CN221263331U

CN221263331U - Lightning protection device for transmission line

Info

Publication number: CN221263331U
Application number: CN202323142573.1U
Authority: CN
Inventors: 乔祯国
Original assignee: MASITE ANTI LIGHTNING TECHNOLO
Current assignee: MASITE ANTI LIGHTNING TECHNOLO
Priority date: 2023-11-21
Filing date: 2023-11-21
Publication date: 2024-07-02
Anticipated expiration: 2033-11-21

Abstract

The utility model belongs to the field of protection devices, in particular to a lightning protection device for a power transmission line, which comprises a power transmission line frame, a lifting device and an installation and disassembly assembly; the lifting device is provided with a fixed rod, one side of the fixed rod is fixedly connected with a latch bar, one side of the latch bar is in transmission connection with a gear, the periphery of the gear is fixedly provided with a transmission shaft, the other side of the transmission shaft is sleeved with a first servo motor, and the first servo motor is positioned on one side of the gear and is fixedly connected with a movable plate; the transmission shaft is driven by the first servo motor to rotate, the gear is driven to rotate together when the transmission shaft rotates, one side of the gear is in transmission connection with the clamping rack, the first servo motor is enabled to conduct vertical linear movement under the cooperation of the clamping rack and the gear, the function of lifting the lightning arrester is achieved, the problem that a person is very unchanged up and down is solved, and the adaptability of daily maintenance is improved.

Description

Lightning protection device for transmission line

Technical Field

The utility model relates to the field of protection devices, in particular to a lightning protection device for a transmission line.

Background

Lightning strike is one of the important factors affecting the safe and stable operation of the power grid. The tripping accident of the power transmission line caused by lightning strike frequently happens for a long time, and the safety and the stability of the power grid are extremely threatened.

Chinese patent No. CN201920116946.2 discloses a lightning protection device for transmission line, including installing lightning protection device on the shaft tower, erect many lightning conductor between the shaft tower simultaneously, the lightning conductor sets up with transmission line one-to-one, the lightning conductor is located directly over the transmission line and extending direction is the same with transmission line length direction be connected with a plurality of fixing device between lightning conductor and the transmission line, the both ends of lightning conductor are connected with the lightning protection device of shaft tower facial make-up respectively.

From the above, in the case of lightning strike occurring near the transmission line in the rainy weather, even when lightning strike hits the tower or the line, the lightning protection installed on the tower thereof can guide the overvoltage and the current generated by the lightning strike to the ground for dredging, but the case has the following disadvantages: the lightning protection device is often required to be maintained and detected in daily use so as to prevent the lightning protection device from happening, however, the lightning protection device is often installed at the top end of the circuit frame, the personnel are very unchanged up and down, high dangers are caused to the personnel under the influence of high voltage electricity and height, and meanwhile, time and labor are wasted when the dismounting and the installation are carried out, so that the labor burden of the personnel is increased.

Therefore, a lightning protection device for the transmission line is provided for solving the problems.

Disclosure of utility model

In order to overcome the defects of the prior art, the utility model provides a lightning protection device for a power transmission line, which is capable of solving the problems that personnel are not changed up and down and the labor burden of the personnel is increased.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a lightning protection device for a power transmission line, which comprises a power transmission line frame, a lifting device and an installation and disassembly assembly; the lifting device is provided with a fixing rod, one side of the fixing rod is fixedly connected with a latch bar, one side of the latch bar is in transmission connection with a gear, a transmission shaft is fixedly arranged around the gear, a first servo motor is sleeved on the other side of the transmission shaft, and the first servo motor is located on one side of the gear and is fixedly connected with a movable plate.

Preferably, the second servo motor with the number of two is installed to the installation disassembly component, six arris axles have been cup jointed to one side of second servo motor, another end joint of six arris axles has the movable rod, the inner wall of movable rod seted up with six arris grooves of six arris axle looks adaptations, movable rod's movable mounting has the loop bar all around, the screw thread groove has been seted up to one side of movable rod, one side transition fit of screw thread groove has the screw thread axle.

Preferably, a supporting platform is fixedly connected to one side of the top of the power transmission line frame, a conductive block is fixedly connected to the top of the supporting platform, a grounding device is fixedly connected to one side of the conductive block, and two gears are fixedly connected to one side of the back of the conductive block.

