CN114785251A

CN114785251A - Can prevent wind husky solar photovoltaic fixed bolster

Info

Publication number: CN114785251A
Application number: CN202210362237.9A
Authority: CN
Inventors: 刘贵云
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-07-22

Abstract

The invention discloses a wind and sand prevention solar photovoltaic fixing support, and belongs to the technical field of solar photovoltaic modules. A solar photovoltaic fixed support capable of preventing wind and sand comprises a frame provided with a photovoltaic panel, wherein a telescopic rod is slidably arranged at the top of a first supporting rod, a first hinge seat is slidably arranged at the bottom of the frame, and the telescopic rod is rotatably connected with the first hinge seat; the bottom of the frame is fixedly connected with a second hinge seat, and the top of the second support rod is rotatably connected with the second hinge seat; one end of the photovoltaic panel is rotatably arranged on the second supporting rod, the other end of the photovoltaic panel is slidably arranged on the first supporting rod, and the box body is slidably arranged on the rod body.

Description

Can prevent wind husky solar photovoltaic fixed bolster

Technical Field

The invention relates to the technical field of solar photovoltaic components, in particular to a wind and sand prevention solar photovoltaic fixing support.

Background

The core of the photovoltaic facility is a solar panel, and as the application of renewable energy sources is actively promoted in all countries in recent years, the development of the photovoltaic industry is very rapid, and particularly in plateau areas, the air is thin, the sunshine time is sufficient, no human interference exists, and the photovoltaic system is further installed in a large area.

Among the prior art, the installation to the photovoltaic board is mostly that the direct steel construction that uses carries out the tilting fixed towards the sun, though better power generation effect has been obtained, nevertheless fixed effect is not good enough, especially in the plateau district, wind-force is powerful, the photovoltaic board of slope is blown very easily and is turned over, even can all be taken together with the steel construction of installation and electrical storage equipment together with, cause huge destruction, and because the plateau district wind-sand is great, lead to piling up the dust on the photovoltaic board very easily, seriously reduce the generating efficiency, the plateau belongs to little rain few water environment again, it is difficult to carry out effectual cleanness to the photovoltaic board, lead to its life lower. Therefore, the solar photovoltaic fixing support capable of preventing wind and sand is provided while safe and efficient power generation is guaranteed.

Disclosure of Invention

The invention aims to solve the defects that in the prior art, a support is poor in fixing effect and does not have a dust and sand prevention function.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a can prevent wind husky solar photovoltaic fixed bolster, includes the frame that is provided with the photovoltaic board, still includes: the top of the first supporting rod is provided with a telescopic rod in a sliding mode, the bottom of the frame is provided with a first hinge seat in a sliding mode, and one end, far away from the first supporting rod, of the telescopic rod is connected with the first hinge seat in a rotating mode; the bottom of the frame is fixedly connected with a second hinge seat, and the top of the second support rod is rotatably connected with the second hinge seat; and one end of the rod body is rotatably arranged on the second supporting rod, the other end of the rod body is slidably arranged on the first supporting rod, a box body is slidably arranged on the rod body, and when the rod body rotates, the box body is close to or far away from the second supporting rod.

In order to enable wind to better sweep the surface of the photovoltaic panel, the photovoltaic panel preferably further comprises a pipeline rotatably arranged in the frame, a sweeping hole is formed in the outer wall of the pipeline, the sweeping hole is matched with the photovoltaic panel, an air inlet hole is formed in one end of the pipeline, a through hole is formed in one end of the frame, and when the pipeline rotates, the air inlet hole is communicated with or separated from the through hole.

In order to effectively protect the pipeline and prevent blockage, the first hinge seat further comprises: the sliding block is arranged in the sliding groove in a sliding manner, driving lines are arranged on the sliding block, and a driving groove meshed with the driving lines is formed in the pipeline; the first rotating block is fixedly arranged on the sliding block, a first rotating seat is arranged at one end, far away from the first supporting rod, of the telescopic rod, and the first rotating block is rotatably arranged on the first rotating seat.

Furthermore, the frame is provided with a positioning groove, the positioning groove is communicated with the sliding groove, and the pipeline is rotatably arranged in the positioning groove.

