Lightning protection device for prefabricated building

Abstract

The application relates to the technical field of building lightning protection, in particular to a lightning protection device for fabricated buildings, which comprises a fabricated building, a support assembly is installed at the top of the fabricated building, a lightning attracting device is installed at the top of the support assembly, a lightning guiding assembly is installed on one side of the lightning attracting device, and the lightning guiding assembly is installed on the outer side of the fabricated building. In the application, the support assembly, the lightning attracting device, the insulating block, the lightning protection grounding needle, the mounting assembly, the mounting plate, the threaded head, the reinforcing assembly, the lightning guiding assembly, the connector, the lightning protection grounding belt and the fixer are arranged, when the lightning protection grounding needle is in the lightning stroke, the lightning protection grounding needle can transfer the lightning to the ground through the connector, the wire, the lightning protection grounding belt and the grounding device. Due to the design of the insulating block and the fixer, no hole needs to be punched when the lightning protection device is installed, therefore, the connection part of the lightning protection device and the fabricated building is not conductive, the lightning cannot affect the fabricated building, and the safety of the fabricated building is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building lightning protection, in particular to a lightning protection device for prefabricated buildings. BACKGROUND

[0002] Prefabricated buildings are a building method that innovates the traditional on-site construction mode by combining factory prefabrication and on-site assembly. The core is to disassemble the building into standardized components through systematic design, complete high-precision production in the factory, and then transport them to the site for rapid assembly through reliable connection technology. The lightning protection device is a comprehensive system for defending against lightning hazards, mainly composed of lightning arresters, downlead, grounding devices, etc., which realizes protection of buildings, equipment and personnel through lightning arrest and current discharge mechanisms.

[0003] The existing prefabricated buildings are usually not prepared for lightning protection when produced in the factory. It is necessary to perform punching operations on the prefabricated buildings when building the building to install the lightning protection device. However, the multiple components of the prefabricated building contain insulation layers, sound insulation layers and other structures. Direct punching can cause rainwater to enter the layered structure, which may cause the steel bars or lines inside the prefabricated building to be electrified in rainy weather, which is relatively dangerous. Therefore, a lightning protection device for prefabricated buildings is proposed to solve the above problems. SUMMARY

[0004] The purpose of the present application is to provide a lightning protection device for prefabricated buildings to solve the problem of existing lightning protection devices damaging prefabricated buildings and causing safety hazards during installation.

[0005] To achieve the above purpose, the present application provides the following technical scheme:

[0006] A lightning protection device for prefabricated buildings, comprising a prefabricated building, a support assembly installed at the top of the prefabricated building, a lightning attracting device installed at the top of the support assembly, a lightning guiding assembly installed on one side of the lightning attracting device, the lightning guiding assembly installed on the outside of the prefabricated building, a grounding device installed at the end of the lightning guiding assembly away from the lightning attracting device, the lightning attracting device comprising an insulating block arranged at the top of the support assembly, the insulating block comprising a lightning arrester arranged at the top of the insulating block, the insulating block comprising a mounting assembly symmetrically installed on the upper and lower sides of the insulating block, the insulating block comprising a threaded groove opened on the side close to the mounting assembly, the insulating block comprising a protection assembly arranged on the outside of the insulating block, the lightning guiding assembly comprising a connector installed on the outside of the lightning arrester, the connector comprising a wire installed on one side of the connector, the wire comprising a lightning arrester strip installed at one end of the wire, the lightning arrester strip being installed on the outside of the prefabricated building through a plurality of fixers.

[0007] Preferably, the support assembly comprises a concrete base fixedly connected to the top end of the assembled building, a vertical rod fixedly connected inside the concrete base, a plurality of reinforcing rods fixedly connected to the outer side of the vertical rod in a polar axis distribution, the reinforcing rods being arranged obliquely, a plurality of connecting rods fixedly connected to the outer side of the vertical rod in a polar axis distribution above the reinforcing rods, an installation threaded seat with an opening facing upwards fixedly connected to the end of the connecting rod away from the vertical rod, and the top end of the installation threaded seat being horizontally aligned with the top end of the concrete base.

