Disclosure of Invention
In order to solve the problems, the embodiment designs a telescopic house lightning arrester, which comprises a lightning arrester main body, wherein a lifting cavity is arranged in the lightning arrester main body, a lifting plate capable of moving up and down is arranged in the lifting cavity, a lightning rod for lightning protection and conduction is fixedly arranged on the upper end face of the lifting plate, a connecting cable is electrically connected to the lower end face of the lightning rod, a lifting threaded shaft cavity is communicated with the left wall of the lifting cavity, the left end face of the lifting plate extends leftwards into the lifting threaded shaft cavity, a lifting threaded shaft is rotatably arranged between the upper wall and the lower wall of the lifting threaded shaft cavity, the lifting threaded shaft is in threaded connection with the lifting plate, a gear cavity is communicated with the upper side of the right wall of the lifting cavity, a power input shaft is rotatably arranged between the front wall and the rear wall of the gear cavity, and a straight gear is fixedly connected to the outer circular face of the power input shaft, the lightning arrester comprises a lightning arrester body, a power input shaft, a lifting cavity, a gear cavity, a power output shaft, a rotating straight gear, a lightning arrester gear, a power input shaft, a power output shaft, a power transmission shaft, a lightning arrester and a power transmission device, wherein the rotating straight gear is engaged with the lightning arrester gear, a centrifugal cavity is arranged in the rear wall of the gear cavity, the rear wall of the power input shaft is communicated with the power input shaft, a clamping cavity which is symmetrical front and rear is arranged, the front side and the rear side of the power input shaft are internally provided with the power input shaft, a clamping damping plate which can move back and forth is fixedly connected with the centrifugal gear, the front side and the rear side of the lifting cavity are communicated with the clamping cavity, the front side and the rear side of the two walls of the lifting cavity are provided with the front and rear side symmetrical clamping damping plates, the clamping damping plate which can move back, the front and the front side and rear side of the lightning arrester are abutted against the front and rear side of the outer circle of the lightning arrester, the lightning arrester are provided with the front and rear side of the outer circle of the lightning arrester, the lightning arrester is provided with the outer circle of the L-shaped turnover cavity, the turnover cavity is fixedly connected with the L-shaped turnover cavity, the L-shaped turnover protection plate, the L-shaped turnover closing plate is fixedly connected with the L-shaped turnover closing plate, the L-shaped turnover-shaped, a fixed protection plate capable of moving up and down is arranged in the telescopic protection plate, the fixed protection plate is fixedly connected with the upper side of the outer circular surface of the lightning rod, the lower end of the lightning arrester main body is provided with turnover support cavities with outward openings and left and right symmetry, a support rotating shaft is rotatably arranged between the front wall and the rear wall of the turnover support cavities on the left side and the right side, the outer circle surface of the supporting rotating shaft is fixedly connected with an overturning sleeve, the upper side of the outer circle surface of the overturning sleeve is fixedly provided with an overturning supporting working plate, the end surfaces of the left and right sides of one side of the supporting working plate far away from the symmetry center are fixedly provided with rough damping plates with rough surfaces, a movable switching cavity is arranged in the lower wall of the lifting cavity, a switching insulating plate capable of moving left and right is arranged in the movable switching cavity, and a conductive connecting plate made of a conductive material is fixedly arranged in the switching insulating plate, and the lower end face of the connecting cable extends into the movable switching cavity and abuts against the upper end face of the conductive connecting plate.
Preferably, the switching insulation board left end face is fixedly connected with a moving connecting board, the moving switching cavity left wall is communicated with a switching moving cavity, the moving connecting board left end face extends to the switching moving cavity leftwards, a switching threaded shaft is arranged on the switching moving cavity left wall in a rotating mode, the switching threaded shaft is in threaded connection with the moving connecting board, a switching motor is fixedly arranged in the switching moving cavity left wall, the switching threaded shaft left end is in power connection with the switching motor, a ground conducting cable is arranged on the moving switching cavity lower wall in a communicating mode, and the upper end of the ground conducting cable abuts against the lower end face of the conductive connecting board.
Preferably, meshing cavities are formed in the rear walls of the left and right overturning cavities, the rear end faces of the left and right overturning supporting shafts extend backwards into the meshing cavities and are fixedly connected with rotating bevel gears, meshing bevel gears meshed with the rotating bevel gears are rotatably arranged on the end walls of one sides of the two meshing cavities close to the centers of symmetry, and transmission shafts are fixedly connected between the axes of the left and right meshing bevel gears close to the centers of symmetry.
