A multi-chamber arc-blowing lightning protection device for power grid safety protection

Abstract

The present invention belongs to the field of power grid safety technology, and in particular to a multi-chamber arc-blowing lightning protection device for power grid safety. Aiming at the existing problems of fixed angle, inability to adjust, and fixed length, the following scheme is proposed, which includes a lightning protection mounting frame, the left end of the lightning protection mounting frame is integrally processed with a lightning protection support arm, the left side of the lightning protection support arm is slidably connected with a support rod, and the left end of the support rod is hinged with a power grid safety arc-blowing lightning protection frame; the surface of the power grid safety arc-blowing lightning protection frame is provided with a lightning protection cover, and a small gear can drive the power grid safety arc-blowing lightning protection frame to rotate, thereby adjusting the angle between the power grid safety arc-blowing lightning protection frame and the support rod, which is convenient for adjustment according to on-site conditions and does not require on-site processing, and the telescopic mechanism can drive the telescopic screw rod to rotate, and the telescopic screw rod can be used to drive the support rod to extend inside the lightning protection support arm, thereby ensuring the lightning protection effect.

Description

Technical Field

[0001] The invention relates to the technical field of power grid safety, and in particular to a multi-chamber arc-blowing lightning protection device for power grid safety assurance. Background Art

[0002] The Chinese patent document with application number 202210900545.2 discloses an arc-blowing lightning protection device for a distribution network, which includes an electric pole, a fixed wire clamp, a positioning mechanism and an arc blower. When in use, the device needs to be installed on the upper end of the electric pole, the cross arm is fixed to the electric pole through a positioning frame, and the transmission line is connected to the cross arm through an insulator. The fixed wire clamp is first clamped to the transmission line, and under the action of the transverse movement device and the vertical movement device, the position between the lower arc-starting rod and the upper arc-starting rod is adjusted, the arc blower is bolted to the left side of the cross arm, and the detector is connected to the controller through a wire. When the transmission line is struck by lightning, the air gap between the upper arc-starting rod and the lower arc-starting rod will be broken down first to generate an arc. At this time, the detector detects the lightning strike signal and transmits the lightning strike signal to the controller. The controller controls the gas storage bottle to open, and compressed gas is sprayed through the nozzle to blow the arc longer and blow it off, thereby achieving a good arc extinguishing effect. The present invention has the advantages of easy installation, easy adjustment, good stability and fast arc extinguishing speed.

[0003] However, the arc-blowing lightning protection device of the distribution network also has some problems. For example, its angle is fixed after installation and cannot be adjusted according to the on-site conditions. In order to obtain the appropriate angle, the device often needs to be bent on-site, which is very inconvenient. Moreover, the length of the device cannot be adjusted, which can easily affect lightning protection. Summary of the invention

[0004] Based on the technical problems that the background technology has a fixed angle, cannot be adjusted, and has a fixed length, the present invention proposes a multi-chamber arc-blowing lightning protection device for power grid safety protection.

[0005] The invention provides a multi-chamber arc-blowing lightning protection device for power grid safety protection, comprising a lightning protection mounting frame, wherein the left end of the lightning protection mounting frame is integrally processed with a lightning protection support arm, the left side of the lightning protection support arm is slidably connected with a support rod, and the left end of the support rod is hinged with a power grid safety protection arc-blowing lightning protection frame;

[0006] The surface of the arc-blowing lightning protection frame for power grid safety is provided with a lightning protection cover, an electrode block is embedded in the surface of the lightning protection cover, a lightning protection arc extinguishing chamber is provided on the surface of the lightning protection cover and between the inner sides of the electrode block, and an adjustment transmission box is connected to the left bolt on the surface of the support rod;

[0007] The internal rotation of the adjustment transmission box is connected with a small gear, and the teeth on the right side of the small gear are meshed with a fan-shaped toothed disc. A telescopic screw is rotatably connected in the groove on the right side of the surface of the lightning protection support arm, and the surface of the telescopic screw is threadedly connected to the screw hole of the support rod. The right end of the surface of the fan-shaped toothed disc is slidably connected with an adjustment mechanism, and the right end key of the telescopic screw is connected with the telescopic mechanism. The adjustment mechanism can drive the fan-shaped toothed disc to rotate, and the fan-shaped toothed disc can drive the small gear to rotate, and the small gear can drive the power grid safety arc blowing lightning protection frame to rotate, thereby adjusting the angle between the power grid safety arc blowing lightning protection frame and the support rod, which is convenient for adjustment according to the on-site conditions and does not require on-site processing. In addition, the telescopic mechanism can drive the telescopic screw to rotate, and the telescopic screw can be used to drive the support rod to extend inside the lightning protection support arm, thereby ensuring the lightning protection effect.

