CN214959376U

CN214959376U - Large-span steel cable suspension cable high-altitude photovoltaic support

Info

Publication number: CN214959376U
Application number: CN202121419055.8U
Authority: CN
Inventors: 张君彩
Original assignee: Hebei University of Science and Technology
Current assignee: Hebei University of Science and Technology
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-11-30
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a large span steel cable suspension cable high altitude photovoltaic bracket, which comprises a supporting mechanism and a steel cable mechanism; the supporting mechanism comprises end supports which are distributed at two ends of the east and west oppositely, inclined supporting columns which form included angles with the end supports are arranged on the inner sides of the end supports, and cross beams for installing steel cables are horizontally fixed at the upper parts of the end supports; the cable mechanism comprises a plurality of groups of horizontal and equidistant cable groups, each group of cable groups comprises an upper connecting cable and a lower connecting cable, and the planes of the upper connecting cable and the lower connecting cable are inclined to the north, so that the photovoltaic module is arranged on the upper connecting cable and the lower connecting cable towards the south; the supporting mechanism further comprises a plurality of middle supports uniformly distributed between the end supports, each middle support comprises a supporting column which is arranged below each upper connecting steel cable and is provided with a supporting plate, and the upper connecting steel cables are fixed on the supporting plates through clamping hoops. This photovoltaic support can reduce the steel cable sag, improves photovoltaic support's stability.

Description

Large-span steel cable suspension cable high-altitude photovoltaic support

Technical Field

The utility model relates to a solar photovoltaic power generation field especially relates to a big span steel cable span cable high altitude photovoltaic support.

Background

The photovoltaic support is a supporting structure which fixes the solar components in a certain orientation, arrangement mode and interval in order to ensure that the whole photovoltaic power generation system obtains the maximum power output and combines the geography, climate and solar energy resource conditions of a construction site. Along with the continuous expansion of the construction standard of the domestic photovoltaic power station, the constructable land is less and less, and the problem of land occupation difficulty can be solved by utilizing barren hills and slopes, loose water, parking lots and other places to construct the photovoltaic power station. But along with the increase of photovoltaic support span and height, the stability of photovoltaic support reduces, causes the flagging serious and the left and right rocking of steel cable middle part, influences the generating capacity of photovoltaic support.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a can reduce the steel cable sag, improve photovoltaic support stability's a big span steel cable span high altitude photovoltaic support is provided.

In order to solve the technical problem, the utility model discloses the technical scheme who takes is:

a large-span steel cable suspension cable high-altitude photovoltaic support comprises a supporting mechanism and a steel cable mechanism which is fixed with the supporting mechanism and used for mounting a photovoltaic module; the method is characterized in that: the supporting mechanisms are arranged in a rectangular structure and comprise end supports which are oppositely arranged at the east and west ends; the end support comprises a plurality of end stand columns which are vertically arranged at equal intervals, inclined support stand columns which form included angles with the end stand columns are arranged on the inner sides of the end stand columns, inclined pull steel stranded wires are arranged on the outer sides of the end stand columns, and an upper cross beam and a lower cross beam which are parallel to each other are horizontally fixed on the upper portions of the end stand columns; the cable mechanism comprises a plurality of groups of horizontal and equidistant cable groups, each group of cable groups comprises an upper connecting cable and a lower connecting cable, the two ends of the upper connecting cable are fixed on the upper cross beam, the two ends of the lower connecting cable are fixed on the lower cross beam, the vertical distance between the upper connecting cable and the lower connecting cable is smaller than the width of the photovoltaic module, the planes of the upper connecting cable and the lower connecting cable are inclined towards the north, and the photovoltaic module is arranged on the upper connecting cable and the lower connecting cable towards the south; the supporting mechanism also comprises a plurality of middle supports which are uniformly distributed among the end supports and are arranged in parallel with the end supports; well support, including equidistant vertical many center pillars of arranging, two adjacent center pillars are located the below of the last steel cable of connecting that the interval set up respectively, and the upper portion level of many center pillars is fixed with same supporting beam, supporting beam is less than the bottom end rail setting, and the vertical support column that is fixed in on the supporting beam that is equipped with between two adjacent center pillars, the support column is located the below of the last steel cable of connecting that corresponds, the support column flushes and all is equipped with the layer board that sets up along the east-west direction with the last top surface of center pillar, on connect the steel cable and be fixed in on the layer board through the clamp.

The further technical scheme is as follows: still include the angle brace, the angle brace includes constitutes triangular connection sill bar and oblique pole with photovoltaic module's frame, connect the sill bar along north-south direction and connect the perpendicular setting of steel cable down to it is fixed with lower connection steel cable through the cross pipe strap, oblique pole is located between two sets of adjacent steel cable groups, and it is fixed to connect the steel cable under its one end, and the other end is fixed with last connection steel cable.

