Lightning protection device for power supply grid protection

Abstract

The invention discloses a lightning protection device for power supply grid protection, relates to the technical field of lightning protection equipment, solves the technical problem of inconvenience in lifting, and comprises a base, a mounting plate is rotatably mounted on the base, a lightning rod is mounted at one end, away from the base, of the mounting plate, and a second pull rope is fixed at one end, away from the lightning rod, of the mounting plate. The base is provided with a lifting assembly used for lifting the lightning rod. The lifting assembly comprises two first lifting rotating plates rotationally installed on the base, second lifting rotating plates with connecting plates are rotationally installed at the ends, away from the base, of the first lifting rotating plates, and sliding grooves are formed in the sides, close to the first lifting rotating plates, of the base; the lightning rod is convenient to lift and mount, convenient to mount, dismount and maintain, the lifting capability of the device is improved, the working efficiency of mounting and dismounting of the device is improved, and the working efficiency of maintaining of the device is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of lightning protection equipment, and in particular to a lightning protection device for protecting a power supply network. Background Art

[0002] The whole of the power system, which consists of substations and transmission and distribution lines of various voltages, is called a power grid. The task of the power grid is to transmit and distribute electrical energy and change the voltage. The power grid is a basic device that provides electricity to the public and various facilities. However, due to the high voltage and high altitude of the power grid itself, lightning is easily attracted to the power grid during thunderstorms, causing lightning strikes. This requires that when the power grid is used, lightning rods should be used to guide lightning to the ground to avoid damage to the power grid caused by lightning.

[0003] For example, the Chinese invention patent with patent publication number CN117477481A solves the problem of complicated installation of lightning rods and power grids. However, during the installation of the lightning rod, it still needs to rely on a vertical support frame, and the support frame is not convenient for lifting and retracting, and it is not convenient to lift and install the lightning rod, install and disassemble, and perform maintenance operations, which affects the lifting and adjustment ability of the device and the storage flexibility of the device. Summary of the invention

[0004] The purpose of the present invention is to provide a lightning protection device for power supply network protection to solve the following technical problems:

[0005] However, during the installation of the lightning rod, a vertical support frame is still required, and the support frame is not convenient for lifting, retracting, lifting and installing the lightning rod, installing and disassembling, and performing maintenance operations, which affects the lifting and adjusting ability of the device and the storage flexibility of the device.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] A lightning protection device for power grid protection, comprising a base, a mounting plate rotatably mounted on the base, a lightning rod mounted on one end of the mounting plate away from the base, a second pull rope fixed on one end of the mounting plate away from the lightning rod, and a lifting assembly for lifting the lightning rod is provided on the base;

[0008] The lifting assembly includes two first lifting turn plates rotatably mounted on the base, a second lifting turn plate with a connecting plate rotatably mounted on one end of the first lifting turn plate away from the base, a slide groove is provided on a side of the base close to the first lifting turn plate, a bidirectional screw with two sliders is rotatably mounted in the slide groove, a motor for driving the slider to control the rotation of the second lifting turn plate is fixedly mounted at one end of the base, a first pull rope is provided on the side of the mounting plate close to the second pull rope, the first pull rope not only drives the stabilizing plate to clamp the mounting plate under the pulling of the slider, but also can provide a downward pulling force for retracting the second lifting turn plate, and a linkage unit is provided on the slider.

[0009] As a further solution of the present invention: the linkage unit includes a plurality of teeth fixedly mounted on one side of the base close to the first lifting and rotating plate, the slider is rotatably mounted with two gears on the side away from the first lifting and rotating plate, and the end of the first pull rope away from the mounting plate is fixedly mounted on the rotating shaft between the two gears.

[0010] As a further solution of the present invention: a rectangular through hole is provided on the first lifting and rotating plate, a storage groove for accommodating a lightning rod is provided on the side of the second lifting and rotating plate away from the mounting plate, a groove is provided on the inner wall of the storage groove close to one end of the mounting plate, a limit block is slidably installed in the groove, and the stabilizing plate is fixedly installed on one end of the limit block close to the mounting plate.