In order to improve the blowing surface of the photovoltaic panel, furthermore, a plurality of groups of blowing holes are arranged, and the plurality of groups of blowing holes are uniformly distributed on the outer wall of the pipeline.

In order to improve the stability of the support, preferably, a cavity is formed in the first supporting rod, the telescopic rod is arranged in the cavity in a sliding mode, a motor is arranged in the telescopic rod, a lead screw is arranged at the output end of the motor, and the lead screw penetrates through the cavity and extends to the bottom.

Furthermore, one end of the rod body is provided with a second rotating block, the side wall of the second supporting rod is provided with a second rotating seat, a positioning shaft is fixedly arranged on the second rotating seat, and the second rotating block is rotatably arranged on the positioning shaft.

In order to make the bearing capacity of support stronger, further, the other end of the body of rod is connected with the stopper through the elastic component, the stopper slides and sets up in the cavity, the spacing groove has been seted up on the bracing piece one, the elastic component sets up at the spacing inslot.

For better balancing the integral bracket, the integral bracket preferably further comprises: the guide block is fixedly arranged at the bottom of the box body, a guide groove is formed in the rod body, the guide block is arranged in the guide groove in a sliding mode, a reel is arranged on the positioning shaft, and one end of the guide block is connected with the reel through a rope; and the two ends of the spring are respectively connected with the guide block and the guide groove.

Preferably, the top of the second supporting rod is provided with a third rotating seat, and the second hinge seat is rotatably arranged on the third rotating seat.

Compared with the prior art, the invention provides a wind and sand prevention solar photovoltaic fixing support which has the following beneficial effects:

1. according to the wind-sand-proof solar photovoltaic fixing support, the box body which plays a role of balance weight can approach the support rod II until the support rod II reaches the middle part of the rod body, so that the positions of the support rod I and the support rod II which are connected with the ground are ensured to be subjected to equal pulling force as far as possible when wind power is strong, and the photovoltaic panel is prevented from turning on one side;

2. according to the wind and sand prevention solar photovoltaic fixing support, the box body for weight distribution is transferred to a high end, so that normal weak wind can be responded, the connection strength of the first supporting rod is enhanced, and the service life of the whole support is prolonged;

3. the solar photovoltaic fixing support capable of preventing wind and sand is communicated with the through hole through the air inlet hole, so that wind blown from the high end side is effectively received and guided into the pipeline, the photovoltaic panel is blown in the side direction, the photovoltaic panel can be comprehensively cleaned by matching with the natural direction of wind power, and in addition, the end part of the through hole is provided with a conical hole, a dust screen can be arranged in the conical hole, the through hole can be prevented from being blocked while more wind can be captured, and the blowing effect is further improved;

4. according to the solar photovoltaic fixing support capable of preventing wind and sand, in the process that the photovoltaic panel tends to be horizontal, the screw rod can further go deep into the ground, the connection firmness of the first support rod and the ground is enhanced, and the photovoltaic panel is further prevented from being blown over;

5. according to the wind and sand prevention solar photovoltaic fixing support, the rod body is inclined to form a triangle with the ground and the second support rod, so that the stability of the whole support is further improved, the gust wind can be effectively resisted, and the use safety of a photovoltaic panel is protected;

6. this can prevent wind husky solar photovoltaic fixed bolster is drawn closely to bracing piece two through the box on with the guide block to make the spring energy storage, the box can remove to body of rod middle part gradually, when dealing with gusty wind husky weather, can effectively guarantee the stability of monolith support, after the anti-wind, the body of rod kick-backs under the effect of elastic component and spring, and the spring also pulls back the box simultaneously and resets, guarantees normal work.

The parts which are not related in the device are the same as or can be realized by the prior art, the inclined photovoltaic panel is folded to be in a horizontal state, the photovoltaic panel is effectively prevented from being blown and turned over, meanwhile, the damage of sand stones to the photovoltaic panel is reduced, the service life of the photovoltaic panel is prolonged, and after the photovoltaic panel falls down, the box body for matching use can also be transferred to the central part of the integral support, the four groups of support rods connected with the ground are ensured to be stressed uniformly, the ground grabbing force is improved, the integral support is prevented from overturning, the power storage equipment for power generation is protected, in addition, after the photovoltaic panel is flatly placed, the wind power can be effectively received and blown by the guide surface at the bottom end, the surface of the photovoltaic panel is quickly and efficiently cleaned, and the power generation effect during later rising is ensured.

