Roof photovoltaic lifting device

Abstract

The present invention relates to the technical field of lifting devices. Specifically disclosed is a roof photovoltaic lifting device, comprising: a lifting mechanism, which comprises a frame, a power member arranged on the frame, and a cable connected to the power member; a frame barrier, which comprises a main frame, a partition railing mounted on the main frame, and a folding bucket rotationally mounted on the main frame; and a stabilizing mechanism, which comprises a moving body and a strap connected between the moving body and the main frame, wherein the cable is connected to the moving body, the strap abuts against the folding bucket, and when the moving body pulls the strap, the strap can push the folding bucket to rotate towards the partition railing. By means of the provision of the frame barrier and the stabilizing mechanism, the cable pulls the moving body to move, and the strap is then pulled by the moving body; and during this process, the tightened strap abuts against the folding bucket, such that the folding bucket rotates towards the partition railing, thereby preventing the detachment of a photovoltaic panel, and the photovoltaic panel is thus lifted to a rooftop by means of the cable.

Description

Roof photovoltaic lifting device TECHNICAL FIELD

[0001] The present application relates to the technical field of lifting device, in particular to a roof photovoltaic lifting device. BACKGROUND

[0002] The core principle of solar photovoltaic power generation is photovoltaic effect, that is, sunlight irradiates on semiconductor material, generates electron and hole pair, and electron generates current through circuit, thereby realizing electric energy conversion. The traditional solar photovoltaic technology is mainly through the manufacturing of silicon wafer, but the technology has limitations such as high cost and low energy efficiency. In recent years, solar photovoltaic technology has been continuously innovated, such as thin film photovoltaic technology, organic photovoltaic technology and the like. The advent of these new technologies solves the problems that the traditional technology cannot overcome, and is more suitable for practical application from the technical and economic aspects. Solar photovoltaic power generation has become one of the mainstream technologies in the field of renewable energy due to its characteristics of cleanliness, environmental protection and renewable, and roof photovoltaic is also a photovoltaic power generation scheme often used in practical application.

[0003] Since the photovoltaic module is a fragile item, the photovoltaic panel is easy to collide and cause damage to the equipment during manual transportation of the roof photovoltaic panel, so the device is invented. SUMMARY

[0004] In view of the above-mentioned problem that the photovoltaic panel is difficult to carry in the prior art, the present application is proposed.

[0005] Therefore, the purpose of the present application is to provide a roof photovoltaic lifting device.

[0006] To solve the above technical problems, the present application provides the following technical scheme: a roof photovoltaic lifting device, comprising a lifting mechanism, a frame, a power component arranged on the frame, and a cable connected with the power component; a frame fence, comprising a main frame, a partition fence arranged on the main frame, and a deployment bucket rotatably arranged on the main frame; and a stabilizing mechanism, comprising a moving body and a binding belt connected between the moving body and the main frame.

[0007] The cable is connected with the moving body, the binding belt is in contact with the deployment bucket, and when the moving body pulls the binding belt, the binding belt can push the deployment bucket to rotate towards the partition fence.

[0008] As a preferred scheme of the roof photovoltaic lifting device, the deployment bucket comprises a bottom plate rotatably connected with the main frame, and a bucket surrounding plate arranged on the bottom plate; the binding belt has a fixed end fixedly connected with the partition fence, and a connecting end connected with the moving body, and the connecting position of the fixed end and the partition fence is located below the bottom plate.

[0009] As a preferred roof photovoltaic lifting device, a groove is formed on the bottom plate, a close-together mechanism is installed on the bottom plate at the groove, and the bucket wall is connected to the bottom plate through the close-together mechanism.

[0010] As a preferred roof photovoltaic lifting device, an elastic member is installed on the guide column, and the elastic member is in contact with the contact body.

[0011] As a preferred roof photovoltaic lifting device, the contact body includes a sleeve part on the outside of the guide column, a first extension end parallel to the moving plate, and a second extension end having an angle with the first extension end.

[0012] As a preferred roof photovoltaic lifting device, the first extension end is provided with a first through groove, and the second extension end is provided with a second through groove, and the bandage passes through the first through groove and the second through groove.

[0013] As a preferred roof photovoltaic lifting device, the barrier has a contact strip protruding to the side.

[0014] The moving plate is provided with a protruding area at both ends, which can be used to support the photovoltaic plate.

