CN116192001B

CN116192001B - Photovoltaic installation support

Info

Publication number: CN116192001B
Application number: CN202310360821.5A
Authority: CN
Inventors: 朱员家; 肖尚海; 潘传应; 李丕洋; 杨式飞; 王晓勇
Original assignee: Zhejiang Shangou Electric Power Engineering Construction Co ltd
Current assignee: Zhejiang Shangou Electric Power Engineering Construction Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2024-01-19
Anticipated expiration: 2043-04-04
Also published as: CN116192001A

Abstract

The application relates to a photovoltaic mounting bracket, which relates to the technical field of solar energy application and comprises a mounting plate, wherein a support plate for fixing a photovoltaic plate and a support assembly for supporting the support plate are arranged on the upper side of the mounting plate; the supporting assembly comprises a plurality of supporting rods and telescopic pieces, the telescopic pieces comprise fixing parts, telescopic parts and adjusting pieces, the lower end parts of the supporting rods and the lower end parts of the fixing parts are fixedly connected with the mounting plate, the upper end parts of the supporting rods are hinged with the supporting plates, the upper end parts of the telescopic parts are in sliding connection with the bottoms of the supporting plates, and the telescopic pieces with the adjusted lengths are fixed by the adjusting pieces; this application passes through the setting of supporting component, is convenient for accomplish the regulation to backup pad inclination, reduces the required time of regulation backup pad inclination, is convenient for adjust the backup pad, improves backup pad inclination's adjustment efficiency.

Description

Photovoltaic installation support

Technical Field

The application relates to the technical field of solar energy application, in particular to a photovoltaic mounting bracket.

Background

Along with the increasing environmental awareness of people, more and more electric appliances adopt a power supply mode of clean energy, and solar power supply is one of them, and the solar energy is collected and converted into electric energy required by people. Photovoltaic power generation is based on the principle of photovoltaic effect, and solar energy is directly converted into electric energy by using a solar cell. The solar photovoltaic support is a special support designed for placing, installing and fixing solar panels in a solar photovoltaic power generation system

In the related art, the solar panel is generally installed on a roof through a grid-type steel frame structure, and the grid-type steel frame structure is assembled at a certain inclination angle, so that the solar panel can better receive irradiation of sunlight.

Because the region of our country is wide, the illumination angles of different regions are different, when certain users move home, the illumination angles of the regions where new houses are likely to be different from the previous illumination angles, but the angles of the original grid-type steel frames for supporting the solar panels are not easy to adjust, and when the supporting angles of the solar panels are to be adjusted, a special master is required to weld or cut the grid-type supporting frames again, which is time-consuming, labor-consuming and complex.

Disclosure of Invention

The purpose of this application is to provide a photovoltaic installation support, solves above-mentioned grid-type steelframe inconvenient to adjust solar panel's installation angle, the comparatively loaded down with trivial details problem of adjustment process.

The application provides a photovoltaic installation support adopts following technical scheme:

the photovoltaic installation bracket comprises an installation plate, wherein a support plate for fixing a photovoltaic plate and a support assembly for supporting the support plate are arranged on the upper side of the installation plate; the supporting component comprises a plurality of supporting rods and telescopic parts, the telescopic parts comprise fixing parts, telescopic parts and adjusting parts, the lower end parts of the supporting rods and the fixing parts are fixedly connected with a mounting plate, the upper end parts of the supporting rods are hinged to the supporting plates, the upper end parts of the telescopic parts are in sliding connection with the bottoms of the supporting plates, and the telescopic parts after the length adjustment are fixed by the adjusting parts.

Through adopting above-mentioned technical scheme, when need adjusting the support inclination of backup pad, take down the regulating part earlier and release the locking to telescoping portion and fixed part, the relative length of the two of retuning telescoping portion and fixed part, the upper end of in-process telescoping portion has the relative slip of certain position with the bottom side of backup pad, then fix the telescoping member that the length adjustment was accomplished through the regulating part, thereby through the setting of supporting component, accomplish the regulation to backup pad inclination, reduce the required time of regulation backup pad inclination, be convenient for adjust the backup pad, improve backup pad inclination's governing efficiency.