[0008] Preferably, the adjusting mechanism includes a worm, a worm wheel, a transmission rod and an adjusting assembly, the surface of the worm is meshed with the right side of the worm wheel, the surface of the worm wheel is keyed to the right end of the transmission rod, the transmission rod is hinged to the adjusting assembly, driving the worm to rotate, the worm can drive the worm wheel to rotate, a self-locking structure can be generated between the worm and the worm wheel to prevent the worm wheel from driving the worm to rotate, the worm wheel can drive the transmission rod to rotate downward, and the transmission rod can drive the adjusting assembly to rotate.

[0009] Preferably, the adjustment assembly includes a slider, a moving block and a sliding frame, the left end of the transmission rod is hinged to the surface of the slider, the rear side of the slider is slidably connected to the sliding groove of the moving block, the left side of the moving block surface is hinged to the rear side of the sliding frame, the interior of the sliding frame is slidably connected to the right end of the fan-shaped toothed disk surface, the transmission rod can drive the slider to move downward, the slider can slide in the sliding groove of the moving block and drive the moving block to move downward, the moving block can drive the sliding frame to move downward, and the sliding frame can slide on the right end of the fan-shaped toothed disk surface and drive the fan-shaped toothed disk to rotate clockwise.

[0010] Preferably, the top and bottom ends of the worm are both rotatably socketed with the internal part of the adjusting transmission box, the bottom end of the worm extends to the bottom of the adjusting transmission box, the axis of the worm wheel is rotatably connected with the internal part of the adjusting transmission box, the worm is rotatably arranged with the adjusting transmission box through a bearing to ensure the stability of the rotation of the worm, a cross slot can be provided at the bottom end of the worm for cooperation with a screwdriver, making it convenient to use a screwdriver to drive the worm to rotate, and the worm wheel is rotatably arranged with the adjusting transmission box through a bearing.

[0011] Preferably, the rear side of the moving block is slidably connected with a slide rail rod, the top and bottom ends of the slide rail rod are connected to the internal bolts of the adjusting transmission box, the slide frame is located on the left side of the slider, and the moving block is slidably connected to the slide rail rod through a slide groove, which facilitates the up and down movement of the moving block, so that the moving block can drive the slide frame to move up and down.

[0012] Preferably, the lifting mechanism includes a rotating rod, a driving wheel, a transmission belt and a transmission assembly. The top of the rotating rod surface is key-connected to the axis of the driving wheel, the inside of the driving wheel is transmission-connected to the inside of the transmission belt, the transmission belt is transmission-connected to the transmission assembly, and drives the rotating rod to rotate. The rotating rod is rotationally arranged with the lightning protection support arm through a bearing to ensure the stability of the rotation of the rotating rod. The rotating rod can drive the driving wheel to rotate, and the driving wheel can drive the transmission belt to rotate.

[0013] Preferably, the transmission assembly includes a passive wheel, a rotating shaft, a main sprocket and a sprocket assembly, the transmission belt is connected to the passive wheel, the axis of the passive wheel is keyed to the top of the rotating shaft surface, the top and bottom of the rotating shaft are rotatably sleeved with the groove of the lightning protection support arm, the bottom end of the rotating shaft surface is keyed to the axis of the main sprocket, the main sprocket is meshed with the sprocket assembly, the transmission belt can drive the passive wheel to rotate, the radius of the active wheel is three times the radius of the passive wheel, the active wheel can produce an acceleration effect on the passive wheel, the passive wheel can drive the rotating shaft to rotate, the rotating shaft is rotatably arranged with the lightning protection support arm through a bearing to ensure the stability of the rotation of the rotating shaft, and the rotating shaft can drive the main sprocket to rotate.

