Flexible photovoltaic system steel cable connector and photovoltaic panel installation method

Abstract

The invention discloses a flexible photovoltaic system steel cable connector and a photovoltaic panel installation method.The flexible photovoltaic system steel cable connector comprises a supporting seat and a locking seat, the locking seat is installed at the bottom of the supporting seat through a bolt, the supporting seat comprises a bottom plate, side plates extending upwards are fixedly arranged on the two sides of the bottom plate respectively, and supporting plates are fixedly arranged on the outer sides of the upper ends of the side plates on the two sides respectively; a groove is formed between the side plates on the two sides, two auxiliary plates are arranged in the groove in a spaced mode, and a channel is formed in the position, between the two auxiliary plates, of the bottom plate. A roller is further included, the roller is rotationally installed on the two auxiliary plates through a center shaft of the roller, and a part of the roller penetrates through the channel; a separation structure is arranged on the auxiliary plate, and when the pressure borne by the rolling wheel exceeds a threshold value, the rolling wheel is separated from the auxiliary plate or the auxiliary plate is separated from the supporting seat. And when the photovoltaic panel is installed, a scaffold does not need to be built, so that the construction difficulty is reduced, and meanwhile, the operation construction amount is also reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of flexible photovoltaic installation, in particular to a flexible photovoltaic system cable connector and a photovoltaic panel installation method. BACKGROUND

[0002] The flexible photovoltaic system is a photovoltaic power generation system by installing photovoltaic panels on a tensioned cable. Compared with the ordinary photovoltaic support installation structure, the flexible photovoltaic system can be applied to mountain slopes where it is inconvenient to construct a photovoltaic support foundation, or to environments with large ground undulations.

[0003] At present, when installing photovoltaic panels of a flexible photovoltaic system, a connector similar to that disclosed in CN216122288U is used. This connector has a simple structure and low cost, but has the following disadvantages: when actually installing photovoltaic panels of a flexible photovoltaic system, a scaffold needs to be built along the cable to install and fix the connector to the cable. In mountainous environments or environments with large ground undulations, it is difficult to build a scaffold due to the uneven ground of the mountain slope, and the operation construction amount is very large because the scaffold needs to be built along the cable. SUMMARY

[0004] The purpose of the present application is to provide a flexible photovoltaic system cable connector to facilitate the movement of photovoltaic panels on the cable.

[0005] Another purpose of the present application is to provide a photovoltaic panel installation method for a flexible photovoltaic system. This installation method uses the flexible photovoltaic system cable connector of the present application, and does not need to build a scaffold when installing photovoltaic panels, thereby reducing the construction difficulty and the operation construction amount.

[0006] To achieve the above purpose, the present application provides a flexible photovoltaic system cable connector, which comprises a support seat and a locking seat. The locking seat is installed at the bottom of the support seat by bolts. The support seat comprises a bottom plate. Two side plates are fixed on the two sides of the bottom plate and extend upward. A supporting plate is fixed on the outer side of the upper end of each side plate. A groove is formed between the two side plates. Two auxiliary plates are arranged in the groove at intervals. A passage is arranged on the bottom plate between the two auxiliary plates. A roller is rotatably installed on the two auxiliary plates by a central shaft, and a part of the roller passes through the passage. The auxiliary plate is provided with a disengagement structure. When the pressure received by the roller exceeds a threshold value, the roller is disengaged from the auxiliary plate or the auxiliary plate is disengaged from the support seat.

[0007] The disengagement structure comprises a first limiting hole and a disengagement groove arranged on the auxiliary plate. The disengagement groove is located on the upper side of the first limiting hole, and the width of the disengagement groove is smaller than the diameter of the first limiting hole. The central shaft is installed in the first limiting hole.

[0008] The disengagement structure further comprises a collapse groove arranged on the auxiliary plate, and the collapse groove is arranged on one side or both sides of the disengagement groove.

[0009] The disengagement structure comprises a second limiting hole arranged on the auxiliary plate, and the outer side of the auxiliary plate is provided with a brittle fracture part connected with the support base.

[0010] The brittle fracture part comprises a transverse connecting part for connecting with the side plate and / or a longitudinal connecting part for connecting with the bottom plate.

[0011] The recess of the support base is provided with a reinforcing part on both sides of the corresponding channel.

[0012] The side plate is provided with an extension plate extending upward on the side away from the bottom plate.

