A photovoltaic array whole hoisting system

Abstract

The application discloses a kind of photovoltaic array overall hoisting systems, including hoisting assembly, prefabricated unit and support unit;The hoisting assembly includes first gantry, second gantry and guide slide plate, the prefabricated unit includes a plurality of photovoltaic assembly that can be spliced to form array structure, any adjacent four spliced photovoltaic assembly with gap in the middle between the mouth-shaped type, the fixed component can slide out the gap and fold over and press the photovoltaic assembly.In the present application, the prefabricated unit is installed on the support unit by the way of overall splicing and sliding hoisting, which replaces the traditional way of installing single photovoltaic component one by one by manual work.The whole system is more quick and convenient, time-saving and labor-saving in the aspects of splicing and forming of prefabricated unit, building and fixing of hoisting assembly and support unit, hoisting and assembling of prefabricated unit and support unit, which greatly improves the construction efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of photovoltaic panel installation, in particular to a photovoltaic array whole hoisting system. BACKGROUND

[0002] Nowadays, in the situation of global warming, human ecological environment deterioration and conventional energy resource shortage, photovoltaic power generation is highly valued in the world. Photovoltaic power generation has many advantages: safe and reliable, no noise, no pollution, energy available everywhere; no regional restrictions, no fuel consumption, easy maintenance, unattended; short construction period, no size limit, etc.

[0003] In order to optimize the use of solar energy resources as much as possible, many power plants choose to build a large number of photovoltaic panels in mountain tops, high plains and other areas without building shelter. However, in the prior art, there are still the following technical defects in the construction of photovoltaic panels in mountainous areas: 1. Due to poor road conditions in high mountainous areas, the mechanical vehicles used for hoisting not only have difficulty in climbing and have safety risks of high-altitude operation, but also have high construction cost; 2. Generally, single hoisted photovoltaic panels are installed on the support by manual installation, which is not only time-consuming and laborious, but also has long construction period and low efficiency. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a photovoltaic array whole hoisting system which is more convenient and efficient to build and install.

[0005] In order to solve the above technical problems, the present application adopts the following technical scheme: a photovoltaic array whole hoisting system, comprising a hoisting assembly, a prefabricated unit and a support unit;

[0006] The support unit comprises a supporting frame, an installation frame assembly and a fixing assembly, the installation frame assembly is inclinedly welded on the top of the supporting frame, and the fixing assembly has a plurality of fixing assemblies which are uniformly distributed on the installation frame assembly;

[0007] The hoisting assembly comprises a first gantry, a second gantry and a guide slide plate, the guide slide plate has a pair of guide slide plates which are spaced apart and connected between the top of the first gantry and the second gantry, the prefabricated unit can be hoisted upward via a pulley block module provided on the first gantry and inclinedly slide downward along the guide slide plate until it overlaps the installation frame assembly;

[0008] The prefabricated unit comprises a plurality of photovoltaic assemblies which can be spliced to form an array structure, any adjacent four photovoltaic assemblies spliced in a mouth-shaped type have a gap in the middle, and the fixing assembly can slide out of the gap and fold to press the photovoltaic assembly.

[0009] Further, the photovoltaic assembly comprises a photovoltaic panel, a surrounding frame, a first splicing and a second splicing, the surrounding frame surrounds the four sides of the photovoltaic panel, the first splicing or the second splicing has two parts which can form an L shape or an inverted L shape, two first splicings are fixed at the left end and the bottom end of the front side of the surrounding frame respectively, and two second splicings are fixed at the right end and the top end of the back side of the surrounding frame respectively, and the thickness of the first splicing and the second splicing is 1 / 2 of the thickness of the surrounding frame.

[0010] Further, a plurality of positioning holes are uniformly and spaced apart on the first splicing, and a plurality of bolt positioning columns are fixed on the second splicing;

[0011] The first splicing and the second splicing of two adjacent photovoltaic assemblies can be spliced by overlapping up and down, and the bolt positioning column and the positioning hole are matched, and the height of the bolt positioning column is greater than the hole depth of the positioning hole, and the high part can be matched with a nut.