Drawings

Fig. 1 is a first structural schematic diagram of a solar photovoltaic fixing bracket capable of preventing wind and sand according to the present invention;

fig. 2 is a structural schematic diagram of a solar photovoltaic fixing bracket capable of preventing wind and sand according to the invention;

fig. 3 is a schematic structural diagram of a solar photovoltaic fixing bracket frame capable of preventing wind and sand according to the present invention;

fig. 4 is a schematic structural view of a portion B in fig. 3 of a solar photovoltaic fixing bracket capable of preventing wind and sand according to the present invention;

fig. 5 is a schematic structural view of a first hinge seat of a wind and sand resistant solar photovoltaic fixing bracket according to the present invention;

fig. 6 is a schematic structural view of a portion a in fig. 2 of a solar photovoltaic fixing bracket capable of preventing wind and sand according to the present invention;

fig. 7 is a schematic structural diagram of a solar photovoltaic fixing bracket capable of preventing wind and sand according to the second embodiment of the invention.

In the figure: 1. a frame; 101. positioning a groove; 1011. a through hole; 1012. a tapered hole; 102. a flow guide surface; 103. a chute; 2. a photovoltaic panel; 3. a first supporting rod; 301. a cavity; 302. a telescopic rod; 303. rotating the first base; 4. a motor; 401. a lead screw; 5. a second supporting rod; 501. a second rotating seat; 502. positioning the shaft; 503. a reel; 504. a third rotating seat; 6. a rod body; 601. a guide groove; 602. a rope; 603. an elastic member; 604. a limiting block; 7. a box body; 701. a guide block; 702. a spring; 8. a slider; 801. a drive stripe; 802. rotating the first block; 9. a pipeline; 901. an air inlet hole; 902. and (4) blowing the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be 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 only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 and 2, a can prevent wind husky solar photovoltaic fixed bolster, including the frame 1 that is provided with photovoltaic board 2, frame 1 has four steel construction welding to assemble the shaping, and photovoltaic board 2 can use the fix with screw in the interior sky that the steel construction concatenation formed, still includes: the cross section of the first supporting rod 3 is a rectangular supporting rod, wherein a telescopic rod 302 with a rectangular cross section is arranged at the top of the first supporting rod 3 in a sliding mode, a first hinged seat is arranged at the bottom of the high-end part of the frame 1 in a sliding mode, one end, far away from the first supporting rod 3, of the telescopic rod 302 is connected with the first hinged seat in a rotating mode, when the telescopic rod 302 slides up and down in the first supporting rod 3, the photovoltaic panel 2 can be effectively driven to lift up or fall down, the up and down sliding of the telescopic rod 302 can be manually adjusted, for example, a locking screw is arranged on one side of the first supporting rod 3, when the telescopic rod 302 slides to a specified position, the locking screw is screwed so that the telescopic rod 302 is fixed, and the telescopic adjustment can also be carried out in a mode of an electric screw rod, and in specific situations, the selection can be carried out according to engineering budget and installation requirements; similarly, the transverse base surface of the support rod II 5 is rectangular, wherein the bottom of the bottom end of the frame 1 is fixedly connected with a hinge seat II, the top of the support rod II 5 is provided with a rotating seat III 504, and the hinge seat II is rotatably arranged on the rotating seat III 504, so that when the high end of the photovoltaic panel 2 slides, the low end of the photovoltaic panel can freely rotate, and the connection reliability is ensured; the rod body 6 is also a rod body 6 with a rectangular cross section, one end of the rod body is rotatably arranged on the second support rod 5, the other end of the rod body is slidably arranged on the first support rod 3, a box body 7 is slidably arranged on the rod body 6, the box body 7 is mainly used as a weight box, a storage battery or a control circuit board can be arranged in the box body 7, the control circuit board is mainly used for controlling the starting and stopping of the motor 4, the storage battery can be used for storing partial electric energy of the photovoltaic panel 2 for supplying power to the motor 4, the whole box body 7 is mainly arranged on the rod body 6 for stabilizing the gravity center of the whole support, in addition, in the process of up-and-down sliding of the telescopic rod 302, one end of the rod body 6 at the first support rod 3 can be pushed to move downwards, namely, in the process of downward sliding of the telescopic rod 302, when the rod body 6 is pushed to rotate clockwise, the box body 7 with the weight function can approach the second support rod 5 until the middle part of the rod body 6, and the wind force is ensured to be strong, the first supporting rod 3 and the second supporting rod 5 are connected with the ground and are pulled equally as far as possible to prevent the photovoltaic panel 2 from turning on one side; and when 6 anticlockwise rotations of the body of rod, box 7 can keep away from to two 5 bracing pieces, like this when the slope appears in photovoltaic board 2, box 7 that the counter weight was used can be to high-end transfer, deals with weak wind at ordinary times, and the joint strength of reinforcing bracing piece 3 promotes the life of monolith support.