The further technical scheme is as follows: adjacent between the end stand columns and adjacent between the center stand columns, the cross that all the intervals were equipped with the cross setting draws and connects the support, the cross draws and connects the support and presss from both sides the groove including being the installation that the rectangle arranged on two root end stand columns or two center stand columns, and the installation that the diagonal angle set up presss from both sides the inslot and is fixed with the stiffener through the bolt.

The further technical scheme is as follows: the fixing holes in the four corners of the photovoltaic module frame are connected with a steel cable mechanism through first connecting pieces, the first connecting pieces are of right-angle structures and comprise connecting plates fixed to the photovoltaic module frame in an attaching mode and clamping portions used for fixing steel cables, the clamping portions comprise upper pressing plates and lower pressing plates, the upper pressing plates and the lower pressing plates are in steel cable clamping grooves formed by upper buckling and lower buckling, the lower pressing plates are vertically fixed to the connecting plates, and the upper pressing plates and the lower pressing plates are fixed through locking bolts.

The further technical scheme is as follows: one end of the lower pressing plate is provided with an upper convex part which is upwards convex and arranged at an interval with the connecting plate, the lower pressing plate is provided with a lower convex part corresponding to the upper convex part, and the lower convex part can be arranged in a gap formed between the upper convex part and the connecting plate.

The further technical scheme is as follows: and a fixed sandalwood strip is vertically connected between the upper connecting steel cable and the lower connecting steel cable.

The further technical scheme is as follows: and two ends of the fixed sandal wood strips are arranged between the connecting plate and the frame of the photovoltaic module.

The further technical scheme is as follows: the two ends of the upper connecting steel cable and the lower connecting steel cable are fixed on the outer sides of the end supports through anchors, the anchors comprise two steel cables which are arranged at intervals and enable the steel cables to penetrate through, and compression springs are arranged between the two anchors.

The further technical scheme is as follows: the distance between two adjacent middle supports and between the adjacent middle support and the end support is 12-30 m.

The further technical scheme is as follows: the upper beam and the lower beam are of multi-section structures connected end to end through second connecting pieces, the positions of the second connecting pieces on the upper beam and the lower beam are arranged in a staggered mode, and an end stand column fixed through a hoop is fixed to the position of each second connecting piece.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the inner side of the end upright post of the optical bracket is provided with a herringbone supporting structure, so that the stress of the inclined pull steel strand is reduced, and the stability of the end upright post is improved; the middle support adopts a supporting plate to support the upper layer of the steel cable, so that the steel cable can be prevented from sagging and shaking; and, adopt two steel cables slope setting from top to bottom, the installation of photovoltaic module slope south of being convenient for, photovoltaic module relies on the steel cable, and photovoltaic module installs firmly, and stability improves greatly.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of the portion B of FIG. 1;

fig. 4 is a schematic view of the installation structure of the photovoltaic module according to the present invention;

fig. 5 is a schematic structural view of the first connecting member according to the present invention;

FIG. 6 is a schematic view of the installation structure of the anchor according to the present invention;

fig. 7 is a schematic view of a part of the structure of the end support of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. Based on the embodiments only in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1 to 3, the large-span steel cable suspension high-altitude photovoltaic bracket is suitable for construction in non-open areas such as barren hills, ponds and parking lots. The photovoltaic support comprises a supporting mechanism and a steel cable mechanism which is fixed with the supporting mechanism and used for installing the photovoltaic module 41.

The supporting mechanism is arranged in a rectangular structure, utilizes the relatively stable performance of the rectangular structure and comprises end supports which are relatively distributed at the two ends of an object. The end support comprises a plurality of end upright columns 11 which are vertically arranged at equal intervals, the bottom ends of the end upright columns 11 are fixed with the ground, inclined strut upright columns 14 which are arranged at included angles of 1-15 degrees are arranged on the inner sides of the end upright columns 11, inclined pull steel strands 15 are arranged on the outer sides of the end upright columns 11, upper cross beams 12 and lower cross beams 13 which are parallel to each other are horizontally fixed on the upper portions of the end upright columns 11, and the upper cross beams 12 and the lower cross beams 13 are used for fixing steel cables and are connected with the fixed end upright columns 11.

