阅读说明：本技术 一种石墨防雷接地装置 (Graphite lightning grounding device ) 是由 孙帮来 于 2021-07-28 设计创作，主要内容包括：本发明公开了一种石墨防雷接地装置,涉及防雷接地装置的技术领域,包括外壳、内下壳、同步固定机构、内上壳、固线机构及盖板,所述内下壳固定于外壳的内侧,所述内下壳中设有安装板,所述安装板的两侧对称设有“L”型的限位板,所述限位板中设有用于对线鼻子限位的限位槽,所述同步固定机构设于内下壳中并位于安装板的后侧,所述内上壳固定于内下壳的顶部且其上设有与限位槽对应的通孔,所述固线机构设有两个并对称设于外壳的前侧内壁上,所述固线机构分别用于固定两根石墨线,所述外壳的前侧设有用于石墨线伸出的通孔,所述盖板固定于外壳的顶部。本发明的整个装置对石墨线和线鼻子的拆装方便,大大提高效率。(The invention discloses a graphite lightning protection grounding device, which relates to the technical field of lightning protection grounding devices and comprises a shell, an inner lower shell, a synchronous fixing mechanism, an inner upper shell, a wire fixing mechanism and a cover plate, wherein the inner lower shell is fixed on the inner side of the shell, a mounting plate is arranged in the inner lower shell, L-shaped limiting plates are symmetrically arranged on two sides of the mounting plate, limiting grooves for limiting wire noses are arranged in the limiting plates, the synchronous fixing mechanism is arranged in the inner lower shell and positioned on the rear side of the mounting plate, the inner upper shell is fixed on the top of the inner lower shell and provided with through holes corresponding to the limiting grooves, the wire fixing mechanism is provided with two through holes which are symmetrically arranged on the inner wall of the front side of the shell, the wire fixing mechanism is respectively used for fixing two graphite wires, the front side of the shell is provided with through holes for extending the graphite wires, and the cover plate is fixed on the top of the shell. The whole device of the invention is convenient to assemble and disassemble the graphite wire and the wire nose, and greatly improves the efficiency.)

1. The utility model provides a graphite lightning grounding device which characterized in that: comprises a shell (1), an inner lower shell (2), a synchronous fixing mechanism (5), an inner upper shell (6), a wire fixing mechanism (7) and a cover plate (8), wherein the inner lower shell (2) is fixed at the inner side of the shell (1), the inner lower shell (2) is provided with a mounting plate (3), two sides of the mounting plate (3) are symmetrically provided with L-shaped limiting plates (4), the limiting plates (4) are provided with limiting grooves (41) for limiting wire noses (9), the synchronous fixing mechanism (5) is arranged in the inner lower shell (2) and is positioned at the rear side of the mounting plate (3), the synchronous fixing mechanism (5) is used for fixing the wire noses (9) in the two limiting grooves (41) simultaneously, the inner upper shell (6) is fixed at the top of the inner lower shell (2) and is provided with through holes corresponding to the limiting grooves (41), the wire fixing mechanism (7) is provided with two wires and is symmetrically arranged on the inner wall of the front side of the shell (1), the wire fixing mechanism (7) is used for fixing two graphite wires (91) respectively, a through hole for extending the graphite wires (91) is formed in the front side of the shell (1), and the cover plate (8) is fixed to the top of the shell (1).

