CN215645054U - Vertical grounding device of transmission tower - Google Patents
Vertical grounding device of transmission tower Download PDFInfo
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- CN215645054U CN215645054U CN202121149292.7U CN202121149292U CN215645054U CN 215645054 U CN215645054 U CN 215645054U CN 202121149292 U CN202121149292 U CN 202121149292U CN 215645054 U CN215645054 U CN 215645054U
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Abstract
The utility model provides a vertical grounding device of a transmission tower, and belongs to the technical field of power systems. The vertical grounding device of the transmission tower comprises a foundation component and a grounding component. The foundation assembly comprises tower legs and a tower body, and four corners of the bottom of the tower body are fixedly connected with the tops of the tower legs respectively. The grounding assembly comprises a sleeve, a torsion spring, a limiting plate, a pressing plate, a rotating piece, a vertical grounding electrode, a grounding net and a grounding down lead, wherein a groove is formed in the inner wall of the sleeve, the top of the limiting plate is hinged to the top of the groove through the torsion spring, the vertical grounding electrode is arranged in the sleeve in a sliding mode, the four corners of the grounding net are respectively fixedly connected with the top of the vertical grounding electrode, and the four corners of the grounding net are respectively fixedly connected with the four corners of the bottom of the tower body through the four grounding down lead. When the vertical grounding device of the transmission tower is installed, the surface of a vertical grounding electrode can be prevented from being damaged, and the resistance reducing effect of the vertical grounding device is ensured.
Description
Technical Field
The utility model relates to the technical field of power systems, in particular to a vertical grounding device of a transmission tower.
Background
The grounding system of the transmission line tower is of great importance to the lightning protection of the line, and the good tower grounding device can smoothly introduce lightning current into the ground when the line is struck by lightning. The reduction of the grounding resistance of the tower grounding device is one of the main measures for improving the lightning-resistant level of the line and reducing the lightning trip-out rate of the line.
At present, when the vertical grounding device of the existing transmission tower is installed, a vertical grounding electrode generally slides into a pre-buried hole directly, and in the process, the bottom end and the side surface of the vertical grounding electrode are easily scratched by hard stones in the hole, so that the resistance reducing effect is influenced.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects, the utility model provides a vertical grounding device of a transmission tower, and aims to solve the problem that when the conventional vertical grounding device of the transmission tower is installed, the bottom end and the side surface of a vertical grounding electrode are easily scratched by hard stones in a hole, so that the resistance reduction effect is influenced.
The utility model is realized by the following steps:
the utility model provides a vertical grounding device of a transmission tower, which comprises a foundation component and a grounding component.
The foundation assembly comprises tower legs and a tower body, and four corners of the bottom of the tower body are fixedly connected with the tops of the tower legs respectively.
The grounding assembly comprises a sleeve, a torsion spring, a limiting plate, a pressing plate, a rotating part, a vertical grounding electrode, a grounding net and a grounding downlead, wherein a groove is formed in the inner wall of the sleeve, the top of the limiting plate is connected with the torsion spring in a hinged mode, the pressing plate is in threaded connection with the inside of the sleeve, the bottom of the rotating part is fixedly connected with the upper surface of the pressing plate, the vertical grounding electrode is arranged in the sleeve in a sliding mode, the four corners of the grounding net are fixedly connected with the top of the vertical grounding electrode respectively, and the four corners of the grounding net are fixedly connected with the four corners of the bottom of the tower body respectively.
In an embodiment of the utility model, the sleeve comprises a barrel and a handpiece, the handpiece being disposed at a top end of the barrel.
In an embodiment of the utility model, the hand-held piece comprises handles and a first anti-slip sleeve, the two handles are symmetrically fixed at the top end of the barrel body, and the first anti-slip sleeve is sleeved on the handles.
In the embodiment of the utility model, the limiting plate comprises a limiting plate body and a first cushion pad, the top of the limiting plate body is hinged with the top of the groove through the torsion spring, and the first cushion pad is fixed on one side of the limiting plate body.
In the embodiment of the utility model, the grooves are symmetrically arranged on the inner wall of the cylinder body at equal intervals, and the number of the limiting plate bodies is the same as that of the grooves.
