Adjustable supporting device for photovoltaic panel

Abstract

The invention discloses an adjustable supporting device used for a photovoltaic panel, and relates to the technical field of photovoltaic equipment, the adjustable supporting device comprises a plate frame, the bottom of the plate frame is provided with a supporter, the bottom of the supporter is provided with an angle adjuster, and the surface of the angle adjuster is provided with a fixer. According to the adjustable supporting device for the photovoltaic panel, the purposes of being capable of being installed in an uneven terrain and capable of automatically removing snow are achieved, stable anchoring can be achieved through the structure that an embedded rod goes deep into the ground to be matched with a rotary piece to grip the ground, an additional leveling procedure is not needed, the requirement for an installation site is lowered, automatic reset and relocking can be achieved after accumulated snow is removed, and the installation efficiency is improved. Manual intervention is not needed, manpower and material cost for long-term maintenance is reduced, angle adjustment is achieved through a mechanical self-locking structure, the position can be stably locked after adjustment, it is ensured that the photovoltaic panel adapts to the change of the solar elevation angle, the light energy absorption efficiency is maximized, the angle adjustment process does not need to disassemble or move assemblies, and operation is convenient and fast.

Description

Technical Field

[0001] This invention relates to the field of photovoltaic equipment technology, specifically to an adjustable support device for photovoltaic panels. Background Technology

[0002] A photovoltaic (PV) panel is a device that directly converts solar energy into electrical energy through the photoelectric effect. Its core is made of semiconductor materials (such as silicon) and it is a core infrastructure driving the global energy transition. By converting solar energy into electrical energy, PV panels directly replace traditional energy sources such as thermal power and hydropower, which is one of the most effective ways to reduce carbon emissions. The power generation of a PV panel depends on its absorption efficiency of sunlight, and the supporting device maximizes the utilization rate of light energy by precisely controlling its angle and orientation. It is a core component that determines the power generation efficiency, safety life and installation compatibility of the PV system, and directly affects the return on investment of the entire PV project.

[0003] The adjustable support device used for photovoltaic panels relies on bolts to fix the columns and bases. The number of fixing points is small, and the structure has weak resistance to loosening. Once the bolts loosen, the wind resistance of the support will drop significantly, and there is a risk of structural collapse. In addition, snow is often cleared by heating. The heating wire is directly installed on the outer surface of the photovoltaic panel and is rigidly attached to the working surface of the photovoltaic panel without any buffer or isolation structure. When the temperature rises or falls suddenly, the difference in the thermal expansion coefficients between the heating wire and the photovoltaic panel can easily cause the panel encapsulation layer to crack, which will damage the structural integrity of the photovoltaic panel. Summary of the Invention

[0004] To solve the above-mentioned technical problems, the present invention is implemented through the following technical solution: an adjustable support device for photovoltaic panels, including a frame, a support installed at the bottom of the frame, an angle adjuster installed at the bottom of the support, a fixing device provided on the surface of the angle adjuster, the angle adjuster including a base frame component, the surface of the base frame component contacting the surface of the support, an adjustment component installed on the surface of the base frame component, a self-locking component provided inside the adjustment component, the fixing device including a sliding pressure component, the sliding pressure component being installed on the surface of the angle adjuster, a height adjustment component provided inside the sliding pressure component, an embedded component installed inside the sliding pressure component, the embedded component including an inner shaft, a rod slidably connected to the outer surface of the inner shaft, a threaded groove on the surface of the rod, a rotating plate slidably connected to the inner wall of the threaded groove, and a pressure groove on the inner wall of the inner shaft, the frame being used to support the photovoltaic panel, and the support installed at its bottom providing vertical support for the frame.

[0005] Preferably, the support includes a connecting frame component, the surface of which contacts the bottom of the plate frame, and an overload telescopic component is installed on the surface of the connecting frame component.

