Grounding rivet for photovoltaic power station bracket, and mounting tool

Abstract

Disclosed in the present invention are a grounding rivet for a photovoltaic power station bracket, and a mounting tool. The grounding rivet for a photovoltaic power station bracket comprises a riveting pull rod and a tensioning sleeve; the riveting pull rod comprises a first riveting-press head and a fixing rod portion, a plurality of bumps are provided on the bottom surface of the first riveting-press head, the bumps are used for piercing an insulating layer of a clamped piece to enable the rivet and the clamped piece to be connected and grounded, the fixing rod portion passes through the clamped piece, and an engaging portion is provided on the periphery of the fixing rod portion; the tensioning sleeve is provided with a through hole for the fixing rod portion to pass through, the hole diameter of the through hole is larger than the diameter of the fixing rod portion, the hole diameter of the tensioning sleeve can be reduced by means of the mounting tool, the engaging portion is embedded into the tensioning sleeve for fixation, and the first riveting-press head and an end portion of the tensioning sleeve are respectively located on two sides of the clamped piece to clamp the clamped piece. In the present invention, simply by one step, the rivet can be fixed on the clamped piece, and the rivet can be grounded, so that a conductive grounding effect can be achieved without the need of wiring, the operation steps can be simplified, the grounding effect can be ensured to be effective for a long time, and the situation that the connection of a grounding wire is forgotten can be avoided, allowing the micro-current from an assembly to be transmitted to a photovoltaic bracket via fasteners. By means of the mounting tool of the present invention, the relative movement of the rivet components can be achieved, and the objectives of piercing grounding and riveting-press fixing can be rapidly achieved.

Description

Groundable rivet for photovoltaic power station support and installation tool thereof TECHNICAL FIELD

[0001] The application belongs to the technical field of riveting fixing parts, and specifically relates to a groundable rivet for a photovoltaic power station support and an installation tool thereof. BACKGROUND

[0002] Grounding refers to that a neutral point of a power system and an electrical device, an exposed conductive part of an electrical equipment and an exposed conductive part of a device are connected with the ground via a conductor. In a photovoltaic power station system, the design of grounding is a crucial link in electrical design, and is related to the safety of equipment and personnel of the power station. A good grounding design can guarantee that the power station is in a safe operation environment for a long time, reduce the failure frequency of the power station, and improve the overall operation efficiency of the power station.

[0003] The frame of a solar photovoltaic panel is made of aluminum profiles. Due to the need of processing technology and corrosion resistance, the surface is a non-conductive layer. A traditional grounding mode of a photovoltaic panel of a photovoltaic power station is that a bolt is inserted into a prefabricated hole of a photovoltaic panel frame, and a nut is used to clamp a grounding wire. The other end of the grounding wire is connected with a photovoltaic support, so as to achieve the effect of conductive grounding. The grounding step is complicated, and the wire is exposed on the outside, which is easy to be corroded, so that the grounding wire is invalid, and the grounding is invalid. SUMMARY

[0004] The application aims to provide a groundable rivet for a photovoltaic power station support and an installation tool thereof, so as to solve the problems in the background.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme.

[0006] A groundable rivet for a photovoltaic power station support, comprising a riveting pull rod and a tensioning sleeve.

[0007] The riveting pull rod comprises a riveting head part I and a fixed rod part. The bottom surface of the riveting head part I is provided with a plurality of protrusions. The protrusions are used for piercing the insulating layer of a clamped part, so that the rivet is in communication with the clamped part for grounding. The fixed rod part penetrates through the clamped part, and the outer periphery of the fixed rod part is provided with a clamping part.

[0008] The tensioning sleeve is provided with a through hole through which the fixed rod part penetrates. The diameter of the through hole is greater than the diameter of the fixed rod part. The tensioning sleeve can reduce the diameter through the installation tool, so that the clamping part is embedded in the tensioning sleeve for fixation. Meanwhile, the riveting head part I and the end part of the tensioning sleeve are respectively located on both sides of the clamped part to clamp the clamped part.

[0009] The application has the following beneficial effects.

[0010] The rivet is fixed on the clamped part by only one step, rivet grounding is realized, the operation steps are simplified, the grounding effect is ensured for a long time, the situation that the grounding wire is forgotten is avoided, and the micro-current of the assembly is transmitted to the photovoltaic support through the fastener.

[0011] Further technical solutions, the tensioning sleeve includes riveting head two, one side of the riveting head two corresponds to the riveting head one, and the other side is connected with a fixing sleeve, and three limiting points distributed at 120 degrees are arranged in the fixing sleeve.