[0011] As a further solution of the present invention: two pull rings are fixedly installed on one side of the mounting plate close to the base, the other end of the first pull rope slides through the pull ring and is fixedly installed on the limit block, and the mounting plate is rotatably installed on the connecting plate.

[0012] As a further solution of the present invention: a mounting block is slidably installed in the middle position of the bidirectional screw, and the end of the second pull rope away from the mounting plate is fixedly installed on the mounting block, the end of the first lifting and rotating plate close to the base is rotatably installed on the mounting block, and the end of the sliding block close to the first lifting and rotating plate is rotatably installed with a sliding roller.

[0013] As a further solution of the present invention: a limiting assembly is arranged on the second lifting and rotating plate, and the limiting assembly includes a limiting rod fixedly installed on one end of the second lifting and rotating plate close to the first lifting and rotating plate, a limiting groove is provided on the second lifting and rotating plate at a position corresponding to the limiting rod, a shrinkage groove is provided on one end of the second lifting and rotating plate close to the second lifting and rotating plate, an operating plate is slidably installed in the shrinkage groove, an elastic sheet is fixedly installed on the side of the operating plate away from the rectangular through hole, and a triangular plate is fixedly installed on the side of the operating plate away from the elastic sheet.

[0014] As a further solution of the present invention: one end of the triangular plate away from the operating panel slides through the limit groove, one end of the elastic sheet away from the triangular plate is fixedly installed on the shrinkage groove, a stabilizing rod is installed on the operating panel that slides through, and both ends of the stabilizing rod are fixedly installed on the inside of the shrinkage groove.

[0015] As a further solution of the present invention: an airbag is fixedly installed on one side of the shrinkage groove close to the rectangular through hole, an air pump is fixedly installed on one side of the first lifting and rotating plate close to the limit rod, and the air pump and the airbag are connected to each other.

[0016] As a further solution of the present invention: a locking assembly is provided on the mounting plate, and the locking assembly includes a mounting groove with a locking groove opened on the side of the mounting plate close to the lightning rod, a top plate is slidably installed in the mounting groove, a spring is fixedly installed on the side of the top plate away from the lightning rod, and a locking block is fixedly installed on the end of the lightning rod close to the mounting plate.

[0017] As a further solution of the present invention: a rotating plate is rotatably installed on one side of the top plate away from the fixing bolt, one end of the spring away from the rotating plate is fixedly installed on the inner bottom wall of the mounting groove, and a fixing bolt for stabilizing the lightning rod is threaded through one side of the mounting plate.

[0018] Beneficial effects of the present invention:

[0019] 1. The first lifting rotating plate and the second lifting rotating plate in the lifting assembly facilitate the lifting and installation of the lightning rod with the cooperation of the first pull rope, facilitate installation and disassembly, and facilitate maintenance operations, which is beneficial to improving the lifting capacity of the device, improving the work efficiency of installation and disassembly of the device, improving the work efficiency of maintenance of the device, and improving the storage flexibility of the device.

[0020] 2. The limiting rod in the limiting assembly is installed in the limiting groove to facilitate the limiting stabilization of the second lifting and rotating plate, and to facilitate the limiting auxiliary first lifting and rotating plate and the second lifting and rotating plate, which is beneficial to improving the limiting stability of the device and improving the firmness of the device.

[0021] 3. The snap-fit ​​block in the snap-fit ​​assembly snaps into the snap-fit ​​groove, which is convenient for snap-fit ​​installation of the lightning rod, easy for installation and disassembly, and is beneficial to improving the work efficiency of installation and disassembly of the device, and is beneficial to improving the snap-fit ​​stability of the device, and is beneficial to the safety and stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] Figure 1 It is a schematic diagram of the overall structure of a lightning protection device for power supply network protection of the present invention;

[0024] Figure 2 yes Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0025] Figure 3 It is a schematic diagram of a partial explosion structure of a lightning protection device for power supply network protection of the present invention;