Optionally, the adjusting part is adjusting bolt, be equipped with the through-hole that supplies the adjusting part to run through on the fixed part, a plurality of adjusting hole that supply adjusting bolt male are offered to the telescopic part along self length direction.

Through adopting above-mentioned technical scheme, when needs are adjusted the overall length of extensible member, take out adjusting bolt from through-hole and regulation hole inside earlier, insert the regulation hole inside of corresponding position after the through-hole is run through with it again after adjusting to this accomplish the regulation to extensible member height.

Optionally, be equipped with in the backup pad and supply telescopic part to insert and gliding spout, the upper end of telescopic part can be at the inside relative rotation of spout, the upper end lateral surface of telescopic part is equipped with the fixture block, be equipped with on the inner wall of spout and supply the fixture block to insert and gliding draw-in groove.

Through adopting above-mentioned technical scheme, in the inclination adjustment process of backup pad, the upper end of telescopic portion carries out the slip of certain position in the slip, and through the setting of fixture block and draw-in groove, reduces the possibility that telescopic portion breaks away from the spout, improves the installation stability of telescopic portion in the spout inside.

Optionally, the bottom side of mounting panel is equipped with the rotor plate, the upside of rotor plate is equipped with the fixed axle, the fixed axle male and pivoted fixed orifices have been seted up at the middle part of mounting panel, be equipped with spacing bolt and the screw that supplies spacing bolt screw in on the fixed axle.

By adopting the technical scheme, the mounting plate can be rotated for a certain angle according to the time period of each day, so that solar illumination can be better utilized, and the light energy utilization rate of the mounting plate is improved; when rotating the mounting panel certain angle, the staff application of force rotates the mounting panel around the axis direction of fixed axle, through limit bolt's installation setting, avoids the mounting panel to separate with the rotor plate in the rotation in-process, improves the stability of assembling between mounting panel and the rotor plate.

Optionally, the upside of mounting panel is equipped with a plurality of locking pins, be equipped with the locking hole on the mounting panel, set up a plurality of locking grooves around the axis evenly distributed of fixed axle on the rotor plate, the locking pin is embedded into corresponding locking inslot after running through the locking hole.

Through adopting above-mentioned technical scheme, because the strong wind weather can often appear in certain region, through the setting of locking pin, locking hole and locking groove, before rotating the relative pivoted board of mounting panel, need take out the locking pin and just can rotate its regulation to this directly blows the relative pivoted board of mounting panel when avoiding strong wind weather and rotates, improves the stability of assembling between mounting panel and the pivoted board.

Optionally, the lateral surface of fixed orifices is equipped with the joint spare, the joint spare includes pressure spring and arc lug, offered on the outer peripheral face of fixed axle and supplied pressure spring and arc lug male standing groove, evenly offered on the inner wall of fixed orifices and supplied arc lug male a plurality of arc recesses.

Through adopting above-mentioned technical scheme, at mounting panel rotation in-process, through the cooperation setting of pressure spring and arc lug, the pressure spring extrusion arc lug that is in compression state makes it insert the arc recess inside of corresponding position to this forms the block sense of rotation in-process, and the staff of being convenient for judges mounting panel pivoted angle.

Optionally, the side of mounting panel is equipped with fixed subassembly, fixed subassembly includes a plurality of dead levers, fixed cover and fixed block, the both ends of dead lever respectively with fixed cover and fixed block are articulated, a plurality of fixed cover locates the outer peripheral face of fixed part and bracing piece, set up on the rotor plate and supply fixed block to insert and pivoted annular caulking groove.

Through adopting above-mentioned technical scheme, when this district wind-force is great, through the setting of fixed subassembly, install the fixed cover at the outer peripheral face of fixed part and bracing piece, insert the annular caulking groove on the rotor plate inside with fixing bolt simultaneously, accomplish the support of fixed subassembly to supporting component, improve the wind-proof anti-toppling performance of photovoltaic installation support, improve the installation stability of this installing support.