2. The graphite lightning protection grounding device according to claim 1, characterized in that: the synchronous fixing mechanism (5) comprises an installation frame (51), a left screw rod (52), a right screw rod (53), a rotating shaft (54) and a positioning sliding plate (57), the installation frame (51) is fixed on the rear side of the installation frame (3), the left screw rod (52) and the right screw rod (53) are connected to the left side and the right side of the installation frame (51) in a rotating mode, the other ends of the left screw rod (52) and the right screw rod are connected with the inner lower shell (2) in a rotating mode, bevel gear I (521) are installed at one ends, located in the installation frame (51), of the left screw rod (52) and the right screw rod (53), the rotating shaft (54) is connected with the installation frame (51) in a rotating mode, a bevel gear II (541) is installed at one end, located in the installation frame (51), of the bevel gear II (541) and the bevel gear I (521) are meshed with each other, the rotating shaft (54) extends out of the inner lower shell (2) and is fixed with a rotating handle (542), the inner lower shell (2) is provided with a tightening screw (55) for tightening the rotating shaft (54), the mounting plate (3) is symmetrically provided with slide rails (56) at two sides of the mounting frame (51), the left screw rod (52) and the right screw rod (53) are both in threaded connection with L-shaped positioning sliding plates (57), the positioning sliding plates (57) are in sliding connection with the slide rails (56), and one side of each positioning sliding plate (57) facing the wire nose (9) is provided with a positioning column (571) for positioning a through hole in the wire nose (9).

3. The graphite lightning protection grounding device according to claim 1, characterized in that: the wire fixing mechanism (7) comprises a first positioning block (71), a second positioning block (72), a pressing block (73), a threaded rod (74) and a tension spring (75), the first positioning block (71) is fixed on the inner wall of the shell (1), a first arc-shaped groove (711) is formed in the first positioning block (71), the second positioning block (72) is fixed on the inner wall of the shell (1), a second arc-shaped groove (721) is formed in one side, facing the first positioning block (71), of the second positioning block (72), a moving groove (722) communicated with the second arc-shaped groove (721) is formed in the inner wall of the second arc-shaped groove (721), the pressing block (73) is arranged in the moving groove (722), a curved groove (723) communicated with the moving groove (722) is formed in the top of the second positioning block (72), the threaded rod (74) is located in the curved groove (723) and is in threaded connection with the top of the pressing block (73), one end of the tension spring (75) is fixed with the front side of the second positioning block (72), the other end is fixed with the top of the threaded rod (74).

4. The graphite lightning protection grounding device according to claim 1, characterized in that: the outer side of the pressing block (73) is provided with a plurality of pressing teeth (731).

5. The graphite lightning protection grounding device according to claim 2, characterized in that: the bottom of spacing groove (41) is equipped with retaining ring (411), limiting plate (4) are equipped with chimb (42) in the below of spacing groove (41), limiting plate (4) are equipped with locating hole (43) in the inboard of chimb (42).

Technical Field

The invention relates to the technical field of lightning protection grounding devices, in particular to a graphite lightning protection grounding device.

Background

The graphite lightning protection wiring is mainly used for a power transmission line tower and a communication base station iron tower as a grounding device of a system, grounding occupies a very important role in an electric power and communication system, in order to avoid loss caused by lightning stroke, a grounding net is established below a ground plane below the tower, and the grounding resistance is reduced to be below a relevant standard, but because the existing tower grounding adopts steel as a grounding material, the grounding net has a plurality of problems which are difficult to solve, the characteristics of the graphite lightning protection grounding wire can avoid quick corrosion and unstable resistance of a metal grounding material, the wire noses at the ends of two graphite wires are often fixed by bolts and the like in the use process of the existing graphite lightning protection grounding wire, when the fixed wire noses are exposed outside, the bolts and the wire noses can be corroded, the grounding performance of the graphite wires is influenced, although some graphite lightning protection grounding devices can effectively prevent the wire noses from being corroded, but it is complicated in the fixing process of the wire nose and the graphite wire.

Disclosure of Invention

The invention aims to provide a graphite lightning protection grounding device to solve the defects caused in the prior art.