[0006] Preferably, the connecting frame component includes a connecting rod, a fixed axis rod is fixedly connected to the surface of the connecting rod, the end of the fixed axis rod is hinged to the bottom of the plate frame, and a connecting rod is fixedly connected to the inner wall of the connecting rod. The connecting rod, the hollow rod, the sliding rod and the plate frame together form a triangular support frame.

[0007] Preferably, the overload telescopic component includes a hollow rod, the inner wall of which rotates relative to the outer surface of the connecting rod, a sliding rod slidably connected to the inner wall of the hollow rod, the end of the sliding rod being hinged to the bottom of the frame, a locking push rod fixedly connected to the inner wall of the sliding rod, a locking block fixedly connected to the end of the locking push rod, the outer surface of the locking block sliding against the inner wall of the sliding rod, the outer surface of the locking block being movably connected to the inner wall of the hollow rod, a pressure-sensitive sensor fixedly connected inside the locking block, and a return spring fixedly connected to the inner wall of the hollow rod, the end of the return spring being fixed to the end of the sliding rod, and the return spring always being in a naturally extended state when there is no snow accumulation.

[0008] Preferably, the base frame component includes a support frame, a connecting frame is fixedly connected to the outer surface of the support frame, and a protruding column is fixedly connected to the outer surface of the support frame.

[0009] Preferably, the adjusting component includes a rotating frame, the outer surface of which is movably connected to the inner wall of the support frame, the outer surface of which is fixed to the inner wall of the connecting rod, a slide block and an extension rod slidably connected to the end of the rotating frame, an adjusting handle fixedly connected to the outer surface of the slide block, and the inner wall of the extension rod slidably connected to the outer surface of the protruding post. When the rotating frame rotates, it synchronously drives the connecting rod to rotate.

[0010] Preferably, the self-locking component includes a knob, a rotating block fixedly connected to the outer surface of the knob, a locking spring fixedly connected to the inner wall of the adjusting handle, a connecting plate fixedly connected to the end of the locking spring, the outer surface of the connecting plate being fixed to the inner wall of the slide block, the outer surface of the connecting plate sliding against the inner wall of the adjusting handle, a bottom shaft fixedly connected to the end of the adjusting handle, a locking block fixedly connected to the end of the bottom shaft, the outer surface of the rotating block sliding against the inner wall of the slide block, and the outer surfaces of the bottom shaft and the locking block rotating against the inner wall of the rotating frame. The locking spring deforms, pushing the connecting plate and the slide block to self-lock.

[0011] Preferably, the sliding component includes a pad, the outer surface of which is fixed to the outer surface of the support frame, a protruding tube is fixedly connected to the outer surface of the pad, and a pressure rod is slidably connected to the inner wall of the pad and the protruding tube. The outer surface of the pressure rod slides against the inner wall of the support frame, and the protruding tube provides sliding guidance for the pressure rod.

[0012] Preferably, the height adjustment component includes a gear, a gear shaft is fixedly connected to the inner wall of the gear, the outer surface of the gear shaft rotates with the inner wall of the support frame, a rack meshes with the outer surface of the gear, and the outer surface of the rack is fixed to the inner wall of the pressure rod. The rotational motion of the gear is converted into the axial linear motion of the rack.

[0013] Preferably, the outer surface of the inner shaft slides against the inner wall of the pressure rod, the outer surface of the rotary blade slides against the inner wall of the pressure groove, and the outer surface of the insert rod slides against the inner wall of the pad. The spiral channel of the pressure groove guides and transforms into the circumferential rotation of the rotary blade.

[0014] This invention provides an adjustable support device for photovoltaic panels. It offers the following advantages: (i) The adjustable support device used in this photovoltaic panel can stably support the weight of the photovoltaic panel by relying on the rigid frame and the embedded rod gripping structure. The angle adjustment is achieved by using a self-locking linkage component, which can flexibly adjust the tilt angle of the photovoltaic panel to adapt to changes in the solar altitude angle. After adjustment, the position can be accurately locked. Snow removal is automatically completed by an overload-triggered angle change mechanism, without the need for additional independent components. This integrated design greatly reduces the number of components in the overall equipment, simplifies the installation process, and eliminates the need to reserve separate installation space for different functions.