Optionally, the side of fixed block is equipped with the locating part, the locating part includes spacing lug and spacing spring, set up on the fixed block and supply spacing lug and spacing spring to place into the groove, set up on the inner wall of annular caulking groove and supply spacing lug male spacing annular.

Through adopting above-mentioned technical scheme, when the fixed block is installed in annular caulking groove inside, the spacing lug of spacing spring extrusion that is in compression state makes spacing lug insert the inside of spacing annular to this improves the installation stability of fixed block in annular caulking groove inside.

Optionally, an elastic protruding strip is arranged on the inner wall of the fixing sleeve, and annular slots for inserting and sliding the elastic protruding strip are arranged on the outer circumferential surfaces of the fixing part and the supporting rod.

Through adopting above-mentioned technical scheme, in the installation of fixed cover, through the cooperation setting of elasticity sand grip and corresponding annular slot, after the fixed cover installation is accomplished, the elasticity sand grip on the fixed cover inner wall inserts annular slot inside and can slide relatively to this reduces the fixed cover and appears the possibility of relative movement in fixed part or bracing piece length direction, improves the installation stability of fixed cover.

Optionally, positioning holes are formed in the fixing block, positioning grooves are formed in the outer peripheral surfaces of the fixing part and the supporting rod, and fixing bolts are arranged on the side surfaces of the fixing block; and taking out the fixed block from the annular caulking groove, rotating the fixed sleeve until the fixed block is abutted against the peripheral surface of the adjacent fixed part or the supporting rod, overlapping the positioning groove with the positioning hole, and screwing the fixed bolt into the positioning groove after penetrating the positioning hole.

By adopting the technical scheme, under the condition that the wind power in the area is weak, the support component is not required to be additionally fixed by the fixing component; at this time, the fixing block can be pulled out from the annular caulking groove, the fixing sleeve is rotated by a certain angle until the fixing block connected with the fixing rod is abutted with the peripheral surface of the adjacent fixing part or supporting rod, the positioning groove coincides with the positioning hole, and the fixing bolt penetrates through the positioning hole and then is inserted into the corresponding positioning groove, so that the installation stability between the fixing part and the supporting rod is improved through the fixing component.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the supporting component, the adjustment of the inclination angle of the supporting plate is convenient to complete, the time required for adjusting the inclination angle of the supporting plate is reduced, and the adjustment efficiency of the inclination angle of the supporting plate is improved; through the setting of rolling plate, can be according to the time quantum of every day, rotate certain angle with the mounting panel, the solar light that utilizes that can be better improves its light energy utilization.

2. Through the arrangement of the fixing component, when the wind power in the area is large, the fixing sleeve is arranged on the outer peripheral surfaces of the fixing part and the supporting rod, and meanwhile, the fixing bolt is inserted into the annular caulking groove on the rotating plate, so that the support of the fixing component to the supporting component is completed, the wind-proof and anti-toppling performance of the photovoltaic mounting bracket is improved, and the mounting stability of the mounting bracket is improved; under the condition that the wind force in the area is not particularly large, the fixing block can be pulled out from the annular caulking groove, the fixing sleeve is rotated by a certain angle until the fixing block connected with the fixing rod is abutted with the peripheral surface of the adjacent fixing part or the supporting rod, the positioning groove is overlapped with the positioning hole, and the fixing bolt penetrates through the positioning hole and then is inserted into the corresponding positioning groove, so that the structural strength between the fixing part and the supporting rod is improved through the fixing assembly.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present application;

FIG. 2 is a schematic diagram of an exploded construction of example 1 of the present application;

FIG. 3 is a schematic view of a partial cross-sectional structure of a support assembly embodying embodiment 1 of the present application;

fig. 4 is a schematic view of a partial cross-sectional structure of embodiment 1 of the present application showing the engagement of the latch and the latch groove;