The anchor feet at the bottoms of the four groups of supporting rods are fixed on the ground by using expansion bolts and the like, the photovoltaic panel 2 is lifted and inclined by the expansion rods 302 to receive the irradiation of sunlight and stably generate power, in addition, the inclined photovoltaic panel 2 is timely retracted to be in a horizontal state by adjusting the height of the high end of the photovoltaic panel 2 under the condition that the photovoltaic panel 2 possibly topples or the whole support is damaged in the sand and dust weather of strong wind or strong wind, the damage of sand and stones to the photovoltaic panel 2 is effectively prevented while the photovoltaic panel 2 is blown over, the service life of the photovoltaic panel 2 is prolonged, and after the photovoltaic panel 2 falls down, the box body 7 for the counter weight is also transferred to the central part of the whole support, so that the four groups of supporting rods connected with the ground are ensured to be stressed uniformly, the ground gripping force is improved, the whole support is prevented from toppling, the power storage equipment for generating power is protected, in addition, after the photovoltaic panel 2 is flatly placed, the wind power blowing and sweeping can be effectively received by matching with the flow guide surface 102 at the bottom end, so that the surface of the photovoltaic panel 2 is quickly and efficiently cleaned, and the power generation effect during subsequent lifting is ensured.

Referring to fig. 1, 2, 3, 4 and 5, the photovoltaic module further comprises a pipeline 9 rotatably disposed in the frame 1, where the frame 1 is provided with a positioning groove 101, the positioning groove 101 is provided with an opening in a direction toward the photovoltaic panel 2, the bottom of the frame 1 is provided with a sliding groove 103, the positioning groove 101 is communicated with the sliding groove 103, the pipeline 9 is rotatably disposed in the positioning groove 101, the outer wall of the pipeline 9 is provided with a plurality of groups of blowing holes 902, and the plurality of groups of blowing holes 902 are linearly and uniformly distributed on the outer wall of the pipeline 9, when the pipeline 9 rotates to make the blowing holes 902 turn toward the opening between the positioning groove 101 and the photovoltaic panel 2, the gas in the blowing holes 902 can blow the surface of the photovoltaic panel 2, one end of the pipeline 9 is provided with an air inlet hole 901, wherein, when the frame 1 is in an inclined state, the air inlet hole 901 is also in a closed state to prevent wind and sand from entering, one end of the frame 1 is provided with a through hole 1011, when the frame 1 is gradually horizontal, because the other end of the frame 1 rotates on the second support rod 5 and the telescopic rod 302 slides vertically, when the telescopic rod 302 slides downwards, the first hinged seat is inevitably driven to slide towards one end close to the second support rod 5 in the chute 103, and when the hinged seat slides towards the second support rod 5, the pipeline 9 is driven to rotate, so that the air inlet hole 901 is communicated with the through hole 1011, the air blown from the high end side is effectively received and guided into the pipeline 9, so that the photovoltaic panel 2 is blown in the lateral direction, and the air is guided by the pipeline 9, so that the air transversely blows the photovoltaic panel 2 from the blowing hole 902, and the natural direction of the wind force, namely the longitudinal wind force, can realize the overall cleaning of the photovoltaic panel 2, and prevent the wind sand accumulation at the joint of the photovoltaic panel 2 and the frame 1, the tip of through-hole 1011 is that to have bell mouth 1012, and can set up the dust screen in bell mouth 1012, when the seizure amount of wind that can be more, prevent that through-hole 1011 from being blockked up, thereby further promotion sweeps the effect, and when frame 1 rises the slope, can drive articulated seat and slide to bracing piece one 3, and then close fresh air inlet 901, prevent that it from not using for a long time through-hole 1011 is blockked up, specifically to how angle of rotation is adjusted to pipeline 9, we refine it, make articulated seat one include: the sliding block 8 is arranged in the sliding groove 103 in a sliding mode, the sliding block 8 is provided with driving lines 801, the driving lines 801 are mainly inclined guide strips with a certain radian, the pipeline 9 is provided with driving grooves meshed with the driving lines 801, and when the sliding block 8 slides back and forth, the pipeline 9 can rotate through meshing with the driving grooves, so that the ventilation and the closure between the air inlet 901 and the through hole 1011 are achieved; and a first rotating block 802 fixedly arranged on the sliding block 8 is further arranged, wherein one end, far away from the first supporting rod 3, of the telescopic rod 302 is provided with a first rotating seat 303, and the first rotating block 802 is rotatably arranged on the first rotating seat 303, so that the first hinged seat can be stably driven to move when the telescopic rod 302 is lifted.