[0015] (II) The adjustable support device used in this photovoltaic panel, through the structure of the embedded rod extending deep into the ground and the rotating plate gripping the ground, can offset the stability risk caused by the ground elevation difference by enhancing the interlocking with the soil. No additional civil engineering leveling process is required. The flexible fitting design of the convex tube to the ground further enhances the support reliability under different ground conditions. In the face of severe weather such as snow accumulation, the equipment can automatically trigger a sudden angle change through pressure detection and use gravity to dump the snow without manual intervention. When there is no snow accumulation, the rigid locking structure can maintain stable support and is not affected by environmental factors such as strong winds and low temperatures. It can be widely adapted to various complex application scenarios such as mountainous areas, high altitudes, and rooftops, ensuring the long-term stable operation of the photovoltaic system.

[0016] (III) The adjustable support device used in this photovoltaic panel achieves angle adjustment and support functions solely through mechanical transmission. Only the pressure-sensitive sensor and the locking push rod consume the photovoltaic system's own power generation, maximizing the retention of power generation revenue from the photovoltaic project. All functions of the equipment do not directly contact the working surface of the photovoltaic panel, effectively avoiding the risk of damage to the photovoltaic panel's encapsulation layer and light-transmitting structure, thus extending the service life of the photovoltaic modules. The core of the equipment is a mechanical structure with no easily aged or worn-out parts. Daily maintenance only requires simple checks to ensure the locking and reset status, resulting in low maintenance costs. Furthermore, there is no chemical or noise pollution during operation, which is highly consistent with the clean and low-carbon attributes of photovoltaic energy and meets the needs of green energy development. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the structure of the present invention; Figure 3 This is a schematic diagram of the support structure of the present invention; Figure 4 This is a cross-sectional structural diagram of the overload telescopic component of the present invention; Figure 5 This is a schematic diagram of the structure of the adjusting component and the sliding component of the present invention; Figure 6 This is a partially enlarged structural schematic diagram of the adjusting component of the present invention; Figure 7 This is a schematic diagram of the structure of the self-locking component of the present invention; Figure 8 This is a partially enlarged structural schematic diagram of the self-locking component of the present invention; Figure 9 This is a partial cross-sectional structural diagram of the height adjustment component and the embedded component of the present invention; Figure 10 This is a schematic diagram of the structure of the embedded component of the present invention. Figure 11 This is a cross-sectional schematic diagram of the insert structure of the present invention.

[0018] In the diagram: 1. Plate frame; 2. Support; 21. Connecting frame assembly; 211. Connecting rod; 212. Connecting rod; 213. Fixed shaft rod; 22. Overload telescopic component; 221. Hollow rod; 222. Slide rod; 223. Locking push rod; 224. Locking block; 225. Return spring; 3. Angle adjuster; 31. Base frame assembly; 311. Support frame; 312. Protruding column; 313. Connecting frame; 32. Adjusting component; 321. Rotating frame; 322. Adjusting handle; 323. Slide block; 32 4. Extending rod; 33. Self-locking component; 331. Knob; 332. Rotating block; 333. Connecting plate; 334. Locking spring; 335. Bottom shaft; 336. Locking block; 4. Fixing device; 41. Sliding component; 411. Pad; 412. Protruding tube; 413. Pressure rod; 42. Height adjustment component; 421. Gear; 422. Gear shaft; 423. Rack; 43. Embedded component; 431. Inner shaft; 432. Insert rod; 433. Rotary plate; 434. Threaded groove; 435. Pressing groove. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Example 1, please refer to Figure 1 This invention provides an adjustable support device for photovoltaic panels, including a frame 1, a support 2 mounted on the bottom of the frame 1, an angle adjuster 3 mounted on the bottom of the support 2, a fixing device 4 disposed on the surface of the angle adjuster 3, the angle adjuster 3 including a base frame component 31, the surface of the base frame component 31 contacting the surface of the support 2, an adjusting component 32 mounted on the surface of the base frame component 31, a self-locking component 33 disposed inside the adjusting component 32, and a sliding pressing component 41 mounted on the surface of the angle adjuster 3, a height adjusting component 42 disposed inside the sliding pressing component 41. The device 41 has an embedded component 43 installed inside. The embedded component 43 includes an inner shaft 431. The outer surface of the inner shaft 431 is slidably connected to a rod 432. The surface of the rod 432 is provided with a threaded groove 434. The inner wall of the threaded groove 434 is slidably connected to a rotating plate 433. The inner wall of the inner shaft 431 is provided with a pressure groove 435. The device is fixed by the cooperation of the fixing device 4 and the base frame component 31 of the angle adjuster 3 to achieve ground anchoring. In the fixing device 4, the sliding pressure component 41 is the installation base. It is fixed to the surface of the base frame component 31 to provide support for subsequent adjustment. The angle adjuster 3 and the support 2 work together to ensure the photovoltaic panel tilt angle is adapted.