FIG. 5 is a schematic view of a partial cross-sectional structure of embodiment 1 of the present application showing the engagement of a mounting plate with a rotating plate;

FIG. 6 is an enlarged schematic view of portion A of FIG. 5;

FIG. 7 is a schematic view showing the structure of a fixing assembly according to embodiment 1 of the present application;

FIG. 8 is a schematic view of a partial cross-sectional structure embodying a securing assembly according to embodiment 1 of the present application;

FIG. 9 is an enlarged schematic view of portion B of FIG. 8;

FIG. 10 is an enlarged schematic view of portion C of FIG. 8;

FIG. 11 is a schematic view showing the overall structure of embodiment 2 of the present application;

FIG. 12 is a schematic view of a partial cross-sectional structure embodying a securing assembly according to embodiment 2 of the present application;

fig. 13 is an enlarged schematic view of a portion D in fig. 12.

In the figure, 1, a mounting plate; 11. a fixing hole; 111. an arc-shaped groove; 12. a limit bolt; 13. a locking pin; 14. a locking hole; 2. a support plate; 21. a chute; 211. a clamping groove; 3. a support assembly; 31. a support rod; 32. a fixing part; 321. a through hole; 322. an annular slot; 323. a positioning groove; 33. a telescopic part; 331. an adjustment aperture; 332. a clamping block; 34. an adjusting member; 341. an adjusting bolt; 4. a rotating plate; 41. a fixed shaft; 411. a placement groove; 42. a fixing plate; 421. a mounting hole; 43. a locking groove; 44. a clamping piece; 441. a pressure spring; 442. arc-shaped protruding blocks; 45. an annular caulking groove; 451. a limit ring groove; 5. a fixing assembly; 51. a fixed rod; 52. a fixed sleeve; 521. an elastic protruding strip; 53. a fixed block; 531. placing in a groove; 532. positioning holes; 54. a limiting piece; 541. a limit bump; 542. a limit spring; 55. and (5) fixing bolts.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Example 1:

referring to fig. 1, a photovoltaic mounting bracket includes a mounting plate 1, and a support plate 2 for fixing a photovoltaic panel and a support assembly 3 for supporting the support plate 2 are provided on an upper side of the mounting plate 1.

Referring to fig. 2 and 3, the support assembly 3 includes two support rods 31 and two telescopic members, wherein the telescopic members include a fixing portion 32, a telescopic portion 33 and an adjusting member 34, the telescopic portion 33 is inserted into the fixing portion 32 along the length direction of the fixing portion 32, the adjusting member 34 is an adjusting bolt 341, a through hole 321 through which the adjusting member 34 passes is formed in the fixing portion 32, and a plurality of adjusting holes 331 through which the adjusting bolt 341 is inserted are formed in the telescopic portion 33 along the length direction of the telescopic portion 33.

Referring to fig. 3 and 4, the lower ends of the supporting rod 31 and the fixing portion 32 are welded and fixed to the upper side of the mounting plate 1, the upper end of the supporting rod 31 is hinged to the bottom side of the supporting plate 2, a chute 21 into which the telescopic portion 33 is inserted and slides is formed in the supporting plate 2, and the upper end of the telescopic portion 33 is rounded, so that the upper end of the telescopic portion 33 can relatively rotate in the chute 21, a clamping block 332 is arranged on the outer side surface of the upper end of the telescopic portion 33, a clamping groove 211 into which the clamping block 332 is inserted and slides is formed in the inner wall of the chute 21, and the upper end of the telescopic portion 33 is prevented from falling out of the chute 21 by the arrangement of the clamping block 332 and the clamping groove 211; when the user adjusts the telescopic member, the upper end portion of the telescopic portion 33 is displaced in the sliding and rotated by a certain angle, and finally the telescopic member with the adjusted length is fixed by the adjusting bolt 341.