[0015] As a preferred roof photovoltaic lifting device, it further includes a rotating mechanism and a locking mechanism, the bottom plate is connected to the main frame through the rotating mechanism, the rotating mechanism includes a fixed shaft installed on the main frame, and a rotating sleeve rod installed on the bottom plate and sleeved on the outside of the fixed shaft, the locking mechanism includes a bracket installed on the main frame, and a lifting positioning member slidingly installed on the bracket, when the lifting positioning member is contacted, the rotating sleeve rod can normally rotate, and when the lifting positioning member is not contacted, the lifting positioning member can lock the rotating sleeve rod.

[0016] As a preferred roof photovoltaic lifting device, a groove is formed on the bottom plate, a close-together mechanism is installed on the bottom plate at the groove, and the bucket wall is connected to the bottom plate through the close-together mechanism.

[0017] As a preferred scheme of the roof photovoltaic lifting device, the groove comprises an arc-shaped area and a positioning area; the arc-shaped area is coaxial with the fixed shaft; and the extension line of the positioning area passes through the axis of the fixed shaft.

[0018] The present application has the following advantages: by setting the frame fence and the stabilizing mechanism, the cable pulls the moving body to move, and the bandage is pulled by the moving body; in this process, the tightening of the bandage will resist the unfolding bucket, so that the unfolding bucket rotates towards the fence direction, avoiding the photovoltaic panel from being separated, and the photovoltaic panel is lifted to the roof by the cable. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Fig. 1 is a schematic diagram of the overall structure of the roof photovoltaic lifting device.

[0021] Fig. 2 is a schematic diagram of the frame fence structure.

[0022] Fig. 3 is a side view of the frame fence.

[0023] Fig. 4 is an enlarged view of A in Fig. 3.

[0024] Fig. 5 is a schematic diagram of the close-together mechanism structure.

[0025] Fig. 6 is a schematic diagram of the unfolding bucket structure.

[0026] Fig. 7 is a schematic diagram of the locking mechanism and the rotating mechanism structure.

[0027] Fig. 8 is a schematic diagram of the rotating mechanism structure.

[0028] 100, lifting mechanism; 101, frame; 101a, stabilizer; 101b, extension arm; 102, power member; 103, cable; 200, fence; 201, main frame; 202, partition; 202a, contact strip; 203, unfolding bucket; 203a, bucket surrounding plate; 203b, bottom plate; 203c, through slot; 300, stabilizing mechanism; 301, moving body; 302, strap; 302a, fixed end; 302b, connecting end; 400, approaching mechanism; 401, guide column; 402, abutting body; 402a, sleeving part; 402b, first extension end; 402c, second extension end; 402d, first through slot; 402e, second through slot; 403, moving plate; 404, elastic member; 500, rotating mechanism; 501, fixed shaft; 502, rotating sleeve rod; 503, groove; 503a, arc-shaped area; 503b, positioning area; 600, locking mechanism; 601, bracket; 602, lifting positioning member; 602a, column body; 602b, locking tongue. DETAILED DESCRIPTION

[0029] In order to make the above objectives, features and advantages of the present application more apparent, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0030] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without the specific details and other implementations can be employed. In other instances, well-known methods have not been described in detail in order not to unnecessarily obscure aspects of the present application.

[0031] Secondly, the term "one embodiment" or "an embodiment" as used herein means that a particular implementation can include a particular feature, structure, or characteristic, but every embodiment can not necessarily include the particular feature, structure, or characteristic. Furthermore, the following claims can refer to "one embodiment" or "an embodiment" in the sense of claiming a particular feature, structure, or characteristic of more than one embodiment.

[0032] Thirdly, the present application is described in detail with reference to the accompanying drawings. In the detailed description of the embodiments of the present application, the sectional view of the device structure is partially enlarged without the general proportion for the convenience of description, and the accompanying drawings are only examples, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual manufacture.

[0033] Embodiment 1, referring to FIG. 1 to FIG. 5, provides a roof photovoltaic lifting device, comprising a lifting mechanism 100, a power element 102 arranged on a frame 101, and a cable 103 connected with the power element 102, the lifting mechanism 100 is a main structure for providing lifting photovoltaic panels, wherein the frame 101 can be a floor standing frame structure, which has a stabilizer 101a placed on the ground for supporting the whole device, and an extension arm 101b is also needed, which can extend out of the roof when the stabilizer 101a is on the roof, so as to facilitate lifting the photovoltaic panels, the power element 102 is a driving motor connected with a rope shaft, and the cable 103 is wound outside the rope shaft, and the end far away from the rope shaft can extend out of the roof through the extension arm 101b.