[0014] Preferably, the sprocket assembly includes a chain, a secondary sprocket, a connecting shaft and a gear assembly, the teeth of the main sprocket mesh with the inner side of the chain, the chain meshes with the secondary sprocket, the axis of the secondary sprocket is key-connected to the bottom end of the connecting shaft surface, the top and bottom ends of the connecting shaft are rotatably sleeved with the groove of the lightning protection support arm, the connecting shaft is key-connected to the gear assembly, the main sprocket can drive the chain to rotate, the chain can drive the secondary sprocket to rotate, the radius of the main sprocket is three times the radius of the secondary sprocket, which can produce an acceleration effect on the secondary sprocket, and the secondary sprocket can drive the connecting shaft to rotate.

[0015] Preferably, the gear assembly includes a main bevel gear and a secondary bevel gear, the top end of the connecting shaft surface is key-connected to the axis center of the main bevel gear, the teeth of the main bevel gear are meshed with the teeth of the secondary bevel gear, and the axis center of the secondary bevel gear is key-connected to the right end of the telescopic screw rod, the connecting shaft can drive the main bevel gear to rotate, the main bevel gear can drive the secondary bevel gear to rotate, and the secondary bevel gear can drive the telescopic screw rod to rotate.

[0016] Preferably, a protective cover is clamped on the front side of the groove of the lightning protection support arm, and the telescopic mechanism is located on the rear side of the protective cover. The top and bottom ends of the rotating rod are rotatably sleeved with the groove of the lightning protection support arm, and the surface key of the rotating rod is connected with a handwheel. The axis of the pinion is keyed to the hinge hole at the bottom end of the power grid safety arc blowing lightning protection frame, and the axis of the fan-shaped toothed disc is rotatably connected to the internal part of the adjusting transmission box. The protective cover is used to hide and protect the structure of the telescopic mechanism. The rotating rod is rotatably arranged with the lightning protection support arm through a bearing to ensure the smooth rotation of the rotating rod. The handwheel is used to drive the rotating rod to rotate, and the fan-shaped toothed disc is rotatably arranged with the adjusting transmission box through a bearing.

[0017] The beneficial effects of the present invention are: the adjustment mechanism can drive the fan-shaped toothed disc to rotate, the fan-shaped toothed disc can drive the small gear to rotate, the small gear can drive the power grid safety arc blowing lightning protection frame to rotate, thereby adjusting the angle between the power grid safety arc blowing lightning protection frame and the support rod, which is convenient for adjustment according to the on-site conditions and does not require on-site processing. Moreover, the telescopic mechanism can drive the telescopic screw rod to rotate, and the telescopic screw rod can be used to drive the support rod to extend inside the lightning protection support arm, thereby ensuring the lightning protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view structural schematic diagram of a multi-chamber arc-blowing lightning protection device for power grid safety protection proposed by the present invention;

[0019] Figure 2 A schematic diagram of the structure of the regulating mechanism of a multi-chamber arc-blowing lightning protection device for power grid safety protection proposed by the present invention;

[0020] Figure 3 This is a rear view structural schematic diagram of a telescopic mechanism of a multi-chamber arc-blowing lightning protection device for power grid safety protection proposed by the present invention;

[0021] Figure 4 A schematic diagram of the three-dimensional structure of a driving wheel of a multi-chamber arc-blowing lightning protection device for power grid safety protection proposed by the present invention;

[0022] Figure 5 This is a schematic diagram of the three-dimensional structure of a moving block of a multi-chamber arc-blowing lightning protection device for power grid safety protection proposed by the present invention.

[0023] In the figure: 1. Lightning protection mounting frame; 2. Lightning protection support arm; 3. Support rod; 4. Power grid safety arc blowing lightning protection frame; 5. Lightning protection cover; 6. Electrode block; 7. Lightning protection arc extinguishing chamber; 8. Adjustment transmission box; 9. Worm; 10. Worm wheel; 11. Transmission rod; 12. Slider; 13. Moving block; 14. Sliding frame; 15. Fan-shaped gear plate; 16. Pinion; 17. Rotating rod; 18. Driving wheel; 19. Transmission belt; 20. Passive wheel; 21. Rotating shaft; 22. Main sprocket; 23. Chain; 24. Auxiliary sprocket; 25. Connecting shaft; 26. Main bevel gear; 27. Auxiliary bevel gear; 28. Telescopic screw; 29. ​​Protective cover. DETAILED DESCRIPTION

[0024] The present invention will be further explained below in conjunction with specific embodiments.