Referring to fig. 5, a rotating plate 4 is disposed at the bottom of a mounting plate 1, a fixing shaft 41 is disposed at the upper side of the rotating plate 4, a fixing hole 11 into which the fixing shaft 41 is inserted and rotates is formed in the middle of the mounting plate 1, a gap exists between the outer side of the fixing shaft 41 and the inner side wall of the fixing hole 11, and a limit bolt 12 and a screw hole into which the limit bolt 12 is screwed are formed in the fixing shaft 41, so that the mounting plate 1 and the rotating plate 4 are relatively fixed, and the mounting plate 1 can rotate relative to the rotating plate 4.

Referring to fig. 7, fixing plates 42 are provided at four corners of the rotating plate 4, mounting holes 421 are provided in the fixing plates 42, and the fixing plates 42 can be quickly fixed on a roof or other surface to be fixed by bolts.

Referring to fig. 2 and 5, two locking pins 13 are provided on the upper side of the mounting plate 1, two locking holes 14 through which the locking pins 13 pass are provided on the mounting plate 1, eight locking grooves 43 uniformly distributed around the axis of the fixed shaft 41 are provided on the rotating plate 4, and the locking pins 13 are inserted into the corresponding locking grooves 43 after passing through the locking holes 14; before the mounting plate 1 rotates relative to the rotating plate 4, the locking pin 13 needs to be taken out, so that the mounting plate 1 is directly blown to rotate relative to the rotating plate 4 in windy weather is avoided, and the assembly stability between the mounting plate 1 and the rotating plate 4 is improved.

Referring to fig. 5 and 6, the outer side surface of the fixing hole 11 is provided with a clamping piece 44, wherein the clamping piece 44 comprises a compression spring 441 and an arc-shaped protruding block 442, a placing slot 411 into which the compression spring 441 and the arc-shaped protruding block 442 are placed is formed in the outer circumferential surface of the fixing shaft 41, two ends of the compression spring 441 are fixedly connected with the inner wall of the placing slot 411 and the side surface of the arc-shaped protruding block 442 respectively, a part of the arc-shaped protruding block 442 protrudes out of the outer side surface of the placing slot 411, eight arc-shaped grooves 111 into which the arc-shaped protruding block 442 is inserted are uniformly formed in the inner wall of the fixing hole 11, and the arc surface of the arc-shaped protruding block 442 is a minor arc and can be inserted into or separated from the arc-shaped grooves 111. In the rotation process of the mounting plate 1, the compressed pressure spring 441 extrudes the arc-shaped protruding block 442 to be inserted into the arc-shaped grooves 111 at different positions, so that the clamping sense in the rotation process is formed, and the operator can conveniently judge the rotation angle of the mounting plate 1.

Referring to fig. 7 and 8, the side of the mounting plate 1 is provided with a fixing assembly 5, the fixing assembly 5 includes four fixing rods 51, fixing sleeves 52 and fixing blocks 53, wherein both ends of the fixing rods 51 are respectively hinged with the fixing sleeves 52 and the fixing blocks 53, each fixing sleeve 52 is mounted on the outer circumferential surfaces of the fixing portion 32 and the supporting rod 31, and the rotating plate 4 is provided with an annular caulking groove 45 for inserting and rotating the fixing blocks 53; the outer side surface of each fixing portion 32 or the supporting rod 31 is provided with a corresponding fixing component 5, so that the supporting stability of the supporting component 3 is enhanced. The fixing sleeve 52 is divided into a left part and a right part, wherein one side edge of the left part and the right part is hinged, and the other side is fixedly connected through a bolt.

Referring to fig. 8 and 9, an elastic protrusion 521 is provided on the inner surface of the fixing sleeve 52, an annular slot 322 into which the elastic protrusion 521 is inserted and rotates is provided on the outer circumferential surfaces of the fixing portion 32 and the support rod 31, and the assembling stability of the fixing sleeve 52 is improved by the cooperation between the elastic protrusion 521 and the annular slot 322.