Preferably, a mounting groove is formed in one side of the conductive block, an electric connection block is movably connected to the inner wall of the mounting groove, a lightning arrester is fixedly connected to one side of the electric connection block, and two loop bars are fixedly connected to the bottom of the lightning arrester.

Preferably, the bottom of the loop bar is provided with a movable groove, the movable groove is arranged on one side of the movable bar, and one side of the movable groove is movably connected with a hexagonal shaft.

Preferably, one side fixedly connected with of fly leaf is four sliding blocks, one side of sliding block movable mounting has the guide rail respectively, the opposite side fixedly connected with dead lever of guide rail, the back one side fixedly connected with fixed plate of dead lever, the other end fixedly connected with transmission line frame of fixed plate.

Preferably, the top fixedly connected with stopper of dead lever, the top fixedly connected with lifter plate of fly leaf, the top fixedly connected with second servo motor that the quantity is two of lifter plate.

The utility model has the advantages that:

1. According to the utility model, through the structural design of the lifting device, the transmission shaft is driven to rotate through the first servo motor, the gear is driven to rotate together when the transmission shaft rotates, one side of the gear is in transmission connection with the clamping rack, and the first servo motor is enabled to perform vertical linear movement under the cooperation of the clamping rack and the gear, so that the lifting function of the lightning arrester is realized, the problem that personnel are unchanged up and down is solved, and the adaptability of daily maintenance is improved;

2. According to the utility model, through the structural design of the mounting and dismounting assembly, the movable rod rotates to enable the thread groove and the thread shaft to be movably sleeved, so that the loop bar and the lightning arrester fixed at the top of the loop bar are driven to move, when the lightning arrester moves to a proper position, the lightning arrester is grounded by clamping the electric connection block fixed at one side of the lightning arrester with the mounting groove formed in the electric conduction block, the function of mounting and dismounting the lightning arrester by the mechanical executive element is realized, the problem of increasing the labor burden of personnel is solved, and the safety of the operating personnel is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an exploded view of the overall structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;

FIG. 4 is an exploded view of the assembly and disassembly structure of the present utility model;

FIG. 5 is an enlarged schematic view of the structure A of FIG. 1 according to the present utility model;

fig. 6 is a schematic diagram showing the structure of the assembly and disassembly assembly according to the present utility model.

In the figure: 1. a power transmission line frame; 2. a lifting device; 3. installing and dismantling the assembly; 11. a support platform; 12. a conductive block; 13. a mounting groove; 14. a grounding device; 21. a fixed rod; 22. a guide rail; 23. a clamping rack; 24. a sliding block; 25. a movable plate; 26. a first servo motor; 27. a lifting plate; 28. a gear; 29. a limiting block; 31. a second servo motor; 32. a hexagonal shaft; 33. a loop bar; 34. a movable rod; 35. a six-edge groove; 36. a movable groove; 37. a thread groove; 38. a threaded shaft; 39. a lightning arrester; 201. a fixing plate; 202. a transmission shaft; 301. and a power connection block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, a lightning protection device for an electric transmission line comprises an electric transmission line frame 1, a lifting device 2 and an installation and disassembly assembly 3; the lifting device 2 is provided with a fixed rod 21, one side of the fixed rod 21 is fixedly connected with a latch bar 23, one side of the latch bar 23 is in transmission connection with a gear 28, the periphery of the gear 28 is fixedly provided with a transmission shaft 202, the other side of the transmission shaft 202 is sleeved with a first servo motor 26, and one side of the first servo motor 26, which is positioned on the gear 28, is fixedly connected with a movable plate 25;

When the movable plate 25 is in operation, the transmission shaft 202 is driven by the power provided by the first servo motor 26 to rotate the gear 28, and the first servo motor 26 and the movable plate 25 are relatively displaced under the cooperation of the gear 28 and the latch bar 23, so that the movable plate 25 is movably lifted and lowered on the fixed rod 21.