[0026] Figure 4 yes Figure 3 A schematic diagram of the enlarged structure at B in the middle;

[0027] Figure 5 yes Figure 3 Schematic diagram of the enlarged structure at C in the middle;

[0028] Figure 6 It is a schematic diagram of the internal structure of a lightning protection device for power supply network protection of the present invention;

[0029] Figure 7 yes Figure 6 Schematic diagram of the enlarged structure at D in the middle;

[0030] Figure 8 It is a side structural schematic diagram of a lightning protection device for power supply network protection of the present invention;

[0031] Fig. 9 yes Figure 8 Schematic diagram of the enlarged structure at E in the middle.

[0032] In the figure: 1, base; 2, lightning rod; 3, mounting plate; 4, lifting assembly; 41, first lifting rotating plate; 42, second lifting rotating plate; 43, slide groove; 44, bidirectional screw; 45, motor; 46, slider; 47, slide roller; 48, rectangular through hole; 49, storage groove; 410, groove; 411, gear; 412, first pull rope; 413, teeth; 414, stabilizing plate; 415, pull ring; 416 , limit block; 417, connecting plate; 5, limit assembly; 51, limit rod; 52, limit slot; 53, contraction slot; 54, elastic sheet; 55, stabilizer bar; 56, operating panel; 57, triangular plate; 58, air bag; 59, air pump; 6, snap assembly; 61, mounting slot; 62, snap slot; 63, snap block; 64, rotating plate; 65, fixing bolt; 66, top plate; 67, spring; 7, second pull rope. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] Embodiment 1

[0035] See also Figure 1-Figure 9 As shown, the present invention is a lightning protection device for power grid protection, comprising a base 1, a mounting plate 3 is rotatably mounted on the base 1, a lightning rod 2 is mounted on one end of the mounting plate 3 away from the base 1, a second pull rope 7 is fixed on one end of the mounting plate 3 away from the lightning rod 2, the second pull rope 7 pulls the mounting plate 3 to support the installation of the lightning rod 2, and a lifting component 4 for lifting the lightning rod 2 is provided on the base 1;

[0036] The lifting assembly 4 includes two first lifting rotating plates 41 rotatably mounted on the base 1, and a second lifting rotating plate 42 with a connecting plate 417 is rotatably mounted on one end of the first lifting rotating plate 41 away from the base 1, and the mounting plate 3 is rotatably mounted on the connecting plate 417. The two first lifting rotating plates 41 and the two second lifting rotating plates 42 are connected with the assistance of the connecting plate 417 to facilitate the lifting and lowering adjustment of the lightning rod 2. A slide groove 43 is provided on one side of the base 1 close to the first lifting rotating plate 41, and a bidirectional screw 44 with two sliders 46 is rotatably mounted in the slide groove 43. The sliders 46 slide in the slide groove 43 to squeeze the first lifting rotating plate 41, and a motor 45 for driving the slider 46 to control the rotation of the second lifting rotating plate 42 is fixedly mounted at one end of the base 1, and the output end of the motor 45 slides through the base 1 and is fixedly mounted on the bidirectional screw 44. On the screw rod 44, a first pull rope 412 is provided on the side of the mounting plate 3 close to the second pull rope 7. The first pull rope 412 not only drives the stabilizing plate 414 to clamp the mounting plate 3 under the pull of the slider 46, but also provides a downward pulling force for retracting the second lifting and rotating plate 42, which is used to assist the second lifting and rotating plate 42 to make the limiting rod 51 disengage from the limiting groove 52, thereby facilitating the retraction and lowering of the height of the lightning rod 2 and the installation and maintenance of the lightning rod 2. Due to the stability principle of the triangle, the length of the first pull rope 412 is certain, and the height becomes lower as the bottom side becomes longer, thereby playing the role of pulling the mounting plate 3 downward. Two pull rings 415 are fixedly installed on the side of the mounting plate 3 close to the base 1. The first pull rope 412 slides through the pull ring 415, and the other end is fixedly installed on the limiting block 416. A linkage unit is provided on the slider 46.