[0025] Example

[0026] refer to Figure 1-5In this embodiment, a multi-chamber arc-blowing lightning protection device for power grid safety is proposed, including a lightning protection mounting frame 1, a lightning protection support arm 2 is integrally processed at the left end of the lightning protection mounting frame 1, a support rod 3 is slidably connected to the left side of the lightning protection support arm 2, and a power grid safety arc-blowing lightning protection frame 4 is hinged at the left end of the support rod 3;

[0027] The surface of the arc-blowing lightning protection frame 4 is provided with a lightning protection cover 5, and an electrode block 6 is embedded in the surface of the lightning protection cover 5. A lightning protection arc extinguishing chamber 7 is provided on the surface of the lightning protection cover 5 and located between the inner sides of the electrode block 6. The left side of the surface of the support rod 3 is bolted with an adjustment transmission box 8;

[0028] The inside of the adjustment transmission box 8 is rotatably connected with a pinion 16, and the teeth on the right side of the pinion 16 are meshed with a fan-shaped toothed disc 15. A telescopic screw rod 28 is rotatably connected in the groove on the right side of the surface of the lightning protection support arm 2. The surface of the telescopic screw rod 28 is threadedly connected to the screw hole of the support rod 3. The right end of the surface of the fan-shaped toothed disc 15 is slidably connected with an adjustment mechanism, and the right end of the telescopic screw rod 28 is keyed to the telescopic mechanism;

[0029] The adjusting mechanism comprises a worm 9, a worm wheel 10, a transmission rod 11 and an adjusting assembly. The surface of the worm 9 meshes with the right side of the worm wheel 10. The surface of the worm wheel 10 is keyed to the right end of the transmission rod 11. The transmission rod 11 is hinged to the adjusting assembly to drive the worm 9 to rotate. The worm 9 can drive the worm wheel 10 to rotate. A self-locking structure can be generated between the worm 9 and the worm wheel 10 to prevent the worm wheel 10 from driving the worm 9 to rotate. The worm wheel 10 can drive the transmission rod 11 to rotate downward, and the transmission rod 11 can drive the adjusting assembly to rotate.

[0030] The adjustment assembly includes a slider 12, a moving block 13 and a slide frame 14. The left end of the transmission rod 11 is hinged to the surface of the slider 12, the rear side of the slider 12 is slidably connected to the slide groove of the moving block 13, the left side of the surface of the moving block 13 is hinged to the rear side of the slide frame 14, and the interior of the slide frame 14 is slidably connected to the right end of the surface of the fan-shaped toothed disk 15. The transmission rod 11 can drive the slider 12 to move downward, the slider 12 can slide in the slide groove of the moving block 13 and drive the moving block 13 to move downward, the moving block 13 can drive the slide frame 14 to move downward, and the slide frame 14 can slide on the right end of the surface of the fan-shaped toothed disk 15 and drive the fan-shaped toothed disk 15 to rotate clockwise;

[0031] The top and bottom ends of the worm 9 are both rotatably sleeved with the inside of the adjusting transmission box 8, the bottom end of the worm 9 extends to the bottom of the adjusting transmission box 8, the axis of the worm wheel 10 is rotatably connected with the inside of the adjusting transmission box 8, the worm 9 is rotatably arranged with the adjusting transmission box 8 through a bearing to ensure the stability of the rotation of the worm 9, the bottom end of the worm 9 can be provided with a cross slot for cooperating with a screwdriver, so as to facilitate the use of a screwdriver to drive the worm 9 to rotate, and the worm wheel 10 is rotatably arranged with the adjusting transmission box 8 through a bearing;

[0032] The rear side of the moving block 13 is slidably connected with a slide rail rod, the top and bottom ends of the slide rail rod are connected with the internal bolts of the adjustment transmission box 8, the slide frame 14 is located on the left side of the slider 12, and the moving block 13 is slidably connected with the slide rail rod through the slide groove, which is convenient for guiding the moving block 13 to move up and down, so that the moving block 13 can drive the slide frame 14 to move up and down;

[0033] The lifting mechanism includes a rotating rod 17, a driving wheel 18, a transmission belt 19 and a transmission assembly. The top of the rotating rod 17 is key-connected with the axis of the driving wheel 18, the inside of the driving wheel 18 is transmission-connected with the inside of the transmission belt 19, and the transmission belt 19 is transmission-connected with the transmission assembly to drive the rotating rod 17 to rotate. The rotating rod 17 is rotationally arranged with the lightning protection support arm 2 through a bearing to ensure the stability of the rotation of the rotating rod 17. The rotating rod 17 can drive the driving wheel 18 to rotate, the driving wheel 18 can drive the transmission belt 19 to rotate, and the transmission belt 19 can drive the transmission assembly to rotate;