[0008] Preferably, the installation assembly comprises installation plates symmetrically arranged on the upper and lower sides of the insulating block and closely attached to the insulating block, a threaded head fixedly connected to one side of each of the two installation plates close to the insulating block, a reinforcing assembly arranged on one side of the threaded head, the threaded head being threadedly connected inside a threaded groove, a plurality of installation hole plates fixedly connected to the outer side of the lower installation plate in a polar axis distribution, and installation bolts threadedly connected inside the installation threaded seat arranged on the inner side of the installation hole plate.

[0009] Preferably, the reinforcing assembly comprises a connecting plate fixedly connected to one side of the installation plate, a reinforcing bolt threadedly connected inside the connecting plate and penetrating through the connecting plate, a pressing plate rotatably connected to one end of the reinforcing bolt, a sliding groove arranged on one side of the installation plate, a sliding plate fixedly connected to one side of the pressing plate and slidably connected inside the sliding groove, and the side of the pressing plate close to the insulating block being closely attached to the insulating block.

[0010] Preferably, the protection assembly comprises protection shells symmetrically arranged on the outer side of the insulating block, fixing members arranged on the outer side of the two protection shells, a limiting half-ring fixedly connected to the inner bottom of each of the protection shells, a sealing groove arranged on the inner top of each of the protection shells, a clamping strip fixedly connected to one side of each of the two protection shells close to each other, a clamping groove arranged on one side of the clamping strip, and a sealing ring fixedly connected to the outer side of the upper installation plate.

[0011] Preferably, the fixing member comprises a fixing hole plate fixedly connected to the outer side of the protection shell, a fixing bolt inserted into the inner side of the fixing hole plate, and a fixing nut threadedly connected to the outer side of the fixing bolt, the limiting half-rings between the two protection shells forming a complete limiting ring, a limiting groove arranged on the end of the bottom of the installation hole plate away from the installation plate, the limiting half-ring being arranged in the limiting groove of the installation hole plate, the clamping strip being inserted into the inner side of the clamping groove, and the sealing ring being arranged in the inner side of the sealing groove and closely attached to the sealing groove.

[0012] Preferably, the connector comprises a first conductive core fixedly connected outside the lightning rod, a plurality of insertion slots are formed on one side of the first conductive core, an insertion rod is inserted inside the insertion slot, a second conductive core is fixedly connected to one end of the insertion rod, a protective shell is fixedly connected outside the first conductive core and the second conductive core, two blocking rings are fixedly connected outside the protective shell on the first conductive core, a threaded cover is arranged between the two blocking rings, a threaded ring is fixedly connected outside the protective shell on the second conductive core, and the threaded ring is threadedly connected inside the threaded cover.

[0013] Preferably, the fixing device comprises a fixing seat embedded in the assembled building and fixedly connected with the assembled building, a glue block is fixedly connected inside the fixing seat, a plurality of fixing rods are fixedly connected inside the glue block, a plurality of fixing plates are fixedly connected outside the fixing rods, an insulating plate is fixedly connected on one side of the fixing plate outside the fixing rod, and the end of the fixing rod away from the fixing seat is fixedly connected with the lightning arrestor tape, and the side of the insulating plate close to the assembled building is tightly attached to the assembled building.

[0014] Preferably, the grounding device comprises a plurality of vertically arranged grounding needles, one of the grounding needles is fixedly connected with the lightning arrestor tape, a plurality of anti-loosening plates distributed in the form of polar axes are fixedly connected outside the grounding needles, a connecting block is fixedly connected to the top end of the grounding needle, a contact frame is welded between a plurality of the connecting blocks, a concrete block is fixedly connected outside the connecting block, and a reinforcing nail is vertically arranged outside the center of the contact frame.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] 1、In the present application, by setting the support assembly, lightning attracting device, insulating block, lightning rod, mounting assembly, mounting plate, threaded head, reinforcing assembly, lightning guiding assembly, connector, lightning arrestor tape and fixing device, when the lightning rod is in the lightning, the lightning rod can transfer lightning to the ground through the connector, wire, lightning arrestor tape and grounding device, and since the insulating block and the fixing device are designed, no hole needs to be punched when installing the lightning protection device, therefore the connection between the lightning protection device and the assembled building is not conductive, and lightning cannot affect the assembled building, thereby improving the safety of the assembled building, under the action of the lightning arrestor tape, fixing seat, glue block, fixing rod, fixing plate and insulating plate arranged in the fixing device, the lightning arrestor tape can be installed on the top of the assembled building, the lightning protection device can be installed according to different assembly schemes of the assembled building, and the glue block and the insulating plate can prevent the current of lightning from being directly introduced into the assembled building, so that the assembled building is more stable in use.

