CN112652952A

CN112652952A - Lightning arrester protection device for building

Info

Publication number: CN112652952A
Application number: CN202011584309.1A
Authority: CN
Inventors: 高鑫鹏
Original assignee: Nanjing Keshengsheng Trading Co ltd
Current assignee: Nanjing Keshengsheng Trading Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-04-13

Abstract

The invention discloses a lightning receptor protective device for lightning protection of buildings, which comprises a box body, wherein an inner cavity with an upward opening is arranged in the box body, a cavity is arranged in the lower wall of the inner cavity, the front wall of the upper side of the cavity is communicated with the inner cavity, the lower wall of the inner cavity is communicated with a sliding groove, two sliding blocks which slide left and right are arranged in the sliding groove, the sliding blocks are rotatably connected with folding rods, the folding rod can be folded and lifted, the invention can indirectly control the opening and closing of the cover plate by utilizing the screw thread transmission, and the lifting of the needle-shaped lightning receptor is controlled together by the matching of the folding rod and the sliding block, so that the needle-shaped lightning receptor is protected in normal weather, the damage degree of the lightning receptor is reduced as much as possible, and meanwhile, the electromagnetic spring is indirectly matched with the cam, thereby controlling the paint spraying device to spray paint to the needle-shaped lightning arrester after paint removal, and prolonging the service life of the lightning arrester.

Description

Lightning arrester protection device for building

Technical Field

The invention relates to the relevant field of lightning protection devices, in particular to a lightning receptor protection device for lightning protection of a building.

Background

The lightning arrester is generally composed of lightning receptors, down leads and a grounding device, lightning rods are mostly adopted in the lightning receptors installed on the building, the traditional lightning rod is fixedly installed at the highest position of the building, a protection device is not arranged on the periphery of the lightning rod, the surface of the lightning rod is easy to drop under the action of wind, rainwater and sunshine, and the lightning rod can be damaged in an accelerated manner after the rust-proof paint drops, so that the normal lightning protection function can be lost.