[0037] The linkage unit includes a plurality of teeth 413 fixedly mounted on the base 1 on one side close to the first lifting rotating plate 41. The plurality of teeth 413 are arranged on the base 1 to form a rack. The slider 46 is rotatably mounted on the side away from the first lifting rotating plate 41 with two gears 411. The gears 411 and the teeth 413 mesh with each other. When the slider 46 moves back and forth in the slide groove 43, the gear 411 is driven to mesh and roll on the teeth 413, and at the same time, it is convenient to drive the rotating shaft to reel in the first pull rope 412. The first pull rope 412 is away from the mounting plate 3. One end is fixedly mounted on the rotating shaft between the two gears 411, a rectangular through hole 48 is provided on the first lifting and rotating plate 41, a storage groove 49 for storing the lightning rod 2 is provided on the side of the second lifting and rotating plate 42 away from the mounting plate 3, a groove 410 is provided on the inner wall of the storage groove 49 close to one end of the mounting plate 3, a limit block 416 is slidably installed in the groove 410, the limit block 416 plays the role of limiting the stabilizing plate 414, and the stabilizing plate 414 is fixedly mounted on one end of the limit block 416 close to the mounting plate 3.

[0038] A mounting block is installed in the middle position of the bidirectional screw 44, and the end of the second pull rope 7 away from the mounting plate 3 is fixedly installed on the mounting block, and the mounting block is fixedly installed in the slide groove 43. The end of the first lifting and rotating plate 41 close to the base 1 is rotatably installed on the mounting block, and the end of the slider 46 close to the first lifting and rotating plate 41 is rotatably installed with a sliding roller 47. The slider 46 can drive the sliding roller 47 to extend and retract, and has a telescopic function. The sliding roller 47 slides on the first lifting and rotating plate 41, which reduces the friction between the first lifting and rotating plate 41 and the slider 46. The slider 46 moves relatively under the drive of the bidirectional screw 44, and at the same time The slider 46 drives the sliding roller 47 to slide on the first lifting turntable 41, and under the connection of the connecting plate 417, the second lifting turntable 42 and the first lifting turntable 41 are rotated, unfolded and raised, so as to avoid climbing during the process of disassembling the lightning rod 2, and to avoid the situation that the installation of the lightning rod 2 needs to rely on a support frame, and the support frame is not easy to retract, so as to facilitate the lifting and installation of the lightning rod 2, the installation and disassembly, the maintenance operation, the lifting and installation of the lightning rod 2, which is beneficial to improve the lifting and adjustment ability of the device, the storage and installation of the lightning rod 2, the flexible use, and the storage flexibility of the device.

[0039] Embodiment 2

[0040] See also Figure 3-Figure 4As shown, on the basis of the first embodiment, a limiting assembly 5 is provided on the second lifting and rotating plate 42, and the limiting assembly 5 includes a limiting rod 51 fixedly installed on one end of the second lifting and rotating plate 42 close to the first lifting and rotating plate 41, and a limiting groove 52 is provided on the second lifting and rotating plate 42 at a position corresponding to the limiting rod 51. The limiting rod 51 is installed in the limiting groove 52 to limit and stabilize the second lifting and rotating plate 42, and a contraction groove 53 is provided at one end of the second lifting and rotating plate 42 close to the second lifting and rotating plate 42, and an operating plate 56 is slidably installed in the contraction groove 53. An elastic sheet 54 is fixedly installed on the side of the operating plate 56 away from the rectangular through hole 48, and the elastic sheet 54 plays a role in driving the operating plate 56 to elastically reset, and a triangular plate 57 is fixedly installed on the side of the operating plate 56 away from the elastic sheet 54, and two inclined surfaces are provided on the end of the triangular plate 57 away from the operating plate 56, so as to facilitate the limiting rod 51 to engage into the limiting groove 52, one end of the triangular plate 57 away from the operating plate 56 slides through the limit groove 52, and one end of the elastic sheet 54 away from the triangular plate 57 is fixedly installed on the contraction groove 53. A stabilizing rod 55 is installed on the operating plate 56 to slide through it. Both ends of the stabilizing rod 55 are fixedly installed on the inside of the contraction groove 53. The contraction groove 53 plays a role in balancing and stabilizing the operating plate 56 in the contraction groove 53. An airbag 58 is fixedly installed on the side of the contraction groove 53 close to the rectangular through hole 48. An air pump 59 is fixedly installed on the side of the first lifting and rotating plate 41 close to the limit rod 51. The air pump 59 and the airbag 58 are connected to each other. The air pump 59 inflates the airbag 58 so that the airbag 58 assists the triangular plate 57 to limit and fix the limit rod 51, which is convenient for limiting and stabilizing the second lifting and rotating plate 42, and convenient for limiting and assisting the first lifting and rotating plate 41 and the second lifting and rotating plate 42, which is beneficial to improving the limiting stability of the device and improving the firmness of the device.