[0017] 2、The protective assembly is installed, two protective shells are placed outside the insulating block, then the protective shells are reinforced by using the fixing piece, the installation of the lightning attracting device is completed, the limiting half ring is arranged in the limiting groove of the installation hole plate at this time, the limiting half ring and the protective shell are limited, the protective shell is prevented from falling off, the sealing ring and the clamping strip can facilitate the installation of the protective shell, the sealing ring can seal between the protective shell and the upper installation plate, rainwater is prevented from entering the protective shell, the protective shell is fixed by the fixing bolt and the fixing nut, the installation of the protective shell is more stable, the insulating block, the reinforcing assembly and the connecting member are protected, and the service life is increased;

[0018] 3、The connector, the first conductive core, the insertion slot, the insertion rod, the second conductive core, the protective shell, the blocking ring, the threaded cover, the threaded ring, the grounding device, the grounding needle, the anti-loose plate, the connecting block, the contact frame, the concrete block and the reinforcing nail are arranged, the insertion rod is inserted into the insertion slot, the threaded cover is screwed with the threaded ring, the lightning arrester and the lightning rod are connected with each other through the connector, the lightning protection device is assembled with the fabricated building, the grounding device is installed, the grounding needle is inserted into the soil, one end of the lightning rod is welded to the top end of the grounding needle, the contact frame is welded between the connecting blocks, the connection is covered with concrete after welding, the installation of the grounding device is completed, the connection between the lightning rod and the lightning arrester and the grounding needle is more firm, the contact area between the lightning protection device and the ground is increased, and the use stability of the lightning protection device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall structure schematic diagram of the application;

[0020] Figure 2 It is the lightning device connecting member structure schematic diagram of the application;

[0021] Figure 3 It is the installation structure schematic diagram of the application;

[0022] Figure 4 It is the connecting member structure schematic diagram of the application;

[0023] Figure 5 It is the grounding device structure schematic diagram of the application;

[0024] Figure 6 It is the installation structure schematic diagram of the application;

[0025] Figure 7 Structure diagram of lightning rod connecting member of the present application;

[0026] Figure 8 Structure diagram of wire installation structure of the present application;

[0027] Figure 9 Structure diagram of sectional structure of protective shell of the present application;

[0028] Figure 10 Structure diagram of installation structure of protective shell of the present application;

[0029] Figure 11 Structure diagram of installation structure of fixing bolt of the present application;

[0030] Figure 12 Structure diagram of installation structure of insulating block of the present application;

[0031] Figure 13 Structure diagram of sectional structure of insulating block of the present application;

[0032] Figure 14 Structure diagram of installation structure of installation bolt of the present application;

[0033] Figure 15 Structure diagram of sectional structure of installation plate of the present application;

[0034] Figure 16 Structure diagram of sectional structure of concrete base of the present application.

[0035] In the figure: 1, assembled building; 2, support assembly; 21, concrete base; 22, vertical rod; 23, reinforcing rod; 24, connecting rod; 25, mounting threaded seat; 3, lightning attracting device; 31, insulating block; 32, lightning rod; 33, mounting assembly; 331, mounting plate; 332, threaded head; 333, reinforcing assembly; 3331, connecting plate; 3332, reinforcing bolt; 3333, pressing plate; 3334, sliding groove; 3335, sliding plate; 34, threaded groove; 35, mounting hole plate; 36, mounting bolt; 37, protection assembly; 371, protection shell; 372, sealing ring; 373, fixing part; 3731, fixing hole plate; 3732, fixing bolt; 3733, fixing nut; 374, limiting half ring; 375, sealing groove; 376, clamping strip; 377, clamping groove; 38, limiting groove; 4, lightning guiding assembly; 41, connector; 411, first conductive core; 412, insertion groove; 413, insertion rod; 414, second conductive core; 415, protective shell; 416, blocking ring; 417, threaded cover; 418, threaded ring; 42, wire; 43, lightning strip; 44, fixator; 441, fixing seat; 442, rubber block; 443, fixing rod; 444, fixing plate; 445, insulating plate; 5, grounding device; 51, grounding needle; 52, anti-loosening plate; 53, connecting block; 54, contact frame; 55, concrete block; 56, reinforcing nail. DETAILED DESCRIPTION