Disclosure of Invention

In order to solve the problems, the embodiment designs a lightning arrester protective device for lightning protection of a building, which comprises a box body, wherein an inner cavity with an upward opening is arranged in the box body, a cavity is arranged in the lower wall of the inner cavity, the upper front wall of the cavity is communicated with the inner cavity, the lower wall of the inner cavity is communicated with a sliding groove, two sliding blocks which slide left and right are arranged in the sliding groove, a folding rod is rotatably connected to the sliding blocks, the folding rod can be folded and lifted, a guide spring is respectively connected between one end of each sliding block, which is far away from the folding rod, and the left wall and the right wall of the sliding groove, the upper end of each folding rod is fixedly connected with two guide blocks, the upper ends of the guide blocks are slidably connected with a support plate, a guide groove with a downward opening is arranged in the lower end of the support plate, and the guide blocks, a limiting spring is connected between one end of the guide block, which is far away from the folding rod, and the left wall and the right wall of the guide groove, the upper end of the support plate is rotatably connected with a support block, a transmission gear is fixedly connected on the support block, an acicular lightning arrester is installed at the upper end of the support block, the left wall and the right wall of the inner cavity are respectively communicated with a limiting groove, one side of the limiting groove, which is far away from the acicular lightning arrester, is communicated with the cavity, the lower walls of the left side and the right side of the cavity are respectively rotatably connected with a threaded shaft, a limiting block is slidably connected on the threaded shaft, one end of the limiting block, which is close to the acicular lightning arrester, extends into the limiting groove, a connecting spring is connected between the lower wall of the limiting groove and the lower end of the limiting block, one end of the limiting block, which is close, one end of the cover plate close to the needle-shaped lightning receptor is fixedly connected with a fixed block, the upper end of the joint rod is hinged with the fixed block, the inner lower wall of the front side of the cavity is provided with a gear shaft in a sliding manner, the upper end of the gear shaft extends into the inner cavity, the upper end of the gear shaft is fixedly connected with a driving gear, the gear shaft is rotatably connected with a connecting block, the inner front wall of the cavity is internally provided with a conductive block, the rear end of the conductive block is electrically connected with an electromagnetic spring, the right end of the electromagnetic spring is connected with the front end of the connecting block, the rear wall of the rear side of the cavity is rotatably connected with a cam shaft, the front end of the cam shaft extends into the inner cavity, the front end of the cam shaft is fixedly connected with a cam, the rear wall of the inner, a power switch is fixedly arranged in the rear wall of the lower side of the linking spring, the conductive block is electrically connected with the power switch, the rear end of the paint spraying device is electrically connected with the power switch, the front end of the paint spraying device is fixedly connected with a paint spraying head, the upper end of the paint spraying device is fixedly connected with a buffer spring, the upper end of the buffer spring is fixedly connected with the upper wall of the linking spring, when a thunderstorm occurs, the lightning arrester is started, the threaded shaft rotates to drive the limiting block to slide upwards to drive the linking rod to move upwards, meanwhile, one end of the cover plate close to the needle-shaped lightning arrester is pushed to rotate upwards to open the upper wall of the inner cavity, at the moment, the two sliding blocks slide towards one side close to the needle-shaped lightning arrester along the sliding grooves to drive the upper side of the folding rods to move upwards, and simultaneously drive the guide block to slide towards one side close to the needle-shaped lightning arrester along the guide grooves, and then drive the said shoe plate to move upwards, drive the said supporting shoe to move upwards at the same time, and then drive the said drive gear to move upwards, drive the said needle-like arrester to move upwards at the same time, and then the said needle-like arrester moves to the outside, and protect the building, because the anti-rust paint on the said needle-like arrester is easy to drop off by long-time weathering or rainwater, and the said needle-like arrester after dropping out is damaged with higher speed, the procedure setting carries on the painting treatment to the said needle-like arrester regularly, at this moment the said needle-like arrester locates in the said cavity, and the said cavity upper wall is closed, the procedure controls the said conducting block to energize at the same time, and indirectly control the said mains switch to begin to operate, at this moment the said conducting block controls the said electromagnetic spring to lengthen backwards, and then drive the said connecting block and said gear shaft to move backwards, the said driving, at the moment, the rear end of the driving gear is meshed with the front end of the transmission gear, the power switch controls the paint spraying device to start working, meanwhile, the gear shaft rotates to drive the driving gear to rotate, further drive the transmission gear to rotate, simultaneously drive the supporting block to rotate, further drive the needle-shaped lightning arrester to rotate, simultaneously, the cam shaft rotates to drive the cam to rotate, further drive the connecting plate to move up and down, and simultaneously drive the paint spraying device and the paint spraying head to slide up and down, so that the needle-shaped lightning arrester is sprayed with paint.

Beneficially, a motor box is fixedly arranged on the lower wall of the cavity, a motor installation cavity is arranged in the motor box, a motor is fixedly arranged on the lower wall of the motor installation cavity, a motor shaft is respectively and dynamically connected to the left end and the right end of the motor, one end, far away from the motor, of the motor shaft extends into the cavity, one end, far away from the motor, of the motor shaft is fixedly connected with a driving bevel gear, a driven bevel gear is fixedly connected to the lower side of the threaded shaft, one end, close to the motor, of the driven bevel gear is meshed with the upper end of the driving bevel gear, the motor is started at the moment, the motor shaft is driven to rotate, the driving bevel gear is driven to rotate, the.

Beneficially, a rolling gear is fixedly connected to the threaded shaft on the left side, a sliding rack capable of sliding back and forth is arranged on the left wall on the left side of the cavity, the right end of the sliding rack is meshed with the left end of the rolling gear, a bevel gear shaft is rotatably connected to the rear side of the sliding rack, a transmission bevel gear is fixedly connected to the front end of the bevel gear shaft, a connecting shaft sleeve is rotatably connected to the rear wall on the left side of the cavity, the rear end of the bevel gear shaft is connected to the connecting shaft sleeve in a splined manner, the threaded shaft on the left side rotates to drive the rolling gear to rotate, further drive the sliding rack to move forward, simultaneously drive the bevel gear shaft and the transmission bevel gear to slide forward along the connecting shaft sleeve, further drive the upper end of the transmission bevel gear to be meshed with the rear end of the driven bevel gear on the, and then drive bevel gear axle rotates, drives simultaneously the linking axle sleeve rotates.