[0012] Further, the mounting frame assembly comprises a mounting frame, longitudinal rods and transverse rods, the longitudinal rods and the transverse rods are all in plurality and are fixed and welded in the mounting frame in a cross shape, and the fixing assembly is fixed and welded at the position where the longitudinal rods and the transverse rods cross.

[0013] Further, the fixing assembly comprises an outer guide square tube and an inner fixed square tube, the inner fixed square tube is slidably installed inside the outer guide square tube, the outer section size of the inner fixed square tube matches the inner section size of the outer guide square tube, the height of the inner fixed square tube is greater than 2 times the height of the outer guide square tube, a first sliding groove is longitudinally and centrally formed at the lower end of the side wall of the inner fixed square tube, two second sliding grooves are transversely and spaced apart formed at the lower end of the side wall of the outer guide square tube, and a tension strip is slidably connected between the first sliding groove and the second sliding groove.

[0014] Further, a fold is transversely and centrally arranged on each of the four circumferential surfaces of the inner fixed square tube, the inner fixed square tube is split from top to bottom at the junction of two adjacent surfaces until the fold, forming four plates which can form a cross shape with the section of the inner fixed square tube when unfolded;

[0015] The inner fixed square tube can slide upwards along the outer guide square tube and pass through the notch until the fold is exposed, and the plate can be folded down and fixed on the photovoltaic assembly.

[0016] Further, the support unit further comprises a limiting frame in U-shaped structure fixed around the periphery of the mounting frame, the front face of the limiting frame is fixed with a flange panel for limiting and supporting the prefabricated unit, the flange panel is in U-shaped structure and integrally formed with the limiting frame.

[0017] Further, the support unit further comprises a pre-buried concrete poured into the ground, the support frame comprises a plurality of support rods vertically pre-fixed into the pre-buried concrete and a reinforcing rib fixedly connected between two adjacent support rods.

[0018] Further, the second gantry is erected and close to the support frame, the first gantry is erected and away from the support frame, the height of the first gantry is greater than the height of the second gantry, and the height of the second gantry is consistent with the height of the top inclined end of the mounting frame from the ground;

[0019] The guide sliding plate comprises mounting foot plates fixed at both ends and receiving sliding plates fixed at the inward side end, the two mounting foot plates are respectively fixed at the top of the first gantry and the second gantry, so that a pair of guide sliding plates are inclinedly connected between the first gantry and the second gantry and form an inclined surface, and the two receiving sliding plates are adjacent and spaced apart, and the lower ends are communicated to the opening position of the top inclined end of the limiting frame.

[0020] Further, the hoisting assembly further comprises a lifting rope for binding the prefabricated unit, the lifting rope is hung at the lower end of the pulley block module and can be pulled upward to between a pair of guide sliding plates under the operation of the pulley block module, until the prefabricated unit falls on the two spaced-apart receiving sliding plates.

[0021] The beneficial effects of the present application are embodied in:

[0022] In the present application, a plurality of photovoltaic modules can be fixed in an array structure of a prefabricated unit, which can be hoisted upward as a whole under the traction of the hoisting assembly and can slide downward along the guide sliding plate until it is in contact with and overlaps the mounting frame assembly, the fixing assembly penetrates the gap and covers the photovoltaic module to complete the fixing. The prefabricated unit is installed on the support unit by the whole splicing and sliding hoisting method, which replaces the traditional method of installing single photovoltaic modules one by one by manual work. The whole system is more rapid, convenient, time-saving and labor-saving in terms of splicing and forming of the prefabricated unit, building and fixing of the hoisting assembly and the support unit, hoisting of the prefabricated unit and assembly and fixing with the support unit, which greatly improves the construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is the overall structure side view of an embodiment of the present application.

[0024] Figure 2 is the front view of the lifting assembly of an embodiment of the present application.

[0025] Figure 3 is the schematic diagram of the whole structure of a pair of guide slides of an embodiment of the present application.

