Lightning protection device for power transmission line

Abstract

The utility model discloses a lightning protection device for a power transmission line, and the device comprises an installation pedestal, the interior of the installation pedestal is symmetrically and slidably connected with second insertion blocks, one side of each second insertion block is fixedly connected with a first rack, the interior of the installation pedestal is symmetrically and rotatably connected with a connection shaft, and the outer side of the connection shaft is fixedly connected with a transmission gear matched with the first rack. First insertion blocks are symmetrically and slidably connected into the mounting base; the utility model relates to the technical field of lightning protection devices, and the lightning protection device of the power transmission line realizes the function of quickly mounting and dismounting a lightning rod through the arrangement of a knob, a transmission shaft, a connecting shaft, a transmission gear, a second rack, a first insertion block, a mounting block, a slot, a first rack, a second insertion block and a locking groove, does not need tools, and is convenient to operate; and by arranging a fixing block, a connecting rod, a spring, a sliding block, an inserting rod and a limiting groove, the function of locking the position of the rotary knob is achieved, reverse rotation of the transmission shaft is prevented, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to lightning protection device technical field, concretely is power transmission line lightning protection device. BACKGROUND

[0002] The power transmission line refers to the electric energy that transformer will be sent out by generator is boosted, through the control equipment such as circuit breaker is connected to power transmission line, to realize the long-distance transmission of electric energy.The main function of power transmission line is to connect power plant and load center, make the development and utilization of electric energy transcend the limit of region, and realize the connection between different places of power plant, to carry out peak-valley regulation, improve the reliability of power utilization.In the operation and maintenance of power transmission line, lightning protection treatment is needed, so lightning protection device needs to be used.

[0003] The lightning protection device in prior art usually adopts multiple bolts to install and fix when using, and the working efficiency is low by using multiple bolts to fix, and the process of disassembling needs to be screwed repeatedly by using wrench and other tools, and the position needs to be changed constantly during installation, the operation steps are complicated, the practicability of lightning protection device is reduced, and it is inconvenient to use.Therefore, we propose a power transmission line lightning protection device. UTILITY MODEL CONTENTS

[0004] In view of the defects of prior art, the utility model provides a power transmission line lightning protection device, solves the problem that the lightning protection device usually adopts multiple bolts to install and fix when using, and the working efficiency is low by using multiple bolts to fix, the process of disassembling needs to be screwed repeatedly by using wrench and other tools, and the position needs to be changed constantly during installation, the operation steps are complicated, and the practicability of lightning protection device is reduced.

[0005] To achieve the above object, the utility model is realized by the following technical schemes:

[0006] The utility model provides a lightning protection device for transmission line, including installation base, the inside symmetry of installation base is connected with second plug -in block, one side of second plug -in block is fixedly connected with first rack gear, the inside symmetry of installation base is rotatably connected with connecting shaft, the outside fixed connection of connecting shaft has transmission gear who uses with first rack gear, the inside symmetry of installation base is connected with first plug -in block, one side of first plug -in block is fixedly connected with second rack gear who uses with transmission gear, the top of installation base is equipped with insulating connecting rod, the inside symmetry of insulating connecting rod is opened with locking groove who uses with second plug -in block, the top of insulating connecting rod is fixedly connected with lightning rod, the outside symmetry of insulating connecting rod is fixedly connected with inclined support rod, the bottom of inclined support rod is fixedly connected with mounting block, the inside of mounting block is opened with the slot who uses with first plug -in block, when using, through lightning rod cooperation ground wire can play the effect of lightning protection, through connecting shaft drive transmission gear produces rotation, through the rotation of transmission gear drives second rack gear and first rack gear produces movement, second rack gear drives first plug -in block and moves into the inside of slot, thereby the position of mounting block is limit fixed, first rack gear drives second plug -in block and moves into the inside of locking groove, thereby the position of insulating connecting rod is limit fixed, has strengthened the stable effect of lightning rod installation.