[0021] Example 2, please refer to Figures 2 to 8Based on Embodiment 1, the present invention provides a technical solution: the support 2 includes a connecting frame component 21, the surface of which contacts the bottom of the plate frame 1, an overload telescopic component 22 is installed on the surface of the connecting frame component 21, the connecting frame component 21 includes a connecting rod 211, a fixed shaft rod 213 is fixedly connected to the surface of the connecting rod 211, the end of the fixed shaft rod 213 is hinged to the bottom of the plate frame 1, a connecting rod 212 is fixedly connected to the inner wall of the connecting rod 211, the overload telescopic component 22 includes a hollow rod 221, the inner wall of the hollow rod 221 rotates with the outer surface of the connecting rod 212, a sliding rod 222 is slidably connected to the inner wall of the hollow rod 221, the end of the sliding rod 222 is hinged to the bottom of the plate frame 1, and a locking push rod 22 is fixedly connected to the inner wall of the sliding rod 222. 3. A locking block 224 is fixedly connected to the end of the locking push rod 223. The outer surface of the locking block 224 slides against the inner wall of the slide rod 222. The outer surface of the locking block 224 is movably connected to the inner wall of the hollow rod 221. A pressure sensor is fixedly connected inside the locking block 224. A return spring 225 is fixedly connected to the inner wall of the hollow rod 221. The end of the return spring 225 is fixed to the end of the slide rod 222. The base frame component 31 includes a support frame 311. A connecting frame 313 is fixedly connected to the outer surface of the support frame 311. A protrusion 312 is fixedly connected to the outer surface of the support frame 311. The adjusting component 32 includes a rotating frame 321. The outer surface of the rotating frame 321 is movably connected to the inner wall of the support frame 311. The outer surface of the rotating frame 321 is movably connected to the connecting frame. The inner wall of rod 211 is fixed. The end of rotating frame 321 is slidably connected to a slide block 323 and an extension rod 324. An adjusting handle 322 is fixedly connected to the outer surface of slide block 323. The inner wall of extension rod 324 is slidably connected to the outer surface of protrusion 312. Self-locking component 33 includes knob 331. A rotating block 332 is fixedly connected to the outer surface of knob 331. A locking spring 334 is fixedly connected to the inner wall of adjusting handle 322. A connecting plate 333 is fixedly connected to the end of locking spring 334. The outer surface of connecting plate 333 is fixed to the inner wall of slide block 323. The outer surface of connecting plate 333 slides against the inner wall of adjusting handle 322. A bottom shaft 335 is fixedly connected to the end of adjusting handle 322. A locking block 336 is fixedly connected to the end of bottom shaft 335. The outer surface of the rotating block 332 slides against the inner wall of the carriage block 323, while the outer surfaces of the bottom shaft 335 and the locking block 336 rotate against the inner wall of the rotating frame 321. The locking push rod 223 on the inner wall of the slide rod 222 pushes the locking block 224 to fit against the inner wall of the hollow rod 221. By fixing the position of the slide rod 222, the slide rod 222 is prevented from sliding freely when there is no overload, ensuring the rigidity and stability of the support frame. Rotating the knob 331 of the self-locking component 33 causes the rotating block 332 to slide along the inner wall of the carriage block 323. The bottom shaft 335 and the locking block 336 fixed at the end of the adjusting handle 322 move with the adjusting handle 322, disengaging from the locking against the inner wall of the rotating frame 321, releasing the angle fixation state. After the tilt angle is adjusted to the correct position, the knob 331 is released, and the locking spring 334 returns to its original deformation.Pushing the connecting plate 333 and the carriage block 323 back to their original positions allows the bottom shaft 335 and the locking block 336 to re-engage into the inner wall of the rotating frame 321, forming a lock and preventing the carriage block 323 from moving outward.