Further, the assembly and disassembly assembly 3 is provided with second servo motors 31 with two numbers, one side of each second servo motor 31 is sleeved with a hexagonal shaft 32, the other end of each hexagonal shaft 32 is clamped with a movable rod 34, the inner wall of each movable rod 34 is provided with a hexagonal groove 35 matched with the hexagonal shaft 32, sleeve rods 33 are movably arranged around the movable rods 34, one side of each movable rod 34 is provided with a thread groove 37, and one side of each thread groove 37 is in transition fit with a thread shaft 38;

During operation, the second servo motor 31 is driven to rotate the hexagonal shaft 32, and the movable rod 34 is driven to rotate in the inner wall of the sleeve rod 33 under the condition that the hexagonal shaft 32 is clamped with the hexagonal groove 35, so that the threaded groove 37 formed on the other side of the sleeve rod 33 is sleeved with the threaded shaft 38 during rotation.

Further, a supporting platform 11 is fixedly connected to one side of the top of the power transmission line frame 1, a conductive block 12 is fixedly connected to the top of the supporting platform 11, a grounding device 14 is fixedly connected to one side of the conductive block 12, and two gears 28 are fixedly connected to one side of the back of the conductive block 12;

During operation, the supporting platform 11 is fixedly supported through the power transmission line frame 1, so that the installation and the support of the lightning arrester 39 through the supporting platform 11 are facilitated, and the whole operation is stable.

Further, a mounting groove 13 is formed in one side of the conductive block 12, the inner wall of the mounting groove 13 is movably connected with a power connection block 301, a lightning arrester 39 is fixedly connected to one side of the power connection block 301, and two loop bars 33 are fixedly connected to the bottom of the lightning arrester 39;

In operation, the lightning arrester 39 is connected to the grounding block 301 through the conductive block 12, and the lightning arrester 39 absorbs the energy of lightning to be conducted to the inside of the grounding device 14 through the conductive block 12, and then is grounded and discharged by the grounding device 14.

Further, a movable groove 36 is formed in the bottom of the sleeve rod 33, the movable groove 36 is formed in one side of the movable rod 34, and one side of the movable groove 36 is movably connected with the hexagonal shaft 32;

During operation, the movable groove 36 is formed to enable the six-edge shaft 32 to be installed, and when the movable rod 34 is used for movably sleeving the threaded shaft 38, the second servo motor 31 and the six-edge shaft 32 are lowered and recovered through the lifting plate 27, and when the lightning arrester 39 needs to be removed and checked, the six-edge shaft 32 is lifted up through the lifting plate 27 and is in clamping connection with the six-edge groove 35 again through the movable groove 36.

Further, one side of the movable plate 25 is fixedly connected with four sliding blocks 24, one side of each sliding block 24 is movably provided with a guide rail 22, the other side of each guide rail 22 is fixedly connected with a fixed rod 21, one side of the back surface of each fixed rod 21 is fixedly connected with a fixed plate 201, and the other end of each fixed plate 201 is fixedly connected with a power transmission line frame 1;

During operation, the sliding block 24 slides on the guide rail 22 to limit the movable plate 25, and the movable plate 25 ensures that the first servo motor 26 is a consistent vertical moving track under the condition of being limited, so that the gear 28 firmly drives the clamping rack 23.

Further, a limiting block 29 is fixedly connected to the top of the fixed rod 21, a lifting plate 27 is fixedly connected to the top of the movable plate 25, and second servo motors 31 with the number of two are fixedly connected to the top of the lifting plate 27;

When the movable plate 25 is lifted to the top, the movable plate is limited by the limiting block 29, the gear 28 and the sliding block 24 are prevented from falling off a specified track, and the lifting plate 27 drives the second servo motor 31 to lift together when lifting.

Working principle: in the first embodiment, the first servo motor 26 drives the transmission shaft 202 to rotate, the gear 28 is driven to rotate together when the transmission shaft 202 rotates, one side of the gear 28 is in transmission connection with the clamping rack 23, the first servo motor 26 is enabled to perform vertical linear movement under the cooperation of the clamping rack 23 and the gear 28, in order to prevent the gear 28 from falling off in transmission of the clamping rack 23, the first servo motor 26 is fixed through the movable plate 25, four fixed sliding blocks 24 at the bottom of the movable plate 25 slide on the guide rail 22, the first servo motor 26 is limited, the gear 28 always keeps a consistent moving track, the gear 28 is driven to rotate clockwise through the first servo motor 26, the movable plate 25 drives the lifting plate 27 to perform jacking movement, when the gear 28 rotates anticlockwise, the movable plate 25 drives the lifting plate 27 to perform descending movement, personnel installs and debugs the lightning arrester 39 when the lifting plate 27 is installed and debugged when the lifting plate 27 is installed on the top, and the lightning arrester 39 is driven by mechanical energy when the lifting plate 27 is installed on the top.