Preferably, a lifting motor is fixedly arranged in the lower lifting threaded shaft wall, the lower end of the lifting threaded shaft cavity is in power connection with the lifting motor, a bevel gear cavity is formed in the lower side of the lifting motor, a power bevel gear is arranged on the upper wall of the bevel gear cavity in a rotating mode, the upper end face of the power bevel gear is in power connection with the lifting motor, a reversing bevel gear meshed with the power bevel gear is arranged on the right wall of the bevel gear cavity in a rotating mode, a rotating shaft is fixedly connected to the right end face of the reversing bevel gear in the rotating mode, a belt wheel cavity inclined to the rear upper side is arranged in the right wall of the bevel gear cavity, the right end face of the rotating shaft extends to the inside of the belt wheel cavity and is fixedly connected with a driving belt wheel, the transmission shaft penetrates through the left side and the right side of the belt wheel cavity and is fixedly connected with a driven belt wheel, and a transmission belt is arranged between the driven belt wheel and the driving belt wheel.
Preferably, the centrifugal wheel is internally distributed with clutch cavities with outward openings in an annular matrix arrangement manner, clutch sliders capable of moving left and right are arranged in the clutch cavities, the clutch sliders are close to one side end face of the centrifugal wheel and are fixedly connected with clutch springs between the end walls of one side of the axis of the centrifugal wheel, the clutch sliders are close to the clutch cavities, the switch plates capable of moving left and right and are bilaterally symmetrical are arranged in the centrifugal cavities and are located on the left and right sides of the centrifugal wheel, the switch springs are fixedly connected between the end face of one side of the centrifugal wheel far away from the switch plates and the left and right walls of the centrifugal cavity, and the switch pull ropes are fixedly connected with the end face of one side of the centrifugal wheel far away from the switch plates on the left and right sides.
Preferably, the clamping damping plates are arranged at the front side and the rear side and are far away from the end face on one side of the lightning rod and the clamping cavity is far away from a clamping spring fixedly connected between the end walls on one side of the lightning rod, the clamping damping plates are far away from the end face on one side of the lightning rod and are fixedly connected with connecting pull ropes, and the connecting pull ropes are respectively connected with the switching pull ropes at the front side and the rear side.
But preferably, the left and right sides support the working plate and be close to symmetrical center side end face and be equipped with the inboard support connection chamber of opening, the left and right sides support the upside rotation and be equipped with the support axis of rotation between the two walls around the connection chamber, support the fixed clamping connecting rod that is equipped with can overturn of the outer disc downside of axis of rotation, the terminal surface is equipped with bilateral symmetry and the outside flexible chamber of opening under the clamping connecting rod, the left and right sides flexible intracavity is equipped with and removes and have the flexible clamping plate of certain magnetism about can moving, two flexible clamping plate is close to two symmetrical center side end face respectively with correspond flexible chamber is close to fixedly connected with expanding spring between two flexible chamber symmetrical center side end walls.
Preferably, the support connection cavity is internally provided with a turnover support plate capable of moving up and down, the turnover support plate is internally provided with a support clamping cavity with an upward opening, the lower end surface of the clamping connecting rod extends downwards to the support clamping cavity, the upper sides of the left wall and the right wall of the support clamping cavity are communicated with clamping cavities with bilateral symmetry, the clamping cavities are arranged at the left side and the right side, the clamping cavities are far away from one side end wall of the symmetry center and are fixedly provided with reset electromagnets, the turnover support cavity is arranged at the left side and the right side and is communicated with a moving chute near the end wall of one side of the symmetry center, a clamping rotary drum capable of moving up and down is arranged in the moving chute, a clamping sliding plate is fixedly arranged on the outer circular surface of the clamping rotary drum, and the clamping sliding plate is far away from one side of the symmetry center and corresponds to the lower end surface of the turnover support plate and is hinged with the lower end surface of the two turnover support plates.
Preferably, the left side and the right side are provided with gear cavities in the front wall of the overturning support cavity, the left side and the right side are provided with drive bevel gears meshed with the drive bevel gears in the gear cavities and fixedly connected with driven bevel gears in the front end face of the supporting rotating shaft, the gear cavities are close to one side end wall of the symmetry center, the drive bevel gears are arranged on the left side and the right side and close to one side end face axis of the symmetry center, and the drive bevel gears are respectively in power connection with the rotating motor.