In an embodiment of the utility model, the pressure plate comprises a pressure plate body and a second buffer cushion, the side part of the pressure plate body is in threaded connection with the inner wall of the cylinder body, and the second buffer cushion is fixed on the lower surface of the pressure plate body.
In the embodiment of the utility model, the rotating part comprises a hand wheel and a fixed rod, and the middle part of the hand wheel is fixedly connected with the middle part of the upper surface of the pressing plate body through the fixed rod.
In an embodiment of the present invention, the rotating member further includes a second anti-slip sleeve, and the second anti-slip sleeve is sleeved on the hand wheel.
In the embodiment of the utility model, the vertical grounding electrode is made by wrapping a resistance reducing agent layer outside the flat steel.
In the embodiment of the utility model, the grounding grid is square, and the grounding grid is formed by welding the head and the tail of four copper-plated round steel bars.
The utility model has the beneficial effects that: according to the vertical grounding device of the transmission tower, which is obtained through the design, during installation, the sleeve is plugged into the pre-buried hole, the vertical grounding electrode slides into the sleeve, the limiting plate is used for buffering and limiting the vertical grounding electrode, then the pressing plate is screwed into the sleeve, the rotating piece is rotated to drive the pressing plate to rotate, so that the pressing plate descends in the sleeve and further moves to push the vertical grounding electrode to move downwards, when the bottom end of the vertical grounding electrode reaches the bottom of the pre-buried hole, the sleeve is lifted upwards to be separated from the pre-buried hole, then the bottoms of four corners of the grounding grid are respectively welded and fixed with the top ends of the four vertical grounding electrodes, and then two ends of the grounding down lead are respectively welded with the top of the grounding grid and the bottom end of the tower body. When the vertical grounding device of the transmission tower is installed, the surface of a vertical grounding electrode can be prevented from being damaged, and the resistance reducing effect of the vertical grounding device is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a transmission tower vertical grounding device provided by an embodiment of the utility model;
fig. 2 is a schematic view of a connection structure between a base assembly and a grounding assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a grounding assembly according to an embodiment of the present invention;
fig. 4 is an enlarged schematic structural diagram at a in fig. 3 according to an embodiment of the present invention.
In the figure: 100-a base component; 110-tower legs; 120-a tower body; 200-a ground component; 210-a sleeve; 211-cylinder; 212-a handpiece; 2121-a handle; 2122-a first anti-slip cover; 220-torsion spring; 230-a limiting plate; 231-a limiting plate body; 232-a first cushion; 240-pressing plate; 241-a platen body; 242-a second cushion; 250-a rotating member; 251-a hand wheel; 252-a fixation bar; 253-a second anti-slip sleeve; 260-vertical ground; 270-ground net; 280-ground down conductor; 290-grooves.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: a vertical grounding device of a transmission tower comprises a foundation assembly 100 and a grounding assembly 200, wherein the grounding assembly 200 is buried underground, and the foundation assembly 100 is grounded and used for ensuring the safety of electric devices and people when an electric power system runs and fails.
Referring to fig. 2, the base assembly 100 includes tower legs 110 and a tower body 120, and four corners of the bottom of the tower body 120 are respectively fixedly connected to the tops of the four tower legs 110.
Referring to fig. 2-4, the grounding assembly 200 includes a sleeve 210, a torsion spring 220, a limiting plate 230, a pressing plate 240, a rotating member 250, a vertical grounding electrode 260, a grounding grid 270, and a grounding down lead 280, the sleeve 210 includes a barrel 211 and a hand-held member 212, the hand-held member 212 is disposed at the top end of the barrel 211 to facilitate insertion and extraction of the barrel 211, the hand-held member 212 includes a handle 2121 and a first anti-slip cover 2122, the first anti-slip cover 2122 is a rubber cover, the two handles 2121 are symmetrically fixed at the top end of the barrel 211, the first anti-slip cover 2122 is sleeved on the handle 2121 to increase the gripping friction force, a groove 290 is disposed on the inner wall of the sleeve 210, the top of the limiting plate 230 is hinged to the top of the groove 290 through the torsion spring 220, the limiting plate 230 includes a limiting plate body 231 and a first cushion 232, the first cushion 232 is an elastic rubber pad, the top of the limiting plate body 231 is hinged to the top of the groove 290 through the torsion spring 220, the grooves 290 are symmetrically disposed on the inner wall of the barrel 211 at equal intervals, the quantity of limiting plate body 231 is the same with recess 290 quantity, and limiting plate body 231 is the tilt state when not receiving external force extrusion, plays the cushioning effect of perpendicular earthing pole 260 whereabouts in-process, prevents that the whereabouts speed leads to perpendicular earthing pole 260 bottom impaired too fast, in with perpendicular earthing pole 260 contact in-process, then can rotate gradually and get into recess 290 in, first blotter 232 is fixed in limiting plate body 231 one side, makes limiting plate body 231 and perpendicular earthing pole 260 bottom flexonics.