[0013] The two end faces of the roller are respectively fixedly provided with a central shaft, or the roller is provided with a central hole in the axial direction, the central shaft penetrates into the central hole of the roller, and the central shaft is rotationally and connectingly arranged with the roller.

[0014] The outer circumferential surface of the roller is provided with a ring groove.

[0015] A photovoltaic panel installation method of a flexible photovoltaic system adopts the flexible photovoltaic system cable connector, and the photovoltaic panel installation method comprises the following steps: S1, a plurality of flexible photovoltaic system cable connectors are respectively installed on at least two tensioned cables of the flexible photovoltaic system and at one end or both ends of the cable, when installing, the support base is placed on the cable, and then the locking base is installed on the bottom of the bottom plate of the support base by bolts, at this time, the bolts are in an untightened state, and the cable is located between the roller and the locking base; S2, a photovoltaic panel is installed between two adjacent flexible photovoltaic system cable connectors on the cable, when installing, the frame of the photovoltaic panel is placed on the supporting plates of the two flexible photovoltaic system cable connectors, and the supporting plates and the frame of the photovoltaic panel are connected and fixed by fasteners; S3, a plurality of photovoltaic panels form a group, when the photovoltaic panels in the group are all installed on the flexible photovoltaic system cable connectors on the cable, the photovoltaic panels are pulled by a pulling tool; S4, during the pulling process, the weight of the photovoltaic panel is supported on the roller, the roller rolls on the cable, so that the group of photovoltaic panels is pulled to a designated position in the middle of the cable; S5, the worker uses an extended socket wrench to tighten the nut on the bolt on the ground to connect and fix the flexible photovoltaic system cable connector and the cable; during the process of tightening the nut, the locking base tightly holds the cable, the cable is pressed against the roller, when the pressure on the roller exceeds a threshold value, the roller is disengaged from the auxiliary plate or the auxiliary plate is disengaged from the support base. S6, using the lengthened rod with the magnet on the top, taking out the roller in the flexible photovoltaic system cable connector groove on the ground through the magnet for the installation and reuse of the subsequent photovoltaic panel group.

[0016] Compared with the prior art, the present application has the following technical effects: 1、The support seat of the present application is provided with a roller, when the bolt is not tightened, the roller abuts against the cable, the roller rolls on the cable, so that the connector moves on the cable, thereby facilitating the movement of the photovoltaic panel on the cable to the preset position. Then, the nut on the bolt is tightened, in the tightening process, the locking seat tightly holds the cable, the cable extrudes the roller, when the pressure on the roller exceeds the threshold value, the roller is separated from the auxiliary plate or the auxiliary plate is separated from the support seat, the support seat and the locking seat are in hard contact with the cable, thereby connecting and fixing the flexible photovoltaic system cable connector with the cable. When installing the photovoltaic panel, the photovoltaic panel is pulled by a pulling tool, so that the staff pulls the photovoltaic panel on the cable on the ground, after pulling to the specified position, the nut on the bolt is tightened on the ground by using the lengthened socket wrench, the flexible photovoltaic system cable connector is connected and fixed with the cable, so that the installation of the photovoltaic panel does not need to build a scaffold, the construction difficulty is reduced, and the operation construction amount is also reduced.

[0017] 2、The present application adopts the lengthened rod with the magnet on the top, taking out the roller in the flexible photovoltaic system cable connector groove on the ground through the magnet, the removed roller is used for the installation and reuse of the subsequent photovoltaic panel group.

[0018] 3、The hard holding and fixing of the support seat and the locking seat to the cable forms the core wind-resistant foundation, cooperates with the rigid connection of the photovoltaic panel and the supporting plate and the limiting of the extension plate, avoids loosening or sliding under the wind load; the single photovoltaic panel is fixed by multiple connectors, and the wind load is dispersed by the flexible support system combined with the pre-tensioning of the cable, thereby reducing the single-point overload and rigid impact; the roller is separated to eliminate the wind vibration of the movable part, the compact structure reduces the wind resistance, and the system consistency guaranteed by the construction specification forms the wind-resistant system of "rigid locking, anti-displacement, structure strengthening, anti-deformation, stress dispersion, risk reduction, and wind vibration reduction", which is suitable for long-term stable operation in complex outdoor wind environment. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced.

[0020] Figure 1 It is a top structure diagram of the connector of the present application.

[0021] Figure 2 It is a bottom structure diagram of the connector of the present application.

[0022] Figure 3 Fig. 1 is a front view of the connector of the present application.