The invention has the beneficial effects that: the lightning rod is descended and closed in a fine day, so that the lightning rod is further protected from being damaged due to the influence of external factors while the lightning rod is reduced from contacting with the external air in the fine day to reduce the oxidation degree of the lightning rod, the device is stably supported when the lightning weather is subjected to strong wind, the rapidly descending lightning rod is decelerated and descended when the lifting plate is broken due to long-time non-overhaul, and the power output connection of the lightning rod is disconnected, so that the lightning rod is not operated in the process of being damaged again, and the safety of a household house is further protected.
Detailed Description
The invention will now be described in detail with reference to figures 1 to 6, for the sake of convenience of description, the orientations described hereinafter are defined as follows: 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 invention relates to a telescopic house lightning arrester, which comprises a lightning arrester main body 11, wherein a lifting cavity 24 is arranged in the lightning arrester main body 11, a lifting plate 21 capable of moving up and down is arranged in the lifting cavity 24, a lightning rod 20 for lightning protection and conduction is fixedly arranged on the upper end surface of the lifting plate 21, the lower end surface of the lightning rod 20 is electrically connected with a connecting cable 30, the left wall of the lifting cavity 24 is communicated with a lifting threaded shaft cavity 59, the left end surface of the lifting plate 21 extends leftwards into the lifting threaded shaft cavity 59, a lifting threaded shaft 22 is rotatably arranged between the upper wall and the lower wall in the lifting threaded shaft cavity 59, the lifting threaded shaft 22 is in threaded connection with the lifting plate 21, a gear cavity 15 is communicated on the upper side of the right wall of the lifting cavity 24, a power input shaft 54 is rotatably arranged between the front wall and the rear wall in the gear cavity 15, a straight gear 16 is fixedly connected on the outer circular surface of the power input shaft 54, the rotating straight gear 16 is in gear engagement with the lightning rod 20, a centrifugal cavity 53 is formed in the rear wall of the gear cavity 15, the rear end face of the power input shaft 54 extends backwards to the centrifugal cavity 53 and is fixedly connected with a centrifugal wheel 48, the upper sides of the front wall and the rear wall of the lifting cavity 24 are communicated with a clamping cavity 43 which is symmetrical in the front and the rear direction, a clamping damping plate 42 which can move back and forth and has a rough surface is arranged in the clamping cavity 43 at the front side and the rear side, the clamping damping plate 42 at the front side and the rear side are abutted against the front side and the rear side of the outer circular face of the lightning rod 20, the upper sides of the left end and the right end of the lightning arrester main body 11 are respectively provided with a turnover cavity 12 with an outward opening, a turnover support shaft 14 is arranged on the left side and the upper side of the turnover cavity 12 between the front wall and the rear wall, an L-shaped turnover closing plate 13 is fixedly connected with the outer circular face of the turnover support shaft 14, and a support protection plate 17 is fixedly arranged on the upper end face of the lightning arrester main body 11, a telescopic protection plate 18 capable of moving up and down is arranged in the support protection plate 17, a fixed protection plate 19 capable of moving up and down is arranged in the telescopic protection plate 18, the fixed protection plate 19 is fixedly connected with the upper side of the outer circular surface of the lightning rod 20, the lower end of the lightning arrester main body 11 is provided with an overturning support cavity 26 with an outward opening and bilateral symmetry, a support rotating shaft 25 is rotatably arranged between the front wall and the rear wall of the overturning support cavity 26 at the left side and the right side, the outer circular surface of the support rotating shaft 25 is fixedly connected with an overturning sleeve 28, the upper side of the outer circular surface of the overturning sleeve 28 is fixedly provided with a turnable support working plate 27, the end surface of one side of the support working plate 27 far away from the symmetry center at the left side and the right side is fixedly provided with a rough shock absorption plate 29 with a rough surface, a movable switching cavity 67 is arranged in the lower wall of the lifting cavity 24, and a switching insulation plate 68 capable of moving left and right is arranged in the movable switching cavity 67, a conductive connecting plate 69 made of a conductive material is fixedly arranged in the switching insulating plate 68, and the lower end surface of the connecting cable 30 extends into the moving switching cavity 67 and is abutted against the upper end surface of the conductive connecting plate 69.