[0034] The roof photovoltaic lifting device comprises a frame fence 200, which comprises a main frame 201, a partition fence 202 mounted on the main frame 201, and a spreader 203 rotatably mounted on the main frame 201; the main frame 201 is preferably a U-shaped frame, which mainly provides a space for loading photovoltaic panels, the partition fence 202 divides the internal area of the main frame 201 into two parts, and the two parts are located on the two sides of the partition fence 202, and the number of spreaders 203 on the main frame 201 is two, which are symmetrically mounted on the main frame 201, and the partition fence 202 divides the two spreaders 203, and the spreader 203 can rotate, so that the inlet of the spreader 203 can be deflected away from the partition fence 202, thereby facilitating the loading of photovoltaic panels into the inside of the spreader 203.

[0035] The roof photovoltaic lifting device comprises a stabilizing mechanism 300, which comprises a moving body 301 and a binding belt 302 connected between the moving body 301 and the main frame 201; the cable 103 is connected with the moving body 301, and the binding belt 302 is in contact with the spreader 203, when the moving body 301 pulls the binding belt 302, the binding belt 302 can push the spreader 203 to rotate towards the partition fence 202, so that two photovoltaic panels are placed in the inside of the two spreaders 203, the power element 102 works to wind the cable 103, and the cable 103 pulls the moving body 301 to move, at this time, the binding belt 302 is pulled by the moving body 301, and in this process, the tightening of the binding belt 302 will contact the spreader 203, so that the spreader 203 rotates towards the partition fence 202, and the spreader 203 can rotate to a horizontal state to avoid the photovoltaic panels from falling off, in addition, the binding belt 302 can also protect the side of the photovoltaic panels away from the partition fence 202, further avoiding the photovoltaic panels from falling off.

[0036] Further, the unfolding bucket 203 comprises a bottom plate 203b rotatably connected with the main frame 201, and a bucket wall 203a installed on the bottom plate 203b; the binding belt 302 has a fixed end 302a fixedly connected with the fence 202, and a connecting end 302b connected with the moving body 301, the connecting position of the fixed end 302a with the fence 202 is below the bottom plate 203b, wherein the bucket wall 203a is preferably in a U-shaped structure, and the rotatable range of the bottom plate 203b is preferably 20 degrees, that is, when the bottom plate 203b rotates towards the fence 202, it can rotate to the horizontal state at most, and when the bottom plate 203b rotates away from the fence 202, it can rotate by 20 degrees at most. As for the control of the rotation angle of the bottom plate 203b, a blocking structure can be provided on the main frame 201.

[0037] In addition, the entire binding belt 302 is located in the area between the fixed end 302a and the connecting end 302b, which is bypassed by the unfolding bucket 203 away from one side of the fence 202, so that when the binding belt 302 is tightened, it can push the unfolding bucket 203 to rotate.

[0038] Embodiment 2, referring to FIGS. 2-6, the difference between this embodiment and the first embodiment is that if the photovoltaic panel is not limited on the inner side of the unfolding bucket 203, the shaking during lifting can easily cause the photovoltaic panel to hit the rack fence 200, causing damage to the photovoltaic panel. Therefore, the device further comprises a close-to mechanism 400, a through slot 203c is provided on the bottom plate 203b, and the close-to mechanism 400 is installed at the through slot 203c of the bottom plate 203b, and the bucket wall 203a is connected with the bottom plate 203b through the close-to mechanism 400.

[0039] The close-to mechanism 400 comprises a guide column 401 fixed to the inside of the through slot 203c, a contact body 402 slidingly sleeved on the outside of the guide column 401, the binding belt 302 abuts against the contact body 402, a moving plate 403 installed on the contact body 402, and the bucket wall 203a is installed on the moving plate 403. When the moving body 301 pulls the binding belt 302, it can push the contact body 402, thereby pushing the moving plate 403 to move towards the fence 202, thereby driving the unfolding bucket 203 to move towards the fence 202, until one side of the photovoltaic panel and the unfolding bucket 203 are in close contact, and the other end and the fence 202 are in close contact, limiting the movement space of the photovoltaic panel, avoiding the problem of the photovoltaic panel hitting the rack fence 200.