[0036] Please refer to Figures 1-16 The present application provides a technical solution:

[0037] The application discloses a lightning protection device for a fabricated building, which comprises a fabricated building 1, a support assembly 2 installed at the top of the fabricated building 1, a lightning attracting device 3 installed at the top of the support assembly 2, a lightning guiding assembly 4 installed at one side of the lightning attracting device 3 and outside the fabricated building 1, and a grounding device 5 installed at the end of the lightning guiding assembly 4 away from the lightning attracting device 3. The lightning attracting device 3 comprises an insulating block 31 arranged at the top of the support assembly 2, a lightning rod 32 arranged at the top of the insulating block 31, and installation assemblies 33 symmetrically arranged at the upper and lower sides of the insulating block 31. A threaded groove 34 is formed in the side of the insulating block 31 close to the installation assemblies 33, and a protection assembly 37 is arranged outside the insulating block 31. The lightning guiding assembly 4 comprises a connector 41 installed outside the lightning rod 32, a wire 42 installed at one side of the connector 41, and a lightning rod band 43 installed at one end of the wire 42. The lightning rod band 43 is installed outside the fabricated building 1 through a plurality of fixers 44. The support assembly 2 comprises a concrete base 21 fixedly connected to the top of the fabricated building 1, a vertical rod 22 fixedly connected in the concrete base 21, and a plurality of reinforcing rods 23 fixedly connected to the outer side of the vertical rod 22 and arranged in a polar axis mode. The reinforcing rods 23 are arranged in an inclined mode. A plurality of connecting rods 24 are arranged in a polar axis mode and fixedly connected to the outer side of the vertical rod 22 above the reinforcing rods 23. An installation threaded seat 25 with an opening facing upwards is fixedly connected to the end of the connecting rod 24 away from the vertical rod 22. The top end of the installation threaded seat 25 is horizontally aligned with the top end of the concrete base 21. The installation assemblies 33 comprise installation plates 331 symmetrically arranged at the upper and lower sides of the insulating block 31 and closely attached to the insulating block 31. Threaded heads 332 are fixedly connected to the side of each installation plate 331 close to the insulating block 31. Reinforcing assemblies 333 are arranged outside the threaded heads 332 and installed at one side of the installation plate 331. The threaded heads 332 are threadedly connected to the inner side of the threaded groove 34. A plurality of installation hole plates 35 are fixedly connected to the outer side of the lower installation plate 331 and arranged in a polar axis mode. Installation bolts 36 are threadedly connected to the inner side of the installation threaded seat 25. The reinforcing assemblies 333 comprise connecting plates 3331 fixedly connected to one side of the installation plate 331. Reinforcing bolts 3332 are threadedly connected in the connecting plates 3331. Pressing plates 3333 are rotatably connected to one end of the reinforcing bolts 3332. Slides 3334 are formed in one side of the installation plate 331 and close to the pressing plates 3333. Slides 3335 are slidably connected to one side of the pressing plates 3333 and arranged in the slides 3334. The side of the pressing plates 3333 close to the insulating block 31 is closely attached to the insulating block 31. When the lightning rod 32 is struck by lightning, the lightning rod 32 can transfer the lightning to the ground through the connector 41, the wire 42, the lightning rod band 43 and the grounding device 5. Since the insulating block 31 and the fixers 44 are designed, the lightning protection device is not needed to be punched when the lightning protection device is installed, and the connection between the lightning protection device and the fabricated building 1 is not conductive, so that the lightning cannot affect the fabricated building 1, and the safety of the fabricated building 1 is improved.