Advantageously, a movable connecting plate 66 is fixedly connected to the left end face of the switching insulating plate 68, a switching movable cavity 64 is arranged in communication with the left wall of the movable switching cavity 67, the left end face of the movable connecting plate 66 extends leftwards into the switching movable cavity 64, a switching threaded shaft 65 is rotatably arranged on the left wall in the switching movable cavity 64, the switching threaded shaft 65 is in threaded connection with the movable connecting plate 66, a switching motor 63 is fixedly arranged in the left wall of the switching movable cavity 64, the left end of the switching threaded shaft 65 is in power connection with the switching motor 63, a ground conducting cable 84 is arranged in communication with the lower wall of the movable switching cavity 67, and the upper end of the ground conducting cable 84 abuts against the lower end face of the conductive connecting plate 69.
Beneficially, the rear walls of the left and right turning cavities 12 are provided with engaging cavities 37, the rear end surfaces of the left and right turning support shafts 14 extend backwards into the engaging cavities 37 and are fixedly connected with rotating bevel gears 36, one side end wall of each of the two engaging cavities 37 close to the symmetric center of the two is rotatably provided with an engaging bevel gear 38 engaged with the rotating bevel gear 36, and a transmission shaft 39 is fixedly connected between the axes of the engaging bevel gears 38 close to the symmetric center of the two.
Advantageously, a lifting motor 60 is fixedly arranged in the lower wall of the lifting threaded shaft cavity 59, the lower end of the lifting threaded shaft 22 is dynamically connected with the lifting motor 60, a bevel wheel cavity 62 is arranged at the lower side of the lifting motor 60, a power bevel gear 61 is rotationally arranged on the upper wall in the bevel wheel cavity 62, the axial cardiac force of the upper end surface of the power bevel gear 61 is connected with the lifting motor 60, a reversing bevel gear 58 meshed with the power bevel gear 61 is rotationally arranged on the right wall in the bevel gear cavity 62, a rotating shaft 57 is fixedly connected with the right end face axis of the reversing bevel gear 58, a belt wheel cavity 41 which is inclined towards the rear upper part is arranged in the right wall of the bevel wheel cavity 62, the right end face of the rotating shaft 57 extends to the right into the pulley cavity 41 and is fixedly connected with a driving pulley 56, the transmission shaft 39 penetrates through the left side and the right side of the pulley cavity 41 and is fixedly connected with a driven pulley 40, and a transmission belt 55 is wound between the driven pulley 40 and the driving pulley 56.
Beneficially, clutch cavities 47 with outward openings are distributed in the centrifugal wheel 48 in an annular matrix arrangement, clutch sliders 50 capable of moving left and right are arranged in the clutch cavities 47, clutch springs 49 are fixedly connected between end surfaces of the clutch sliders 50 close to one side of the centrifugal wheel 48 and end walls of the clutch cavities 47 close to one side of the axis of the centrifugal wheel 48, switch plates 51 capable of moving left and right and symmetrical are arranged in the centrifugal cavity 53 and located on left and right sides of the centrifugal wheel 48, switch springs 46 are fixedly connected between end surfaces of the switch plates 51 far away from one side of the centrifugal wheel 48 and left and right walls of the centrifugal cavity 53, and switch pull ropes 52 are fixedly connected to end surfaces of the switch plates 51 far away from one side of the centrifugal wheel 48 on the left and right sides.
Beneficially, a clamping spring 44 is fixedly connected between an end face of one side of the clamping damping plate 42, which is far away from the lightning rod 20, of the front side and the rear side and an end wall of one side of the clamping cavity 43, which is far away from the lightning rod 20, a connecting pull rope 45 is fixedly connected to an end face of one side of the clamping damping plate 42, which is far away from the lightning rod 20, and the connecting pull ropes 45 of the front side and the rear side are respectively connected to the switching pull ropes 52 of the left side and the right side.
Beneficially, the left and right sides support working plate 27 and be close to centre of symmetry side end face and be equipped with the support connection chamber 80 that the opening is inboard, both sides about support and connect the chamber 80 front and back between the two walls upside rotation and be equipped with support axis of rotation 70, support the fixed clamping connecting rod 73 that can overturn of the excircle downside of axis of rotation 70, the terminal surface is equipped with bilateral symmetry and the outside flexible chamber 76 of opening under the clamping connecting rod 73, the left and right sides be equipped with in the flexible chamber 76 and can control the flexible clamping plate 77 that removes and have certain magnetism about can, two flexible clamping plate 77 is close to two centre of symmetry side end face respectively with correspond flexible chamber 76 is close to fixedly connected with expanding spring 75 between two flexible chamber 76 centre of symmetry side end walls.