[0023] Figure 4 Fig. 2 is a perspective view of the support seat of the present application.

[0024] Figure 5 Fig. 3 is a front view of the support seat of the present application, showing a first embodiment of the disengagement structure.

[0025] Figure 6 Fig. 4 is a front view of the support seat of the present application, showing a second embodiment of the disengagement structure.

[0026] Figure 7 Fig. 5 is a perspective view of the locking seat of the present application.

[0027] Figure 8 Fig. 6 is a perspective view of the roller of the present application.

[0028] Figure 9 Fig. 7 is a perspective view of the connector of the present application installed on a steel cable.

[0029] Figure 10 Fig. 8 is a view of the structure of the roller disengagement auxiliary plate of the present application.

[0030] Reference signs: support seat 10, bottom plate 11, passage 111, side plate 12, recess 13, support plate 14, mounting hole 15, extension plate 16, auxiliary plate 17, second limiting hole 171, first limiting hole 172, disengagement groove 173, collapse groove 174, brittle fracture portion 175, transverse connecting portion 176, longitudinal connecting portion 177, reinforcing portion 18, insertion hole 19; locking seat 20, arc groove portion 21, extension section 22, locking hole 23; bolt 30; roller 40, ring groove 41, central shaft 42; steel cable 50; extension rod 60, magnet 61. DETAILED DESCRIPTION

[0031] Embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, the embodiments described below by reference to the accompanying drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0032] Example 1: Referring to Figures 1-8The utility model provides a flexible photovoltaic system cable connector, including support seat 10 and locking seat 20, locking seat 20 is installed through bolt 30 at the bottom of support seat 10, support seat 10 includes bottom plate 11, and the both sides of bottom plate 11 are fixed with the side plate 12 that stretches upwards respectively, and the upper end outside of both sides side plate 12 is fixed with the supporting plate 14 respectively, and the recess 13 is formed between the both sides side plate 12, and two auxiliary plates 17 are arranged at intervals in the recess 13, and the passage 111 is arranged on bottom plate 11 between two auxiliary plates 17.

[0033] Still include gyro wheel 40, gyro wheel 40 is rotatably installed on two auxiliary plates 17 through the central shaft 42 of gyro wheel 40, and a part of gyro wheel 40 passes through the passage 111.

[0034] Auxiliary plate 17 is provided with the structure of disengaging, when the pressure that gyro wheel 40 receives exceeds threshold value, gyro wheel 40 is separated with auxiliary plate 17 or auxiliary plate 17 is separated with support seat 10.

[0035] Specifically, locking seat 20 includes arc groove part 21 and extension section 22, two extension sections 22 are connected at the both ends of arc groove part 21 respectively, and locking hole 23 is arranged on extension section 22. Bottom plate 11 is provided with two insertion holes 19, and the pitch of two locking holes 23 and two insertion holes 19 is same, and the screw rod of bolt 30 passes into insertion hole 19 and locking hole 23, and then nut is screwed.

[0036] Supporting plate 14 is used to place photovoltaic panel, specifically, the frame of photovoltaic panel is placed on supporting plate 14, in one scheme, supporting plate 14 is fixed with the frame of photovoltaic panel through self-drilling dovetail screw.In another scheme, supporting plate 14 is provided with mounting hole 15, and supporting plate 14 is bolted with the mounting hole on the frame of photovoltaic panel through mounting hole 15.

[0037] Supporting plate 10 is provided with gyro wheel 40, when bolt 30 is not tightened, gyro wheel 40 abuts against cable 50, and gyro wheel 40 rolls on cable 50, so that the connector moves on cable 50, thereby facilitating the movement of photovoltaic panel to the preset position on cable 50. Then, the nut on bolt 30 is tightened, during the tightening process, locking seat 20 tightly holds cable 50, and cable 50 extrudes gyro wheel 40, when the pressure that gyro wheel 40 receives exceeds threshold value, gyro wheel 40 is separated with auxiliary plate 17 or auxiliary plate 17 is separated with support seat 10, and support seat 10 and locking seat 20 are in hard contact with cable 50, so as to connect and fix the flexible photovoltaic system cable connector with cable 50. Through the above structure, when installing photovoltaic panel, it can not need to build scaffold, thereby reducing construction difficulty, and also reducing operation construction amount.