[0038] As Figure 10 And 11 As shown in the drawings, the protection assembly 37 includes two symmetrical protection shells 371 arranged outside the insulating block 31, two fixing members 373 are arranged outside the protection shells 371, a limiting half ring 374 is fixedly connected to the inner bottom of the protection shell 371, a sealing groove 375 is arranged on the inner top of the protection shell 371, a clamping strip 376 is fixedly connected to the side of the protection shell 371 which is close to the other protection shell 371, a clamping groove 377 is arranged on one side of the clamping strip 376, a sealing ring 372 is fixedly connected to the outer side of the mounting plate 331 which is above, the fixing member 373 includes a fixing hole plate 3731 fixedly connected to the outer side of the protection shell 371, a fixing bolt 3732 is inserted into the inner side of the fixing hole plate 3731, a fixing nut 3733 is threadedly connected to the outer side of the fixing bolt 3732, the limiting half rings 374 on the two protection shells 371 form a complete limiting ring, a limiting groove 38 is arranged on the end of the mounting hole plate 35 which is away from the mounting plate 331, the limiting half ring 374 is arranged in the limiting groove 38 of the mounting hole plate 35, the clamping strip 376 is inserted into the inner side of the clamping groove 377, the sealing ring 372 is arranged in the sealing groove 375 and tightly contacts with the sealing groove 375, through the above arrangement, when the protection assembly 37 is installed, the two protection shells 371 are arranged outside the insulating block 31, then the protection shell 371 is reinforced by the fixing member 373, and the installation of the lightning attracting device 3 is completed, the design can protect the insulating block 31, the reinforcing assembly 333 and the connecting member thereof from being eroded by wind and rain, increase the service life thereof, the limiting half ring 374 is inserted into the limiting groove 38 of the mounting hole plate 35, and the limiting half ring 374 and the protection shell 371 are limited, so that the protection shell 371 is prevented from falling off.

[0039] As Figure 3 , 4, 5, 6, 8 and 9, the connector 41 comprises a first conductive core 411 fixedly connected to the outside of the lightning rod 32, a plurality of insertion grooves 412 are formed on one side of the first conductive core 411, an insertion rod 413 is inserted into the inside of the insertion groove 412, a second conductive core 414 is fixedly connected to one end of the insertion rod 413, the first conductive core 411 and the second conductive core 414 are both fixedly connected with a protective shell 415, the protective shell 415 on the first conductive core 411 is fixedly connected with two stop rings 416 on the outside, a threaded cover 417 is arranged between the two stop rings 416, the protective shell 415 on the second conductive core 414 is fixedly connected with a threaded ring 418 on the outside, the threaded ring 418 is threadedly connected to the inside of the threaded cover 417, the fixing device 44 comprises a fixing seat 441 embedded in the inside of the assembled building 1 and fixedly connected with the assembled building 1, a rubber block 442 is fixedly connected to the inside of the fixing seat 441, a plurality of fixing rods 443 are fixedly connected to the inside of the rubber block 442, a plurality of fixing plates 444 are fixedly connected to the outside of the fixing rods 443, an insulating plate 445 is fixedly connected to the outside of the fixing rod 443 on one side, the end of the fixing rod 443 away from the fixing seat 441 is fixedly connected with the lightning belt 43, the side of the insulating plate 445 close to the assembled building 1 is tightly attached to the assembled building 1, the grounding device 5 comprises a plurality of vertically arranged grounding needles 51, one of the grounding needles 51 is fixedly connected with the lightning belt 43, a plurality of anti-loosening plates 52 are fixedly connected to the outside of the grounding needle 51 in a polar axis distribution, a connecting block 53 is fixedly connected to the top end of the grounding needle 51, a contact frame 54 is welded between a plurality of connecting blocks 53, a concrete block 55 is fixedly connected to the outside of the connecting block 53, a reinforcing nail 56 is vertically arranged on the outside of the contact frame 54, through this arrangement, when installing the connector 41, the insertion rod 413 is inserted into the inside of the insertion groove 412, the threaded cover 417 is screwed with the threaded ring 418, at this time the lightning rod 32 can be conductive with the lightning belt 43 through the connector 41, when installing the grounding device 5, the grounding needle 51 is inserted into the soil, and the lightning belt 43 is welded to the outside of the top end of one of the grounding needles 51, then the contact frame 54 is welded between a plurality of connecting blocks 53, after welding, the connection is covered with concrete, the installation of the grounding device 5 is completed, at this time the contact frame 54 can conduct electricity, which can increase the contact area between the lightning protection device and the ground, improve the conduction effect of lightning, and the reinforcing nail 56 installed on the outside of the contact frame 54 can position the contact frame 54, so that the contact frame 54 is more stable, this design makes the connection of the lightning belt 43 with the lightning rod 32 and the grounding needle 51 more firm, thereby improving the stability of the lightning protection device.