[0041] Embodiment 3

[0042] See also Figure 6-Figure 9As shown, on the basis of the first and second embodiments, a snap-fit ​​assembly 6 is provided on the mounting plate 3, and the snap-fit ​​assembly 6 includes a mounting groove 61 with a snap-fit ​​groove 62 which is opened on the side of the mounting plate 3 close to the lightning rod 2, and a top plate 66 is installed in the mounting groove 61 for sliding through, and the top plate 66 slides in the snap-fit ​​groove 62 and the mounting groove 61, and the lightning rod 2 drives the snap-fit ​​block 63 to be inserted into the mounting groove 61, and at the same time, the snap-fit ​​block 63 is inserted into the snap-fit ​​groove 62, and the cross-section of the snap-fit ​​groove 62 is in an inverted "T" shape, and a spring 67 is fixedly installed on the side of the top plate 66 away from the lightning rod 2, and one end of the spring 67 away from the top plate 66 is fixedly installed on the inner bottom wall of the mounting groove 61, and one end of the lightning rod 2 close to the mounting plate 3 is fixedly installed There is a locking block 63, and a rotating plate 64 is rotatably installed on the side of the top plate 66 away from the fixing bolt 65. The rotating plate 64 drives the lightning rod 2 to rotate on the top plate 66, and at the same time, the lightning rod 2 drives the locking block 63 to move to the locking position of the inverted "T" end of the locking groove 62. The end of the spring 67 away from the rotating plate 64 is fixedly installed on the inner bottom wall of the mounting groove 61, and a fixing bolt 65 for stabilizing the lightning rod 2 is installed through a thread on one side of the mounting plate 3. The fixing bolt 65 plays a role in assisting the fixing of the lightning rod 2, which is convenient for the locking and installation of the lightning rod 2, and is convenient for installation and disassembly, which is beneficial to improving the working efficiency of installation and disassembly of the device, and is beneficial to improving the locking stability of the device and the safety stability of the device.