Advantageously, a turnover support plate 79 capable of moving up and down is arranged in the support connecting cavity 80, a support clamping cavity 78 with an upward opening is arranged in the turnover support plate 79, the lower end surface of the clamping connecting rod 73 extends downwards into the supporting clamping cavity 78, the upper sides of the left wall and the right wall of the supporting clamping cavity 78 are communicated with clamping cavities 72 which are symmetrical left and right, the end wall of one side of the clamping cavity 72 far away from the symmetrical center at the left side and the right side is fixedly provided with a reset electromagnet 71, the end wall of one side of the overturning supporting cavity 26 close to the symmetrical center at the left side and the right side is communicated with a moving chute 83, a clamping rotary drum 82 capable of moving up and down is arranged in the movable sliding chute 83, a clamping sliding plate 81 is fixedly arranged on the outer circular surface of the clamping rotary drum 82, and the clamping sliding plate 81 on the left side and the right side is hinged between one side, far away from the symmetry center, of the clamping sliding plate 81 and the end surface of one side, close to the symmetry center, of the lower end surface of the corresponding overturning supporting plate 79, of the overturning supporting plate 79.
Beneficially, gear cavities 34 are arranged in front walls of the left and right overturning supporting cavities 26, front end faces of the left and right supporting rotating shafts 25 extend forwards into the gear cavities 34 and are fixedly connected with driven bevel gears 35, end walls of the left and right gear cavities 34 close to one side of the symmetric center are rotatably provided with driving bevel gears 33 engaged with the driven bevel gears 35, the axes of end faces of the left and right driving bevel gears 33 close to one side of the symmetric center are fixedly connected with power rotating shafts 32, and the left and right power rotating shafts 32 are respectively in power connection with the motor 31.
The use steps herein are described in detail below with reference to fig. 1-6:
in the initial operating state, the flip closing plate 13 is in the vertical state, the lightning rod 20 is in the upper limit position, the support operating plate 27 is in the vertical upward state, and the moving switching chamber 67 is in the left limit position.
If there is no thunderstorm weather in a fine and sunny day, the lifting motor 60 is started to drive the lifting threaded shaft 22 to rotate, the lifting threaded shaft 22 rotates to drive the lifting plate 21 to move downwards through threaded connection, the lifting plate 21 drives the lightning rod 20 to move downwards through fixed connection, the lightning rod 20 drives the fixed protective plate 19 to move downwards through fixed connection in the downward movement process, the fixed protective plate 19 moves downwards and pushes the telescopic protective plate 18 to move downwards, then the telescopic protective plate 18 moves to the lower limit position and enables the lower end face to abut against the upper end face of the lightning arrester main body 11, the lifting motor 60 drives the power bevel gear 61 to rotate in the next process, the power bevel gear 61 drives the reversing bevel gear 58 to rotate through gear engagement, the reversing bevel gear 58 drives the driving pulley 56 to rotate through the rotating shaft 57, and the driving pulley 56 drives the driven pulley 40 to rotate through the driving belt 55, at the moment, the driven belt pulley 40 rotates to drive the transmission shaft 39 to rotate, at the moment, the transmission shaft 39 rotates to drive the left and right meshing bevel gears 38 to rotate, at the moment, the left and right meshing bevel gears 38 drive the rotating bevel gear 36 to rotate through gear meshing, at the moment, the rotating bevel gear 36 rotates to drive the turning support shaft 14 to rotate, at the moment, the left and right turning support shafts 14 drive the turning closing plate 13 to turn through fixed connection, at the moment, the left turning closing plate 13 rotates one hundred eighty degrees sequentially, the right turning closing plate 13 rotates one hundred eighty degrees counterclockwise, the left and right turning closing plates 13 are overlapped and the upper end of the lightning rod 20 is sealed, the effect of protecting the lightning rod 20 in sunny days is further achieved, when thunderstorm weather occurs, the lifting motor 60 rotates reversely and drives the lifting threaded shaft 22 to rotate reversely, at the lifting threaded shaft 22 rotates reversely to drive the lifting plate 21 to reset through gear meshing, and the turning closing plate 13 is reset at the same time, at the moment, the lightning rod 20 moves to the upper limit position and performs lightning protection work, and at the same time, the rotating motor 31 is started to drive the power rotating shaft 32 to rotate, at the moment, the power rotating shaft 32 rotates to drive the driving bevel gear 33 to rotate, at the moment, the driving bevel gear 33 drives the driven bevel gear 35 to rotate through gear engagement, at the moment, the driven bevel gear 35 drives the supporting rotating shaft 25 to rotate through rotation, the supporting rotating shaft 