Photovoltaic support corrosion resistance evaluation device

Abstract

The utility model relates to the technical field of new energy detection, and discloses a photovoltaic support corrosion resistance evaluation device which comprises a first shell, the edge of the first shell is hinged to a second shell, an output shaft of a motor is fixedly connected with a first rotating rod, and the bottom end of the first rotating rod is fixedly connected with a rotating disc. And the outer wall of the rotating disc is fixedly connected with an extension plate. According to the utility model, in the moving process of the sealing plug, redundant atomizing nozzles which cannot be sprayed to the photovoltaic support main body can be accurately closed, so that ineffective spraying of corrosive liquid to unnecessary areas is avoided when photovoltaic supports of different specifications are tested, waste of the corrosive liquid is effectively reduced, the utilization efficiency of resources is improved, and the service life of the corrosive liquid is prolonged. The testing cost is reduced, the transverse elastic potential energy of the spring is utilized, the insertion rod is matched with the insertion groove to abut against or be separated from the insertion groove, locking and unlocking of the position of the movable rod are achieved, and therefore it is guaranteed that the control state of the sealing plug on the atomizing nozzle is stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy detection technical field especially relates to a photovoltaic support corrosion resistance performance evaluation device. BACKGROUND

[0002] It is mainly applied to the photovoltaic power station field, and it pays more attention to portability and real-time monitoring of actual operation environment. It is usually small in size, easy to install and operate, can be directly installed on or near the photovoltaic support, and can monitor the corrosion condition of the support in actual outdoor environment in real time, such as transmitting corrosion data to a remote monitoring center through a wireless sensor network, so that operation and maintenance personnel can know the change of corrosion resistance of the support in time and find potential safety hazards in time.

[0003] In the traditional photovoltaic support corrosion resistance performance evaluation technology, a fixed specification spray device is usually used to spray corrosion liquid on the photovoltaic support for testing. When testing, the operator places the photovoltaic support at the designated position, starts the spray equipment, and lets the corrosion liquid uniformly spray on the surface of the support. However, photovoltaic supports produced by different manufacturers have great differences in length, shape and other specifications.

[0004] When the existing device is used to test photovoltaic supports of different lengths, the existing device cannot effectively adjust the spray range, all atomizing nozzles are continuously opened, a large amount of corrosion liquid is sprayed to the invalid area outside the photovoltaic support, and serious waste is caused. Therefore, a photovoltaic support corrosion resistance performance evaluation device is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a photovoltaic support corrosion resistance performance evaluation device, which aims to improve the problem of serious corrosion liquid waste when testing photovoltaic supports of different specifications in the prior art.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a photovoltaic bracket corrosion resistance performance evaluation device, comprising a first outer shell, a second outer shell hinged to the edge of the first outer shell, a motor fixedly mounted on the top of the first outer shell, a first rotating rod fixedly connected to the output shaft of the motor, a rotating disk fixedly connected to the bottom end of the first rotating rod, an extension plate fixedly connected to the outer wall of the rotating disk, a second rotating rod fixedly connected to the top of the extension plate via a bearing, the bottom end of the second rotating rod contacting the photovoltaic bracket body, a nozzle fixedly connected to the outer wall of the first outer shell, the nozzle communicating with the interior of the first outer shell, a movable rod movably connected to the bottom end of the nozzle, a sealing plug fixedly connected to the top end of the movable rod, a slot formed on the surface of the movable rod, a limiting shell fixedly connected to the outer wall of the nozzle, an insert rod movably connected to the end face of the limiting shell, a button fixedly connected to one end of the insert rod, the other end of the insert rod movably penetrating the outer wall of the nozzle and inserting into the slot, and a collection assembly disposed below the first outer shell.

[0007] As a further description of the above technical solution: the collection component includes a water storage tank, which is fixedly connected to the bottom of the first outer casing. A base is fixedly connected to the bottom of the water storage tank. The top of the water storage tank has an opening, and a guide block is fixedly connected to the top of the water storage tank. A support ring is fixedly connected to the inner wall of the water storage tank, and a filter plate is placed on the top of the support ring. A water supply pipe is fixedly connected to the outer wall of the water storage tank. One end of the water supply pipe is connected to the interior of the water storage tank, and a water pump is fixedly connected to the water supply pipe. The other end of the water supply pipe is fixedly connected to the top of the spray pipe and is connected to the interior of the spray pipe. An atomizing nozzle is fixedly connected to the surface of the spray pipe and is connected to the interior of the spray pipe.