[0026] Figure 4 is the plan view of the prefabricated unit and the support unit after assembly of an embodiment of the present application.

[0027] Figure 5 is the plan view of the support unit of an embodiment of the present application.

[0028] Figure 6 is the plan view of the mounting rack assembly of an embodiment of the present application.

[0029] Figure 7 is the plan view of the prefabricated unit of an embodiment of the present application.

[0030] Figure 8 is the schematic diagram of the whole structure of the limiting frame of an embodiment of the present application.

[0031] Figure 9 is the schematic diagram of the whole structure of the photovoltaic assembly of an embodiment of the present application.

[0032] Figure 10 is the side view of the photovoltaic assembly of an embodiment of the present application.

[0033] Figure 11 is the side view of the inner fixed square tube of an embodiment of the present application.

[0034] Figure 12 is the plan view of the inner fixed square tube in the state of the unexpanded pressing plate of an embodiment of the present application.

[0035] Figure 13 is the plan view of the inner fixed square tube in the state of the expanded pressing plate of an embodiment of the present application.

[0036] Figure 14 is the assembly schematic diagram of the inner fixed square tube and the outer guide square tube of an embodiment of the present application.

[0037] Figure 15 is the sliding schematic diagram of the inner fixed square tube along the outer guide square tube of an embodiment of the present application.

[0038] The labels of the components in the drawings are as follows: 1, hoisting assembly; 2, prefabricated unit; 3, support unit; 4, first gantry; 5, second gantry; 6, guide slide plate; 601, mounting foot plate; 602, receiving slide plate; 7, pulley block module; 8, hoisting rope; 9, photovoltaic assembly; 10, photovoltaic panel; 11, enclosure frame; 12, first splicing edge; 1201, positioning hole; 13, second splicing edge; 1301, bolt positioning column; 14, support frame; 15, pre-buried concrete; 16, mounting frame assembly; 17, limiting frame; 1701, flange panel; 18, mounting frame; 19, vertical rod; 20, horizontal rod; 21, fixing assembly; 22, outer guide square tube; 2201, first sliding groove; 23, inner fixing square tube; 2301, second sliding groove; 2302, crease; 2303, pressing plate; 24, stay. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. It should be noted that if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, "multiple" refers to two or more.

[0040] Reference Figures 1-15 .

[0041] The present application provides a photovoltaic array whole hoisting system, comprising a hoisting assembly 1, a prefabricated unit 2 and a support unit 3;

[0042] The support unit 3 comprises a support frame 14, a mounting frame assembly 16 and a fixing assembly 21, the mounting frame assembly 16 is inclinedly welded on the top of the support frame 14, and the fixing assembly 21 has a plurality of, which are uniformly distributed on the mounting frame assembly 16;

[0043] The hoisting assembly 1 comprises a first gantry 4, a second gantry 5 and a guide slide plate 6, the guide slide plate 6 has a pair of spaced distribution, which are connected between the top of the first gantry 4 and the second gantry 5, and the prefabricated unit 2 can be hoisted upward via the pulley block module 7 provided on the first gantry 4 and slide downward obliquely along the guide slide plate 6 until overlapping on the mounting frame assembly 16;

[0044] The prefabricated unit 2 comprises a plurality of photovoltaic components 9 which can be spliced to form an array structure, and any four adjacent photovoltaic components 9 spliced in a mouth-shaped form have a gap in the middle, and the fixing component 21 can slide through the gap and fold to press the photovoltaic component 9.

[0045] In the present application, a plurality of photovoltaic components can be spliced to form a prefabricated unit in an array structure, which can be hoisted upward as a whole under the traction of a hoisting component, and can be inclined and slid downward along a guide slide plate until it is in contact with and overlaps the mounting rack component, and the fixing component passes through the gap and covers the photovoltaic component to complete the fixing. The prefabricated unit is installed on the support unit by the whole splicing and sliding hoisting method, which replaces the traditional method of installing single photovoltaic components one by one by manual work. The whole system is more convenient, time-saving and labor-saving in terms of splicing and forming of the prefabricated unit, building and fixing of the hoisting component and the support unit, hoisting of the prefabricated unit and assembly and fixing with the support unit, and greatly improves the construction efficiency.