[0007] Preferably, the top of the installation base is symmetrically provided with a first placing groove matched with the mounting block, which can be matched with the mounting block to facilitate the installation of the lightning rod.

[0008] Preferably, the top of the installation base is provided with a second placing groove matched with the insulating connecting rod, which can be matched with the insulating connecting rod to facilitate the installation of the lightning rod.

[0009] Preferably, the inner wall of the installation base is fixedly connected with a limiting rod, and the first plug-in block and the second plug-in block are slidably connected with the limiting rod, which can limit the movement of the first plug-in block and the second plug-in block.

[0010] Preferably, one end of the connecting shaft is fixedly connected with a second bevel gear, the inside of the installation base is rotatably connected with a transmission shaft, the outside of the transmission shaft is fixedly connected with a first bevel gear matched with the second bevel gear, one end of the transmission shaft is fixedly connected with a knob, the knob drives the first bevel gear to rotate through the transmission shaft, and the first bevel gear drives the connecting shaft to rotate through the second bevel gear.

[0011] Preferably, one side of the mounting base is fixedly connected with a fixed block, the inside of the fixed block is slidably connected with a connecting rod, one end of the connecting rod is fixedly connected with a sliding block, the sliding block is slidably connected with the mounting base, the outside of the connecting rod and on one side of the sliding block is sleeved with a spring, the bottom of the sliding block is fixedly connected with a plug rod, the inside of the knob is equidistantly provided with a limiting slot matched with the plug rod, the sliding block is moved by the connecting rod, the sliding block is moved and reset by the spring, the plug rod is moved into the inside of the limiting slot by the sliding block, so that the position of the knob is locked, and the reverse rotation of the transmission shaft is prevented.

[0012] The utility model provides a lightning protection device for transmission line, which has the following beneficial effects compared with the prior art:

[0013] 1. The lightning protection device for transmission line, by setting the knob, transmission shaft, connecting shaft, transmission gear, second rack, first plug, mounting block, slot, first rack, second plug and locking groove, realizes the function of quickly installing and dismounting the lightning rod without the aid of tools and convenient operation.

[0014] 2. The lightning protection device for transmission line, by setting the fixed block, connecting rod, spring, sliding block, plug rod and limiting slot, realizes the function of locking the position of the knob, prevents the reverse rotation of the transmission shaft and is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the structural schematic diagram of the utility model;

[0016] Figure 2 is the structural schematic diagram of the utility model's insulation connecting rod;

[0017] Figure 3 is the internal structural schematic diagram of the utility model's mounting base;

[0018] Figure 4 is the structural schematic diagram of the utility model's transmission shaft;

[0019] Figure 5 is the structural schematic diagram of the utility model's fixed block.

[0020] In the drawing: 1, mounting base; 2, knob; 3, fixed block; 4, inclined support rod; 5, lightning rod; 6, insulation connecting rod; 7, mounting block; 8, locking groove; 9, slot; 10, transmission shaft; 11, first bevel gear; 12, first placing groove; 13, second placing groove; 14, connecting shaft; 15, first plug; 16, limiting rod; 17, second bevel gear; 18, first rack; 19, limiting slot; 20, transmission gear; 21, second plug; 22, second rack; 23, connecting rod; 24, plug rod; 25, sliding block; 26, spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figures 1 to 5 The utility model provides a technical scheme:

[0023] The lightning protection device for power transmission line, including installation base 1, the inside symmetry of installation base 1 is slidably connected with second plug block 21, one side of second plug block 21 is fixedly connected with first rack 18, the inside symmetry of installation base 1 is rotatably connected with connecting shaft 14, the outside of connecting shaft 14 is fixedly connected with transmission gear 20 used in cooperation with first rack 18, the inside symmetry of installation base 1 is slidably connected with first plug block 15, one side of first plug block 15 is fixedly connected with second rack 22 used in cooperation with transmission gear 20, the top of installation base 1 is equipped with insulating connecting rod 6, the inside symmetry of insulating connecting rod 6 is equipped with locking groove 8 used in cooperation with second plug block 21, the top of insulating connecting rod 6 is fixedly connected with lightning rod 5, the outside symmetry of insulating connecting rod 6 is fixedly connected with oblique support rod 4, the bottom of oblique support rod 4 is fixedly connected with mounting block 7, the inside of mounting block 7 is equipped with insertion slot 9 used in cooperation with first plug block 15;When using, the lightning rod 5 can play the effect of lightning protection by cooperating with the ground wire, the connecting shaft 14 drives transmission gear 20 to produce rotation, the second rack 22 and the first rack 18 are driven to move by the rotation of transmission gear 20, the first plug block 15 is moved into the inside of insertion slot 9 by the second rack 22, thereby the position of mounting block 7 is fixedly limited, the second plug block 21 is moved into the inside of locking groove 8 by the first rack 18, thereby the position of insulating connecting rod 6 is fixedly limited, and the stability effect of lightning rod 5 during installation is enhanced.

[0024] Further, the top of installation base 1 is symmetrically provided with first placing groove 12 used in cooperation with mounting block 7, which can be used in cooperation with mounting block 7, facilitating the installation of lightning rod 5.

[0025] Further, the top of installation base 1 is provided with second placing groove 13 used in cooperation with insulating connecting rod 6, which can be used in cooperation with insulating connecting rod 6, facilitating the installation of lightning rod 5.

[0026] Further, the inner wall of the mounting base 1 is fixedly connected with a limiting rod 16, the first and second insertion blocks 15 and 21 are slidably connected with the limiting rod 16, and the limiting rod 16 can limit the movement of the first and second insertion blocks 15 and 21.

[0027] Further, one end of the connecting shaft 14 is fixedly connected with a second bevel gear 17, the inside of the mounting base 1 is rotatably connected with a transmission shaft 10, the outer side of the transmission shaft 10 is fixedly connected with a first bevel gear 11 matched with the second bevel gear 17, one end of the transmission shaft 10 is fixedly connected with the knob 2, the knob 2 drives the first bevel gear 11 to rotate through the transmission shaft 10, and the first bevel gear 11 drives the connecting shaft 14 to rotate through the second bevel gear 17.

[0028] Further, one side of the mounting base 1 is fixedly connected with a fixed block 3, the inside of the fixed block 3 is slidably connected with a connecting rod 23, one end of the connecting rod 23 is fixedly connected with a sliding block 25 slidably connected with the mounting base 1, the outer side of the connecting rod 23 and located at one side of the sliding block 25 is sleeved with a spring 26, the bottom of the sliding block 25 is fixedly connected with an insertion rod 24, and the inside of the knob 2 is equidistantly provided with a limiting groove 19 matched with the insertion rod 24; the sliding block 25 is driven to move by the connecting rod 23, the sliding block 25 is driven to move back by the spring 26, the sliding block 25 drives the insertion rod 24 to move into the inside of the limiting groove 19, so that the position of the knob 2 is locked, and the transmission shaft 10 is prevented from being reversed.