[0012] Further technical solutions, the riveting head two is provided with a taper surface at the opening of the through hole.

[0013] Further technical solutions, the clamping part is a screw thread, and the screw thread is arranged along the length direction of the fixing rod part.

[0014] Further technical solutions, the length of the fixing sleeve is less than the length of the fixing rod part.

[0015] An installation tool comprises the grounding rivet and the positioning sleeve.

[0016] The positioning sleeve is provided with a movable groove, and a reduced diameter sleeve is arranged at the end of the movable groove, a deformable fixing part is arranged in the reduced diameter sleeve, one end of the fixing part is used for detachable connection with the fixing rod part, the other end of the fixing part extends into the movable groove through the reduced diameter sleeve and is connected with a power assembly, and the power assembly is also connected with the positioning sleeve, so that the positioning sleeve and the fixing part move oppositely.

[0017] The beneficial effects of the present application are as follows:

[0018] The installation tool can realize relative movement of the rivet part, and the purposes of piercing grounding and riveting fixation are achieved quickly.

[0019] Further technical solutions, the fixing part comprises a connecting seat, a positioning needle and a plurality of connecting columns are fixedly arranged in the connecting seat and pass through the reduced diameter sleeve, the plurality of connecting columns are arranged at intervals around the positioning column, clamping jaws are arranged at the ends of the connecting columns, and the plurality of clamping jaws can be closed into the reduced diameter sleeve.

[0020] Further technical solutions, the connecting seat is connected with the power assembly through an adapter.

[0021] Further technical solutions, the reduced diameter sleeve is detachably connected with the positioning sleeve.

[0022] Other features and advantages of the present application will be described in detail in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1: the use state diagram of the present application.

[0024] Figure 2: the rivet fixing state diagram of the present application before.

[0025] Figure 3: the rivet fixing state diagram of the present application after.

[0026] Figure 4: the tension sleeve top view of the present application.

[0027] Figure 5: the installation tool use state diagram of the present application before.

[0028] Figure 6: the installation tool use state diagram of the present application after.

[0029] Reference signs: 1-rivets, 11-riveted pull rod, 111-riveting head part one, 112-fixed rod part, 113-bumps, 114-clamping part, 12-tension sleeve, 121-through hole, 122-riveting head part two, 123-fixed sleeve, 124-limit point, 21-positioning outer sleeve, 22-movable groove, 23-reducing sleeve, 24-fixed part, 241-connection seat, 242-positioning needle, 243-connection column, 244-clamping jaw, 25-adaptor, 3-clamped part. DETAILED DESCRIPTION

[0030] 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.

[0031] Please refer to Figures 1-6;

[0032] The rivet described in the present application has grounding function, without external wire, simplifying the installation process; specifically including riveted pull rod 11 and tension sleeve 12, when used, riveted pull rod 11 passes through clamped part 3 from one end, tension sleeve 12 is sleeved on riveted pull rod 11 from the other side of clamped part 3, forming a clamped state, further, riveted pull rod 11 includes riveting head part one 111 and fixed rod part 112, the bottom surface of riveting head part one 111 is provided with a plurality of bumps 113, preferably, the number of bumps 113 is three, distributed at 120°, the outer periphery of fixed rod part 112 is provided with clamping part 114, preferably, clamping part 114 is screw thread, the screw thread is arranged along the length direction of fixed rod part 112, tension sleeve 12 is provided with through hole 121 for fixed rod part 112 to pass through, the diameter of through hole 121 is greater than the diameter of fixed rod part 112;

[0033] Generally, the rivet 1 needs to be fixed by using a tool, and the tool is used to apply external force to the tension sleeve 12 and the fixed rod part 112 respectively, so that the two can slightly move relatively, that is, the rivet head and the end part of the tension sleeve 12 apply pressure to both sides of the clamped part 3 respectively, so that the protrusions 113 can pierce the insulating layer on the surface of the clamped part 3 and contact the metal inside, so as to realize the grounding of the rivet 1, and then the tension sleeve 12 is extruded to both sides to deform, so that the clamping part 114 can be embedded into the side wall of the tension sleeve 12 to realize the fixation of the two, and the rivet rod 11 and the tension sleeve 12 are tightly fixed on the clamped part 3, so as to realize quick installation, preferably, the height of the protrusions is 2-3 mm, the embedded plate depth is ≥18 mm, the insulating layer on the surface of the clamped part 3 can be pierced to realize grounding, and the thickness of the insulating layer is generally 0.8-1.5 mm.