Beneficially, the right wall of the rear side of the cavity is communicated with a linking belt cavity with a forward opening, the right rear wall of the linking belt cavity and the rear wall of the lower side of the inner cavity are respectively and rotatably connected with a synchronizing gear shaft, a synchronizing gear is fixedly connected to the synchronizing gear shaft, the right end of the synchronizing gear at the left side is meshed with the left end of the synchronizing gear at the right side, the rear end of the sliding block is fixedly connected with a positioning rod, the positioning rod and the synchronizing gear shaft are respectively and fixedly connected with a connecting belt wheel, a connecting belt is connected between the two connecting belt wheels, the linking belt is located in the linking belt cavity, and at the moment, the linking shaft sleeve rotates to drive the synchronizing gear shaft at the left side to rotate, so as to drive the synchronizing gear at the left side to rotate and drive the synchronizing gear at the right side to reversely rotate, and then drive the right side synchronous gear shaft and rotate in reverse direction, drive two simultaneously the locating lever respectively to be close to the motion of one side of needle-like arrester, and then drive two the sliding block is along the sliding tray is to the motion of one side of being close to the needle-like arrester.

Beneficially, the motor front and back end is power connection respectively and has the worm, the gear shaft downside has linked firmly the worm wheel, the worm wheel left end meshes in the front side the worm right-hand member, the rear side the worm rear end stretches in the cavity rear side, and the rear side the worm rear end rotate connect in cavity rear side back wall, camshaft and rear side have linked firmly driving pulley, two respectively on the worm between the driving pulley, start this moment the motor drives the front and back side the worm rotates, and then drives the camshaft rotates, drives simultaneously the worm wheel rotates, and then drives the gear shaft rotates.

The invention has the beneficial effects that: according to the invention, the opening and closing of the cover plate can be indirectly controlled by utilizing the screw transmission, the lifting of the needle-shaped lightning receptor is jointly controlled by matching the folding rod with the sliding block, the needle-shaped lightning receptor is protected in normal weather, the damage degree of the lightning receptor is reduced as much as possible, and meanwhile, the electromagnetic spring is indirectly matched with the cam, so that the paint spraying device is controlled to spray paint on the needle-shaped lightning receptor after paint removal, and the service life of the lightning receptor is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of a lightning receptor protection device for lightning protection of a building according to the present invention;

FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;

FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;