Referring to fig. 1, 2, 6 and 7, a cavity 301 is formed in a first support rod 3, a telescopic rod 302 is slidably disposed in the cavity 301, a motor 4 is disposed in the telescopic rod 302, a lead screw 401 is disposed at an output end of the motor 4, the lead screw 401 extends through the cavity 301 to the bottom, and is a threaded hole at the penetrating position, so that the lead screw 401 is engaged with the threaded hole, when the photovoltaic panel 2 tends to be horizontal, the lead screw 401 further penetrates into the ground, the connection firmness between the first support rod 3 and the ground is enhanced, and the photovoltaic panel 2 is further prevented from being blown over, a second rotating block is disposed at one end of a rod body 6, a second rotating seat 501 is disposed on a side wall of the second support rod 5, a positioning shaft 502 is fixedly disposed on the second rotating seat 501, the second rotating block is rotatably disposed on the positioning shaft 502, the other end of the rod body 6 is connected with a limiting block 604 through an elastic member 603, and the limiting block 604 is slidably disposed in the cavity 301, the spacing groove has been seted up on bracing piece 3, elastic component 603 sets up at the spacing inslot, last the in-process that glides at telescopic link 302, its bottom can support downwards and press stopper 604, thereby under the condition that elastic component 603 is by tensile deformation, make the body of rod 6 slope, and constitute triangle-shaped between ground and the bracing piece two 5, further promotion monolith support's stability, can effectively resist fierce wind, protect photovoltaic board 2's safe in utilization, here, elastic component 603 can be rubber or silica gel etc. have certain deformation and joint strength's material.

Referring to fig. 1 and 2, further comprising: a guide block 701 fixedly arranged at the bottom of the box body 7, wherein a guide groove 601 is formed in the rod body 6, the guide block 701 is slidably arranged in the guide groove 601, a reel 503 is arranged on the positioning shaft 502, and one end of the guide block 701 is connected with the reel 503 through a rope 602; the spring 702 is arranged in the guide groove 601, two ends of the spring 702 are respectively connected with the guide block 701 and the guide groove 601, in the rotating process of the rod body 6, the rope 602 can be wound on the reel 503, the box body 7 on the guide block 701 is drawn close to the second support rod 5, the spring 702 stores energy, the box body 7 can gradually move to the middle of the rod body 6, when the windy and sandy weather is coped with, the stability of the whole support can be effectively ensured, after the wind resistance is finished, the rod body 6 rebounds under the action of the elastic piece 603 and the spring 702, the spring 702 also pulls back the box body 7, and normal work is ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a can prevent wind husky solar photovoltaic fixed bolster, is including frame (1) that is provided with photovoltaic board (2), its characterized in that still includes:

a first support rod (3),

the top of the first support rod (3) is provided with a telescopic rod (302) in a sliding manner, the bottom of the frame (1) is provided with a first hinge seat in a sliding manner, and one end, far away from the first support rod (3), of the telescopic rod (302) is connected with the first hinge seat in a rotating manner;

a second support rod (5),

the bottom of the frame (1) is fixedly connected with a second hinge seat, and the top of the second support rod (5) is rotatably connected with the second hinge seat;

one end of the rod body (6) is rotatably arranged on the second supporting rod (5), the other end is slidably arranged on the first supporting rod (3),

the support rod is characterized in that a box body (7) is arranged on the rod body (6) in a sliding mode, and when the rod body (6) rotates, the box body (7) is close to or far away from the support rod II (5).