[0043] Working principle of the present invention: when using the device, first take the lightning rod 2 and insert it into the installation groove 61, and at the same time, insert the engaging block 63 into the engaging groove 62, and at the same time, make the top plate 66 squeeze the spring 67 in the engaging groove 62, so that the spring 67 is in a compressed state, and then rotate the lightning rod 2 to make the lightning rod 2 rotate on the rotating plate 64, and at the same time, make the lightning rod 2 drive the engaging block 63 to rotate and engage in the engaging groove 62, and at the same time, make the lightning rod 2 installed in the storage groove 49, and then start the motor 45, so that the output end of the motor 45 drives the bidirectional screw 44 to rotate, and at the same time, the slider 46 drives the sliding roller 47 to move toward the first lifting rotating plate 41, and at the same time, the sliding roller 47 slides on the first lifting rotating plate 41, and at the same time At the same time, the slider 46 drives the groove 410 to mesh and rotate on the teeth 413, and at the same time, the rotating shaft on the gear 411 loosens the first pull rope 412, and at the same time, the second lifting and rotating plate 42 and the connecting plate 417 are driven by the first lifting and rotating plate 41 to rotate and rise upward, and at the same time, the mounting plate 3 drives the first pull rope 412 to be stretched through the pull ring 415, and at the same time, the first pull rope 412 is made to slide in the rectangular through hole 48, and at the same time, the first pull rope 412 drives the limit block 416 to slide in the groove 410, and at the same time, the limit block 416 drives the stabilizing plate 414 to move the box pull ring, and at the same time, the connecting plate 417 moves upward to drive the mounting plate 3 to move upward, so that the second pull rope 7 pulls the tail end of the mounting plate 3 out of the groove 410. Pull it out. Due to the principle of lever, the mounting plate 3 rotates the lightning rod 2 out of the storage groove 49, which is convenient for erecting the lightning rod 2. When the slider 46 drives the sliding roller 47 to rise and moves the first lifting and rotating plate 41 and the second lifting and rotating plate 42 to the same straight line, it drives the stabilizing plate 414 to squeeze the stabilizing mounting plate 3, and at the same time, the lightning rod 2 drives the limiting rod 51 to be inserted into the limiting groove 52, and at the same time, the limiting groove 52 is squeezed into the limiting groove 52 on the inclined surface of the triangular plate 57, and at the same time, the triangular plate 57 drives the operating plate 56 to slide in the contraction groove 53, and at the same time, the operating plate 56 slides on the stabilizing rod 55 to squeeze the elastic sheet 54, so that the elastic sheet 54 is in a compressed state, and at the same time, the elastic reset ability of the elastic sheet 54 is brought The movable triangle plate 57 limits and engages the limit rod 51, and then the air pump 59 is started to make the air pump 59 inflate the air bag 58, and at the same time make the air bag 58 assist in stabilizing the limit rod 51 in the limit groove 52. When the lightning rod 2 is lowered, the bidirectional screw 44 drives the slider 46 to move backward, and the rotating shaft of the gear 411 reels up the first pull rope 412, so that the first pull rope 412 forms a downward pulling force on the mounting plate 3, and the pulling force facilitates the limit rod 51 to be pulled out of the limit groove 52 through the second lifting and rotating plate 42, and at the same time makes the limit rod 51 slide on the inclined surface of the triangle plate 57, and at the same time makes the gravity of the lightning rod 2 and the second lifting and rotating plate 42 cooperate with the pulling force of the first pull rope 412, so as to facilitate the lifting and lowering of the lightning rod 2.

[0044] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A lightning protection device for power grid protection, comprising a base (1), characterized in that: A mounting plate (3) is rotatably mounted on the base (1); a lightning rod (2) is mounted on one end of the mounting plate (3) away from the base (1); a second pull rope (7) is fixed to one end of the mounting plate (3) away from the lightning rod (2); and a lifting component (4) for lifting the lightning rod (2) is provided on the base (1); The lifting assembly (4) comprises two first lifting rotating plates (41) rotatably mounted on the base (1); a second lifting rotating plate (42) with a connecting plate (417) is rotatably mounted on one end of the first lifting rotating plate (41) away from the base (1); a sliding groove (43) is provided on a side of the base (1) close to the first lifting rotating plate (41); a bidirectional screw (44) with two sliders (46) is rotatably mounted in the sliding groove (43); a motor (45) for driving the slider (46) to control the rotation of the second lifting rotating plate (42) is fixedly mounted on one end of the base (1); a first pull rope (412) is provided on a side of the mounting plate (3) close to the second pull rope (7); the first pull rope (412) not only drives the stabilizing plate (414) to clamp the mounting plate (3) under the pulling of the slider (46), but also can provide a downward pulling force for retracting the second lifting rotating plate (42); a linkage unit is provided on the slider (46).

2. A lightning protection device for power supply network protection according to claim 1, characterized in that: The linkage unit comprises a plurality of teeth (413) fixedly mounted on a side of the base (1) close to the first lifting rotating plate (41); two gears (411) are rotatably mounted on a side of the slider (46) away from the first lifting rotating plate (41); and one end of the first pull rope (412) away from the mounting plate (3) is fixedly mounted on a rotating shaft between the two gears (411).