[0040] Specifically, the elastic member 404 is installed on the guide column 401 and abuts against the abutting body 402. When the abutting body 402 moves towards the partition 202, the abutting body 402 abuts against the elastic member 404. The elastic member 404 has three functions. First, when the strap 302 pushes the abutting body 402, the elastic member 404 can exert a partial elastic force on the abutting body 402, thereby reducing the pressure exerted on the internal photovoltaic panel when the abutting body 402 drives the unfolding bucket 203 to move. Second, the range of movement of the abutting body 402 is limited, thereby avoiding the problem that the unfolding bucket 203 is too close to the partition 202, causing the photovoltaic panel between the two to be squeezed. Third, when the strap 302 no longer exerts pressure on the abutting body 402, the elastic member 404 pushes the abutting body 402 to drive the unfolding bucket 203 to reset. The unfolding bucket 203 slides away from the partition 202. The gravity acts on the end of the bottom plate 203b away from the partition 202. At this time, the bottom plate 203b and the unfolding bucket 203 can rotate automatically away from the partition 202 under the action of gravity.

[0041] Further, the abutting body 402 includes a sleeving portion 402a sleeved on the outside of the guide column 401, a first extension end 402b parallel to the moving plate 403, and a second extension end 402c having an angle with the first extension end 402b.

[0042] The sleeving portion 402a is sleeved on the outside of the guide column 401 and can move along the guide column 401. The first extension end 402b is provided to enable the strap 302 to tighten, push the first extension end 402b, thereby pushing the abutting body 402 to move, and further pushing the unfolding bucket 203 to move. The second extension end 402c is provided to enable the strap 302 to tighten in the initial stage, push the abutting body 402, and further push the entire bottom plate 203b to rotate towards the partition 202.

[0043] Because when the bottom plate 203b is in an inclined state, the gravity of the entire unfolding bucket 203 and the force of the elastic member 404 will limit the range of movement of the abutting body 402 pushed by the strap 302 in the initial stage of tightening by pressing the first extension end 402b. In the initial stage of tightening, the strap 302 pushes the bottom plate 203b and the unfolding bucket 203 to rotate towards the partition 202 through the second extension end 402c. When the bottom plate 203b rotates close to a horizontal state, the gravity of the unfolding bucket 203 received by the first extension end 402b gradually decreases, and the tightening strap 302 can push the unfolding bucket 203 to move towards the partition 202 through the first extension end 402b.

[0044] In this way, the photovoltaic panel inside the unfolding bucket 203 can keep a certain distance from the partition 202 when following the rotation of the unfolding bucket 203, so that the unfolding bucket 203 and the photovoltaic panel inside it can smoothly reach the horizontal state, and then further approach the partition 202.

[0045] Further, the first extension end 402b is provided with a first through slot 402d, and the second extension end 402c is provided with a second through slot 402e. The binding belt 302 passes through the first through slot 402d and the second through slot 402e. The purpose of the binding belt 302 passing through the first through slot 402d and the second through slot 402e is to keep the binding belt 302 in the corresponding position of the first extension end 402b and the second extension end 402c after being loosened, so as to avoid the disengagement of the binding belt 302 from the first extension end 402b and the second extension end 402c.

[0046] Further, the partition 202 has a contact strip 202a protruding to the side surface; the moving plate 403 is provided with a protruding area 401a at both ends, which can be used to support the photovoltaic panel.

[0047] The contact strip 202a close to the side wall of the unfolding bucket 203 can be wrapped with a flexible material, including but not limited to cotton products, sponge products, and rubber products. Of course, the inner wall of the unfolding bucket 203 close to the contact strip 202a can also be wrapped with the same flexible material. The protruding area 401a can form support corresponding to the bottom surface of the photovoltaic panel at both ends, so as to avoid the gap between the unfolding bucket 203 and the partition 202.

[0048] The remaining structures are the same as those of Example 1.