Referring to fig. 8 and 10, a limiting piece 54 is provided on a side surface of the fixed block 53, wherein the limiting piece 54 includes a limiting projection 541 and a limiting spring 542, an insertion groove 531 for placing the limiting projection 541 and the limiting spring 542 is provided on the fixed block 53, and a limiting ring groove 451 for inserting the limiting projection 541 is provided on an inner wall of the annular caulking groove 45; during rotation of the mounting plate 1, the fixing block 53 rotates synchronously inside the annular caulking groove 45, thereby improving the mounting stability of the fixing block 53 inside the annular caulking groove 45.

The implementation principle of the embodiment of the application is as follows:

in the installation process of the photovoltaic installation support, the fixing plate 42 is firstly and rapidly fixed on a roof or other surfaces to be fixed through bolts, then the installation plate 1 is installed on the upper side surface of the rotating plate 4, the rotation connection of the installation plate 1 and the rotating plate 4 is realized, the support plate 2 is installed on the upper end parts of the support rods 31 and the telescopic parts 33, the fixing sleeve 52 is finally installed on the outer peripheral surfaces of the fixing parts 32 and the support rods 31, and meanwhile the fixing block 53 is inserted into the annular caulking groove 45 on the rotating plate 4, so that the support of the support assembly 3 is completed, and when wind power in the area is large, the wind-proof and anti-toppling performance of the installation support is improved through the arrangement of the fixing assembly 5, and the installation stability of the installation support is improved.

When the support inclination angle of the support plate 2 needs to be adjusted, the relative lengths of the telescopic part 33 and the fixing part 32 are adjusted, in the process, the upper end part of the telescopic part 33 is shifted in the sliding groove 21 and rotated by a certain angle, and then the telescopic part with the adjusted length is fixed through the adjusting bolt 341.

When the mounting bracket is rotated for a certain angle, the locking pin 13 is firstly taken out from the corresponding locking hole 14 and locking groove 43, then the mounting bracket is rotated, and in the rotation process of the mounting plate 1, the compressed pressure spring 441 extrudes the arc-shaped protruding block 442 to be inserted into the arc-shaped groove 111 at the corresponding position, so that the locking sense is provided, and the operator can conveniently judge the rotation angle of the mounting plate 1; meanwhile, during the rotation, the fixed block 53 rotates synchronously inside the annular caulking groove 45, and after the rotation is completed, the locking pin 13 is inserted again inside the locking hole 14 and the locking groove 43 at the corresponding positions.

Example 2:

referring to fig. 11, 12 and 13, the embodiment of the present application is different from embodiment 1 in that a positioning hole 532 is formed on the fixing block 53, positioning grooves 323 are formed on the outer circumferential surfaces of the fixing portion 32 and the supporting rod 31, the inner wall of the positioning groove 323 is threaded, and a fixing bolt 55 is disposed on the outer side surface of each fixing block 53; the fixed block 53 is pulled out from the annular caulking groove 45, and the fixed sleeve 52 is rotated by a certain angle until the fixed block 53 connected with the fixed rod 51 is abutted against the adjacent fixed part 32 or the outer peripheral surface of the supporting rod 31, at this time, the positioning groove 323 is overlapped with the positioning hole 532, and the fixed bolt 55 is screwed into the corresponding positioning groove 323 after penetrating through the positioning hole 532; when the wind force is not particularly large, the structural strength and the installation stability between the fixing portion 32 and the support bar 31 are thereby improved by the fixing assembly 5, and the wind-proof performance thereof is improved.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The photovoltaic installation bracket comprises an installation plate (1), wherein a support plate (2) for fixing a photovoltaic plate and a support assembly (3) for supporting the support plate (2) are arranged on the upper side of the installation plate (1); the telescopic support device is characterized in that the support assembly (3) comprises a plurality of support rods (31) and telescopic pieces, each telescopic piece comprises a fixing part (32), a telescopic part (33) and an adjusting piece (34), the lower ends of the support rods (31) and the fixing parts (32) are fixedly connected with the mounting plate (1), the upper ends of the support rods (31) are hinged with the support plates (2), the upper ends of the telescopic parts (33) are in sliding connection with the bottom of the support plates (2), and the adjusting pieces (34) are used for fixing the telescopic pieces with the adjusted lengths; the bottom side of the mounting plate (1) is provided with a rotating plate (4), the upper side surface of the rotating plate (4) is provided with a fixed shaft (41), the middle part of the mounting plate (1) is provided with a fixed hole (11) for the fixed shaft (41) to be inserted and rotate, and the fixed shaft (41) is provided with a limit bolt (12) and a screw hole for the limit bolt (12) to be screwed in;

