Lightning protection device for overhead distribution line

Abstract

The invention relates to the field of circuit lightning protection, in particular to an overhead distribution line lightning protection device which comprises a base, a lifting mechanism is arranged in the base, a lightning guiding mechanism is arranged at the upper end of the base, a cavity is formed in the base in a penetrating mode, and two sliding holes are symmetrically formed in the upper surface of the base in a penetrating mode. The inner walls of the two sliding holes are each slidably connected with a sliding block, one ends of the two sliding blocks extend out of the base and are jointly and fixedly connected with a supporting block, a lightning rod is fixedly connected to the middle of the upper surface of the supporting block, and rotating wheels are fixedly connected to the four corners of the lower surface of the base. The storage device is adjusted according to the width of the cable, damage caused by shaking of the cable in strong wind and heavy rain is prevented, meanwhile, lightning protection can be conducted on the erected wire, secondary limiting can be conducted on the cable, the cable is prevented from being moved out of the device, the height of the device can be adjusted according to the height of the cable, and the use flexibility of the device is improved.

Description

Technical Field

[0001] The invention relates to the field of circuit lightning protection, in particular to an overhead distribution line lightning protection device. Background Art

[0002] Overhead distribution lines are distribution lines that directly supply power to users by suspending conductors on poles. The main components of overhead distribution lines include conductors, insulators, towers, guy wires, foundations, cross-arm hardware, etc. They also include auxiliary electrical equipment installed on overhead distribution lines, such as transformers, circuit breakers, disconnectors, drop-out fuses, etc.

[0003] The existing lightning protection measures for overhead distribution lines are to install a lightning protection structure on the top of the pylon and achieve lightning protection through a pre-buried lightning protection net. However, when installing overhead distribution lines, the distance between the two pylons is long. In open places, the transmission lines are high and easily attracted by lightning. Therefore, it is necessary to propose a lightning protection device for overhead distribution lines. Summary of the Invention

[0004] In view of the problems in the prior art, the present invention provides a lightning protection device for an overhead power distribution line.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a lightning protection device for an overhead distribution line, comprising a base, a lifting mechanism provided inside the base, and a lightning induction mechanism provided at the upper end of the base, characterized in that a cavity is provided through the interior of the base, and two sliding holes are symmetrically provided through the upper surface of the base, and the inner walls of the two sliding holes are respectively slidably connected to a slider, and one end of the two sliders extends to the outside of the base and is fixedly connected to a support block, a lightning rod is fixedly connected to the middle position of the upper surface of the support block, and rotating wheels are fixedly connected to the four corners of the lower surface of the base.

[0006] Specifically, the lifting mechanism includes a first threaded rod, one end of which is rotatably connected to the inner bottom wall of the base, and the other end extends to the outside of the top of the base through a screw hole and is provided with a first handle. The outer wall of the first threaded rod is threadedly connected to a first nut, and the outer wall of the first nut is fixedly connected to a mounting block, and the mounting block is fixedly connected to both sliders.

[0007] Specifically, the lightning inducing mechanism includes two auxiliary lightning rods, and the two auxiliary lightning rods are symmetrically arranged at both ends of the support block. The upper surface of the support block is symmetrically provided with two movable grooves relative to the lightning rods. The inner walls of the two movable grooves are respectively slidably connected to a movable block. The ends of the two movable blocks facing away from each other extend outside the corresponding movable grooves and are respectively fixedly connected to an auxiliary lightning rod. The upper surfaces of the two movable blocks are respectively fixedly connected to a storage block, and the upper surfaces of the two storage blocks are each provided with an arc-shaped storage groove.

[0008] Specifically, a driving cavity is opened inside the support block and relative to the position of the lightning rod, and the two ends of the movable grooves facing each other extend into the driving cavity. The inner wall of the driving cavity is rotatably connected to a second threaded rod, and the outer wall of the second threaded rod is threadedly connected to a second nut. The outer wall of the second nut is symmetrically rotatably connected to two push blocks, and the other ends of the two push blocks are respectively rotatably connected to the moving block on the same side. One end of the second threaded rod is rotatably set on the inner wall of the driving cavity, and the other end extends to the outside of the support block and is provided with a second handle.

[0009] Specifically, a cavity is respectively opened inside the two moving blocks, and the inner walls of the two cavities are respectively slidably connected to an L-shaped slider, and the upper surfaces of the two storage blocks are rotatably connected to one end of the L-shaped slider through a mounting frame to form a blocking block, and the outer walls at both ends of the two blocking blocks are respectively fixedly connected to a torsion spring, and the torsion springs at both ends of each blocking block are fixedly connected to the corresponding mounting frame, and the ends of the two L-shaped sliders close to the corresponding storage block extend to the upper part of the corresponding storage block and are against the corresponding blocking block.