[0008] As a further description of the above technical solution: a rotating assembly is provided inside the first outer shell, the rotating assembly includes a driven gear, the driven gear is fixedly sleeved on the surface of the second rotating rod, and a toothed ring is fixedly connected to the top inner wall of the first outer shell, the driven gear meshing with the side adjacent to the toothed ring.

[0009] As a further description of the above technical solution: a limiting ring is fixedly sleeved on the surface of the insertion rod, a spring is sleeved on the surface of the insertion rod, one end of the spring is fixedly connected to the inner wall of the limiting shell, the other end of the spring is fixedly connected to the end face of the limiting ring, and the other end of the insertion rod abuts against the groove wall of the slot.

[0010] As a further description of the above technical solution: the bottom end of the second rotating rod is open and petal-shaped, the top end of the photovoltaic bracket is inserted into the bottom opening of the second rotating rod, and a clamp is fitted on the outer wall of the second rotating rod, the inner side of the clamp is pressed against the outer surface of the photovoltaic bracket body and the second rotating rod respectively.

[0011] As the further description of the above technical solutions: the flow guide block is annular, and an inclined surface is arranged on the inner side of the top of the flow guide block.

[0012] As the further description of the above technical solutions: the number of the atomizing nozzles is several, the several atomizing nozzles are symmetrically arranged at equal intervals, and the sealing plug is arranged in cooperation with the several atomizing nozzles.

[0013] As the further description of the above technical solutions: the first shell and the second shell are semicircular, and a handle is fixedly connected to the outer wall of the second shell.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the sealing plug can accurately close the excess atomizing nozzles that cannot spray the photovoltaic support body during movement, avoid the invalid spraying of the corrosive liquid to unnecessary areas when testing photovoltaic supports of different specifications, effectively reduce the waste of the corrosive liquid, improve the utilization efficiency of resources, reduce the test cost, utilize the horizontal elastic potential energy of the spring, cooperate with the abutment or separation of the insertion rod and the insertion slot, realize the locking and unlocking of the movable rod position, and thus ensure the stable control state of the sealing plug on the atomizing nozzle.

[0016] 2. In the utility model, the rotation structure is arranged, so that the photovoltaic support body can not only make circumferential movement around the gear ring, but also realize self-rotation, cooperate with the atomizing nozzles arranged at equal intervals and symmetrically spray the corrosive liquid on each part of the support, simulate the corrosion environment in all directions, and greatly improve the accuracy of the evaluation of the corrosion resistance of the photovoltaic support. At the same time, the rotation and spraying cooperate with each other, so that the corrosion test of each part of the support can be completed in a short time, and the evaluation efficiency is effectively improved.

[0017] 3. In the utility model, the collecting assembly is arranged, so that the spray gathers into drops on the inner wall of the first shell and the second shell, flows into the water storage bucket through the flow guide block, the filter plate in the water storage bucket intercepts the impurities generated during corrosion, ensures the purity of the corrosive liquid, and then the water pump retransmits the corrosive liquid to the spray pipe through the water delivery pipe for recycling. This process not only avoids the waste of the corrosive liquid, saves resources, but also reduces the pollution caused by the discharge of the corrosive liquid to the environment. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A front view of a photovoltaic support corrosion resistance performance evaluation device is provided for the utility model;

[0019] Figure 2 A structure diagram of a collecting assembly and a spray pipe of a photovoltaic support corrosion resistance performance evaluation device is provided for the utility model;

[0020] Figure 3 A cross section schematic view of a spray pipe of the anti-corrosion performance evaluation device for photovoltaic support is provided in the utility model;

[0021] Figure 4 An enlarged view of A of the anti-corrosion performance evaluation device for photovoltaic support is provided in the utility model;

[0022] Figure 5 A cross section schematic view of a collection assembly of the anti-corrosion performance evaluation device for photovoltaic support is provided in the utility model;

[0023] Figure 6 A structure schematic view of a rotating assembly of the anti-corrosion performance evaluation device for photovoltaic support is provided in the utility model.