The steel cable mechanism comprises a plurality of groups of steel cable groups which are horizontally arranged and are arranged at equal intervals, each group of steel cable groups comprises an upper connecting steel cable 21 with two ends fixed on the upper cross beam 12 and a lower connecting steel cable 22 with two ends fixed on the lower cross beam 13, the vertical distance between the upper connecting steel cable 21 and the lower connecting steel cable 22 is smaller than the width of the photovoltaic module 41, the plane of the upper connecting steel cable 21 and the lower connecting steel cable 22 is inclined in the north direction, and therefore the photovoltaic module 41 is installed on the upper connecting steel cable 21 and the lower connecting steel cable 22 towards the south.

In order to further increase the supporting strength of the photovoltaic module, the supporting mechanism further comprises a plurality of middle supports which are uniformly distributed between the end supports and are arranged in parallel with the end supports. The middle support comprises a plurality of middle columns 31 which are vertically arranged at equal intervals, two adjacent middle columns 31 are respectively positioned below upper connecting steel cables 21 which are arranged at intervals, the upper parts of the plurality of middle columns 31 are horizontally fixed with the same supporting beam 32, the supporting beam 32 is lower than the lower beam 13, the arrangement of lower steel cables (namely the plane where the lower connecting steel cables 22 are positioned) is not influenced, supporting columns 33 which are fixed on the supporting beam 32 are vertically arranged between the two adjacent middle columns 31, the supporting columns 33 are positioned below the corresponding upper connecting steel cables 21, the supporting columns 33 are flush with the upper top surfaces of the middle columns 31 and are respectively provided with a supporting plate 34 which is arranged along the east-west direction, the upper connecting steel cables 21 are fixed on the supporting plates 34 through clamping bands, so that the whole steel cables are kept horizontal as much as possible, and the sagging caused by the self gravity of the steel cables and the gravity of photovoltaic modules 41 is reduced.

The inner side of the end upright post 11 of the light bracket is provided with a herringbone supporting structure, so that the stress of the inclined pull steel strand 15 is reduced, the stability of the end upright post is improved, and the wind resistance is strong; the middle support adopts the supporting plate 34 to support the upper layer of the steel cable, so that the steel cable can be prevented from sagging and shaking; and, adopt two steel cables slope setting from top to bottom, the installation of photovoltaic module 41 slope south, photovoltaic module 41 sets up along two steel cable place planes, relies on the steel cable, and photovoltaic module 41 installs firmly, and stability improves greatly. This photovoltaic support adopts steel construction and steel cable organic combination, can realize being 2 ~ 5 meters at the top of end stand 11 apart from ground height, and continuous span reaches 150 meters, and the 11 interval 4 ~ 6 meters of north and south end stand, under the continuous 300 meters's of total width the condition, keep better stability, the steel cable sag is little.

The photovoltaic support further comprises an angle brace, the angle brace comprises a connecting bottom rod 51 and an inclined supporting rod 52 which form a triangle with the frame of the photovoltaic module 41, the connecting bottom rod 51 is perpendicular to the lower connecting steel cable 22 along the north-south direction and is fixed with the lower connecting steel cable 22 through a cross pipe clamp, the inclined supporting rod 52 is arranged between two adjacent steel cable groups, one end of the inclined supporting rod is fixed with the lower connecting steel cable 22, the other end of the inclined supporting rod is fixed with the upper connecting steel cable 21, it needs to be noted that the lower connecting steel cable 22 is adjacent to the upper connecting steel cable 21 and is respectively located in the two steel cable groups, and the inclined supporting rod 52 is fixed with the steel cable through the cross pipe clamp. Because the lower layer steel cable receives photovoltaic module 41's gravity great, adopt and connect sill bar 51 and the cooperation of oblique pole 52, form firm triangle-shaped structure rather than, can prevent rocking of photovoltaic module, on the other hand connects sill bar 5 and fixes the steel cable of bottom for interval between the bottom steel cable can not change, forms an integral structure, has improved the wind resistance intensity of steel cable greatly.

And adjacent between the end stand 11, and adjacent between the center pillar 31, the equal interval is equipped with the cross that the cross set up and draws and connect support 16, the cross draws and connects support 16 including being the installation clamp groove that the rectangle arranged on two end stands 11 or two center pillars 31, and the installation clamp inslot that the diagonal angle set up has the stiffener through the bolt fastening, and mounting structure is more stable.