[0049] Example 3, referring to FIGS. 6-8, the difference between this example and the above examples is that, in order to avoid the problem of sudden unfolding of the unfolding bucket 203 caused by the breakage of the binding belt 302 during lifting, a rotating mechanism 500 and a locking mechanism 600 are further included, and the bottom plate 203b is connected to the main frame 201 through the rotating mechanism 500. The rotating mechanism 500 includes a fixed shaft 501 installed on the main frame 201, and a rotating sleeve rod 502 installed on the bottom plate 203b and sleeved outside the fixed shaft 501. The locking mechanism 600 includes a bracket 601 installed on the main frame 201, and a lifting positioning piece 602 slidingly installed on the bracket 601. When the lifting positioning piece 602 is not touched, the rotating sleeve rod 502 can normally rotate, and when the lifting positioning piece 602 is not touched, the lifting positioning piece 602 can lock the rotating sleeve rod 502.

[0050] When the entire frame 200 is placed on the ground, the bottom of the lifting and positioning component 602 will be pressed against the ground. At this time, the rotating sleeve 502 can rotate normally, and naturally the base plate 203b can rotate normally. As the power component 102 starts to work, the cable 103 mechanism pulls the moving body 301 to lift the frame 200. At this time, the bottom of the lifting and positioning component 602 is no longer pressed against the ground. The lifting and positioning component 602 forms a positioning for the rotating sleeve 502. Even if the strap 302 breaks at this time, because the lifting and positioning component 602 is not pressed against the ground, the rotating sleeve 502 and the base plate 203b cannot rotate, so the problem of the photovoltaic panel falling off when the unfolding bucket 203 unfolds will not occur.

[0051] Specifically, the rotating sleeve 502 has a groove 503; the lifting positioning component 602 includes a column 602a slidably mounted on the bracket 601, and a locking tongue 602b located at the end of the column 602a and extending into the groove 503.

[0052] The groove 503 includes an arc-shaped area 503a and a positioning area 503b; the arc-shaped area 503a is coaxial with the fixed shaft 501; the extension line of the positioning area 503b passes through the axis of the fixed shaft 501.

[0053] The bracket 601 is fixed to the main frame 201. The column 602a passes through the bracket 601. When the fence 200 is placed on the ground, the bottom of the column 602a is in contact with the ground. At this time, the locking tongue 602b is located in the arc area 503a of the groove 503, and the entire rotating sleeve 502 can rotate. After the photovoltaic panel is placed, the strap 302 is tightened, and the base plate 203b and the rotating sleeve 502 rotate towards the partition 202. At this time, the locking tongue 602b reaches the junction of the arc area 503a and the positioning area 503b of the rotating sleeve 502. The moving body 301 lifts the entire fence 200 through the cable 103. At this time, the fence 200 leaves the ground, and the bottom of the column 602a is separated from the ground and is no longer in contact. At this time, the column 602a moves downward relative to the rotating sleeve 502 under the action of gravity, and the locking tongue 602b enters the positioning area 503b, completing the positioning of the entire rotating sleeve 502.

[0054] Of course, in this embodiment, the range of rotation of the unfolding bucket 203 can also be limited by controlling the curvature of the arc area 503a. For example, when the bottom plate 203b rotates to a horizontal state, the locking tongue 602b reaches the junction of the arc area 503a and the positioning area 503b and cannot continue to rotate. When the bottom plate 203b rotates 20 degrees away from the partition 202, the locking tongue 602b reaches the end of the arc area 503a away from the positioning area 503b, and the bottom plate 203b also cannot continue to rotate. Therefore, unlike other embodiments, in this embodiment, there is no need to set up an additional structure to limit the rotation range of the bottom plate 203b.

[0055] The rest of the structure is the same as that of Example 2.

[0056] It is important to note that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in the application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such variations are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be varied or re-sequenced without materially affecting the application. Any "apparatus" or "device" described herein can be a structure that performs the recited function without necessarily being limited to a structure that is physically located as claimed. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating

[0057] Also, to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those related to the

[0058] It is to be understood that the development of the particular embodiments of the application described herein can not be limited to the particular implementation described above, but can include any number of variations, modifications, or equivalents to the features described in the application. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present application, which is defined by the appended claims.

[0059] It should be noted that the above examples are only used to illustrate the technical solutions of the present application but not limit the present application, and although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the present application, and all should be included in the scope of the claims of the present application.