[0046] In an embodiment, the photovoltaic component 9 comprises a photovoltaic panel 10, an enclosure frame 11 surrounding the four sides of the photovoltaic panel 10, a first splicing and edge joint 12, and a second splicing and edge joint 13. The first splicing and edge joint 12 or the second splicing and edge joint 13 has two parts which can form an L-shaped or inverted L-shaped form. The two first splicing and edge joints 12 are fixed to the left end and the bottom end of the front side of the enclosure frame 11, and the two second splicing and edge joints 13 are fixed to the right end and the top end of the back side of the enclosure frame 11. The thickness of the first splicing and edge joint 12 and the second splicing and edge joint 13 is half of the thickness of the enclosure frame 11.

[0047] A plurality of positioning holes 1201 are uniformly and spacedly provided on the first splicing and edge joint 12, and a plurality of bolt positioning columns 1301 are uniformly and fixedly provided on the second splicing and edge joint 13.

[0048] The first splicing and edge joint 12 and the second splicing and edge joint 13 are overlapped, and the bolt positioning column 1301 and the positioning hole 1201 are matched to complete the splicing between the two adjacent photovoltaic components 9. The height of the bolt positioning column 1301 is greater than the hole depth of the positioning hole 1201, and the protruding part can be matched with a nut.

[0049] In this way, the plurality of photovoltaic components 9 are spliced into the final prefabricated unit 2 in the above manner. Since the thicknesses of the first splicing edge 12 and the second splicing edge 13 are each half the thickness of the enclosing frame 11, and the first splicing edge 12 and the second splicing edge 13 are fixed to the edges of the enclosing frame 11 near the front and the back respectively, the first splicing edge 12 and the second splicing edge 13 can be overlapped and fitted in the splicing process, and the thicknesses of the first splicing edge 12, the second splicing edge 13 and the enclosing frame 11 are consistent, so that the overall flatness of the prefabricated unit 2 is ensured. The bolt positioning column 1301 is matched with a nut after passing through the positioning hole 1201, thereby playing a positioning role in the splicing process and a fastening role after the splicing, and the overall stability of the prefabricated unit 2 is ensured.

[0050] In the construction process, the workers can splice a plurality of photovoltaic components 9 into the prefabricated unit 2 in the above manner in advance, and use a cableway to transport the prefabricated unit 2 from the foot of the mountain to the top of the mountain, or the workers can transport a plurality of photovoltaic components 9 from the foot of the mountain to the top of the mountain using a cableway, and then complete the splicing.

[0051] In an embodiment, the mounting rack assembly 16 includes a mounting frame 18, longitudinal rods 19 and transverse rods 20. The longitudinal rods 19 and the transverse rods 20 are each provided in a plurality of rods and are fixed and welded in a cross shape in the mounting frame 18. The fixing assembly 21 is fixed and welded at a position where the longitudinal rods 19 and the transverse rods 20 intersect each other.

[0052] The cross-sectional size of the prefabricated unit 2 is equal to the cross-sectional size of the mounting frame 18.

[0053] In this way, the mounting rack assembly 16 has a simple welding structure and low cost, and the mounting rack assembly 16 is obliquely welded on the support frame 14. When the prefabricated unit 2 is hoisted onto the mounting frame 18, the mounting rack assembly 16 is matched in size with the prefabricated unit 2.

[0054] In an embodiment, the fixing assembly 21 includes an outer guide square tube 22 and an inner fixed square tube 23. The inner fixed square tube 23 is slidingly installed inside the outer guide square tube 22. The outer cross-sectional size of the inner fixed square tube 23 is matched with the inner cross-sectional size of the outer guide square tube 22. The height of the inner fixed square tube 23 is greater than twice the height of the outer guide square tube 22. A first sliding groove 2201 is longitudinally and centrally formed in the lower end of the side wall of the inner fixed square tube 23. Two second sliding grooves 2301 are transversely and spaced apart formed in the lower end of the side wall of the outer guide square tube 22. A tension strip 24 is slidingly connected between the first sliding groove 2201 and the second sliding groove 2301.