[0038] And the roller 40 is separated from the bottom plate 11 of the rear support seat 10 and directly contacts the cable 50 through the arc groove of the locking seat 20, and the friction and clamping force generated by the rigid contact rigidly lock the connector and the cable, and the fixing mode avoids the loosening or sliding of the traditional movable connection in the wind, and can effectively resist the horizontal thrust or longitudinal drag force generated by the wind load, and prevent the connector from moving along the cable.

[0039] The photovoltaic panel is rigidly connected with the frame through the supporting plate 14 and is limited laterally by the extension plate 16, so that the photovoltaic panel and the connector are prevented from shaking relative to each other. Under the action of the wind load, the stress of the photovoltaic panel can be directly transmitted to the connector and then dispersed through the cable, so that additional wind resistance or vibration amplification effect caused by loosening of the photovoltaic panel is avoided.

[0040] In the embodiment, referring to Figure 5 , the disengagement structure includes a first limiting hole 172 and a disengagement groove 173 arranged on the auxiliary plate 17, the disengagement groove 173 is located on the upper side of the first limiting hole 172, the width of the disengagement groove 173 is smaller than the diameter of the first limiting hole 172, and the central shaft 42 is installed in the first limiting hole 172.

[0041] When the pressure on the roller 40 exceeds the threshold value, the central shaft 42 of the roller 40 extrudes the disengagement groove 173, deforms the disengagement groove 173, and thus the central shaft 42 is disengaged from the disengagement groove 173.

[0042] Further, referring to Figure 5 , the disengagement structure further includes a collapse groove 174 arranged on the auxiliary plate 17, and the collapse groove 174 is located on one side or both sides of the disengagement groove 173. By arranging the collapse groove 174, the auxiliary plate 17 is facilitated to collapse, so that the disengagement groove 173 is facilitated to deform.

[0043] In the embodiment, except that the bolt 30 and the roller 40 are made of iron or steel, the rest can be made of aluminum alloy.

[0044] Referring to Figure 8 , the two end faces of the roller 40 are respectively fixedly provided with the central shaft 42; or the roller 40 is axially provided with a central hole, the central shaft 42 penetrates the central hole of the roller 40, and the central shaft 42 is rotationally connected with the roller 40. Of course, the central shaft 42 can also be connected with the roller 40 through a bearing.

[0045] Referring to Figure 1 , 4 , the extension plate 16 protruding upward is arranged on the side plate 12 away from the bottom plate 11. The extension plate 16 is arranged to limit the frame of the photovoltaic panel. In use, the frame of the photovoltaic panel is placed on the supporting plate 14, and the frame of the photovoltaic panel abuts against the extension plate 16, so that the installation of each connector parallel to the photovoltaic panel is ensured.

[0046] Further, referring to Figure 8 , the outer circumferential surface of the roller 40 is provided with a ring groove 41. The ring groove 41 is matched with the steel wire 50, so that the roller 40 is limited to be supported on the steel wire 50.

[0047] Embodiment 2: The difference between this embodiment and embodiment 1 is that, referring to Figure 6 , the disengagement structure comprises a second limiting hole 171 arranged on the auxiliary plate 17, and the outer side of the auxiliary plate 17 is provided with a brittle fracture part 175 connected with the support base 10.

[0048] The brittle fracture part 175 comprises a transverse connecting part 176 for connecting with the side plate 12 and / or a longitudinal connecting part 177 for connecting with the bottom plate 11.

[0049] In combination with Figure 6 , the brittle fracture part 175 can be the transverse connecting part 176, and the two sides of the auxiliary plate 17 are respectively provided with the transverse connecting part 176. When the pressure borne by the roller 40 exceeds the threshold value, the transverse connecting part 176 is broken and disengaged. The brittle fracture part 175 can be the longitudinal connecting part 177, and the lower side of the auxiliary plate 17 is provided with the longitudinal connecting part 177. When the pressure borne by the roller 40 exceeds the threshold value, the longitudinal connecting part 177 is broken and disengaged. The brittle fracture part 175 can comprise two transverse connecting parts 176 and one longitudinal connecting part 177. When the pressure borne by the roller 40 exceeds the threshold value, the transverse connecting part 176 and the longitudinal connecting part 177 are both broken and disengaged.

[0050] Both the support strength and the convenience of breaking and disengaging the brittle fracture part 175 when the bolt 30 is tightened are provided.

[0051] Embodiment 3: On the basis of embodiment 1 or embodiment 2, in order to improve the structural strength of the support base 10, referring to Figure 4 , 10 , the support base 10 is provided with a reinforcing part 18 in the groove 13 and on the two sides corresponding to the channel 111. The reinforcing part 18 is just positioned corresponding to the steel cable 50.