Wherein the concrete installation form of photovoltaic module 41 and steel cable does, the four corners of the frame of photovoltaic module 41 is connected with steel cable mechanism through first connecting piece 42, first connecting piece 42 is the right angle structure, include with the fixed connecting plate 421 of the frame laminating of photovoltaic module 41 and be used for the clamping part of fixed steel cable, the four corners of the frame of photovoltaic module 41 is equipped with the fixed orifices, and connecting plate 421 and photovoltaic module frame laminating are through wearing to establish the bolt fastening in the fixed orifices, the clamping part includes upper pressure plate 423 and holding down plate 422 that upper and lower lock formed steel cable clamp groove 420, holding down plate 422 and connecting plate 421 vertical fixation, upper pressure plate 423 and holding down plate 422 pass through locking bolt 424 fixedly, and the field erection of being convenient for, and the installation is comparatively firm stable. An upper protrusion 4221 protruding upward and spaced from the connection plate 421 is provided at one end of the lower pressure plate 422, a lower protrusion 4231 corresponding to the upper protrusion 4221 is provided on the lower pressure plate 422, and the lower protrusion 4231 can be placed in a gap formed between the upper protrusion 4221 and the connection plate 421. The positioning and the installation of the upper pressure plate and the lower pressure plate are more stable.

The fixed sandal straps 43 are vertically connected between the upper connecting steel cable 21 and the lower connecting steel cable 22, so that the distance between the upper connecting steel cable and the lower connecting steel cable of each group of steel cable groups can be kept constant, and the steel cable groups are prevented from shaking. And the two ends of the fixed sandal straps 43 are arranged between the connecting plate 421 and the frame of the photovoltaic module 41, the fixed sandal straps 43 and the upper connecting steel cable 21 or the lower connecting steel cable 22 are simultaneously arranged in the steel cable clamp groove 420, and then the locking bolts 424 are locked to fix the upper and lower pressing plates.

The two ends of the upper connecting steel cable 21 and the lower connecting steel cable 22 are fixed on the outer sides of the end supports through anchors 23, the anchors 23 comprise two steel cables which are arranged at intervals and enable the steel cables to penetrate through, and compression springs 24 are arranged between the two anchors 23. The two ends of the steel cable adopt double anchor fixing cable fasteners for one spare use, once the first anchor is out of work due to fatigue, the second anchor (arranged on the outermost side) is protected to play a role in safety, and a compression spring 24 is arranged between the two anchors 23, so that the second anchor can only bear the force of the compression spring 24 without the tension of the steel cable, and the second anchor can be prevented from falling off. The steel cable mechanism adopts a high-strength low-relaxation hot-dip galvanized steel cable, has good corrosion resistance, and can reduce the sag of the steel cable by using a twice stretching method for installation. The first full load tensioning is carried out before installation, and the second 70% load tensioning is carried out after installation, so that the tensile design strength of the support is reduced, and the investment is saved.

Preferably, the distance between two adjacent middle supports and the distance between the adjacent middle support and the end support is 12-30 m.

Also, when the overall width between the photovoltaic cells is large, the upper and

lower beams

12 and 13 take an overlapping form. The entablature 12 and the bottom end rail 13 all are the multistage structure through second connecting piece 17 end to end connection, and entablature 12 and bottom end rail 13 adopt two solitary forms to install, can make the crisscross setting in position of second connecting piece 17 on entablature 12 and the bottom end rail 13, prevent stress concentration, make the crossbeam damage, thereby the position department of every second connecting piece 17 is fixed with the end stand 11 of fixing through the staple bolt and makes the staple bolt fix end stand 11 and entablature 12 and bottom end rail 13 on the one hand, on the other hand plays the effect of further connecting two sections crossbeams. Wherein the connecting structure of the supporting beam 32 is the same as the above-described structure.

The above is only the preferred embodiment of the present invention, and any person can make some simple modifications, deformations and equivalent replacements according to the present invention, all fall into the protection scope of the present invention.

Claims

1. A large-span steel cable suspension cable high-altitude photovoltaic support, comprising a support mechanism and a steel cable mechanism fixed with the support mechanism for installing photovoltaic modules (41);

It is characterized by:

The support mechanism is arranged in a rectangular structure, including end supports relative to the east and west ends of the cloth;

The end support includes a plurality of end columns (11) vertically arranged at equal intervals, the inner side of the end column (11) is provided with a diagonal support column (14) arranged at an angle therewith, and the end column (11) is provided with a diagonal support column (14). The outer side is provided with a cable-stayed steel strand (15), and the upper part of the plurality of end columns (11) is horizontally fixed with the same mutually parallel upper beam (12) and lower beam (13);

A steel cable mechanism, including multiple sets of steel cable groups arranged horizontally and at equal intervals, each group of steel cable groups includes an upper connecting steel cable (21) with both ends fixed on the upper beam (12) and two ends fixed on the lower beam (13) ) on the lower connecting steel cable (22), the vertical distance between the upper connecting steel cable (21) and the lower connecting steel cable (22) is smaller than the width of the photovoltaic module (41), and the upper connecting steel cable (21) The plane where the lower connecting steel cable (22) is located is inclined to the north, and the photovoltaic module (41) is installed on the upper connecting steel cable (21) and the lower connecting steel cable (22) facing south;