[0040] Work flow: In the factory production stage, the first thing to do is to pretreat the components of the prefabricated building 1, embed the vertical rods 22 and their connecting components into the concrete base 21, connect the concrete base 21 and the components of the prefabricated building 1 into a whole, align the top end of the mounting threaded seat 25 on one side of the connecting rod 24 with the top end of the concrete base 21, and strengthen the strength of the vertical rods 22 and the concrete base 21 with the reinforcing rods 23 to ensure the stability of the support assembly 2. At the same time, bury the multiple fixing seats 441 in the surface of each component of the prefabricated building 1 to complete the pretreatment of each component of the prefabricated building 1. During the construction of the prefabricated building 1, the components of the lightning protection device can be installed. First, place an installation assembly 33 on the top end of the concrete base 21, align the multiple mounting hole plates 35 on the outer side of the mounting plate 331 vertically with the mounting threaded seat 25, and insert the mounting bolt 36 into the mounting hole plate 35 and screw it into the inner side of the mounting threaded seat 25. Then install the insulating block 31 on the top end of this installation assembly 33, screw the threaded head 332 with the threaded groove 34 at the bottom end of the insulating block 31, and then install the installation assembly 33 fixedly connected with the lightning rod 32 on the top end of the insulating block 31, screw the threaded head 332 with the threaded groove 34 at the top end of the insulating block 31. The next step is to install the reinforcing assembly 333, rotate the reinforcing bolt 3332 to make it rotate and move inside the connecting plate 3331, and slide the sliding plate 3335 inside the sliding groove 3334 until the side of the pressing plate 3333 close to the insulating block 31 tightly contacts with the insulating block 31 to complete the installation of the lightning rod 32. Next, install the protection assembly 37, place two protection shells 371 on the outer side of the insulating block 31, and form a complete limiting ring between the limiting half rings 374 on the protection shell 371. At this time, the limiting half rings 374 are inserted into the limiting grooves 38 opened by the mounting hole plates 35 to limit the limiting half rings 374 and the protection shell 371 to prevent the protection shell 371 from falling off. The clamping strip 376 is inserted into the clamping groove 377, and the sealing groove 375 is located on the outer side of the sealing ring 372 and tightly contacts with the outer side of the sealing ring 372. Then use the fixing part 373 to reinforce the protection shell 371, insert the fixing bolt 3732 into the fixing hole plate 3731, and screw the fixing nut 3733 on the outer side of the fixing bolt 3732 to complete the installation of the lightning attracting device 3. The design of the protection assembly 37 can protect the insulating block 31, the reinforcing assembly 333 and their connecting components from being eroded by wind and rain, and increase their service life. The next step is to install the lightning guiding assembly 4. First, install the lightning rod belt 43, inject glue into the fixing seat 441, insert the fixing rod 443 on the multiple sections of the lightning rod belt 43 into the glue, and make the glue fully combine with the fixing rod 443 and the fixing plate 444. The insulating plate 445 tightly contacts with the prefabricated building 1. When the glue solidifies to form a glue block 442, the multiple sections of the lightning rod belt 43 can be welded to form a whole lightning rod belt 43. Then install the connector 41,The plug rod 413 on the second conductive core 414 is inserted into the slot 412 on the first conductive core 411, the threaded cap 417 between the two stop rings 416 is turned, the threaded cap 417 is screwed with the threaded ring 418, the threaded cap 417 can press the one stop ring 416, the two protective shells 415 are mutually adhered, at this time the lightning protection and lightning arresting needle 32 can be conducted with the lightning arresting ribbon 43 through the connector 41 and the wire 42, finally the grounding device 5 is installed, first the plurality of grounding needles 51 are inserted into the soil, the anti-loose plate 52 is in full contact with the soil, and one end of the lightning arresting ribbon 43 is welded outside the top end of the one grounding needle 51, then the contact frame 54 is placed between the plurality of connecting blocks 53, the contact frame 54 is tightly adhered with the connecting block 53, the reinforcing nail 56 is inserted in the center of the contact frame 54 and inserted into the soil, the contact frame 54 is positioned, the next step is to weld the connecting part of the connecting block 53 and the contact frame 54, after welding, the connecting part is covered with concrete to form the concrete block 55, the installation of the grounding device 5 is completed, the design of the connector 41 and the grounding device 5 makes the connection of the lightning arresting ribbon 43, the lightning protection and lightning arresting needle 32 and the grounding needle 51 more firm, and can increase the contact area of the lightning protection device with the ground, thereby improving the use stability of the lightning protection device, when the lightning protection and lightning arresting needle 32 is struck by lightning in the rainy weather, the lightning protection and lightning arresting needle 32 can transfer the lightning to the ground through the connector 41, the wire 42, the lightning arresting ribbon 43 and the grounding device 5, the lightning arresting ribbon 43 can also transfer the lightning struck from the side, due to the design of the insulating block 31 and the fixator 44, the connecting part of the lightning protection device and the assembled building 1 is buried in the internal part of each component of the assembled building 1 during factory processing, and no punching is required during installation of the lightning protection device, therefore the connecting part of the lightning protection device and the assembled building 1 is not conductive, and the lightning cannot affect the assembled building 1, thereby improving the safety of the assembled building 1, since the lightning protection and lightning arresting needle 32 can be damaged due to high temperature when it is struck by lightning, the lightning protection and lightning arresting needle 32 and the insulating block 31 can be replaced in sunny weather, first the threaded cap 417 is unscrewed from the outside of the threaded ring 418 to separate the first conductive core 411 and the second conductive core 414, then the fixing bolt 3732 and the fixing nut 3733 are removed to remove the protective shell 371, the reinforcing bolt 3332 is turned to separate the pressing plate 3333 from the insulating block 31, the lightning protection and lightning arresting needle 32 and the insulating block 31 are sequentially turned to remove them, finally the new insulating block 31 and the lightning protection and lightning arresting needle 32 are installed, and the lightning protection device can be normally used.