The pressing plate 240 is in threaded connection with the sleeve 210, the pressing plate 240 comprises a pressing plate body 241 and a second cushion 242, the second cushion 242 is an elastic rubber pad, the side portion of the pressing plate body 241 is in threaded connection with the inner wall of the cylinder body 211, the second cushion 242 is fixed on the lower surface of the pressing plate body 241, the lower surface of the pressing plate body 241 is in flexible contact with the top portion of the vertical grounding electrode 260, the bottom portion of the rotating piece 250 is fixedly connected with the upper surface of the pressing plate 240, the rotating piece 250 comprises a hand wheel 251 and a fixing rod 252, the middle portion of the hand wheel 251 is fixedly connected with the middle portion of the upper surface of the pressing plate body 241 through the fixing rod 252, the rotating hand wheel 251 drives the pressing plate body 241 to rotate through the fixing rod 252, the rotating piece 250 further comprises a second anti-slip sleeve 253, the second anti-slip sleeve 253 is a rubber sleeve, the second anti-slip sleeve 253 is sleeved on the hand wheel 251, the gripping friction force is increased, the hand wheel 251 is convenient to rotate, the vertical grounding electrode 260 is arranged in the sleeve 210 in a sliding manner, the outer layer of the flat steel coated with the resistance reducing agent, increase perpendicular earthing pole 260 diameter, strengthened and fallen and hinder the effect, rotate rotating member 250 and drive clamp plate body 241 and rotate for clamp plate body 241 descends in barrel 211, and then drives perpendicular earthing pole 260 downstream, plays the effect of supplementary perpendicular earthing pole 260 whereabouts, earthing net 270 four corners bottom respectively with four perpendicular earthing pole 260 top fixed connection, earthing net 270 sets up to the square, and earthing net 270 adopts four copper-plated round steel head and the tail to weld and forms, and earthing net 270 four corners top is respectively through four ground connection downleads 280 and tower body 120 bottom four corners fixed connection.
Specifically, the working principle of the vertical grounding device of the transmission tower is as follows: during installation, the cylinder body 211 is plugged into the pre-buried holes, the vertical grounding electrode 260 slides into the cylinder body 211, the vertical grounding electrode 260 is buffered and limited through the limiting plate 230, then the pressing plate body 241 is screwed into the cylinder body 211, the rotating hand wheel 251 drives the pressing plate body 241 to rotate through the fixing rod 252, so that the pressing plate body 241 descends in the cylinder body 211 and further moves to push the vertical grounding electrode 260 to move downwards, when the bottom end of the vertical grounding electrode 260 reaches the bottom of the pre-buried holes, the handle 2121 at the top end of the cylinder body 211 is tightly held, the cylinder body 211 is lifted upwards to be separated from the pre-buried holes, the bottoms of four corners of the grounding grid 270 are respectively welded and fixed with the tops of the four vertical grounding electrodes 260, and then the two ends of the grounding lead-down line 280 are respectively welded with the top of the grounding grid 270 and the bottom end of the tower body 120.
It should be noted that the specific model specifications of the vertical grounding electrode 260, the grounding grid 270, and the grounding down lead 280 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.