[0024] Legend:

[0025] 1, the first shell; 2, motor; 3, the second shell; 4, water storage bucket; 5, base; 6, spray pipe; 7, water pipe; 8, water pump; 9, handle; 10, photovoltaic support main body; 11, rotating disc; 12, extension plate; 13, second rotating rod; 14, driven gear; 15, clamp; 16, gear ring; 17, sealing plug; 18, movable rod; 19, slot; 20, limit shell; 21, button; 22, spring; 23, limit ring; 24, plug rod; 25, flow guide block; 26, atomizing nozzle; 27, support ring; 28, filter plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Refer to Figure 1 , Figure 2The utility model provides an embodiment: a kind of photovoltaic support corrosion resistance evaluation device, the effect of one shell 1 is to provide the main external support structure for whole device, simultaneously as the installation base of internal partial component, the edge of one shell 1 is hingedly connected with second shell 3, hinged design makes second shell 3 can be opened and closed relative to one shell 1, convenient to place and take out photovoltaic support, one shell 1, second shell 3 is semicircular, this shape design is conducive to forming a relatively closed space when closing, reduce the splashing of corrosive liquid in the process of spraying, it is easy to spray inside photovoltaic support in all directions simultaneously, the outer wall of second shell 3 is fixedly connected with handle 9, handle 9 is convenient for operator to grip, by pulling handle 9, it can be easily opened and closed second shell 3, the top of one shell 1 is fixedly installed with motor 2, the output shaft of motor 2 is fixedly connected with one rotating rod, motor 2 is as power source, after starting, its output shaft drives one rotating rod to rotate, provides power for subsequent series of rotational movement, the bottom of one rotating rod is fixedly connected with rotating disc 11, rotating disc 11 rotates along with the rotation of one rotating rod, and plays the role of transmission motion, the outer wall of rotating disc 11 is fixedly connected with extension plate 12, extension plate 12 rotates along with rotating disc, and then drives other components connected with it to move, realize the position adjustment of photovoltaic support and drive it to rotate, the top of extension plate 12 is fixedly connected with second rotating rod 13 with bearing, the design of bearing makes second rotating rod 13 can relatively freely rotate on extension plate 12, provides the condition for the rotation of second rotating rod 13 and the circumferential motion around gear ring 16, the bottom of second rotating rod 13 is contacted with photovoltaic support main body 10, the effect of second rotating rod 13 is to clamp photovoltaic support main body 10 and drive it to rotate, so as to receive corrosive liquid spray in all directions, the bottom of second rotating rod 13 is open and is petal-shaped, this petal-shaped opening design makes second rotating rod 13 can adapt to the top of photovoltaic support of different sizes, and realizes the clamping of photovoltaic support by the deformation of itself, the top of photovoltaic support is inserted in the bottom opening of second rotating rod 13, realizes the connection of photovoltaic support and second rotating rod 13, provides the basis for subsequent second rotating rod 13 to drive photovoltaic support to rotate, the outer wall of second rotating rod 13 is sleeved with clamp 15, clamp 15 is used to further fasten the connection between second rotating rod 13 and photovoltaic support main body 10, the inner side of clamp 15 is respectively abutted with the outer surface of photovoltaic support main body 10 and second rotating rod 13, by this close abutment mode, ensure that photovoltaic support does not loosen or fall off in the rotating process of second rotating rod 13.