[0041] The principles and implementation manners of the present application are described by using specific examples in the present application, and the above examples are only used to help understand the method of the present application and its core idea. The above description is only the preferred implementation manner of the present application, and it should be noted that, due to the limited expression of the text, there are objectively infinite specific structures, and for ordinary skilled persons in the technical field, some improvements, refinements or changes can be made without departing from the principles of the present application, and the above technical features can also be combined in an appropriate manner; the improvements, refinements, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, shall be regarded as the protection scope of the present application.

Claims

1. A lightning protection device for prefabricated buildings, comprising prefabricated buildings (1), characterized in that: A support assembly (2) is installed on the top of the prefabricated building (1). A lightning-attracting device (3) is installed on the top of the support assembly (2). A lightning-guided assembly (4) is installed on one side of the lightning-attracting device (3). The lightning-guided assembly (4) is installed on the outside of the prefabricated building (1). A grounding device (5) is installed at the end of the lightning-guided assembly (4) away from the lightning-attracting device (3). The lightning-attracting device (3) includes an insulating block (31) set on the top of the support assembly (2). A lightning arrester (32) is set on the top of the insulating block (31). 1) Installation components (33) are symmetrically installed on the upper and lower sides. The insulating block (31) has a threaded groove (34) on the side near the installation component (33). The insulating block (31) has a protective component (37) on the outside. The lightning guide component (4) includes a connector (41) installed on the outside of the lightning arrester (32). A wire (42) is installed on one side of the connector (41). A lightning strip (43) is installed at one end of the wire (42). The lightning strip (43) is installed on the outside of the prefabricated building (1) through multiple fasteners (44). The mounting assembly (33) includes mounting plates (331) symmetrically arranged on the upper and lower sides of the insulating block (31) and tightly fitted to the insulating block (31). Each of the two mounting plates (331) is fixedly connected to a threaded head (332) on the side near the insulating block (31). A reinforcing assembly (333) is provided on the outside of the threaded head (332) and installed on one side of the mounting plate (331). The threaded head (332) is threaded into the inside of the threaded groove (34). A plurality of mounting hole plates (35) distributed in a polar axis are fixedly connected to the outside of the lower mounting plate (331). The mounting hole plates (35) are provided with mounting bolts (36) threaded into the inside of the mounting thread seat (25). The protective assembly (37) includes protective shells (371) symmetrically arranged on the outside of the insulating block (31). Fixing members (373) are installed on the outside of the two protective shells (371). A limiting half ring (374) is fixedly connected to the bottom of the inner side of the protective shell (371). A sealing groove (375) is opened on the inner side of the top of the protective shell (371). A retaining strip (376) is fixedly connected to the side of the two protective shells (371) that are close to each other. A retaining groove (377) is opened on one side of the retaining strip (376) on one side of the protective shell (371). A sealing ring (372) is fixedly connected to the outside of the mounting plate (331) located above. The grounding device (5) includes a plurality of vertically arranged grounding pins (51), one of which is fixedly connected to a lightning protection strip (43). A plurality of anti-loosening plates (52) distributed along the polar axis are fixedly connected to the outside of the grounding pin (51). A connecting block (53) is fixedly connected to the top of the grounding pin (51). A contact frame (54) is welded between the plurality of connecting blocks (53). A concrete block (55) is fixedly connected to the outside of the connecting block (53). A reinforcing nail (56) is vertically arranged on the outside of the center of the contact frame (54).