[0052] Specifically, referring to Figure 10 , the reinforcing part 18 is located in the ring groove 41.

[0053] Embodiment 4: On the basis of embodiment 1 or 2 or 3, the application further discloses, referring to Figure 2 , 3 , 9, 10, a photovoltaic panel mounting method of a flexible photovoltaic system, which adopts the flexible photovoltaic system steel cable connector. The photovoltaic panel mounting method comprises the following steps: S1, on the at least two tensioned steel cables 50 of the flexible photovoltaic system, and at the one or both ends of the steel cables 50, a plurality of flexible photovoltaic system steel cable connectors are respectively installed, when installing, first place the support seat 10 to the steel cable 50, then install the locking seat 20 to the bottom of the bottom plate 11 of the support seat 10 through the bolt 30, at this time, the bolt 30 is in an untightened state, and the steel cable 50 is located between the roller 40 and the locking seat 20.

[0054] This step is used to movably install the connector on the steel cable 50.

[0055] S2, install the photovoltaic panel between the two adjacent flexible photovoltaic system steel cable connectors on the steel cable 50, when installing, place the frame of the photovoltaic panel on the two side flexible photovoltaic system steel cable connector supporting plates 14, and the frame of the photovoltaic panel is connected and fixed with the supporting plate 14 through the fastener.

[0056] This step is used to install the photovoltaic panel to the connector. In this embodiment, the steel cable 50 is two, and one photovoltaic panel is installed through two connectors on each steel cable 50, that is, one photovoltaic panel is installed through four connectors. S3, a plurality of photovoltaic panels form a group, when the photovoltaic panels in the group are all installed to the flexible photovoltaic system steel cable connector located on the steel cable 50, the photovoltaic panels are pulled through the pulling tool.

[0057] S4, during the pulling process, the weight of the photovoltaic panel is supported on the roller 40, the roller 40 rolls on the steel cable 50, so as to pull the group of photovoltaic panels to the designated position in the middle of the steel cable 50; this step is used to pull the group of photovoltaic panels on the steel cable 50.

[0058] The pulling tool can be a long pull rod with a hook at the end, and the worker walks on the ground while holding the pull rod, and pulls the photovoltaic panel through the hook.

[0059] The pulling tool can also be a hook hung on the frame of the photovoltaic panel, the hook is connected with a cable, the cable extends to the ground, and the worker pulls the cable to pull the photovoltaic panel. After being pulled to the position, the cable is shaken violently to make the hook separate from the photovoltaic panel.

[0060] S5, the worker uses the lengthened socket wrench to tighten the nut on the bolt 30 on the ground, so as to connect and fix the flexible photovoltaic system steel cable connector with the steel cable 50; during the process of tightening the nut, the locking seat 20 tightly holds the steel cable 50, and the steel cable 50 extrudes the roller 40, when the pressure on the roller 40 exceeds the threshold value, the roller 40 is separated from the auxiliary plate 17 or the auxiliary plate 17 is separated from the support seat 10.

[0061] This step is used to connect and fix the flexible photovoltaic system cable connector with the cable 50 by lengthening the sleeve wrench to tighten the bolt 30, and to disconnect the roller 40 from the auxiliary plate 17 or disconnect the auxiliary plate 17 from the support base 10.

[0062] S6, use the lengthened rod 60 with a magnet 61 on the top to take out the roller 40 in the flexible photovoltaic system cable connector groove 13 on the ground through the magnet 61 for subsequent installation and reuse of the photovoltaic panel group.

[0063] It should be noted that the hook can be taken off the photovoltaic panel by shaking the cable. The roller 40 can also be reused.

Claims

1. A flexible photovoltaic system cable connector comprising a support base (10) and a locking base (20), the locking base (20) being mounted on the bottom of the support base (10) by a bolt (30), characterized in that: The support base (10) comprises a bottom plate (11), two side plates (12) extending upwards are respectively fixed on both sides of the bottom plate (11), a supporting plate (14) is respectively fixed on the outer side of the upper end of each of the two side plates (12), a groove (13) is formed between the two side plates (12), two auxiliary plates (17) are arranged in the groove (13) at intervals, and a passage (111) is arranged on the bottom plate (11) between the two auxiliary plates (17); Further comprising a roller (40), the roller (40) is rotatably installed on the two auxiliary plates (17) through a central shaft (42), and a part of the roller (40) penetrates through the passage (111); The auxiliary plate (17) is provided with a disengagement structure, when the pressure borne by the roller (40) exceeds a threshold value, the roller (40) is disengaged from the auxiliary plate (17) or the auxiliary plate (17) is disengaged from the support base (10).