A graphite lightning grounding device comprises a shell, an inner lower shell, a synchronous fixing mechanism, an inner upper shell, a wire fixing mechanism and a cover plate, the inner lower shell is fixed at the inner side of the shell, a mounting plate is arranged in the inner lower shell, L-shaped limiting plates are symmetrically arranged at two sides of the mounting plate, the limiting plate is internally provided with a limiting groove for limiting the wire nose, the synchronous fixing mechanism is arranged in the inner lower shell and is positioned at the rear side of the mounting plate, the synchronous fixing mechanism is used for simultaneously fixing the wire noses in the two limiting grooves, the inner upper shell is fixed at the top of the inner lower shell and is provided with a through hole corresponding to the limiting groove, the two wire fixing mechanisms are symmetrically arranged on the inner wall of the front side of the shell and are respectively used for fixing two graphite wires, the front side of the shell is provided with a through hole for extending a graphite wire, and the cover plate is fixed at the top of the shell.

Preferably, the synchronous fixing mechanism comprises a mounting frame, a left screw rod, a right screw rod, a rotating shaft and a positioning sliding plate, the mounting frame is fixed at the rear side of the mounting frame, the left and right sides of the mounting frame are rotatably connected with the left screw rod and the right screw rod, the other ends of the left screw rod and the right screw rod are rotatably connected with an inner lower shell, bevel gears I are respectively arranged at the ends of the left screw rod and the right screw rod, which are positioned in the mounting frame, the rotating shaft is rotatably connected with the mounting frame, a bevel gear II is arranged at the end of the rotating shaft, which is positioned in the mounting frame, the bevel gear II is engaged with the two bevel gears I, the rotating shaft extends out of the inner lower shell and is fixed with a rotating handle, jacking screws for jacking the rotating shaft are arranged on the inner lower shell, slide rails are symmetrically arranged at the two sides of the mounting frame on the mounting frame, and L-shaped positioning sliding plates are respectively connected with the left screw rod and the right screw rod through threads, the positioning sliding plate is connected with the sliding rail in a sliding mode, and one side, facing the wire nose, of the positioning sliding plate is provided with a positioning column for positioning the through hole in the wire nose.

Preferably, the wire fixing mechanism comprises a first positioning block, a second positioning block, a pressing block, a threaded rod and a tension spring, the first positioning block is fixed on the inner wall of the shell, a first arc-shaped groove is formed in the first positioning block, the second positioning block is fixed on the inner wall of the shell, a second arc-shaped groove is formed in one side, facing the first positioning block, of the second positioning block, a moving groove communicated with the second arc-shaped groove is formed in the inner wall of the second arc-shaped groove, the pressing block is arranged in the moving groove, a curved groove communicated with the moving groove is formed in the top of the second positioning block, the threaded rod is located in the curved groove and is in threaded connection with the top of the pressing block, one end of the tension spring is fixed to the front side of the second positioning block, and the other end of the tension spring is fixed to the top of the threaded rod.

Preferably, a plurality of pressing teeth are arranged on the outer side of the pressing block.

Preferably, the bottom of the limiting groove is provided with a retaining ring, the limiting plate is provided with a convex edge below the limiting groove, and the limiting plate is provided with a positioning hole at the inner side of the convex edge.

The invention has the following advantages:

when the wire nose fixing device is used, two wire noses to be connected are placed in the limiting groove of the limiting plate through the through hole in the inner upper shell and move downwards until the wire noses cannot move again, the jacking screw is unscrewed, the rotating handle on the rotating shaft is rotated, the rotating shaft drives the screw rod to rotate through tooth transmission, the positioning sliding plate moves along the sliding rail, the positioning column, facing one side of the wire nose, of the positioning sliding plate penetrates through the through hole in the wire nose and is finally located in the positioning hole in the side face of the limiting plate, at the moment, the limiting plate just compresses the outer side of the wire nose, and then the jacking screw is screwed down, so that the two wire noses are fixed. Stir the threaded rod of solidus mechanism backward along curved groove, straighten the graphite jig and pass in the hole that curved groove one and curved groove two are constituteed, then pass the through-hole on the shell, stir the threaded rod forward along curved groove after that, the compact heap is also along with removing, because curved groove front side is more nearly for curved groove rear side apart from the position of graphite jig, the compact heap compresses tightly the graphite jig at the removal in-process and under the effect of extension spring gradually, whole device is to the easy dismounting of graphite jig and line nose, efficiency is greatly improved.