the side of the mounting plate (1) is provided with a fixing assembly (5), the fixing assembly (5) comprises a plurality of fixing rods (51), fixing sleeves (52) and fixing blocks (53), two ends of each fixing rod (51) are respectively hinged with the corresponding fixing sleeve (52) and each fixing block (53), the fixing sleeves (52) are arranged on the outer peripheral surfaces of the fixing parts (32) and the supporting rods (31), and annular caulking grooves (45) for the corresponding fixing blocks (53) to be inserted and rotated are formed in the rotating plate (4); the side of the fixed block (53) is provided with a limiting piece (54), the limiting piece (54) comprises a limiting lug (541) and a limiting spring (542), the fixed block (53) is provided with an imbedding groove (531) for arranging the limiting lug (541) and the limiting spring (542), and the inner wall of the annular caulking groove (45) is provided with a limiting ring groove (451) for inserting the limiting lug (541); elastic raised strips (521) are arranged on the inner wall of the fixed sleeve (52), and annular slots (322) into which the elastic raised strips (521) are inserted and slide are arranged on the outer peripheral surfaces of the fixed part (32) and the supporting rod (31);

a positioning hole (532) is formed in the fixed block (53), a fixing bolt (55) is arranged on the side surface of the fixed block (53), and positioning grooves (323) for screwing in the fixing bolt are formed in the outer peripheral surfaces of the fixed part (32) and the supporting rod (31); and taking out the fixed block (53) from the annular caulking groove (45), rotating the fixed sleeve (52) until the fixed block (53) is abutted against the peripheral surface of the adjacent fixed part (32) or the supporting rod (31), overlapping the positioning groove (323) with the positioning hole (532), and screwing the fixed bolt (55) into the positioning groove (323) after penetrating the positioning hole (532).

2. The photovoltaic installation bracket according to claim 1, wherein the adjusting member (34) is an adjusting bolt (341), a through hole (321) through which the adjusting member (34) passes is formed in the fixing portion (32), and a plurality of adjusting holes (331) through which the adjusting bolt (341) is inserted are formed in the telescopic portion (33) along the length direction of the telescopic portion.

3. The photovoltaic installation bracket according to claim 1, wherein the supporting plate (2) is provided with a chute (21) into which the telescopic part (33) is inserted and slides, the upper end part of the telescopic part (33) can relatively rotate inside the chute (21), the outer side surface of the upper end part of the telescopic part (33) is provided with a clamping block (332), and the inner wall of the chute (21) is provided with a clamping groove (211) into which the clamping block (332) is inserted and slides.

4. The photovoltaic installation bracket according to claim 1, wherein a plurality of locking pins (13) are arranged on the upper side of the installation plate (1), locking holes (14) are formed in the installation plate (1), a plurality of locking grooves (43) uniformly distributed around the axis of the fixed shaft (41) are formed in the rotating plate (4), and the locking pins (13) penetrate through the locking holes (14) and then are embedded into the locking grooves (43).

5. The photovoltaic mounting bracket according to claim 1, wherein the outer side surface of the fixing hole (11) is provided with a clamping piece (44), the clamping piece (44) comprises a pressure spring (441) and an arc-shaped protruding block (442), a placing groove (411) for inserting the pressure spring (441) and the arc-shaped protruding block (442) is formed in the outer peripheral surface of the fixing shaft (41), and a plurality of arc-shaped grooves (111) for inserting the arc-shaped protruding block (442) are uniformly formed in the inner wall of the fixing hole (11).