2. The solar photovoltaic fixing bracket capable of preventing wind and sand according to claim 1, further comprising a pipeline (9) rotatably arranged in the frame (1), wherein a blowing hole (902) is formed in the outer wall of the pipeline (9), the blowing hole (902) is matched with the photovoltaic panel (2), an air inlet hole (901) is formed in one end of the pipeline (9),

wherein, through-hole (1011) have been seted up to the one end of frame (1), when pipeline (9) rotate, fresh air inlet (901) and through-hole (1011) intercommunication or separation.

3. The weatherproof solar photovoltaic mount of claim 2, wherein the first hinged mount comprises:

a slide block (8) is arranged on the upper surface of the base,

the bottom of the frame (1) is provided with a sliding groove (103), the sliding block (8) is arranged in the sliding groove (103) in a sliding mode, the sliding block (8) is provided with driving grains (801), and the pipeline (9) is provided with a driving groove meshed with the driving grains (801);

a first rotating block (802) fixedly arranged on the sliding block (8),

one end, far away from the first support rod (3), of the telescopic rod (302) is provided with a first rotating seat (303), and the first rotating block (802) is rotatably arranged on the first rotating seat (303).

4. The solar photovoltaic fixed support capable of preventing wind and sand according to claim 3, characterized in that a positioning groove (101) is formed in the frame (1), the positioning groove (101) is communicated with the sliding groove (103), and the pipeline (9) is rotatably arranged in the positioning groove (101).

5. The wind and sand resistant solar photovoltaic fixing bracket according to claim 2, characterized in that the number of the blowing holes (902) is provided with a plurality of groups, and the plurality of groups of the blowing holes (902) are uniformly distributed on the outer wall of the pipeline (9).

6. The solar photovoltaic fixing support capable of preventing wind and sand according to claim 1, wherein a cavity (301) is formed in the first support rod (3), the telescopic rod (302) is slidably arranged in the cavity (301), a motor (4) is arranged in the telescopic rod (302), a lead screw (401) is arranged at an output end of the motor (4), and the lead screw (401) penetrates through the cavity (301) and extends to the bottom.

7. The wind and sand prevention solar photovoltaic fixed bracket according to claim 6, wherein a second rotating block is arranged at one end of the rod body (6), a second rotating seat (501) is arranged on the side wall of the second supporting rod (5), a positioning shaft (502) is fixedly arranged on the second rotating seat (501), and the second rotating block is rotatably arranged on the positioning shaft (502).

8. The wind and sand proof solar photovoltaic fixing bracket as claimed in claim 7, wherein the other end of the rod body (6) is connected with a limiting block (604) through an elastic member (603), the limiting block (604) is slidably disposed in the cavity (301), a limiting groove is formed in the first support rod (3), and the elastic member (603) is disposed in the limiting groove.

9. The solar photovoltaic fixing bracket capable of preventing wind and sand according to claim 7 or 8, characterized by further comprising:

a guide block (701) fixedly arranged at the bottom of the box body (7),

the positioning device comprises a rod body (6), a positioning shaft (502), a guide block (701), a rope reel (503), a rope (602), a guide groove (601) and a guide block (701), wherein the guide block (701) is arranged in the guide groove (601) in a sliding mode, one end of the guide block (701) is connected with the rope reel (503) through the rope (602);

and the spring (702) is arranged in the guide groove (601), and two ends of the spring (702) are respectively connected with the guide block (701) and the guide groove (601).

10. The wind and sand resistant solar photovoltaic fixed bracket according to claim 1, characterized in that a third rotating seat (504) is arranged at the top of the second supporting rod (5), and the second hinge seat is rotatably arranged on the third rotating seat (504).