[0055] The inner fixed square tube 23 is provided with a fold 2302 around the middle of the transverse surface. The inner fixed square tube 23 is split from top to bottom at the junction of two adjacent surfaces until the position of the fold 2302, forming four plates 2303 which can form a cross section with the inner fixed square tube 23.

[0056] The inner fixed square tube 23 can slide upwards along the outer guiding square tube 22 and pass through the notch until the fold 2302 is exposed. The plate 2303 can be folded downwards to press and fix on the photovoltaic assembly 9.

[0057] In this way, in the normal state, the inner fixed square tube 23 naturally droops, and under the limiting action of the stay 24, the inner fixed square tube 23 does not separate from the outer guiding square tube 22, and the upper end of the inner fixed square tube 23 is still slidingly installed in the outer guiding square tube 22. When the prefabricated unit 2 is placed on the mounting rack assembly 16, the inner fixed square tube 23 is pulled upwards or lifted until the upper end of the inner fixed square tube 23 passes out of the notch, the plate 2303 is folded outward along the fold 2302, and the edge of the photovoltaic plate 10 is pressed and can be further fastened with a pin or a nail on the first splicing edge 12 or the second splicing edge 13.

[0058] In an embodiment, the support unit 3 further comprises a limiting frame 17 which is in a U-shaped structure and is fixed around the periphery of the mounting frame 18. The front surface of the limiting frame 17 is fixed with a flange panel 1701 for limiting and supporting the prefabricated unit 2. The flange panel 1701 is in a U-shaped structure and is integrally formed with the limiting frame 17.

[0059] In this way, the length of the open top of the limiting frame 17 is a1, the thickness of the limiting frame 17 is b1, the cross-sectional length of the prefabricated unit 2 is a2, and the thickness of the prefabricated unit 2 is b2. a1 is equal to a2, and b1 is greater than the sum of b2 and the thickness of the mounting frame 18. The prefabricated unit 2 can be fitted on the upper surface of the mounting rack assembly 16, inserted into the limiting frame 17 and inclinedly slid downwards until it abuts against the bottom end of the flange panel 1701. Under the limiting support of the limiting frame 17 and the fixed pressing action of the fixed assembly 21, the prefabricated unit 2 is fixed on the mounting rack assembly 16. The assembly method is simple and easy to install and disassemble.

[0060] In an embodiment, the support unit 3 further comprises a pre-buried concrete 15 buried in the ground, the support frame 14 comprises a plurality of support rods vertically pre-fixed in the pre-buried concrete 15 and a reinforcing rib transversely fixedly connected between two adjacent support rods;

[0061] In this way, when the system is built, the pre-buried concrete 15 and the support frame 14 are pre-buried on the mountain first, the top section of the support frame 14 is inclined, and the mounting frame assembly 16 is obliquely fixedly welded on the support frame 14, which helps the prefabricated unit 2 to form a better angle for receiving light.

[0062] In an embodiment, the second gantry 5 is erected close to the support frame 14, the first gantry 4 is erected away from the support frame 14, the height of the first gantry 4 is greater than the height of the second gantry 5, and the height of the second gantry 5 is consistent with the height of the inclined top end of the mounting frame 18;

[0063] The guide sliding plate 6 comprises mounting foot plates 601 fixed at both ends and receiving sliding plates 602 fixed at the inward side ends, the two mounting foot plates 601 are respectively fixed at the top of the first gantry 4 and the second gantry 5, so that a pair of guide sliding plates 6 are obliquely connected between the first gantry 4 and the second gantry 5 and form an inclined surface, and the two receiving sliding plates 602 are adjacent and both communicate with the inclined top end opening position of the limiting frame 17;

[0064] In this way, the lower ends of the pair of guide sliding plates 6 are respectively spaced and arranged on the second gantry 5, the distance between the two mounting foot plates 601 at the lower ends is a3, a3 is equal to a1 and a2, the upper ends of the pair of guide sliding plates 6 are respectively spaced and arranged on the first gantry 4, the distance between the two mounting foot plates 601 at the upper ends is greater than a3, and the pair of guide sliding plates 6 are obliquely arranged between the two gantries erected in front and back, so that the prefabricated unit 2 can be obliquely slid downward along the guide sliding plate 6 to the mounting frame assembly 16 after being lifted, which is more convenient and labor-saving.