[0022] Example 3, please refer to Figures 9 to 11 Based on embodiments 1-2, the present invention provides a technical solution: the sliding component 41 includes a pad 411, the outer surface of the pad 411 is fixed to the outer surface of the support frame 311, a protruding tube 412 is fixedly connected to the outer surface of the pad 411, a pressure rod 413 is slidably connected to the inner wall of the pad 411 and the protruding tube 412, the outer surface of the pressure rod 413 slides against the inner wall of the support frame 311; the height adjustment component 42 includes a gear 421, a gear shaft 422 is fixedly connected to the inner wall of the gear 421, the outer surface of the gear shaft 422 rotates against the inner wall of the support frame 311, a rack 423 meshes with the outer surface of the gear 421, the outer surface of the rack 423 is fixed to the inner wall of the pressure rod 413, the outer surface of the inner shaft 431 slides against the inner wall of the pressure rod 413, and the outer surface of the rotating plate 433 is flush with the inner wall of the pressure groove 435. When the outer surface of the insert rod 432 slides against the inner wall of the pad 411, the gear shaft 422 is rotated when the height adjustment component 42 is operated. The rotational motion of the gear 421 is converted into the axial linear motion of the rack 423, which in turn drives the pressure rod 413 to slide vertically downward along the inner wall of the pad 411, the convex tube 412 and the support frame 311. The axial downward force of the inner shaft 431 is guided by the spiral groove of the pressure groove 435 and converted into the circumferential rotation of the vane 433. The inner wall of the vane 433 slides against the inner wall of the threaded groove 434 on the surface of the insert rod 432. The rotation of the vane 433 will drive the insert rod 432 to rotate synchronously. The outer surface of the insert rod 432 slides against the inner wall of the pad 411. The rotating insert rod 432 can effectively overcome the frictional resistance between soil particles and gradually embed itself into the ground to achieve the anchoring of the device with the ground.