fig. 4 is an enlarged structural view of "C" of fig. 2.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The lightning arrester protection device for lightning protection of buildings comprises a box body 11, an inner cavity 12 with an upward opening is arranged in the box body 11, a cavity 19 is arranged in the lower wall of the inner cavity 12, the upper front wall of the cavity 19 is communicated with the inner cavity 12, the lower wall of the inner cavity 12 is communicated with a sliding groove 30, two sliding blocks 29 sliding left and right are arranged in the sliding groove 30, a folding rod 23 is rotatably connected onto the sliding blocks 29, the folding rod 23 can be folded and lifted, a guide spring 28 is respectively connected between one end of the sliding block 29, which is far away from the folding rod 23, and the left and right walls of the sliding groove 30, two guide blocks 22 are fixedly connected onto the upper end of the folding rod 23, a support plate 21 is slidably connected onto the upper end of the guide block 22, a guide groove 40 with a downward opening is arranged in the lower end of the support plate 21, and the, a limiting spring 39 is connected between one end of the guide block 22 far away from the folding rod 23 and the left and right walls of the guide groove 40, the upper end of the support plate 21 is rotatably connected with a support block 17, a transmission gear 20 is fixedly connected to the support block 17, the needle-shaped lightning receptor 14 is installed at the upper end of the support block 17, the left and right walls of the inner cavity 12 are respectively communicated with a limiting groove 42, one side of the limiting groove 42 far away from the needle-shaped lightning receptor 14 is communicated with the cavity 19, the lower walls of the left and right sides of the cavity 19 are respectively rotatably connected with a threaded shaft 43, a limiting block 41 is slidably connected on the threaded shaft 43, one end of the limiting block 41 close to the needle-shaped lightning receptor 14 extends into the limiting groove 42, a connecting spring 73 is connected between the lower wall of the limiting groove 42 and the lower end of the limiting block 41, and one end of the limiting block, two connecting shafts 18 are fixedly connected between the front wall and the rear wall of the upper side of the inner cavity 12, a cover plate 13 is rotatably connected onto the connecting shafts 18, one end of the cover plate 13, which is close to the needle-shaped lightning receptor 14, is fixedly connected with a fixed block 16, the upper end of a connecting rod 15 is hinged onto the fixed block 16, a gear shaft 50 is slidably arranged on the inner lower wall of the front side of the cavity 19, the upper end of the gear shaft 50 extends into the inner cavity 12, a driving gear 46 is fixedly connected onto the upper end of the gear shaft 50, a connecting block 49 is rotatably connected onto the gear shaft 50, a conductive block 48 is arranged in the front wall of the inner cavity 12, the rear end of the conductive block 48 is electrically connected with an electromagnetic spring 47, the right end of the electromagnetic spring 47 is connected onto the front end of the connecting block 49, the rear wall of the rear side of the cavity, the rear wall of the inner cavity 12 is provided with a connecting plate 68 which slides up and down, the lower end of the connecting plate 68 abuts against the upper end of the cam 71, the upper end of the connecting plate 68 is provided with a paint spraying device 66, the rear wall of the inner cavity 12 is communicated with a linking spring 67, a power switch 69 is fixedly arranged in the rear wall of the lower side of the linking spring 67, the conductive block 48 is electrically connected with the power switch 69, the rear end of the paint spraying device 66 is electrically connected with the power switch 69, the front end of the paint spraying device 66 is fixedly connected with a paint spraying head 65, the upper end of the paint spraying device 66 is fixedly connected with a buffer spring 45, the upper end of the buffer spring 45 is fixedly connected with the upper wall of the linking spring 67, when a thunderstorm occurs, the lightning protection device is started, at the moment, the threaded shaft 43 rotates to drive the limit block 41 to slide upwards, further drive the linking rod 15 to move upwards, and simultaneously push the end, then the upper wall of the inner cavity 12 is opened, at this time, the two sliding blocks 29 slide to a side close to the needle-shaped lightning receptor 14 along the sliding grooves 30, so as to drive the folding rod 23 to move upward, and at the same time, the guide block 22 slides to a side close to the needle-shaped lightning receptor 14 along the guide grooves 40, so as to drive the support plate 21 to move upward, and at the same time, the support block 17 is driven to move upward, so as to drive the transmission gear 20 to move upward, and at the same time, the needle-shaped lightning receptor 14 is driven to move upward, so as to move the needle-shaped lightning receptor 14 to the outside, and protect the building, since the anti-rust paint on the needle-shaped lightning receptor 14 is easily released due to long-time weathering or rain, and the needle-shaped lightning receptor 14 after being released is damaged at an accelerated speed, the program sets up the needle-shaped lightning receptor 14 to be painted, at this time, the needle-shaped lightning receptor 14 is located in the inner cavity 12, the upper wall of the inner cavity 12 is closed, the conductive block 48 is powered on under program control, and the power switch 69 is indirectly controlled to start operation, at this time, the conductive block 48 controls the electromagnetic spring 47 to extend backwards, so as to drive the connecting block 49 and the gear shaft 50 to move backwards, and at the same time, the driving gear 46 moves backwards, at this time, the rear end of the driving gear 46 is meshed with the front end of the transmission gear 20, and the power switch 69 controls the paint spraying device 66 to start working, and at the same time, the gear shaft 50 rotates, so as to drive the driving gear 46 to rotate, so as to drive the transmission gear 20 to rotate, and at the same time, the supporting block 17 is driven to rotate, so as to drive the needle-shaped lightning receptor 14 to rotate, and at the same time, meanwhile, the paint spraying device 66 and the paint spraying head 65 are driven to slide up and down, and the needle-shaped lightning arrester 14 is further subjected to paint spraying treatment.

Beneficially, a motor box 33 is fixedly arranged on the lower wall of the cavity 19, a motor installation cavity 31 is arranged in the motor box 33, a motor 32 is fixedly arranged on the lower wall of the motor installation cavity 31, a motor shaft 35 is respectively and dynamically connected to the left end and the right end of the motor 32, one end, far away from the motor 32, of the motor shaft 35 extends into the cavity 19, one end, far away from the motor 32, of the motor shaft 35 is fixedly connected to a drive bevel gear 37, a driven bevel gear 38 is fixedly connected to the lower side of the threaded shaft 43, one end, close to the motor 32, of the driven bevel gear 38 is meshed with the upper end of the drive bevel gear 37, at this time, the motor 32 is started to drive the motor shaft 35 to rotate, and further drive the drive bevel gear 37 to rotate, and simultaneously drive.