[0028] Refer to Figure 3 、 Figure 4The outer wall of the first shell 1 is fixedly connected with a spray pipe 6, the spray pipe 6 is used for guiding and conveying the corrosion liquid, so that it can be sprayed onto the photovoltaic support body 10, the spray pipe 6 is communicated with the inside of the first shell 1, which ensures that the corrosion liquid can smoothly enter the spray pipe 6 from the inside of the device, the bottom end of the spray pipe 6 is movably connected with a movable rod 18, the movable rod 18 can move longitudinally on the spray pipe 6, and the position of the sealing plug 17 is adjusted by moving, so that the opening and closing of the atomizing nozzle 26 is controlled, the top end of the movable rod 18 is fixedly connected with the sealing plug 17, the sealing plug 17 can cooperate with the atomizing nozzle 26, when the sealing plug 17 moves to the corresponding position, the atomizing nozzle 26 that is not needed to be used can be closed, so as to avoid waste of the corrosion liquid, the number of the atomizing nozzles 26 is several, and the several atomizing nozzles 26 are symmetrically arranged at equal intervals, the setting mode can ensure that the corrosion liquid is uniformly sprayed on each part of the photovoltaic support body 10, the sealing plug 17 is arranged in cooperation with the several atomizing nozzles 26, the opening and closing control of the different number of atomizing nozzles 26 is realized, so as to adapt to photovoltaic support bodies 10 of different lengths, the surface of the movable rod 18 is provided with a slot 19, the slot 19 is used for cooperating with a plug rod 24, the position of the movable rod 18 is fixed, the outer wall of the spray pipe 6 is fixedly connected with a limiting shell 20, the limiting shell 20 provides a mounting position and a movement track for the plug rod 24, the end surface of the limiting shell 20 is movably connected with the plug rod 24, the plug rod 24 can move on the limiting shell 20, the position of the movable rod 18 is fixed or adjusted by being inserted into or separated from the slot 19, the surface of the plug rod 24 is fixedly sleeved with a limiting ring 23, the limiting ring 23 is used for limiting the movement range of the plug rod 24, so as to prevent the plug rod 24 from moving excessively, the surface of the plug rod 24 is sleeved with a spring 22, the spring 22 provides elastic force, so that the plug rod 24 can keep the plug-in state with the slot 19 when not subjected to external force, the position of the movable rod 18 is fixed, one end of the spring 22 is fixedly connected with the inner wall of the limiting shell 20, the other end of the spring 22 is fixedly connected with the end surface of the limiting ring 23, so as to ensure that the spring 22 can effectively exert elastic force on the plug rod 24, the other end of the plug rod 24 abuts against the groove wall of the slot 19, when the plug rod 24 abuts against the slot 19, the position of the movable rod 18 is fixed, so as to ensure that the control state of the sealing plug 17 on the atomizing nozzle 26 is stable, one end of the plug rod 24 is fixedly connected with a button 21, the button 21 is convenient for an operator to operate, the plug rod 24 can be separated from the slot 19 by pulling the button 21 outward, so as to adjust the position of the movable rod 18, the other end of the plug rod 24 movably penetrates through the outer wall of the spray pipe 6 and is plugged into the slot 19, the locking and unlocking of the position of the movable rod 18 are realized, and the lower part of the first shell 1 is provided with a collecting assembly.

[0029] Referring to Figure 1 , Figure 2 , Figure 5The collecting assembly comprises a water storage bucket 4, which is used for storing the corrosion liquid, providing a source of corrosion liquid for the whole spraying process, and recycling the corrosion liquid after spraying. The water storage bucket 4 is fixedly connected to the bottom of the first shell 1. This fixing mode ensures the stability of the water storage bucket 4 and facilitates the connection with other components in the first shell 1. The bottom of the water storage bucket 4 is fixedly connected with a base 5, which supports the device and improves the stability of the device during operation. The top of the water storage bucket 4 is provided with an opening, which facilitates the flow of the corrosion liquid after spraying into the water storage bucket 4. The top of the water storage bucket 4 is fixedly connected with a flow guide block 25, which guides the corrosion liquid after spraying into the water storage bucket 4, avoiding the corrosion liquid from spilling out. The flow guide block 25 is annular, and the inner side of the top of the flow guide block 25 is provided with a slope. This shape and slope design can more effectively guide the corrosion liquid into the water storage bucket 4. The inner wall of the water storage bucket 4 is fixedly connected with a support ring 27, which supports the filter plate 28 and ensures that the filter plate 28 can be stably placed in the water storage bucket 4. The top of the support ring 27 is provided with the filter plate 28, which is used for intercepting impurities generated by the corrosion photovoltaic support body 10, preventing impurities from entering the circulating system, ensuring the purity of the corrosion liquid, prolonging the service life of the device, and the outer wall of the water storage bucket 4 is fixedly connected with a water conveying pipe 7, which is used for conveying the corrosion liquid from the water storage bucket 4 to the spray pipe 6. One end of the water conveying pipe 7 is connected with the inside of the water storage bucket 4, ensuring that the corrosion liquid can flow smoothly from the water storage bucket 4 to the water conveying pipe 7. The water conveying pipe 7 is fixedly connected with a water pump 8, which provides power for the conveying of the corrosion liquid, so that the corrosion liquid in the water storage bucket 4 can overcome the resistance such as gravity and be conveyed to the spray pipe 6. The other end of the water conveying pipe 7 is fixedly connected with the top of the spray pipe 6, and the other end of the water conveying pipe 7 is connected with the inside of the spray pipe 6, ensuring that the corrosion liquid can flow smoothly into the spray pipe 6 to realize the spraying process. The surface of the spray pipe 6 is fixedly connected with an atomizing nozzle 26, which is connected with the inside of the spray pipe 6, atomizes and sprays the corrosion liquid in the spray pipe 6, so as to simulate the corrosion environment.