The power supply and the principle of the vertical ground 260, the ground grid 270 and the down conductor 280 will be clear to the skilled person and will not be described in detail here.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A vertical grounding device of a transmission tower is characterized by comprising
The tower comprises a base assembly (100), wherein the base assembly (100) comprises tower legs (110) and a tower body (120), and four corners of the bottom of the tower body (120) are fixedly connected with the tops of the four tower legs (110) respectively;
a grounding assembly (200), wherein the grounding assembly (200) comprises a sleeve (210), a torsion spring (220), a limiting plate (230), a pressing plate (240), a rotating piece (250), a vertical grounding electrode (260), a grounding net (270) and a grounding down lead (280), a groove (290) is formed in the inner wall of the sleeve (210), the top of the limiting plate (230) is hinged with the top of the groove (290) through the torsion spring (220), the pressure plate (240) is in threaded connection with the sleeve (210), the bottom of the rotating piece (250) is fixedly connected with the upper surface of the pressure plate (240), the vertical grounding electrodes (260) are arranged in the sleeve (210) in a sliding manner, the bottoms of four corners of the grounding grid (270) are respectively fixedly connected with the tops of the four vertical grounding electrodes (260), the tops of four corners of the grounding grid (270) are fixedly connected with the four corners of the bottom of the tower body (120) through the four grounding down leads (280).
2. The tower vertical grounding device of claim 1, wherein the sleeve (210) comprises a cylindrical body (211) and a hand piece (212), and the hand piece (212) is arranged at the top end of the cylindrical body (211).
3. The vertical grounding device for transmission towers according to claim 2, wherein the hand-held piece (212) comprises a handle (2121) and a first anti-slip sleeve (2122), the two handles (2121) are symmetrically fixed at the top end of the barrel body (211), and the first anti-slip sleeve (2122) is sleeved on the handle (2121).
4. The transmission tower vertical grounding device of claim 2, wherein the limiting plate (230) comprises a limiting plate body (231) and a first cushion (232), the top of the limiting plate body (231) is hinged to the top of the groove (290) through the torsion spring (220), and the first cushion (232) is fixed on one side of the limiting plate body (231).
5. The transmission tower vertical grounding device according to claim 4, wherein the grooves (290) are symmetrically arranged on the inner wall of the cylinder body (211) at equal intervals, and the number of the limiting plate bodies (231) is the same as that of the grooves (290).
6. The vertical grounding device for transmission towers according to claim 2, wherein the pressure plate (240) comprises a pressure plate body (241) and a second buffer cushion (242), the side of the pressure plate body (241) is in threaded connection with the inner wall of the cylinder body (211), and the second buffer cushion (242) is fixed on the lower surface of the pressure plate body (241).
7. The transmission tower vertical grounding device as claimed in claim 6, wherein the rotating member (250) comprises a hand wheel (251) and a fixing rod (252), and the middle part of the hand wheel (251) is fixedly connected with the middle part of the upper surface of the pressure plate body (241) through the fixing rod (252).
8. The tower vertical grounding device of claim 7, wherein the rotating member (250) further comprises a second anti-slip sleeve (253), and the second anti-slip sleeve (253) is sleeved on the hand wheel (251).
9. The transmission tower vertical grounding device of claim 1, wherein the vertical grounding electrode (260) is made of a friction reducer layer wrapped outside a flat steel.
10. The transmission tower vertical grounding device of claim 1, wherein the grounding grid (270) is square, and the grounding grid (270) is formed by welding four copper-plated round steel heads and tails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121149292.7U CN215645054U (en) | 2021-05-26 | 2021-05-26 | Vertical grounding device of transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121149292.7U CN215645054U (en) | 2021-05-26 | 2021-05-26 | Vertical grounding device of transmission tower |
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| Publication Number | Publication Date |
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| CN215645054U true CN215645054U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121149292.7U Active CN215645054U (en) | 2021-05-26 | 2021-05-26 | Vertical grounding device of transmission tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116111373A (en) * | 2023-02-23 | 2023-05-12 | 江苏德瑞赛尔电气有限公司 | Power distribution system grounding device |
-
2021
- 2021-05-26 CN CN202121149292.7U patent/CN215645054U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116111373A (en) * | 2023-02-23 | 2023-05-12 | 江苏德瑞赛尔电气有限公司 | Power distribution system grounding device |
| CN116111373B (en) * | 2023-02-23 | 2023-10-03 | 江苏德瑞赛尔电气有限公司 | Power distribution system grounding device |
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