Claims

1. A roof photovoltaic elevator, characterized by: The utility model relates to a lifting mechanism (100) and a stable mechanism (300) and a frame fence (200) are connected, and the frame fence (200) is installed on the lifting mechanism (100), and the stable mechanism (300) is installed on the frame fence (200). The lifting mechanism (100) comprises a frame (101), a power element (102) arranged on the frame (101) and a cable (103) connected with the power element (102). The frame fence (200) comprises a main frame (201), a partition fence (202) installed on the main frame (201) and a deployment bucket (203) rotatably installed on the main frame (201). The stable mechanism (300) comprises a moving body (301) and a binding belt (302) connected between the moving body (301) and the main frame (201). The cable (103) is connected with the moving body (301), the binding belt (302) is in contact with the deployment bucket (203), and when the moving body (301) pulls the binding belt (302), the binding belt (302) can push the deployment bucket (203) to rotate towards the partition fence (202).

2. The rooftop photovoltaic elevator of claim 1, wherein: The deployment bucket (203) comprises a bottom plate (203b) rotatably connected with the main frame (201) and a bucket surrounding plate (203a) installed on the bottom plate (203b). The binding belt (302) has a fixed end (302a) fixedly connected with the partition fence (202) and a connecting end (302b) connected with the moving body (301), and the connecting position of the fixed end (302a) and the partition fence (202) is below the bottom plate (203b).

3. The rooftop photovoltaic elevator of claim 2, wherein: The bottom plate (203b) is provided with a through groove (203c), the bottom plate (203b) is provided with a close-to mechanism (400) at the through groove (203c), and the bucket surrounding plate (203a) is connected with the bottom plate (203b) through the close-to mechanism (400). The close-to mechanism (400) comprises a guide column (401) fixedly arranged in the through groove (203c), a contact body (402) slidably sleeved on the outer side of the guide column (401), the binding belt (302) being in contact with the contact body (402), a moving plate (403) arranged on the contact body (402) and the bucket surrounding plate (203a) being arranged on the moving plate (403). When the moving body (301) pulls the binding belt (302), the contact body (402) can be pushed, so that the moving plate (403) moves towards the partition fence (202). The guide column (401) is provided with an elastic element (404) in contact with the contact body (402), and the contact body (402) moves towards the partition fence (202) and contacts the elastic element (404). The contact body (402) comprises a sleeving part (402a) sleeved on the outer side of the guide column (401), a first extension end (402b) parallel to the moving plate (403) and a second extension end (402c) having an included angle with the first extension end (402b).

4. The rooftop photovoltaic elevator of claim 3, wherein: The first extension end (402b) is provided with a first through groove (402d), the second extension end (402c) is provided with a second through groove (402e), and the binding belt (302) passes through the first through groove (402d) and the second through groove (402e).

5. The rooftop photovoltaic elevator of claim 4, wherein: ​ 6. The rooftop photovoltaic elevator of claim 5, wherein: ​ 7. The rooftop photovoltaic elevator of claim 6, wherein: The fence (202) has a contact strip (202a) protruding to the side; The moving plate (403) is provided with a protruding area (401a) at both ends, which can be used to support the photovoltaic panel.

8. The rooftop photovoltaic elevator of claim 5 or 6 or 7, wherein: Further comprising a rotating mechanism (500) and a locking mechanism (600), the bottom plate (203b) is connected with the main frame (201) through the rotating mechanism (500); The rotating mechanism (500) comprises a fixed shaft (501) installed on the main frame (201), and a rotating sleeve rod (502) installed on the bottom plate (203b) and sleeved outside the fixed shaft (501); The locking mechanism (600) comprises a bracket (601) installed on the main frame (201), and a lifting positioning member (602) slidingly installed on the bracket (601); When the lifting positioning member (602) is not in contact, the lifting positioning member (602) can lock the rotating sleeve rod (502).

9. The rooftop photovoltaic elevator of claim 8, wherein: The rotating sleeve rod (502) is provided with a groove (503); The lifting positioning member (602) comprises a column (602a) slidingly installed on the bracket (601), and a lock tongue (602b) provided at the end of the column (602a) and extending into the groove (503).

10. The rooftop photovoltaic elevator of claim 9, wherein: The groove (503) comprises an arc-shaped area (503a) and a positioning area (503b); The arc-shaped area (503a) is coaxial with the fixed shaft (501); the extension line of the positioning area (503b) passes through the axis of the fixed shaft (501).

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