[0030] Referring to Figure 1 , Figure 6The inside of the first shell 1 is provided with a rotating assembly for driving the photovoltaic support body 10 to rotate, so that the corrosion liquid can be uniformly sprayed on each surface of the photovoltaic support body 10, and the accuracy of the evaluation is improved. The rotating assembly comprises a driven gear 14 which plays a role in transmitting motion in the rotating assembly. The driven gear 14 is fixedly sleeved on the surface of the second rotating rod 13, so as to ensure that the driven gear 14 and the second rotating rod 13 can rotate synchronously. The top inner wall of the first shell 1 is fixedly connected with a gear ring 16. The gear ring 16 provides a motion track for the driven gear 14, so that the driven gear 14 can do circular motion around the gear ring 16. The side of the driven gear 14 adjacent to the gear ring 16 is engaged. Through this engagement relationship, while the driven gear 14 does circular motion around the gear ring 16, the second rotating rod 13 is driven to rotate, and in turn the photovoltaic support body 10 is driven to rotate.

[0031] Working principle: first open the second shell 3 by gripping the handle 9, then the top of the photovoltaic bracket is inserted into the bottom opening of the second rotating rod 13, because the bottom of the second rotating rod 13 is petal-shaped, the petal-shaped position of the second rotating rod 13 has plasticity, then it is locked on the surface of the second rotating rod 13 by the clamp 15, the photovoltaic bracket surface is clamped at the bottom opening of the second rotating rod 13 by the deformation of the petal-shaped part of the second rotating rod 13, then the second shell 3 is closed, and the motor 2 is started, so that the output shaft of the motor 2 drives the first rotating rod to rotate, the rotating disc 11 is driven to rotate through the bottom of the first rotating rod, the extension plate 12 is set to rotate with the rotating disc 11, and the driven gear 14 on the second rotating rod 13 does circular motion on the gear ring 16, the second rotating rod 13 rotates around the gear ring 16 while driving the second rotating rod 13 to rotate, the photovoltaic bracket is rotated by the rotation of the second rotating rod 13, then the water pump 8 is started, so that the water pump 8 cooperates with the water delivery pipe 7 to pump out the water in the water storage bucket 4, the pumped-out water is delivered to the inside of the spray pipe 6 from the other end, as the pressure in the spray pipe 6 increases, the corrosion liquid in the spray pipe 6 is sprayed outwards from the atomizing nozzle 26, the corrosion liquid is atomized and uniformly sprayed on the photovoltaic bracket body 10 by the atomizing nozzle 26, so as to simulate the corrosion environment, and cooperate with the rotation of the photovoltaic bracket, so that the evaluation efficiency of the photovoltaic bracket body 10 in the corrosion environment can be improved, when facing photovoltaic bracket bodies 10 of different lengths, all the atomizing nozzles 26 are opened, which will cause unnecessary waste, only need to pull the button 21 outward, the button 21 drives the inserting rod 24 to separate from the inserting slot 19, then the movable rod 18 moves longitudinally along with the length of the photovoltaic bracket body 10, so that the sealing plug 17 moves along with the movable rod 18, thereby closing the excess atomizing nozzles 26 that cannot spray the photovoltaic bracket body 10, the spray gathers into drops on the inner wall of the first shell 1 and the second shell 3, the water drops gather into a stream downward along the inner wall of the first shell 1 and the second shell 3, then pass through the filter plate 28, the filter plate 28 is used to intercept the impurities generated by corroding the photovoltaic bracket body 10, then the corrosion liquid flows into the inside of the water storage bucket 4, realizing the role of recycling.