Beneficially, the left threaded shaft 43 is fixedly connected with a rolling gear 25, the left wall of the left side of the cavity 19 is provided with a sliding rack 24 capable of sliding back and forth, the right end of the sliding rack 24 is meshed with the left end of the rolling gear 25, the rear side of the sliding rack 24 is provided with a bevel gear shaft 26 in a rotating connection, the front end of the bevel gear shaft 26 is fixedly connected with a transmission bevel gear 27, the rear wall of the left side of the cavity 19 is rotatably connected with a connecting sleeve 64, the rear end of the bevel gear shaft 26 is connected in the connecting sleeve 64 through a spline, at this time, the left threaded shaft 43 rotates to drive the rolling gear 25 to rotate, further, the sliding rack 24 is driven to move forward, meanwhile, the bevel gear shaft 26 and the transmission bevel gear 27 are driven to slide forward along the connecting sleeve 64, further, the upper end of the transmission bevel gear 27 is driven to be meshed with the rear, the driving bevel gear 37 is driven to rotate, so as to drive the bevel gear shaft 26 to rotate, and simultaneously drive the connecting shaft sleeve 64 to rotate.

Beneficially, the right wall of the rear side of the cavity 19 is communicated with an engaging belt cavity 63 with a forward opening, the right rear wall of the engaging belt cavity 63 and the rear wall of the lower side of the inner cavity 12 are respectively and rotatably connected with a synchronizing gear shaft 59, the synchronizing gear shaft 59 is fixedly connected with a synchronizing gear 60, the right end of the synchronizing gear 60 at the left side is meshed with the left end of the synchronizing gear 60 at the right side, the rear end of the sliding block 29 is fixedly connected with a positioning rod 56, the positioning rod 56 and the synchronizing gear shaft 59 are respectively and fixedly connected with a connecting belt pulley 57, a connecting belt 58 is connected between the two connecting belt pulleys 57, the synchronizing gear shaft 59 at the left side and the engaging sleeve 64 are respectively and fixedly connected with an engaging belt 61, an engaging belt 62 is connected between the two engaging belt pulleys 61, the engaging belt 62 is located in the engaging belt cavity 63, at this time, the engaging sleeve 64 rotates to drive the synchronizing, and then the left-side synchronizing gear 60 is driven to rotate, and at the same time, the right-side synchronizing gear 60 is driven to rotate reversely, so that the right-side synchronizing gear shaft 59 is driven to rotate reversely, and at the same time, the two positioning rods 56 are driven to move towards one side close to the needle-shaped lightning receptor 14, respectively, so that the two sliding blocks 29 are driven to move towards one side close to the needle-shaped lightning receptor 14 along the sliding grooves 30.

Beneficially, the front end and the rear end of the motor 32 are respectively in power connection with a worm 52, the lower side of the gear shaft 50 is fixedly connected with a worm wheel 51, the left end of the worm wheel 51 is meshed with the front side, the right end of the worm 52 is meshed with the rear side, the rear side of the worm 52 extends into the rear side of the cavity 19, the rear end of the worm 52 is rotatably connected with the rear wall of the rear side of the cavity 19, the cam shaft 70 and the rear side of the worm 52 are respectively and fixedly connected with a driving belt wheel 54, two driving belts 55 are connected between the driving belt wheels 54, the motor 32 is started at the moment, the front side and the rear side of the worm 52 are driven to rotate, and then the cam shaft 70 is driven to rotate.

The following describes in detail the use steps of a lightning receptor protection device for lightning protection of a building with reference to fig. 1 to 4:

initially, the connecting spring 73 is in a natural state, the needle-like lightning receptor 14 and the stopper 41 are in the lower limit position, and the driving gear 46 is in the front limit position.