[0034] Based on the above process, the rivet 1 can be fixed on the clamped part 3 by using only one step, and the grounding of the rivet 1 can be realized at the same time, the effect of achieving the conductive grounding through wiring is removed, the operation steps are simplified, the long-term effective grounding effect is ensured, the situation that the grounding wire is forgotten can be avoided, and the micro-current of the assembly can be transmitted to the photovoltaic support through the fastener.

[0035] In the embodiment of the application, the tension sleeve 12 comprises a rivet head part two 122, one side of the rivet head part two 122 corresponds to the rivet head part one 111, and the other side is connected with a fixed sleeve 123, and three limiting points 124 distributed at an angle of 120° are arranged in the fixed sleeve 123, when the fixed rod part 112 enters the fixed sleeve 123, the three limiting points 124 can ensure that the fixed rod part 112 is arranged in the center, and the effect of the subsequent riveting process is ensured, in addition, a taper surface is arranged at the opening of the through hole 121, so as to facilitate the entry of the fixed rod part 112.

[0036] In the embodiment of the application, the length of the fixed sleeve 123 is less than the length of the fixed rod part 112, so as to facilitate riveting by using a tool.

[0037] The application discloses an installation tool for operating the rivet 1, and specifically comprises a positioning outer sleeve 21, the positioning outer sleeve 21 is provided with a movable groove 22, the movable groove 22 extends to both ends of the positioning outer sleeve 21 to form openings, a reduced diameter sleeve 23 is arranged at one of the openings, the diameter of the hole in the reduced diameter sleeve 23 is smaller than the outer diameter of the fixed sleeve 123, a deformable fixed part 24 is arranged in the reduced diameter sleeve 23, one end of the fixed part 24 is used for detachable connection with the fixed rod part 112, and the other end of the fixed part 24 extends to the movable groove 22 through the reduced diameter sleeve 23 and is connected with a power assembly (not shown), and in the embodiment, the power assembly can be electric, pneumatic or hydraulic, etc., which is not limited herein.

[0038] In operation, the rivet rod 11 is inserted through the clamped object 3 from one end, the tension sleeve 12 is sleeved on the rivet rod 11 from the other end of the clamped object 3, and a clamped state is formed, then the end of the fixed rod part 112 is inserted into the end of the fixed part 24, and then the power assembly applies a pulling force to the fixed part 24, or the power assembly applies a pushing force to the positioning sleeve 21 to move it towards the tension sleeve 12, or the power assembly applies a pulling force to the fixed part 24 and a pushing force to the positioning sleeve 21 to move them in opposite directions; during this process, the relative position of the fixed part 24 and the fixed rod part 112 is kept unchanged, when the end of the fixed part 24 close to the fixed rod part 112 is in contact with the reduced diameter sleeve 23, the end of the fixed part 24 is deformed and shrunk to tightly hold the end of the fixed rod part 112, and the fixed rod part 112 is pulled into the reduced diameter sleeve 23, so that the end of the reduced diameter sleeve 23 is in contact with the end of the fixed sleeve 123, and because the hole diameter of the reduced diameter sleeve 23 is smaller than the outer diameter of the fixed sleeve 123, under the continuous application of external force, the tension sleeve 12 and the fixed rod part 112 can move slightly relative to each other, that is, the rivet head part and the end of the tension sleeve 12 apply pressure to both sides of the clamped object 3, so that the protrusions 113 can pierce the insulating layer on the surface of the clamped object 3 and contact the metal inside, achieving grounding.

[0039] In the embodiment, the number of protrusions is several, which can disperse the stress points of the rivet head part 1 to each protrusion after being embedded in the clamped object, and transmit to the clamped object, and the several protrusions have a clamping effect, so that the overall anti-loose, anti-theft, anti-vibration function is replaced, the tensile strength is ≥6200N, and the shear strength is ≥6800N.

[0040] After that, the tension sleeve 12 and the fixed rod part 112 cannot further move relative to each other, the reduced diameter sleeve 23 applies a transverse force to the fixed sleeve 123 to deform and pull it into the channel of the reduced diameter sleeve 23, at this time, the inner diameter of the part of the fixed sleeve 123 located in the channel of the reduced diameter sleeve 23 is reduced, so that the clamping part 114 can be embedded in the fixed sleeve 123 to be fixed, preferably, the end of the reduced diameter sleeve 23 is provided with a tapered surface, so as to facilitate the entry of the fixed sleeve 123.