In the second embodiment, when the lifting plate 27 is lifted to the top, one end of the movable rod 34 and the threaded shaft 38 are horizontally aligned, then the second servo motor 31 is driven to make the hexagonal shaft 32 rotate, the hexagonal shaft 32 is clamped with the inner wall of the hexagonal groove 35, the hexagonal groove 35 rotates in the sleeve rod 33, the threaded groove 37 matched with the surface threads of the threaded shaft 38 is formed on one side of the movable rod 34, the threaded groove 37 and the threaded shaft 38 are movably sleeved through the rotation of the movable rod 34, so that the sleeve rod 33 and the lightning arrester 39 fixed on the top of the sleeve rod 33 are driven to move, when the lightning arrester is moved to a proper position, the lightning arrester 39 is grounded through the clamping of the electric connection block 301 fixed on one side of the lightning arrester 39 and the mounting groove 13 formed by the conductive block 12, the hexagonal shaft 32 can descend along with the lifting plate 27 after the movement of the movable rod 34, the movable groove 36 formed on the bottom of the sleeve rod 33 and the movable rod 34 enables the hexagonal shaft 32 to selectively clamp the sleeve rod 33, and thus the installation and the detachment of the lightning arrester 39 are realized.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A lightning protection device for a transmission line is characterized in that: comprises a power transmission line frame (1), a lifting device (2) and an installation and disassembly assembly (3); the lifting device is characterized in that the lifting device (2) is provided with a fixing rod (21), one side of the fixing rod (21) is fixedly connected with a latch strip (23), one side of the latch strip (23) is in transmission connection with a gear (28), the periphery of the gear (28) is fixedly provided with a transmission shaft (202), the other side of the transmission shaft (202) is sleeved with a first servo motor (26), and the first servo motor (26) is located on one side of the gear (28) and fixedly connected with a movable plate (25).

2. The lightning protection device for a power transmission line according to claim 1, wherein: the assembly is dismantled in the installation (3) and is installed second servo motor (31) that is two in quantity, six arris axle (32) have been cup jointed to one side of second servo motor (31), the other end joint of six arris axle (32) has movable rod (34), the inner wall of movable rod (34) seted up with six arris groove (35) of six arris axle (32) looks adaptation, movable mounting has loop bar (33) all around of movable rod (34), screw thread groove (37) have been seted up to one side of movable rod (34), one side transitional fit of screw thread groove (37) has screw thread axle (38).

3. The lightning protection device for a power transmission line according to claim 1, wherein: the power transmission line frame is characterized in that a supporting platform (11) is fixedly connected to one side of the top of the power transmission line frame (1), a conductive block (12) is fixedly connected to the top of the supporting platform (11), a grounding device (14) is fixedly connected to one side of the conductive block (12), and two gears (28) are fixedly connected to one side of the back of the conductive block (12).

4. A lightning protection device for a power transmission line according to claim 3, wherein: the installation groove (13) has been seted up to one side of conducting block (12), the inner wall swing joint of installation groove (13) has electric connection piece (301), one side fixedly connected with arrester (39) of electric connection piece (301), the bottom fixedly connected with of arrester (39) is loop bar (33) that is two in quantity.

5. The lightning protection device for a power transmission line according to claim 4, wherein: the bottom of the loop bar (33) is provided with a movable groove (36), the movable groove (36) is arranged on one side of the movable bar (34), and one side of the movable groove (36) is movably connected with a hexagonal shaft (32).

6. The lightning protection device for a power transmission line according to claim 1, wherein: one side fixedly connected with of fly leaf (25) is slider (24) that four is quantity, one side of slider (24) movable mounting has guide rail (22) respectively, the opposite side fixedly connected with dead lever (21) of guide rail (22), the back one side fixedly connected with fixed plate (201) of dead lever (21), the other end fixedly connected with transmission line frame (1) of fixed plate (201).

7. The lightning protection device for a power transmission line according to claim 5, wherein: the top fixedly connected with stopper (29) of dead lever (21), the top fixedly connected with lifter plate (27) of fly leaf (25), the top fixedly connected with second servo motor (31) that lifter plate (27) is two in quantity.