When a thunderstorm occurs, the lightning arrester is started, the motor 32 is started, the motor shaft 35 is driven to rotate, the driving bevel gear 37 is driven to rotate, the driven bevel gear 38 is driven to rotate, the threaded shaft 43 is driven to rotate, the limiting block 41 is driven to slide upwards, the connecting rod 15 is driven to move upwards, one end of the cover plate 13 close to the needle-shaped lightning receptor 14 is pushed to rotate upwards, the upper wall of the inner cavity 12 is opened, the left threaded shaft 43 rotates, the rolling gear 25 is driven to rotate, the sliding rack 24 is driven to move forwards, the bevel gear shaft 26 and the transmission bevel gear 27 are driven to slide forwards along the connecting shaft sleeve 64, the upper end of the transmission bevel gear 27 is driven to be meshed with the rear end of the left driven bevel gear 38, the left driven bevel gear 38 rotates, the driving bevel gear 37 is driven to rotate, and the bevel gear, simultaneously, the linking shaft sleeve 64 is driven to rotate, so that the left synchronous gear shaft 59 is driven to rotate, the left synchronous gear 60 is driven to rotate, the right synchronous gear 60 is driven to rotate reversely, the right synchronous gear shaft 59 is driven to rotate reversely, the two positioning rods 56 are driven to move towards one side close to the needle-shaped lightning receptor 14 respectively, the two sliding blocks 29 are driven to move towards one side close to the needle-shaped lightning receptor 14 along the sliding grooves 30, the folding rods 23 are driven to move upwards, the guide block 22 is driven to slide towards one side close to the needle-shaped lightning receptor 14 along the guide grooves 40, the supporting plate 21 is driven to move upwards, the supporting block 17 is driven to move upwards, the transmission gear 20 is driven to move upwards, the needle-shaped lightning receptor 14 is driven to move upwards, and the needle-shaped lightning receptor 14 moves to the outside and protects the building;

since the anti-rust paint on the needle-shaped lightning receptor 14 is easily dropped off due to long-term weathering or rain, and the dropped needle-shaped lightning receptor 14 is damaged at an accelerated speed, the program setting periodically performs paint spraying treatment on the needle-shaped lightning receptor 14, at this time, the needle-shaped lightning receptor 14 is located in the inner cavity 12, the upper wall of the inner cavity 12 is closed, the program control conductive block 48 is electrified, and the indirect control power switch 69 starts to operate, at this time, the conductive block 48 controls the electromagnetic spring 47 to extend backwards, so as to drive the connecting block 49 and the gear shaft 50 to move backwards, and at the same time, the driving gear 46 moves backwards, at this time, the rear end of the driving gear 46 is driven to be meshed with the front end of the transmission gear 20, and the power switch 69 controls the paint spraying device 66 to start to operate, at the same time, the motor 32 drives the worm 52 to rotate, and further, at the same time, the supporting block 17 is driven to rotate, so as to drive the needle-shaped lightning receptor 14 to rotate, and at the same time, the rear worm 52 rotates, so as to drive the cam shaft 70 to rotate, so as to drive the cam 71 to rotate, so as to drive the connecting plate 68 to move up and down, and at the same time, the paint spraying device 66 and the paint spraying head 65 are driven to slide up and down, so as to perform paint spraying treatment on the needle-shaped lightning receptor 14.