[0010] Specifically, a groove is formed on the outer wall of one side of the two sliders, and a top block is slidably connected to the inner wall of the two grooves. One end of each top block extends into the movable groove on the same side and abuts against the corresponding L-shaped slider. The other end of each top block extends into the extended base and is fixedly connected to a spring. The other end of each spring is fixedly connected to the corresponding slider.

[0011] Specifically, a plurality of latch holes are formed through the outer walls of each top block and the sliding block at equal intervals, and each top block is engaged with the corresponding sliding block via a latch.

[0012] Specifically, a guide wire is fixedly connected to the lower surface of the lightning rod and the auxiliary lightning rod, and the other end of each guide wire is fixedly connected to a grounding body.

[0013] Beneficial effects of the present invention:

[0014] (1) The lightning protection device for overhead power distribution lines described in the present invention is to move the device to the lower end of the electric wire, and drive the second threaded rod to rotate through the second handle. The second threaded rod pushes the push block and the moving block outward through the second nut to adjust the position of the storage block. The first threaded rod is driven to rotate through the first handle, and the first threaded rod drives the installation block and the support block to move upward to store the electric wires in the storage block. The cables can be stored, and the storage device can be adjusted according to the width of the cables to prevent the cables from shaking and causing damage during strong winds and heavy rains. At the same time, the overhead power lines can be protected from lightning.

[0015] (2) The lightning protection device for overhead power distribution lines described in the present invention can drive the first threaded rod to rotate through the first handle, and the first threaded rod pushes the first nut and the mounting block to move upward, and the mounting block pushes the push block and the support block to move upward, and the height of the storage block can be adjusted. The top block and the L-shaped slider can be pushed upward, and the blocking block can be pushed by the L-shaped slider to close the storage block, and the cable can be limited for a second time to prevent the cable from moving out of the storage block. The height of the device can be adjusted according to the height of the cable, thereby increasing the flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings and examples.

[0017] Figure 1 A schematic front view of the structure of an overhead distribution line lightning protection device provided by the present invention;

[0018] Figure 2 A schematic cross-sectional view of a lightning protection device for an overhead power distribution line provided by the present invention;

[0019] Figure 3 A schematic cross-sectional view of the base structure of an overhead distribution line lightning protection device provided by the present invention;

[0020] Figure 4 A schematic diagram of the installation position structure of a top block of an overhead distribution line lightning protection device provided by the present invention;

[0021] Figure 5 A schematic diagram of the front view structure of a support block of an overhead distribution line lightning protection device provided by the present invention;

[0022] Figure 6 A schematic diagram of a partial cross-sectional structure of a support block of an overhead distribution line lightning protection device provided by the present invention;

[0023] Figure 7 The present invention provides a schematic diagram of the front view structure of a storage block of an overhead distribution line lightning protection device.

[0024] In the figure: 1. Base; 2. Lifting mechanism; 21. First threaded rod; 22. First nut; 23. Mounting block; 3. Lightning induction mechanism; 31. Auxiliary lightning rod; 32. Moving block; 33. Storage block; 34. Arc-shaped storage groove; 4. Slider; 5. Support block; 6. Lightning rod; 7. Second threaded rod; 8. Second nut; 9. Push block; 10. L-shaped slider; 11. Blocking block; 12. Torsion spring; 13. Top block; 14. Spring; 15. Pin hole; 16. Pin; 17. Guide wire; 18. Grounding body; 19. Rotating wheel. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] like Figure 1-Figure 7 As shown, the present invention describes an overhead distribution line lightning protection device, comprising a base 1, a lifting mechanism 2 being provided inside the base 1, a lightning induction mechanism 3 being provided at the upper end of the base 1, a cavity being provided through the inside of the base 1, and two sliding holes being symmetrically provided through the upper surface of the base 1, a slider 4 being slidably connected to the inner walls of the two sliding holes, and one end of the two sliders 4 extending to the outside of the base 1 and being fixedly connected to a support block 5, a lightning rod 6 being fixedly connected to the middle position of the upper surface of the support block 5, and rotating wheels 19 being fixedly connected to the four corners of the lower surface of the base 1.

[0027] Among them, the lifting mechanism 2 includes a first threaded rod 21, one end of the first threaded rod 21 is rotatably connected to the inner bottom wall of the base 1, and the other end extends to the outside of the top of the base 1 through a screw hole and is provided with a first handle. The outer wall of the first threaded rod 21 is threadedly connected to a first nut 22, and the outer wall of the first nut 22 is fixedly connected to a mounting block 23, and the mounting block 23 is fixedly connected to both sliders 4.