Drawings

Fig. 1 is a schematic overall three-dimensional structure of the present invention.

Fig. 2 is a schematic structural view of the inside of the housing of the present invention.

Fig. 3 and 4 are schematic views showing different angles of the inside of the inner lower case according to the present invention.

Fig. 5 and 6 are schematic structural diagrams of the limiting plate of the invention at different angles.

FIG. 7 is a schematic structural diagram of the synchronous fixing mechanism of the present invention.

Fig. 8 is a schematic structural view of the synchronous fixing mechanism of the present invention without a tension spring.

FIG. 9 is a schematic structural diagram of a positioning block II according to the present invention.

Wherein: 1. the device comprises a shell, 2, an inner lower shell, 3, a mounting plate, 4, a limiting plate, 41, a limiting groove, 411, a retainer ring, 42, a convex edge, 43, a positioning hole, 5, a synchronous fixing mechanism, 51, a mounting frame, 52, a left screw rod, 521, a first bevel gear, 53, a right screw rod, 54, a rotating shaft, 541, a second bevel gear, 542, a rotating handle, 55, a jacking screw, 56, a sliding rail, 57, a positioning sliding plate, 571, a positioning column, 6, an inner upper shell, 7, a wire fixing mechanism, 71, a first positioning block, 711, a first arc-shaped groove, 72, a second positioning block, 721, a second arc-shaped groove, 722, a moving groove, 723, a curved groove, 73, a pressing block, 731, a pressing tooth, 74, a threaded rod, 75, a tension spring, 8, a cover plate, 9, a wire nose, 91 and a graphite wire.

Detailed Description

The following detailed description of the embodiments of the present invention will be given in order to provide those skilled in the art with a more complete, accurate and thorough understanding of the inventive concept and technical solutions of the present invention.

As shown in fig. 1-9, the invention provides a graphite lightning-protection grounding device, which comprises an outer shell 1, an inner lower shell 2, a synchronous fixing mechanism 5, an inner upper shell 6, a wire fixing mechanism 7 and a cover plate 8, wherein the inner lower shell 2 is fixed on the inner side of the outer shell 1, a mounting plate 3 is arranged in the inner lower shell 2, L-shaped limiting plates 4 are symmetrically arranged on two sides of the mounting plate 3, limiting grooves 41 for limiting wire noses 9 are arranged in the limiting plates 4, the synchronous fixing mechanism 5 is arranged in the inner lower shell 2 and is positioned on the rear side of the mounting plate 3, the synchronous fixing mechanism 5 is used for simultaneously fixing the wire noses 9 in the two limiting grooves 41, the inner upper shell 6 is fixed on the top of the inner lower shell 2 and is provided with through holes corresponding to the limiting grooves 41, the wire fixing mechanism 7 is provided with two through holes symmetrically arranged on the inner wall of the front side of the outer shell 1, the wire fixing mechanism 7 is used for fixing two graphite wires 91 respectively, the front side of the shell 1 is provided with a through hole for extending the graphite wire 91, and the cover plate 8 is fixed on the top of the shell 1.

In this embodiment, the synchronous fixing mechanism 5 includes an installation frame 51, a left screw rod 52, a right screw rod 53, a rotating shaft 54 and a positioning sliding plate 57, the installation frame 51 is fixed at the rear side of the installation frame 3, the left screw rod 52 and the right screw rod 53 are rotatably connected to the left and right sides of the installation frame 51, the other ends of the left screw rod 52 and the right screw rod are rotatably connected to the inner lower shell 2, bevel gears 521 are respectively installed at one ends of the left screw rod 52 and the right screw rod 53 located in the installation frame 51, the rotating shaft 54 is rotatably connected to the installation frame 51, a bevel gear 541 is installed at one end of the rotating shaft 54 located in the installation frame 51, the bevel gear 541 and the two bevel gears 521 are respectively engaged with each other, the rotating shaft 54 extends out of the inner lower shell 2 and is fixed with a rotating handle 542, a tightening screw 55 for tightening the rotating shaft 54 is installed on the inner lower shell 2, sliding rails 56 are symmetrically installed on two sides of the installation frame 51 of the installation frame 3, the left screw rod 52 and the right screw rod 53 are both in threaded connection with an L-shaped positioning sliding plate 57, the positioning sliding plate 57 is in sliding connection with a sliding rail 56, a positioning column 571 for positioning a through hole in the wire nose 9 is arranged on one side of the positioning sliding plate 57 facing the wire nose 9, and the positioning sliding plate 57 on the positioning sliding plate can move simultaneously through the left screw rod 52 and the right screw rod 53 to fix or release the wire nose 9.