[0041] The installation tool can realize the relative movement of the rivet 1 part, and quickly achieve the purpose of piercing and riveting fixation.

[0042] In the embodiment of the present application, the fixing part 24 comprises a connecting seat 241, the connecting seat 241 is fixedly provided with a positioning needle 242 penetrating through the reducing sleeve 23 and a plurality of connecting columns 243, the plurality of connecting columns 243 are arranged at intervals around the positioning column, and the end portion of the connecting column 243 is provided with a clamping jaw 244, the plurality of connecting columns 243 and the clamping jaw 244 are in an open state in the initial state, and in use, the end portion of the positioning needle 242 abuts against the end portion of the fixing rod part 112, and in the movement process, the fixing rod part 112 avoids being clamped by the clamping jaw 244 due to misalignment, and the plurality of clamping jaws 244 are closed into the reducing sleeve 23;

[0043] Preferably, the fixing rod part 112 is provided with threads or teeth, and the inner side of the clamping jaw 244 is also provided with teeth, so that the plurality of clamping jaws 244 can be engaged with each other when the plurality of clamping jaws 244 are closed.

[0044] Further, the connecting seat 241 is connected with the power assembly through the adapter 25, and different adapters can be replaced to realize connection with different power assemblies.

[0045] Further, the reducing sleeve 23 is detachably connected with the positioning sleeve, and can be connected through threads, and the size of the rivet 1 is not limited in actual application, different reducing sleeves 23 can be replaced to fix different rivets 1, and of course, the fixing part 24 also needs to be replaced at the same time to adapt to different screws when the reducing sleeve 23 is replaced.

[0046] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0047] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A grounding rivet for a photovoltaic power station support, comprising a riveting pull rod (11) and a tensioning sleeve (12), characterized in that: the riveting pull rod (11) comprises a riveting head part I (111) and a fixed rod part (112), the bottom surface of the riveting head part I (111) is provided with a plurality of protrusions (113) for piercing the insulating layer of a clamped part (3) to enable the rivet to be in communication with the clamped part for grounding, and the fixed rod part (112) passes through the clamped part and is provided with a clamping part (114) on the outer periphery thereof; the tensioning sleeve (12) is provided with a through hole (121) for the fixed rod part (112) to pass through, the diameter of the through hole (121) is greater than the diameter of the fixed rod part (112), and the tensioning sleeve (12) can be reduced in diameter by a mounting tool to enable the clamping part (114) to be embedded in the tensioning sleeve (12) for fixation, while the riveting head part I (111) and the end part of the tensioning sleeve (12) are located on both sides of the clamped part for clamping the clamped part. the riveting head part II (122) is provided with a tapered surface at the opening of the through hole (121). the clamping part (114) is a screw thread, and the screw thread is arranged along the length direction of the fixed rod part (112).

2. The ground rivet for a photovoltaic power station support according to claim 1, characterized in that: the fixed sleeve (123) has a length that is less than the length of the fixed rod part (112).

3. The ground rivet for a photovoltaic power station support according to claim 1, characterized in that: the positioning outer sleeve (21) is provided with a movable groove (22) inside, the end part of the movable groove (22) is provided with a reduced diameter sleeve (23), the reduced diameter sleeve (23) is provided with a deformable fixed part (24) that passes therethrough, one end of the fixed part (24) is used for detachable connection with the fixed rod part (112), the other end of the fixed part (24) extends into the movable groove (22) through the reduced diameter sleeve (23) and is connected with a power assembly, and the power assembly is also connected with the positioning outer sleeve (21) to enable the positioning outer sleeve (21) and the fixed part (24) to move in opposite directions relative to each other.

4. The ground rivet for a photovoltaic power station support according to claim 1, characterized in that: the fixed part (24) comprises a connecting seat (241), the connecting seat (241) is fixedly provided with a positioning needle (242) that passes through the reduced diameter sleeve (23) and a plurality of connecting columns (243), the plurality of connecting columns (243) are arranged at intervals around the positioning column, and the end part of the connecting column (243) is provided with a clamping jaw (244), and a plurality of clamping jaws (244) can be closed into the reduced diameter sleeve (23).

5. The ground rivet for a photovoltaic power station support according to claim 1, characterized in that: the connecting seat (241) is connected with the power assembly through an adapter (25).

6. An installation tool characterized by: the reduced diameter sleeve (23) and the positioning sleeve are detachably connected. ​ 7. An installation tool according to claim 6, wherein: ​ 8. An installation tool according to claim 7, wherein: ​ 9. The installation tool of claim 6, wherein: ​

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