[0023] The working principle of the adjustable support device used in this photovoltaic panel is described in detail below: In use, place the support frame 311 on the installation ground. The protruding tube 412 of the fixing device 4 remains stationary and does not yet contact the ground. Use a tool to rotate the gear shaft 422. Through the meshing transmission of the gear 421 and rack 423, the pressure rod 413 is driven to press down along the inner wall of the pad 411 and the protruding tube 412. The pressure rod 413 drives the inner shaft 431 to move down synchronously. The pressure groove 435 on the inner wall of the inner shaft 431 converts the axial movement into the rotational motion of the rotating plate 433. The rotating plate 433 rotates along the threaded groove 434 on the surface of the insert rod 432 to drive the insert rod 432 into the ground. As the insert rod 432 is continuously embedded, the entire device slowly sinks until the insert rod 432 is embedded in the protruding tube 412 and contacts the ground. The rotating plate 433 simultaneously penetrates the soil to enhance grip, completing the device anchoring. When operating normally without snow accumulation, the locking block 224 of the overload telescopic component 22 continuously locks the inner wall of the hollow rod 221 under the action of the locking push rod 223, so that the slide rod 222 and the hollow rod 221 form a rigid locked state. The weight of the frame 1 and the photovoltaic panel is transmitted to the ground through the slide rod 222, the hollow rod 221, the connecting rod 211, and the base frame component 31 of the angle adjuster 3. The convex tube 412 remains in a fixed state in contact with the ground to achieve stable support. When the angle needs to be adjusted, first turn the knob 331 to drive the locking block 336 to rotate to release the initial locking with the inner wall of the rotating frame 321. Then pull the adjusting handle 322 out of the self-locking state. Then turn the adjusting handle 322 to drive the slide block 323 to rotate. During the rotation of the slide block 323, the rotating frame 321 moves synchronously. The extended rod 324 at the other end of 321 moves with the rotating frame 321. At the same time, the connecting rod 211 rotates synchronously because it is fixed to the rotating frame 321. The plate frame 1 is driven by the fixed axis rod 213 to adjust the tilt angle with the fixed axis rod 213 as the fixed rotation center. After the angle adjustment is completed, the sliding block 323 is pressed to make the inner wall of the extended rod 324 fit tightly with the protrusion 312 to initially fix the angle. At the same time, the locking spring 334 inside the rotating block 332 releases the elastic force to push the knob 331 to reset. During the reset process of the knob 331, the locking block 336 is driven to lock into the inner wall of the rotating frame 321 again, realizing the double fixation of the angle. When the weight exceeds the threshold due to snow accumulation on the top of the photovoltaic panel, the pressure is transmitted through the plate frame 1 to the sliding rod 222 and squeezes the locking block 224. The pressure-sensitive sensor in the locking block 224... When the sensor detects that the pressure exceeds the preset threshold, it triggers the locking push rod 223 to retract, causing the locking block 224 to retract into the slide rod 222, releasing the locking constraint between the slide rod 222 and the hollow rod 221. Under the combined action of the weight of the snow and the elastic force of the return spring 225 inside the hollow rod 221, the slide rod 222 slides rapidly, pushing the plate frame 1 to rotate rapidly around the fixed axis rod 213. The sudden change in angle causes the snow to fall to the ground. After the snow is cleared, the pressure of the plate frame 1 drops sharply. The pressure sensor detects that the pressure has returned to the safe threshold, triggering the locking push rod 223 to extend again, pushing the locking block 224 to lock the inner wall of the hollow rod 221 again. The return spring 225 pulls the slide rod 222 back to the initial position, and the plate frame 1 returns to the normal working angle around the fixed axis rod 213 with the slide rod 222.

[0024] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0025] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adjustable support device for photovoltaic panels, comprising a frame (1), characterized in that: A support (2) is installed at the bottom of the frame (1), and an angle adjuster (3) is installed at the bottom of the support (2). A fixing device (4) is provided on the surface of the angle adjuster (3). The angle adjuster (3) includes a base frame component (31). The surface of the base frame component (31) is in contact with the surface of the support (2). An adjusting component (32) is installed on the surface of the base frame component (31). A self-locking component (33) is provided inside the adjusting component (32). The fixing device (4) includes a sliding component (41). 1) is installed on the surface of the angle adjuster (3). The sliding pressure component (41) is provided with a height adjustment component (42). The sliding pressure component (41) is provided with an embedded component (43). The embedded component (43) includes an inner shaft (431). The outer surface of the inner shaft (431) is slidably connected to a rod (432). The surface of the rod (432) is provided with a threaded groove (434). The inner wall of the threaded groove (434) is slidably connected to a rotating plate (433). The inner wall of the inner shaft (431) is provided with a pressure groove (435).

2. The adjustable support device for photovoltaic panels according to claim 1, characterized in that: The support (2) includes a connecting frame component (21), the surface of which is in contact with the bottom of the plate frame (1), and an overload telescopic component (22) is installed on the surface of the connecting frame component (21).