3. A lightning protection device for power supply network protection according to claim 2, characterized in that: A rectangular through hole (48) is provided on the first lifting and rotating plate (41); a storage groove (49) for storing the lightning rod (2) is provided on a side of the second lifting and rotating plate (42) away from the mounting plate (3); a groove (410) is provided on the inner wall of the storage groove (49) close to one end of the mounting plate (3); a limit block (416) is slidably installed in the groove (410); and the stabilizing plate (414) is fixedly installed on one end of the limit block (416) close to the mounting plate (3).

4. A lightning protection device for power supply network protection according to claim 3, characterized in that: Two pull rings (415) are fixedly mounted on one side of the mounting plate (3) close to the base (1); the other end of the first pull rope (412) slides through the pull ring (415) and is fixedly mounted on a limit block (416); and the mounting plate (3) is rotatably mounted on a connecting plate (417).

5. A lightning protection device for power supply network protection according to claim 1, characterized in that: A mounting block is slidably installed in the middle position of the bidirectional screw rod (44), and the end of the second pull rope (7) away from the mounting plate (3) is fixedly installed on the mounting block, the end of the first lifting and rotating plate (41) close to the base (1) is rotatably installed on the mounting block, and the end of the slider (46) close to the first lifting and rotating plate (41) is rotatably installed with a sliding roller (47).

6. A lightning protection device for power supply network protection according to claim 1, characterized in that: A limit assembly (5) is provided on the second lifting and rotating plate (42), and the limit assembly (5) comprises a limit rod (51) fixedly mounted on one end of the second lifting and rotating plate (42) close to the first lifting and rotating plate (41); a limit groove (52) is provided on the second lifting and rotating plate (42) at a position corresponding to the limit rod (51); a contraction groove (53) is provided on one end of the second lifting and rotating plate (42) close to the second lifting and rotating plate (42); an operating plate (56) is slidably mounted in the contraction groove (53); an elastic sheet (54) is fixedly mounted on one side of the operating plate (56) away from the rectangular through hole (48); and a triangular plate (57) is fixedly mounted on one side of the operating plate (56) away from the elastic sheet (54).

7. A lightning protection device for power supply network protection according to claim 6, characterized in that: One end of the triangular plate (57) away from the operating plate (56) slides through the limiting groove (52), and one end of the elastic sheet (54) away from the triangular plate (57) is fixedly installed on the contraction groove (53). A stabilizing rod (55) is slidably installed on the operating plate (56), and both ends of the stabilizing rod (55) are fixedly installed on the inside of the contraction groove (53).

8. A lightning protection device for power supply network protection according to claim 7, characterized in that: An air bag (58) is fixedly installed on one side of the shrinkage groove (53) close to the rectangular through hole (48), and an air pump (59) is fixedly installed on one side of the first lifting and rotating plate (41) close to the limiting rod (51), and the air pump (59) and the air bag (58) are connected to each other.

9. A lightning protection device for power supply network protection according to claim 1, characterized in that: A snap-fit ​​assembly (6) is provided on the mounting plate (3), and the snap-fit ​​assembly (6) comprises a mounting groove (61) with a snap-fit ​​groove (62) provided on a side of the mounting plate (3) close to the lightning rod (2), a top plate (66) is slidably installed in the mounting groove (61), a spring (67) is fixedly installed on a side of the top plate (66) away from the lightning rod (2), and a snap-fit ​​block (63) is fixedly installed on one end of the lightning rod (2) close to the mounting plate (3).

10. A lightning protection device for power supply network protection according to claim 9, characterized in that: A rotating plate (64) is rotatably mounted on one side of the top plate (66) away from the fixing bolt (65); one end of the spring (67) away from the rotating plate (64) is fixedly mounted on the inner bottom wall of the mounting groove (61); and a fixing bolt (65) for stabilizing the lightning rod (2) is threadedly installed through one side of the mounting plate (3).

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