[0034] The transmission assembly includes a passive wheel 20, a rotating shaft 21, a main sprocket 22 and a sprocket assembly. The transmission belt 19 is connected to the passive wheel 20 for transmission. The axis of the passive wheel 20 is keyed to the top of the surface of the rotating shaft 21. The top and bottom of the rotating shaft 21 are both rotatably sleeved with the groove of the lightning protection support arm 2. The bottom end of the surface of the rotating shaft 21 is keyed to the axis of the main sprocket 22. The main sprocket 22 is meshed with the sprocket assembly. The transmission belt 19 can drive the passive wheel 20 to rotate. The radius of the active wheel 18 is three times the radius of the passive wheel 20. The active wheel 18 can produce an acceleration effect on the passive wheel 20. The passive wheel 20 can drive the rotating shaft 21 to rotate. The rotating shaft 21 is rotatably arranged with the lightning protection support arm 2 through a bearing to ensure the stability of the rotation of the rotating shaft 21. The rotating shaft 21 can drive the main sprocket 22 to rotate, and the main sprocket 22 can drive the sprocket assembly to rotate.

[0035] The sprocket assembly includes a chain 23, a secondary sprocket 24, a connecting shaft 25 and a gear assembly. The teeth of the main sprocket 22 mesh with the inner side of the chain 23, the chain 23 meshes with the secondary sprocket 24, the axis of the secondary sprocket 24 is key-connected with the bottom end of the surface of the connecting shaft 25, the top and bottom ends of the connecting shaft 25 are both rotatably sleeved with the groove of the lightning protection support arm 2, the connecting shaft 25 is key-connected with the gear assembly, the main sprocket 22 can drive the chain 23 to rotate, the chain 23 can drive the secondary sprocket 24 to rotate, the radius of the main sprocket 22 is three times the radius of the secondary sprocket 24, and can produce an acceleration effect on the secondary sprocket 24, the secondary sprocket 24 can drive the connecting shaft 25 to rotate, and the connecting shaft 25 can drive the gear assembly to rotate;

[0036] The gear assembly includes a main bevel gear 26 and a secondary bevel gear 27. The top of the connecting shaft 25 is key-connected with the axis of the main bevel gear 26. The teeth of the main bevel gear 26 mesh with the teeth of the secondary bevel gear 27. The axis of the secondary bevel gear 27 is key-connected with the right end of the telescopic screw 28. The connecting shaft 25 can drive the main bevel gear 26 to rotate, the main bevel gear 26 can drive the secondary bevel gear 27 to rotate, and the secondary bevel gear 27 can drive the telescopic screw 28 to rotate.

[0037] A protective cover 29 is clamped on the front side of the groove of the lightning protection support arm 2, and the telescopic mechanism is located on the rear side of the protective cover 29. The top and bottom ends of the rotating rod 17 are rotatably sleeved with the groove of the lightning protection support arm 2. The surface key of the rotating rod 17 is connected with a handwheel. The axis of the pinion 16 is keyed to the hinge hole at the bottom end of the arc-blowing lightning protection frame 4 for power grid safety assurance. The axis of the fan-shaped toothed disc 15 is rotatably connected to the inside of the adjustment transmission box 8. The protective cover 29 is used to hide and protect the structure of the telescopic mechanism. The rotating rod 17 is rotatably arranged with the lightning protection support arm 2 through a bearing to ensure the stability of the rotation of the rotating rod 17. The handwheel is used to drive the rotating rod 17 to rotate, and the fan-shaped toothed disc 15 is rotatably arranged with the adjustment transmission box 8 through a bearing.

[0038] The adjusting mechanism can drive the fan-shaped toothed disc 15 to rotate, the fan-shaped toothed disc 15 can drive the pinion 16 to rotate, and the pinion 16 can drive the power grid safety arc blowing lightning protection frame 4 to rotate, thereby adjusting the angle between the power grid safety arc blowing lightning protection frame 4 and the support rod 3, which is convenient for adjustment according to the on-site conditions, and there is no need for on-site processing. Moreover, the telescopic mechanism can drive the telescopic screw rod 28 to rotate, and the telescopic screw rod 28 can be used to drive the support rod 3 to extend inside the lightning protection support arm 2, thereby ensuring the lightning protection effect.