In this embodiment, the wire fixing mechanism 7 includes a first positioning block 71, a second positioning block 72, a pressing block 73, a threaded rod 74 and a tension spring 75, the first positioning block 71 is fixed on the inner wall of the housing 1, a first arc-shaped groove 711 is formed in the first positioning block 71, the second positioning block 72 is fixed on the inner wall of the housing 1, a second arc-shaped groove 721 is formed in one side, facing the first positioning block 71, of the second positioning block 72, a moving groove 722 communicated with the second arc-shaped groove 721 is formed in the inner wall of the second arc-shaped groove 721, the pressing block 73 is arranged in the moving groove 722, a curved groove 723 communicated with the moving groove 722 is formed in the top of the second positioning block 72, the threaded rod 74 is located in the curved groove 723 and is in threaded connection with the top of the pressing block 73, one end of the tension spring 75 is fixed to the front side of the second positioning block 72, the other end of the tension spring 75 is fixed to the top of the threaded rod 74, and the graphite wire 91 is limited by the tension spring 75, the operation process is very convenient.

In this embodiment, the pressing teeth 731 are provided on the outer side of the pressing block 73, which is beneficial to increase the friction force with the graphite wire 91 and prevent the graphite wire 91 from moving.

In this embodiment, the bottom of the limiting groove 41 is provided with a retaining ring 411, the limiting plate 4 is provided with a convex edge 42 below the limiting groove 41, and the limiting plate 4 is provided with a positioning hole 43 on the inner side of the convex edge 42.

The specific implementation mode and principle are as follows:

step 1: the screws on the cover plate 8 are removed and the cover plate 8 and the housing 1 are opened.

Step 2: two wire noses 9 to be connected are placed in the limiting groove 41 of the limiting plate 4 through the through holes in the inner upper shell 6 and move downwards until the wire noses cannot move again.

And step 3: the jacking screw 55 is loosened, the rotating handle 542 on the rotating shaft 54 is rotated, the rotating shaft 54 drives the left screw rod 52 and the right screw rod 53 to rotate through tooth transmission, the positioning sliding plates 57 on the two sides of the mounting frame 51 move oppositely along the sliding rails 56, the positioning columns 571, facing the wire noses 9, of the positioning sliding plates 57 penetrate through holes in the wire noses 9 and are finally located in the positioning holes 43 in the side faces of the limiting plates 4, at the moment, the limiting plates 4 just press the outer sides of the wire noses 8, and then the jacking screw 55 is tightened, so that the fixing of the two wire noses 9 is completed.

And 4, step 4: the threaded rod 74 of the wire fixing mechanism 7 is pulled backwards along the curved groove 723, the graphite wire 91 is pulled straight and penetrates through the hole formed by the first arc groove 711 and the second arc groove 721, then the threaded rod 74 is pulled forwards along the curved groove 723, the pressing block 73 moves along with the graphite wire, and the pressing block 73 gradually presses the graphite wire 91 in the moving process under the action of the tension spring 75 as the front side of the curved groove 723 is closer to the graphite wire 91 than the rear side of the curved groove 723.

And 5: after the two graphite wires 91 are fixed, the cover plate 8 and the shell 1 are fixed through screws.

The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution of the invention, or to apply the inventive concept and solution directly to other applications without modification.