[0065] In an embodiment, the lifting assembly 1 further comprises a lifting rope 8 for binding the prefabricated unit 2, the lifting rope 8 is arranged at the lower end of the pulley block module 7 and can pull the prefabricated unit 2 upward between the pair of guide sliding plates 6 along with the operation of the pulley block module 7 until the prefabricated unit 2 falls on the two receiving sliding plates 602 arranged in between;

[0066] Thus, the length of the receiving slide plate 602 is less than that of the guide slide plate 6, the width of the receiving slide plate 602 is greater than that of the guide slide plate 6, and the thickness of the receiving slide plate 602 is less than that of the guide slide plate 6. During hoisting, the workers bind the prefabricated unit 2 lying on the ground with the lifting rope 8, the prefabricated unit 2 is hoisted upward under the traction of the pulley block module 7 until it extends between the two receiving slide plates 602, then the workers help the prefabricated unit 2 to fall stably onto the receiving slide plates 602, the pulling rope of the pulley block module 7 is loosened, and the prefabricated unit 2 can slide along the receiving slide plates 602 until it is inserted into the limiting frame 17 and overlaps on the mounting rack assembly 16.

[0067] After the hoisting assembly 1 completes the hoisting and assembly of a group of prefabricated units 2 and support units 3, it can be transported to the next installation station for hoisting work.

[0068] It should be understood that the examples and embodiments described herein are only for illustration and are not intended to limit the present application, and those skilled in the art can make various modifications or changes according to it, any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A photovoltaic array overall hoisting system, characterized in that: It includes hoisting components (1), prefabricated units (2) and support units (3); The support unit (3) includes a support frame (14), a mounting frame assembly (16) and a fixing assembly (21). The mounting frame assembly (16) is obliquely welded to the top of the support frame (14). There are multiple fixing assemblies (21) evenly distributed on the mounting frame assembly (16). The hoisting assembly (1) includes a first gantry (4), a second gantry (5) and a guide plate (6). The guide plate (6) has a pair of spaced-apart plates, both connected between the tops of the first gantry (4) and the second gantry (5). The prefabricated unit (2) can be hoisted upward via the pulley block module (7) provided on the first gantry (4) and slide downward along the guide plate (6) until it overlaps on the mounting frame assembly (16). The prefabricated unit (2) includes multiple photovoltaic modules (9) that can be spliced ​​to form an array structure. Any four adjacent photovoltaic modules (9) spliced ​​in a square shape have a gap in the center. The fixing component (21) can slide out of the gap and fold down to press down the photovoltaic module (9). The fixing component (21) includes an outer guide square tube (22) and an inner fixing square tube (23). The inner fixing square tube (23) is slidably installed inside the outer guide square tube (22). The outer cross-sectional size of the inner fixing square tube (23) matches the inner cross-sectional size of the outer guide square tube (22). The height of the inner fixing square tube (23) is greater than twice the height of the outer guide square tube (22). A first sliding groove (2201) is longitudinally centered at the lower end of the side wall of the inner fixing square tube (23). Two second sliding grooves (2301) are transversely spaced at the lower end of the side wall of the outer guide square tube (22). A tie rod (24) is slidably connected between the first sliding groove (2201) and the second sliding groove (2301). The inner fixed square tube (23) has horizontal folds (2302) arranged in the center on all four sides, which can form a circle. The inner fixed square tube (23) is split from top to bottom at the junction of two adjacent sides until it splits to the position of the folds (2302), forming four pressure plates (2303) that can be unfolded to form a cross shape with the cross section of the inner fixed square tube (23). The inner fixed square tube (23) can slide upward along the outer guide square tube (22) and pass through the notch until the crease (2302) is exposed. The pressure plate (2303) can be folded down and pressed onto the photovoltaic module (9) and fixed.