[0039] Working principle: The lightning protection mounting frame 1 is installed at the position where the distribution network needs lightning protection, driving the worm 9 to rotate, the worm 9 can drive the worm wheel 10 to rotate, and a self-locking structure can be generated between the worm 9 and the worm wheel 10 to prevent the worm wheel 10 from driving the worm 9 to rotate. The worm wheel 10 can drive the transmission rod 11 to rotate downward, and the transmission rod 11 can drive the slider 12 to move downward. The slider 12 can slide in the slide groove of the moving block 13 and drive the moving block 13 to move downward. The moving block 13 can drive the sliding frame 14 to move downward, and the sliding frame 14 can slide on the right end of the surface of the fan-shaped toothed disk 15. The fan-shaped toothed disc 15 is driven to rotate clockwise, and the fan-shaped toothed disc 15 is rotated through the bearing and the adjustment transmission box 8. The fan-shaped toothed disc 15 can drive the pinion 16 to rotate counterclockwise, and the pinion 16 can drive the power grid safety arc blowing lightning protection frame 4 to rotate left, so that the angle of the power grid safety arc blowing lightning protection frame 4 can be adjusted. At the same time, it drives the rotating rod 17 to rotate, and the rotating rod 17 is rotated through the bearing and the lightning protection support arm 2 to ensure the stability of the rotation of the rotating rod 17. The rotating rod 17 can drive the driving wheel 18 to rotate, and the driving wheel 18 can drive the transmission belt 19 to rotate The transmission belt 19 can drive the passive wheel 20 to rotate. The radius of the active wheel 18 is three times the radius of the passive wheel 20. The active wheel 18 can produce an acceleration effect on the passive wheel 20. The passive wheel 20 can drive the rotating shaft 21 to rotate. The rotating shaft 21 is rotated by the bearing and the lightning protection support arm 2 to ensure the stability of the rotation of the rotating shaft 21. The rotating shaft 21 can drive the main sprocket 22 to rotate. The main sprocket 22 can drive the chain 23 to rotate. The chain 23 can drive the secondary sprocket 24 to rotate. The radius of the main sprocket 22 is three times the radius of the secondary sprocket 24, which can produce an acceleration effect on the secondary sprocket 24. Speed ​​effect, the secondary sprocket 24 can drive the connecting shaft 25 to rotate, the connecting shaft 25 can drive the main bevel gear 26 to rotate, the main bevel gear 26 can drive the secondary bevel gear 27 to rotate, the secondary bevel gear 27 can drive the telescopic screw 28 to rotate, the telescopic screw 28 can drive the support rod 3 to move to the left, the power grid safety arc blowing lightning protection frame 4 The electrode block 6 in the lightning protection protection cover 5 on the surface can be conductive, and the lightning protection arc extinguishing chamber 7 performs arc extinguishing, and the power grid safety arc blowing lightning protection frame 4 and the structure on its surface can also adopt the structure with application number 201922196754.X.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multi-chamber arc-blowing lightning protection device for power grid security, comprising a lightning protection mounting frame (1), characterized in that: The left end of the lightning protection mounting frame (1) is integrally processed with a lightning protection support arm (2), the left side of the lightning protection support arm (2) is slidably connected to a support rod (3), and the left end of the support rod (3) is hingedly connected to a power grid safety arc-blow lightning protection frame (4); The surface of the arc-blowing lightning protection frame (4) for ensuring the safety of the power grid is provided with a lightning protection cover (5), an electrode block (6) is embedded in the surface of the lightning protection cover (5), a lightning protection arc extinguishing chamber (7) is provided on the surface of the lightning protection cover (5) and between the inner sides of the electrode block (6), and an adjustment transmission box (8) is connected to the left side of the surface of the support rod (3); The inside of the adjustment transmission box (8) is rotatably connected with a pinion (16), and the teeth on the right side of the pinion (16) are meshed with a fan-shaped toothed disc (15). The groove on the right side of the surface of the lightning protection support arm (2) is rotatably connected with a telescopic screw rod (28), and the surface of the telescopic screw rod (28) is threadedly connected with the screw hole of the support rod (3). The right end of the surface of the fan-shaped toothed disc (15) is slidably connected with an adjustment mechanism, and the right end of the telescopic screw rod (28) is keyed to the telescopic mechanism. The adjustment mechanism comprises a worm (9), a worm wheel (10), a transmission rod (11) and an adjustment assembly, wherein the surface of the worm (9) meshes with the right side of the worm wheel (10), the surface of the worm wheel (10) is key-connected to the right end of the transmission rod (11), and the transmission rod (11) is hinged to the adjustment assembly. The adjustment assembly comprises a slider (12), a moving block (13) and a sliding frame (14); the left end of the transmission rod (11) is hinged to the surface of the slider (12); the rear side of the slider (12) is slidably connected to the slide groove of the moving block (13); the left side of the surface of the moving block (13) is hinged to the rear side of the sliding frame (14); the interior of the sliding frame (14) is slidably connected to the right end of the surface of the fan-shaped toothed disc (15); The top and bottom ends of the worm (9) are both rotatably sleeved with the inside of the adjusting transmission box (8), the bottom end of the worm (9) extends to the bottom of the adjusting transmission box (8), and the axis of the worm wheel (10) is rotatably connected with the inside of the adjusting transmission box (8).