2. The flexible photovoltaic system cable connector of claim 1, wherein: The disengagement structure comprises a first limiting hole (172) and a disengagement groove (173) arranged on the auxiliary plate (17), the disengagement groove (173) is located on the upper side of the first limiting hole (172), the width of the disengagement groove (173) is smaller than the diameter of the first limiting hole (172), and the central shaft (42) is installed in the first limiting hole (172).

3. The flexible photovoltaic system cable connector of claim 2, wherein: The disengagement structure further comprises a collapse groove (174) arranged on the auxiliary plate (17), and the collapse groove (174) is located on one side or both sides of the disengagement groove (173).

4. The flexible photovoltaic system cable connector of claim 1, wherein: The disengagement structure comprises a second limiting hole (171) arranged on the auxiliary plate (17), and a brittle fracture part (175) is arranged on the outer side of the auxiliary plate (17), and the brittle fracture part (175) is connected with the support base (10).

5. The flexible photovoltaic system cable connector of claim 4, wherein: The brittle fracture part (175) comprises a transverse connecting part (176) and / or a longitudinal connecting part (177), the transverse connecting part (176) is used for connecting with the side plate (12), and the longitudinal connecting part (177) is used for connecting with the bottom plate (11).

6. The flexible photovoltaic system cable connector of claim 1, wherein: The groove (13) of the support base (10) is provided with a reinforcing part (18) on both sides corresponding to the passage (111).

7. The flexible photovoltaic system cable connector of claim 1, wherein: The side plate (12) is provided with an extension plate (16) extending upwards on the side away from the bottom plate (11).

8. The flexible photovoltaic system cable connector of claim 1, wherein: Both end faces of the roller (40) are respectively fixed with a central shaft (42); or, the roller (40) is axially provided with a central hole, the central shaft (42) penetrates into the central hole of the roller (40), and the central shaft (42) is rotatably connected with the roller (40).

9. The flexible photovoltaic system cable connector of claim 1, wherein: An annular groove (41) is arranged on the outer circumferential surface of the roller (40).

10. A method of installing photovoltaic panels of a flexible photovoltaic system, characterized by: The flexible photovoltaic system cable connector is adopted, and the photovoltaic panel mounting method comprises the following steps: S1, a plurality of flexible photovoltaic system cable connectors are respectively mounted on at least two tensioned cables (50) of the flexible photovoltaic system and at one end or both ends of the cable (50), when the flexible photovoltaic system cable connector is mounted, the support base (10) is first placed on the cable (50), and then the locking base (20) is mounted on the bottom of the bottom plate (11) of the support base (10) through the bolt (30), at this time, the bolt (30) is in an untightened state, and the cable (50) is located between the roller (40) and the locking base (20); S2, install photovoltaic panels between two adjacent flexible photovoltaic system cable connectors on the steel cable (50), when installing, the frame of the photovoltaic panel is placed on the supporting plate (14) of the two flexible photovoltaic system cable connectors, and the supporting plate (14) and the frame of the photovoltaic panel are connected and fixed by fasteners; S3, a plurality of photovoltaic panels form a group, when the photovoltaic panels in the group are all installed on the flexible photovoltaic system cable connectors on the steel cable (50), the photovoltaic panels are pulled by a pulling tool; S4, during the pulling process, the weight of the photovoltaic panel is supported on the roller (40), the roller (40) rolls on the steel cable (50), so as to pull the group of photovoltaic panels to the designated position in the middle of the steel cable (50); S5, the worker uses an extended socket wrench to tighten the nut on the bolt (30) on the ground, and connects and fixes the flexible photovoltaic system cable connector and the steel cable (50); during the process of tightening the nut, the locking seat (20) tightly holds the steel cable (50), the steel cable (50) presses the roller (40), when the pressure on the roller (40) exceeds the threshold value, the roller (40) is separated from the auxiliary plate (17) or the auxiliary plate (17) is separated from the supporting seat (10); S6, use the extended rod (60) with a magnet (61) on the top to take out the roller (40) in the groove (13) of the flexible photovoltaic system cable connector on the ground through the magnet (61) for subsequent installation and reuse of the photovoltaic panel group.

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