25 drives the overturning sleeve 28 to overturn through fixed connection, at the moment, the left overturning sleeve 28 drives the left supporting working plate 27 to overturn anticlockwise through fixed connection, the right overturning sleeve 28 drives the right supporting working plate 27 to overturn clockwise through fixed connection, at the moment, the supporting working plate 27 overturns, and is hinged with the installing and clamping sliding plate 81 through an overturning supporting plate 79 to drive the installing and clamping sliding plate 81 to move upwards, and at the same time, when the overturning supporting plate 79 overturns due to the supporting working plate 27, the installing and clamping connecting rod 73 starts to move relatively to the overturning supporting plate 79, when the supporting working plate 27 is turned to ninety degrees and is in a horizontal state, the clamping connecting rod 73 and the turning supporting plate 79 move relatively and move into the clamping cavity 72 through the telescopic clamping plate 77 to enable the supporting clamping cavity 78 and the clamping connecting rod 73 to be stably clamped, the clamping sliding plate 81 moves to an upper limit position, the lower end face of the rough damping plate 29 is abutted to the ground due to the turning of the supporting working plate 27, the effect of stably supporting the lightning arrester main body 11 is achieved, the lightning arrester main body 11 can be kept stable to a certain degree when strong wind is encountered in thunderstorm weather, the reset electromagnet 71 is started and has a certain magnetic force when the supporting working plate 27 needs to be turned over and reset, the reset electromagnet 71 pushes the telescopic clamping plate 77 to move by the magnetic force of the telescopic spring 75, the clamping connecting rod 73 and the turning supporting plate 79 are not clamped, and then the clamping connecting rod 73 and the turning supporting plate 79 are turned over and reset, when the lightning arrester main body 11 is used for a long time and is not overhauled to a certain degree, so that the lifting plate 21 is broken, the lightning rod 20 descends rapidly due to gravity, the lightning rod 20 descends and is in gear engagement with the rotating spur gear 16 through the lightning rod 20 to drive the rotating spur gear 16 to rotate, the rotating spur gear 16 rotates to drive the centrifugal wheel 48 to rotate through the transmission of the power input shaft 54, the centrifugal wheel 48 rotates at the same time and increases the centrifugal force applied to the clutch slider 50, the clutch slider 50 increases due to the centrifugal force and enables the clutch slider 50 to move outwards against the elastic force of the clutch spring 49, the clutch slider 50 pushes the switching plate 51 to move outwards against the elastic force of the switching spring 46, the switching pull rope 52 is connected with the connecting pull rope 45 without tensioning, the clamping damping plate 42 increases the pushing force to the side close to the lifting cavity 24 due to the elastic force of the clamping spring 44, the clamping damping plate 42 increases the friction force with the lightning rod 20 through rough surface, further slowing down the descending speed of the lightning rod 20 and further protecting the lightning rod 20 from the internal damage caused by the rapid falling, at this time, the switching motor 63 is started and drives the switching threaded shaft 65 to rotate, at this time, the switching threaded shaft 65 rotates and drives the moving connecting plate 66 to move rightwards through threaded connection, the moving connecting plate 66 drives the switching insulating plate 68 to move rightwards through fixed connection, at this time, the switching insulating plate 68 moves rightwards and disconnects the electric connection of the conductive connecting plate 69 with the connecting cable 30 and the ground conducting cable 84, and electrically disconnects the conductive connection plate 69 from the connection cable 30 through the insulating switching insulation plate 68, and then reach the in-process that damages in the device, make the effect of lightning rod 20 electric connection disconnection, further protection device damages the effect that the in-process does not carry out lightning-arrest work again, makes the house of family safer.
The invention has the beneficial effects that: the lightning rod is descended and closed in a fine day, so that the lightning rod is further protected from being damaged due to the influence of external factors while the lightning rod is reduced from contacting with the external air in the fine day to reduce the oxidation degree of the lightning rod, the device is stably supported when the lightning weather is subjected to strong wind, the rapidly descending lightning rod is decelerated and descended when the lifting plate is broken due to long-time non-overhaul, and the power output connection of the lightning rod is disconnected, so that the lightning rod is not operated in the process of being damaged again, and the safety of a household house is further protected.
The above embodiments are only for illustrating the technical idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the protection scope of the present invention by this. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.