The above-mentioned embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a lightning receptor protector for building is lightning-arrest, includes the box, its characterized in that: an inner cavity with an upward opening is arranged in the box body, a cavity is arranged in the lower wall of the inner cavity, the upper front wall of the cavity is communicated with the inner cavity, the lower wall of the inner cavity is communicated with a sliding groove, two sliding blocks which slide left and right are arranged in the sliding groove, a folding rod is rotatably connected to the sliding blocks, the folding rod can be folded and lifted, one end of each sliding block, away from the folding rod, is respectively connected with a guide spring between the left wall and the right wall of the sliding groove, the upper end of each folding rod is fixedly connected with two guide blocks, the upper end of each guide block is slidably connected with a support plate, a guide groove with a downward opening is arranged in the lower end of the support plate, the guide blocks are positioned in the guide grooves, a limit spring is connected between one end of each guide block, away from the folding rod, and the, the needle-shaped lightning arrester is mounted at the upper end of the supporting block, the left wall and the right wall of the inner cavity are respectively communicated with a limiting groove, one side of the limiting groove, which is far away from the needle-shaped lightning arrester, is communicated with the cavity, the lower walls of the left side and the right side of the cavity are respectively and rotatably connected with a threaded shaft, the threaded shaft is slidably connected with a limiting block, one end of the limiting block, which is close to the needle-shaped lightning arrester, extends into the limiting groove, a connecting spring is connected between the lower end of the limiting groove and the lower end of the limiting block, one end of the limiting block, which is close to the needle-shaped lightning arrester, is rotatably connected with a connecting rod, two connecting shafts are fixedly connected between the front wall and the rear wall of the upper side of the inner cavity, a cover plate is rotatably connected onto the connecting shaft, the upper end of the gear shaft extends into the inner cavity, the upper end of the gear shaft is fixedly connected with a driving gear, the gear shaft is rotatably connected with a connecting block, a conductive block is arranged in the front wall of the inner cavity, the rear end of the conductive block is electrically connected with an electromagnetic spring, the right end of the electromagnetic spring is connected with the front end of the connecting block, the rear wall of the rear side of the cavity is rotatably connected with a cam shaft, the front end of the cam shaft extends into the inner cavity, the front end of the cam shaft is fixedly connected with a cam, the rear wall of the inner cavity is provided with a connecting plate which can slide up and down, the lower end of the connecting plate is abutted against the upper end of the cam, the upper end of the connecting plate is provided with a paint spraying device, the rear wall of the inner cavity is communicated with a linking spring, a power switch, the front end of the paint spraying device is fixedly connected with a paint spraying head, the upper end of the paint spraying device is fixedly connected with a buffer spring, and the upper end of the buffer spring is fixedly connected with the upper wall of the linking spring.

2. A lightning receptor guard means for lightning protection of a building according to claim 1, characterised in that: the cavity lower wall has set firmly the motor case, be equipped with the motor installation cavity in the motor case, motor installation cavity lower wall has set firmly the motor, the power connection has the motor shaft respectively to the left and right ends of motor, the motor shaft is kept away from the one end of motor stretches in the cavity, just the motor shaft is kept away from the one end of motor has linked firmly drive bevel gear, it has linked firmly driven bevel gear on the threaded spindle downside, driven bevel gear is close to the one end meshing of motor is in the drive bevel gear upper end.

3. A lightning receptor guard means for lightning protection of a building according to claim 1, characterised in that: the left side the threaded shaft is fixedly connected with a rolling gear, the left wall of the left side of the cavity is provided with a sliding rack capable of sliding back and forth, the right end of the sliding rack is meshed with the left end of the rolling gear, the rear side of the sliding rack is internally provided with a bevel gear shaft in a rotating connection mode, the front end of the bevel gear shaft is fixedly connected with a transmission bevel gear, the rear wall of the left side of the cavity is rotatably connected with a linking shaft sleeve, and the rear end of the bevel gear shaft is in splined connection with the linking shaft sleeve.

4. A lightning receptor guard means for lightning protection of a building according to claim 1, characterised in that: cavity rear side right wall intercommunication has the forward linking area chamber of opening, linking area chamber right side rear wall with inner chamber below rear wall rotates respectively and is connected with the synchronizing gear axle, synchronizing gear links firmly on the synchronizing gear axle, the left side synchronizing gear right-hand member meshing right side the synchronizing gear left end, the sliding block rear end links firmly has the locating lever, the locating lever with synchronizing gear epaxial connection band pulley has been linked firmly respectively, be connected with the connecting band between two connection band pulleys, the left side synchronizing gear axle with link up the band pulley, two on the linking axle sleeve link firmly respectively be connected with between the linking band pulley and link up the area, it is located to link up the area intracavity.

5. A lightning receptor guard means for lightning protection of a building according to claim 2, characterised in that: the motor front and rear ends are respectively in power connection with a worm, a worm wheel is fixedly connected to the lower side of the gear shaft, the left end of the worm wheel is meshed with the front side, the right end of the worm is meshed with the rear side, the rear end of the worm stretches into the cavity rear side, the rear end of the worm is rotatably connected to the rear wall of the cavity rear side, and transmission belt wheels are fixedly connected to the worm shaft and the rear side respectively and are connected with transmission belts.