3. The adjustable support device for photovoltaic panels according to claim 2, characterized in that: The connecting frame component (21) includes a connecting rod (211), a fixed shaft rod (213) is fixedly connected to the surface of the connecting rod (211), the end of the fixed shaft rod (213) is hinged to the bottom of the plate frame (1), and a connecting rod (212) is fixedly connected to the inner wall of the connecting rod (211).

4. The adjustable support device for photovoltaic panels according to claim 3, characterized in that: The overload telescopic component (22) includes a hollow rod (221), the inner wall of which rotates relative to the outer surface of the connecting rod (212), a sliding rod (222) is slidably connected to the inner wall of the hollow rod (221), the end of the sliding rod (222) is hinged to the bottom of the plate frame (1), a locking push rod (223) is fixedly connected to the inner wall of the sliding rod (222), a locking block (224) is fixedly connected to the end of the locking push rod (223), the outer surface of the locking block (224) slides relative to the inner wall of the sliding rod (222), the outer surface of the locking block (224) is movably connected to the inner wall of the hollow rod (221), a pressure sensor is fixedly connected inside the locking block (224), a return spring (225) is fixedly connected to the inner wall of the hollow rod (221), and the end of the return spring (225) is fixed to the end of the sliding rod (222).

5. An adjustable support device for photovoltaic panels according to claim 4, characterized in that: The base frame component (31) includes a support frame (311), a connecting frame (313) is fixedly connected to the outer surface of the support frame (311), and a protruding column (312) is fixedly connected to the outer surface of the support frame (311).

6. The adjustable support device for photovoltaic panels according to claim 5, characterized in that: The adjusting component (32) includes a rotating frame (321), the outer surface of which is movably connected to the inner wall of the support frame (311), the outer surface of which is fixed to the inner wall of the connecting rod (211), a slide block (323) and an extension rod (324) are slidably connected to the end of the rotating frame (321), an adjusting handle (322) is fixedly connected to the outer surface of the slide block (323), and the inner wall of the extension rod (324) is slidably connected to the outer surface of the protrusion (312).

7. An adjustable support device for photovoltaic panels according to claim 6, characterized in that: The self-locking component (33) includes a knob (331), a rotating block (332) is fixedly connected to the outer surface of the knob (331), a locking spring (334) is fixedly connected to the inner wall of the adjusting handle (322), a connecting plate (333) is fixedly connected to the end of the locking spring (334), the outer surface of the connecting plate (333) is fixed to the inner wall of the carriage block (323), the outer surface of the connecting plate (333) slides against the inner wall of the adjusting handle (322), a bottom shaft (335) is fixedly connected to the end of the adjusting handle (322), a locking block (336) is fixedly connected to the end of the bottom shaft (335), the outer surface of the rotating block (332) slides against the inner wall of the carriage block (323), and the outer surfaces of the bottom shaft (335) and the locking block (336) rotate against the inner wall of the rotating frame (321).

8. An adjustable support device for photovoltaic panels according to claim 7, characterized in that: The sliding component (41) includes a pad (411), the outer surface of which is fixed to the outer surface of the support frame (311), a protruding tube (412) is fixedly connected to the outer surface of the pad (411), and a pressure rod (413) is slidably connected to the inner wall of the pad (411) and the protruding tube (412), and the outer surface of the pressure rod (413) slides against the inner wall of the support frame (311).

9. An adjustable support device for photovoltaic panels according to claim 8, characterized in that: The height adjustment component (42) includes a gear (421), the inner wall of which is fixedly connected to a gear shaft (422), the outer surface of which rotates with the inner wall of the support frame (311), the outer surface of which meshes with a rack (423), and the outer surface of which is fixed with the inner wall of the pressure rod (413).

10. An adjustable support device for photovoltaic panels according to claim 9, characterized in that: The outer surface of the inner shaft (431) slides against the inner wall of the pressure rod (413), the outer surface of the rotary plate (433) slides against the inner wall of the pressure groove (435), and the outer surface of the insert rod (432) slides against the inner wall of the pad (411).

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