[0028] Among them, the lightning inducing mechanism 3 includes two auxiliary lightning rods 31, and the two auxiliary lightning rods 31 are symmetrically arranged at both ends of the support block 5. The upper surface of the support block 5 is symmetrically provided with two movable grooves relative to the lightning rod 6. The inner walls of the two movable grooves are respectively slidably connected to a movable block 32. The ends of the two movable blocks 32 that are away from each other extend to the outside of the corresponding movable groove and are respectively fixedly connected to an auxiliary lightning rod 31. The upper surfaces of the two movable blocks 32 are respectively fixedly connected to a storage block 33, and the upper surfaces of the two storage blocks 33 are each provided with an arc-shaped storage groove 34.

[0029] Among them, a driving cavity is opened inside the support block 5 and relative to the position of the lightning rod 6. The two ends of the moving grooves facing each other extend into the driving cavity. The inner wall of the driving cavity is rotatably connected to the second threaded rod 7, and the outer wall of the second threaded rod 7 is threadedly connected to the second nut 8. The outer wall of the second nut 8 is symmetrically rotatably connected to two push blocks 9. The other ends of the two push blocks 9 are respectively rotatably connected to the moving block 32 on the same side. One end of the second threaded rod 7 is rotatably set on the inner wall of the driving cavity, and the other end extends to the outside of the support block 5 and is provided with a second handle.

[0030] Among them, the interior of the two moving blocks 32 is respectively provided with a cavity, and the inner walls of the two cavities are respectively slidably connected to an L-shaped slider 10, and the upper surfaces of the two storage blocks 33 are rotatably connected to one end of the L-shaped slider 10 through a mounting frame to form a blocking block 11, and the outer walls at both ends of the two blocking blocks 11 are respectively fixedly connected to a torsion spring 12, and the torsion springs 12 at both ends of each blocking block 11 are fixedly connected to the corresponding mounting frame, and the ends of the two L-shaped sliders 10 close to the corresponding storage block 33 extend to the upper part of the corresponding storage block 33 and are against the corresponding blocking block 11.

[0031] Among them, a groove is formed on the outer wall of one side of the two sliders 4, and a top block 13 is slidably connected to the inner wall of the two grooves, and one end of each top block 13 extends into the movable groove on the same side and abuts against the corresponding L-shaped slider 10. The other end of each top block 13 passes through the extended base 1 and is fixedly connected to a spring 14, and the other end of each spring 14 is fixedly connected to the corresponding slider 4.

[0032] A plurality of latch holes 15 are formed at equal intervals through the outer wall of each top block 13 and the outer wall of the sliding block 4 , and each top block 13 is connected to the corresponding sliding block 4 via a latch 16 .

[0033] The lower surface of the lightning rod 6 and the auxiliary lightning rod 31 is fixedly connected to a guide wire 17 , and the other end of each guide wire 17 is fixedly connected to a grounding body 18 .

[0034] When in use, according to the width of the wire, the second handle is used to drive the second threaded rod 7 to rotate, and the second threaded rod 7 pushes the two push blocks 9 and the two moving blocks 32 to move outward through the second nut 8. The two moving blocks 32 drive the two receiving blocks 33 to move outward, so that the two receiving blocks 33 are parallel to the two cables. Then the pin 16 is removed from the pin hole 15 opened in the slider 4, and then the top block 13 is pushed downward by the pin 16, so that the L-shaped slider 10 moves downward and separates from the blocking block 11. Then, the torsion spring 12 drives the blocking block 11 to rotate, exposing the arc-shaped receiving groove 34 in the receiving block 33, and then the first handle is used. The first threaded rod 21 is driven to rotate, and the first threaded rod 21 drives the mounting block 23, the slider 4 and the support block 5 to move upward through the first nut 22 until the cable moves into the arc-shaped receiving groove 34 provided in the receiving block 33. Then, the top block 13 and the L-shaped slider 10 are moved upward through the latch 16. The blocking block 11 is pushed to rotate by the L-shaped slider 10, so that the blocking block 11 and the receiving block 33 are abutted and the torsion spring 12 is twisted to fix the cable. Then, the latch 16 is fully inserted into the latch hole 15 provided in the slider 4. At the same time, the grounding body 18 is connected to the ground. At this time, the auxiliary lightning rod 31 and the lightning rod 6 can be used for lightning protection.

[0035] When not in use, the latch 16 is removed from the latch hole 15 provided in the slider 4, and then the top block 13 is pushed downward by the latch 16 to separate the L-shaped slider 10 from the blocking block 11, and the blocking block 11 is driven to separate from the storage block 33 by the torsion spring 12, and the first threaded rod 21 is driven to rotate in the opposite direction by the first handle, and the first nut 22, the mounting block 23 and the support block 5 are driven downward by the first threaded rod 21 to move part of the slider 4 into the interior of the base 1.