2. A multi-chamber arc-blowing lightning protection device for power grid security according to claim 1, characterized in that: The rear side of the moving block (13) is slidably connected to a slide rail rod, the top and bottom ends of the slide rail rod are both connected to internal bolts of the adjustment transmission box (8), and the slide frame (14) is located on the left side of the slide block (12).

3. A multi-chamber arc-blowing lightning protection device for power grid safety protection according to claim 1, characterized in that: The lifting mechanism comprises a rotating rod (17), a driving wheel (18), a transmission belt (19) and a transmission assembly. The top end of the rotating rod (17) is key-connected to the axis of the driving wheel (18), the inside of the driving wheel (18) is transmission-connected to the inside of the transmission belt (19), and the transmission belt (19) is transmission-connected to the transmission assembly.

4. A multi-chamber arc-blowing lightning protection device for power grid safety protection according to claim 3, characterized in that: The transmission assembly comprises a driven wheel (20), a rotating shaft (21), a main sprocket (22) and a sprocket assembly. The transmission belt (19) is connected to the driven wheel (20) in transmission. The axis of the driven wheel (20) is key-connected to the top of the surface of the rotating shaft (21). The top and bottom of the rotating shaft (21) are both rotatably sleeved to the groove of the lightning protection support arm (2). The bottom of the surface of the rotating shaft (21) is key-connected to the axis of the main sprocket (22). The main sprocket (22) is meshed with the sprocket assembly.

5. A multi-chamber arc-blowing lightning protection device for power grid safety protection according to claim 4, characterized in that: The sprocket assembly comprises a chain (23), a secondary sprocket (24), a connecting shaft (25) and a gear assembly, wherein the teeth of the main sprocket (22) mesh with the inner side of the chain (23), the chain (23) meshes with the secondary sprocket (24), the axis of the secondary sprocket (24) is key-connected with the bottom end of the surface of the connecting shaft (25), the top and bottom ends of the connecting shaft (25) are rotatably sleeved with the groove of the lightning protection support arm (2), and the connecting shaft (25) is key-connected with the gear assembly.

6. A multi-chamber arc-blowing lightning protection device for power grid safety protection according to claim 5, characterized in that: The gear assembly comprises a main bevel gear (26) and a secondary bevel gear (27), the top end of the surface of the connecting shaft (25) is key-connected to the axis of the main bevel gear (26), the teeth of the main bevel gear (26) are meshed with the teeth of the secondary bevel gear (27), and the axis of the secondary bevel gear (27) is key-connected to the right end of the telescopic screw rod (28).

7. A multi-chamber arc-blowing lightning protection device for power grid safety protection according to claim 1, characterized in that: A protective cover (29) is clamped on the front side of the groove of the lightning protection support arm (2), and the telescopic mechanism is located on the rear side of the protective cover (29). The top and bottom ends of the rotating rod (17) are both rotatably sleeved with the groove of the lightning protection support arm (2). The surface key of the rotating rod (17) is connected to a hand wheel. The axis of the pinion (16) is keyed to a hinge hole at the bottom end of the power grid safety arc blowing lightning protection frame (4), and the axis of the fan-shaped gear disc (15) is rotatably connected to the inside of the adjustment transmission box (8).

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