2. The photovoltaic array overall hoisting system as described in claim 1, characterized in that: The photovoltaic module (9) includes a photovoltaic panel (10), an enclosure frame (11), a first splicing edge (12), and a second splicing edge (13). The enclosure frame (11) surrounds the four sides of the photovoltaic panel (10). The first splicing edge (12) or the second splicing edge (13) has two edges that can form an L-shape or an inverted L-shape. The two first splicing edges (12) are fixed to the left and bottom ends of the enclosure frame (11) near the front. The two second splicing edges (13) are fixed to the right and top ends of the enclosure frame (11) near the back. The thickness of the first splicing edge (12) and the second splicing edge (13) is half the thickness of the enclosure frame (11).

3. The photovoltaic array overall hoisting system as described in claim 2, characterized in that: The first splicing edge (12) is provided with a plurality of positioning holes (1201) evenly spaced apart, and the second splicing edge (13) is provided with a plurality of bolt positioning posts (1301) evenly spaced apart. The two adjacent photovoltaic modules (9) can be spliced ​​together by overlapping the first splicing edge (12) and the second splicing edge (13) and interlocking the bolt positioning post (1301) and the positioning hole (1201). The height of the bolt positioning post (1301) is greater than the depth of the positioning hole (1201), and the protruding part can be matched with the nut.

4. The photovoltaic array overall hoisting system as described in claim 1, characterized in that: The mounting bracket assembly (16) includes a mounting frame (18), longitudinal bars (19) and transverse bars (20). There are multiple longitudinal bars (19) and transverse bars (20), which are fixedly welded in a cross shape inside the mounting frame (18). The fixing component (21) is fixedly welded at the position where the longitudinal bars (19) and the transverse bars (20) intersect.

5. The photovoltaic array overall hoisting system as described in claim 4, characterized in that: The support unit (3) also includes a limiting frame (17), which has a U-shaped structure and is fixedly arranged around the periphery of the mounting frame (18). The front of the limiting frame (17) is fixed with a flange panel (1701) for limiting and supporting the prefabricated unit (2). The flange panel (1701) has a U-shaped structure and is integrally formed with the limiting frame (17).

6. The photovoltaic array overall hoisting system as described in claim 1, characterized in that: The support unit (3) also includes pre-embedded concrete (15) poured underground. The support frame (14) includes multiple support rods and reinforcing bars. The support rods are vertically fixed to the pre-embedded concrete (15), and the reinforcing bars are horizontally fixed between two adjacent support rods.

7. The photovoltaic array overall hoisting system as described in claim 5, characterized in that: The second gantry (5) is erected and close to the support frame (14), the first gantry (4) is erected and far from the support frame (14), the height of the first gantry (4) is greater than the height of the second gantry (5), and the height of the second gantry (5) is consistent with the height of the top of the inclined surface of the mounting frame (18) from the ground; The guide slide (6) includes mounting feet (601) fixed at both ends and receiving slide (602) fixed at the inner end. The two mounting feet (601) are respectively fixed to the top of the first gantry (4) and the second gantry (5), so that a pair of guide slides (6) are inclinedly connected between the first gantry (4) and the second gantry (5) to form a ramp. The two receiving slides (602) are adjacent to each other and their lower ends are connected to the top opening of the ramp of the limiting frame (17).

8. The photovoltaic array overall hoisting system as described in claim 7, characterized in that: The hoisting assembly (1) also includes a hoisting rope (8) for binding the prefabricated unit (2). The hoisting rope (8) is suspended at the lower end of the pulley block module (7) and can pull the prefabricated unit (2) upward between a pair of guide slide plates (6) as the pulley block module (7) operates, until the prefabricated unit (2) falls on the two spaced receiving slide plates (602).

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