[0029] In use, when the lightning rod 5 needs to be installed, the insulating connecting rod 6 is placed into the second placing groove 13, the mounting block 7 is placed into the first placing groove 12, the connecting rod 23 is pulled, the connecting rod 23 drives the sliding block 25 to move, the spring 26 is compressed, the sliding block 25 drives the insertion rod 24 to move out of the limiting groove 19, the knob 2 can be rotated, the knob 2 drives the first bevel gear 11 to rotate through the transmission shaft 10, the first bevel gear 11 drives the connecting shaft 14 to rotate through the second bevel gear 17, the connecting shaft 14 drives the transmission gear 20 to rotate, the second and first toothed rods 22 and 18 are driven to move through the rotation of the transmission gear 20, the first insertion block 15 is driven to move into the insertion groove 9 by the second toothed rod 22, the position of the mounting block 7 is limited and fixed, the second insertion block 21 is driven to move into the locking groove 8 by the first toothed rod 18, the position of the insulating connecting rod 6 is limited and fixed, the stability of the lightning rod 5 during installation is enhanced, the connecting rod 23 is loosened, the sliding block 25 is driven to move back by the spring 26 due to the elastic force, the sliding block 25 drives the insertion rod 24 to move into the inside of the limiting groove 19 at the corresponding position, so that the position of the knob 2 is locked, and the transmission shaft 10 is prevented from being reversed, the lightning rod 5 matched with the grounding wire can play a lightning protection effect, and is convenient to use.

[0030] Meanwhile, the contents not described in detail in the present specification are all the prior art known to those skilled in the art.

[0031] It should be noted that, in the present text, relational terms such as first and second and the like can merely be used to distinguish one entity or action from another, and do not necessarily require or imply that any such actual relationship or order exists or is intended between the entities or actions. Moreover, the terms "comprising", "including", or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, the statement "comprising a limited element" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the stated element.

[0032] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. Lightning protection device for electric power transmission lines, comprising a mounting base (1), characterized in that: The inside of mounting base (1) is symmetrically connected with second plug block (21) in sliding mode, one side of second plug block (21) is fixedly connected with first rack (18), the inside of mounting base (1) is symmetrically connected with connecting shaft (14) in rotating mode, the outer side of connecting shaft (14) is fixedly connected with transmission gear (20) used in cooperation with first rack (18), the inside of mounting base (1) is symmetrically connected with first plug block (15) in sliding mode, one side of first plug block (15) is fixedly connected with second rack (22) used in cooperation with transmission gear (20), the top of mounting base (1) is provided with insulating connecting rod (6), the inside of insulating connecting rod (6) is symmetrically provided with locking groove (8) used in cooperation with second plug block (21), the top of insulating connecting rod (6) is fixedly connected with lightning rod (5), the outer side of insulating connecting rod (6) is symmetrically fixedly connected with inclined supporting rod (4), the bottom of inclined supporting rod (4) is fixedly connected with mounting block (7), the inside of mounting block (7) is provided with plug groove (9) used in cooperation with first plug block (15).

2. The lightning protection apparatus for power transmission lines according to claim 1, characterized in that: The top of mounting base (1) is symmetrically provided with first placing groove (12) used in cooperation with mounting block (7).

3. The lightning protection apparatus for power transmission lines of claim 1, wherein: The top of mounting base (1) is provided with second placing groove (13) used in cooperation with insulating connecting rod (6).

4. The transmission line lightning protection device of claim 1, wherein: The inner wall of mounting base (1) is symmetrically fixedly connected with limiting rod (16), first plug block (15) and second plug block (21) are both connected with limiting rod (16) in sliding mode.

5. The transmission line lightning protection device of claim 1, wherein: One end of connecting shaft (14) is fixedly connected with second bevel gear (17), the inside of mounting base (1) is rotatably connected with transmission shaft (10), the outer side of transmission shaft (10) is fixedly connected with first bevel gear (11) used in cooperation with second bevel gear (17), one end of transmission shaft (10) is fixedly connected with knob (2).

6. The lightning protection apparatus for power transmission lines according to claim 5, characterized in that: One side of mounting base (1) is fixedly connected with fixed block (3), the inside of fixed block (3) is connected with connecting rod (23) in sliding mode, one end of connecting rod (23) is fixedly connected with sliding block (25), sliding block (25) is connected with mounting base (1) in sliding mode, the outer side of connecting rod (23) and one side of sliding block (25) are sleeved with spring (26), the bottom of sliding block (25) is fixedly connected with plug rod (24), the inside of knob (2) is equidistantly provided with limiting groove (19) used in cooperation with plug rod (24).

Images