[0036] The basic principles, main features, and advantages of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and modifications fall within the scope of protection claimed by the present invention.

Claims

1. A lightning protection device for an overhead power distribution line, comprising a base (1), a lifting mechanism (2) provided inside the base (1), a lightning induction mechanism (3) provided at the upper end of the base (1), characterized in that: A cavity is provided inside the base (1), and two sliding holes are symmetrically provided on the upper surface of the base (1). The inner walls of the two sliding holes are respectively slidably connected to a slider (4), and one end of the two sliders (4) extends outside the base (1) and is fixedly connected to a support block (5). A lightning rod (6) is fixedly connected to the middle position of the upper surface of the support block (5), and rotating wheels (19) are fixedly connected to the four corners of the lower surface of the base (1).

2. The lightning protection device for overhead power distribution lines according to claim 1, characterized in that: The lifting mechanism (2) comprises a first threaded rod (21), one end of the first threaded rod (21) is rotatably connected to the inner bottom wall of the base (1), and the other end extends to the outside of the top of the base (1) through a screw hole and is provided with a first handle, the outer wall of the first threaded rod (21) is threadedly connected to a first nut (22), the outer wall of the first nut (22) is fixedly connected to a mounting block (23), and the mounting block (23) is fixedly connected to both sliders (4).

3. The lightning protection device for overhead power distribution lines according to claim 1, characterized in that: The lightning induction mechanism (3) includes two auxiliary lightning rods (31), and the two auxiliary lightning rods (31) are symmetrically arranged at both ends of the support block (5). The upper surface of the support block (5) is symmetrically provided with two movable grooves relative to the lightning rod (6). The inner walls of the two movable grooves are respectively slidably connected to a movable block (32). The ends of the two movable blocks (32) that are away from each other extend outside the corresponding movable grooves and are respectively fixedly connected to one of the auxiliary lightning rods (31). The upper surfaces of the two movable blocks (32) are respectively fixedly connected to a receiving block (33). The upper surfaces of the two receiving blocks (33) are respectively provided with an arc-shaped receiving groove (34).

4. The overhead distribution line lightning protection device according to claim 3, characterized in that: A driving cavity is provided inside the support block (5) and relative to the position of the lightning rod (6), and the two ends of the movable grooves facing each other extend into the driving cavity. The inner wall of the driving cavity is rotatably connected to a second threaded rod (7), and the outer wall of the second threaded rod (7) is threadedly connected to a second nut (8). The outer wall of the second nut (8) is symmetrically rotatably connected to two push blocks (9), and the other ends of the two push blocks (9) are respectively rotatably connected to the movable block (32) on the same side. One end of the second threaded rod (7) is rotatably set on the inner wall of the driving cavity, and the other end extends to the outside of the support block (5) and is provided with a second handle.

5. The overhead distribution line lightning protection device according to claim 3, characterized in that: The two moving blocks (32) are each provided with a cavity inside, and the inner walls of the two cavities are each slidably connected to an L-shaped slider (10), and the upper surfaces of the two receiving blocks (33) are rotatably connected to one end of the L-shaped slider (10) through a mounting frame to have a blocking block (11), and the outer walls at both ends of the two blocking blocks (11) are respectively fixedly connected to a torsion spring (12), and the torsion springs (12) at both ends of each blocking block (11) are fixedly connected to the corresponding mounting frame, and the ends of the two L-shaped sliders (10) close to the corresponding receiving blocks (33) extend to the upper part of the corresponding receiving blocks (33) and abut against the corresponding blocking blocks (11).

6. The overhead distribution line lightning protection device according to claim 3, characterized in that: A groove is formed through the outer wall of one side of the two sliders (4), and the inner walls of the two grooves are respectively slidably connected to a top block (13), and one end of each top block (13) extends through the movable groove on the same side and abuts against the corresponding L-shaped slider (10), and the other end of each top block (13) extends through the extension base (1) and is fixedly connected to a spring (14), and the other end of each spring (14) is fixedly connected to the corresponding slider (4).

7. The overhead distribution line lightning protection device according to claim 6, characterized in that: A plurality of latch holes (15) are equidistantly provided through the outer wall of each top block (13) and the sliding block (4), and each top block (13) is connected to the corresponding sliding block (4) via a latch (16).

8. The lightning protection device for overhead power distribution lines according to claim 3, characterized in that: The lower surfaces of the lightning rod (6) and the auxiliary lightning rod (31) are both fixedly connected to a guide wire (17), and the other end of each guide wire (17) is fixedly connected to a grounding body (18).

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