[0032] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A device for evaluating the corrosion resistance of photovoltaic brackets, comprising a first outer casing (1), characterized in that: A second outer shell (3) is hinged to the edge of the first outer shell (1). A motor (2) is fixedly installed on the top of the first outer shell (1). The output shaft of the motor (2) is fixedly connected to a first rotating rod. A rotating disk (11) is fixedly connected to the bottom end of the first rotating rod. An extension plate (12) is fixedly connected to the outer wall of the rotating disk (11). A second rotating rod (13) is fixedly connected to the top of the extension plate (12) through a bearing. The bottom end of the second rotating rod (13) contacts the photovoltaic bracket body (10). A nozzle (6) is fixedly connected to the outer wall of the first outer shell (1). The nozzle (6) is connected to the first outer shell. (1) is internally connected. The bottom end of the nozzle (6) is movably connected to a movable rod (18). The top end of the movable rod (18) is fixedly connected to a sealing plug (17). The surface of the movable rod (18) is provided with a slot (19). The outer wall of the nozzle (6) is fixedly connected to a limiting shell (20). The end face of the limiting shell (20) is movably connected to an insert rod (24). One end of the insert rod (24) is fixedly connected to a button (21). The other end of the insert rod (24) movably passes through the outer wall of the nozzle (6) and is inserted into the slot (19). A collection component is provided below the first outer shell (1).

2. The device for evaluating the corrosion resistance of a photovoltaic support structure according to claim 1, characterized in that: The collection assembly includes a water storage tank (4), which is fixedly connected to the bottom of the first outer shell (1). A base (5) is fixedly connected to the bottom of the water storage tank (4). The top of the water storage tank (4) is open. A guide block (25) is fixedly connected to the top of the water storage tank (4). A support ring (27) is fixedly connected to the inner wall of the water storage tank (4). A filter plate (28) is placed on the top of the support ring (27). A water supply pipe (7) is fixedly connected to the outer wall of the water storage tank (4). One end of the water supply pipe (7) is connected to the inside of the water storage tank (4). A water pump (8) is fixedly connected to the water supply pipe (7). The other end of the water supply pipe (7) is fixedly connected to the top of the spray pipe (6). The other end of the water supply pipe (7) is connected to the inside of the spray pipe (6). An atomizing nozzle (26) is fixedly connected to the surface of the spray pipe (6). The atomizing nozzle (26) is connected to the inside of the spray pipe (6).

3. The photovoltaic support corrosion resistance evaluation device according to claim 1, characterized in that: The first outer shell (1) is provided with a rotating assembly, which includes a driven gear (14). The driven gear (14) is fixedly sleeved on the surface of the second rotating rod (13). A toothed ring (16) is fixedly connected to the top inner wall of the first outer shell (1). The driven gear (14) meshes with the adjacent side of the toothed ring (16).

4. The device for evaluating the corrosion resistance of a photovoltaic support structure according to claim 1, characterized in that: A limiting ring (23) is fixedly sleeved on the surface of the insertion rod (24), and a spring (22) is sleeved on the surface of the insertion rod (24). One end of the spring (22) is fixedly connected to the inner wall of the limiting shell (20), and the other end of the spring (22) is fixedly connected to the end face of the limiting ring (23). The other end of the insertion rod (24) abuts against the groove wall of the slot (19).

5. The photovoltaic support corrosion resistance evaluation device according to claim 1, characterized in that: The bottom end of the second rotating rod (13) is open and petal-shaped. The top end of the photovoltaic bracket is inserted into the bottom opening of the second rotating rod (13). The outer wall of the second rotating rod (13) is fitted with a clamp (15). The inner side of the clamp (15) is pressed against the outer surface of the photovoltaic bracket body (10) and the second rotating rod (13).

6. The photovoltaic support corrosion resistance evaluation device according to claim 2, characterized in that: The guide block (25) is ring-shaped, and the top inner side of the guide block (25) is provided with a slope.

7. The device for evaluating the corrosion resistance of a photovoltaic support structure according to claim 2, characterized in that: The number of atomizing nozzles (26) is several, and the several atomizing nozzles (26) are symmetrically arranged at equal intervals. The sealing plug (17) is arranged in conjunction with the several atomizing nozzles (26).

8. The device for evaluating the corrosion resistance of a photovoltaic support according to claim 1, characterized in that: The first outer shell (1) and the second outer shell (3) are semi-circular, and the outer wall of the second outer shell (3) is fixedly connected with a handle (9).

Images