The support mechanism also includes a plurality of middle supports evenly distributed between the end supports and arranged in parallel with the end supports;

The middle support includes a plurality of middle columns (31) vertically arranged at equal intervals, two adjacent middle columns (31) are respectively located below the upper connecting steel cables (21) arranged at intervals, and the plurality of middle columns (31) The same support beam (32) is horizontally fixed on the upper part of the upper part of the vertical column, the support beam (32) is set lower than the lower beam (13), and the support beam (32) is vertically fixed between the two adjacent central columns (31). The upper supporting column (33), the supporting column (33) is located below the corresponding upper connecting wire cable (21), the supporting column (33) is flush with the upper top surface of the central column (31) and both There is a support plate (34) arranged in the east-west direction, and the upper connecting steel cable (21) is fixed on the support plate (34) through a clamp.

2. A large-span steel cable suspension cable high-altitude photovoltaic support according to claim 1, characterized in that it further comprises a corner support, and the corner support comprises a connecting bottom rod that forms a triangle with the frame of the photovoltaic module (41) (51) and an oblique resist rod (52), the connecting bottom rod (51) is vertically arranged with the lower connecting wire cable (22) in the north-south direction, and is fixed to the lower connecting wire cable (22) by means of a cross tube clamp, the said The oblique abutment rod (52) is arranged between the adjacent two sets of steel cable groups, one end of which is fixed with the lower connecting steel cable (22), and the other end is fixed with the upper connecting steel cable (21).

3. A large-span steel cable suspension cable high-altitude photovoltaic support according to claim 1, characterized in that: between the adjacent end columns (11) and the adjacent neutral columns (31) There are cross-connecting supports (16) arranged at intervals therebetween, and the cross-connecting supports (16) include installations that are arranged in a rectangular shape on two end columns (11) or two central columns (31). Clamping grooves, and reinforcing rods are fixed by bolts in the installation clamping grooves arranged diagonally.

4. A large-span steel cable suspension cable high-altitude photovoltaic support according to claim 1, characterized in that: the four corners of the frame of the photovoltaic module (41) are connected to the steel cable mechanism through the first connector (42), The first connecting piece (42) is of a right-angle structure, and includes a connecting plate (421) that is fitted and fixed with the frame of the photovoltaic module (41) and a clamping part for fixing the steel cable, the clamping part includes an upper and lower buckle The upper pressing plate (423) and the lower pressing plate (422) are combined to form the cable clamping groove (420). The lower pressing plate (422) is vertically fixed with the connecting plate (421). ) is secured by the locking bolt (424).

5. A large-span steel cable suspension cable high-altitude photovoltaic support according to claim 4, characterized in that: one end of the lower pressing plate (422) is provided with an upwardly protruding and spaced apart from the connecting plate (421). an upper protrusion (4221), the lower pressing plate (422) is provided with a lower protrusion (4231) corresponding to the upper protrusion (4221), and the lower protrusion (4231) can be placed on the upper protrusion (4221) in the gap formed between it and the connecting plate (421).

6. A large-span steel cable suspension cable high-altitude photovoltaic support according to claim 4, characterized in that: a fixed sandalwood is vertically connected between the upper connecting steel cable (21) and the lower connecting steel cable (22). Article (43).

7. The long-span steel cable suspension cable high-altitude photovoltaic support according to claim 6, wherein the two ends of the fixed sandalwood strip (43) are placed on the connecting plate (421) and the photovoltaic module (41) between the borders.

8. A large-span steel cable suspension cable high-altitude photovoltaic support according to claim 1, characterized in that: both ends of the upper connecting steel cable (21) and the lower connecting steel cable (22) pass through anchors (23) is fixed on the outer side of the end support, the anchors (23) include two spaced apart for the steel cables to pass through, and a compression spring (24) is arranged between the two anchors (23).

9 . The long-span steel cable suspension cable high-altitude photovoltaic support according to claim 1 , wherein the distance between the two adjacent middle supports and the adjacent middle supports and end supports is 12-30 . 10 . Meter.

10. A large-span steel cable suspension cable high-altitude photovoltaic support according to claim 1, characterized in that: the upper beam (12) and the lower beam (13) are both end-to-end through the second connecting piece (17). The connected multi-segment structure, the positions of the second connectors (17) on the upper beam (12) and the lower beam (13) are staggered, and the position of each second connector (17) is fixed with a hoop fixed at the position the end column (11).