2. The lightning protection device for prefabricated buildings according to claim 1, characterized in that: The support assembly (2) includes a concrete base (21) fixedly connected to the top of the prefabricated building (1). A vertical rod (22) is fixedly connected inside the concrete base (21). A plurality of reinforcing rods (23) distributed along the polar axis are fixedly connected to the outside of the vertical rod (22). The reinforcing rods (23) are inclined. A plurality of connecting rods (24) distributed along the polar axis and fixedly connected to the outside of the vertical rod (22) are provided above the reinforcing rods (23). An opening-facing mounting thread seat (25) is fixedly connected to the end of the connecting rod (24) away from the vertical rod (22). The top of the mounting thread seat (25) is horizontally aligned with the top of the concrete base (21).

3. The lightning protection device for prefabricated buildings according to claim 1, characterized in that: The reinforcement component (333) includes a connecting plate (3331) fixedly connected to one side of the mounting plate (331). The connecting plate (3331) is internally threaded with a reinforcement bolt (3332) that passes through the connecting plate (3331). One end of the reinforcement bolt (3332) is rotatably connected to a clamping plate (3333). The clamping plate (3333) has a groove (3334) on one side of the mounting plate (331). The inner side of the groove (3334) is slidably connected to a sliding plate (3335) fixedly connected to one side of the clamping plate (3333). The side of the clamping plate (3333) close to the insulating block (31) is tightly fitted with the insulating block (31).

4. The lightning protection device for prefabricated buildings according to claim 1, characterized in that: The fastener (373) includes a fixing plate (3731) fixedly connected to the outside of the protective shell (371). A fixing bolt (3732) is inserted into the inside of the fixing plate (3731). A fixing nut (3733) is threaded onto the outside of the fixing bolt (3732). A complete limiting ring is formed between the limiting half rings (374) on the two protective shells (371). A limiting groove (38) is opened at the bottom of the mounting plate (35) away from the mounting plate (331). The limiting half ring (374) is set in the limiting groove (38) opened in the mounting plate (35). The retaining strip (376) is inserted into the retaining groove (377). The sealing ring (372) is located inside the sealing groove (375) and is tightly fitted with the sealing groove (375).

5. A lightning protection device for prefabricated buildings according to claim 1, characterized in that: The connector (41) includes a first conductive core (411) fixedly connected to the outside of the lightning arrester (32). The first conductive core (411) has multiple slots (412) on one side. A plug rod (413) is inserted into the inside of the slot (412). A second conductive core (414) is fixedly connected to one end of the plug rod (413). A protective shell (415) is fixedly connected to the outside of both the first conductive core (411) and the second conductive core (414). Two retaining rings (416) are fixedly connected to the outside of the protective shell (415) on the first conductive core (411). A threaded cap (417) is provided between the two retaining rings (416). A threaded ring (418) is fixedly connected to the outside of the protective shell (415) on the second conductive core (414). The threaded ring (418) is threadedly connected to the inside of the threaded cap (417).

6. A lightning protection device for prefabricated buildings according to claim 5, characterized in that: The fixture (44) includes a fixture (441) embedded inside the assembly building (1) and fixedly connected to the assembly building (1). A rubber block (442) is fixedly connected to the inner side of the fixture (441). A plurality of fixing rods (443) are fixedly connected inside the rubber block (442). A plurality of fixing plates (444) are fixedly connected to the outer side of the fixing rods (443). An insulating plate (445) is fixedly connected to the outer side of the fixing rods (443) on one side of the fixing plate (444). The end of the fixing rod (443) away from the fixture (441) is fixedly connected to the lightning protection strip (43). The side of the insulating plate (445) close to the assembly building (1) is tightly fitted to the assembly building (1).

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