CN214124147U - Copper-plated steel grounding rod with firm structure - Google Patents
Copper-plated steel grounding rod with firm structure Download PDFInfo
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- CN214124147U CN214124147U CN202120257499.XU CN202120257499U CN214124147U CN 214124147 U CN214124147 U CN 214124147U CN 202120257499 U CN202120257499 U CN 202120257499U CN 214124147 U CN214124147 U CN 214124147U
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Abstract
The utility model discloses a copper-plated steel grounding rod with a firm structure, which belongs to the technical field of electric grounding devices, and comprises a driving head, a grounding rod body and a drill bit from top to bottom in sequence, wherein the driving head and the grounding rod body are connected together through a connector thread, and the grounding rod body and the drill bit are connected together through a thread; a connecting rod is arranged below the driving head, a boss and a groove are respectively arranged on the lower end face of the connecting rod, the upper end face and the lower end face of the grounding rod body and the bottom face of the drill bit groove, and all parts of the copper-plated steel grounding rod can be connected with each other through the boss and the groove besides threaded connection, so that displacement is not easy to occur in the use process, and the connection structure is firmer; meanwhile, the polytetrafluoroethylene coating gaskets are sleeved on the connector and the drill bit, so that moisture and acid-base substances in a soil layer can be prevented from entering the interior of a cylindrical structure of the connector, the corrosion resistance of a threaded connection area of the copper-plated steel grounding rod is improved, and the service life of the copper-plated steel grounding rod can be prolonged.
Description
Technical Field
The utility model belongs to the technical field of electric power earthing device, concretely relates to copper-plated steel earth bar of sound construction.
Background
In the field of power grid equipment, in order to improve the electrical safety performance, a copper-plated steel grounding rod is generally adopted as grounding equipment, and the copper-plated steel grounding rod is plated with copper on the surface of steel, so that the copper-plated steel grounding rod saves copper materials and cost compared with a pure copper rod, has the same conductivity and contains the hardness of copper. The copper-plated grounding rod is mainly used for lightning protection grounding, the resistance can be reduced, and when the lightning rod on the top of a building is struck by lightning, the current can be quickly released, so that the lightning protection effect is achieved. High-quality Q235 low-carbon steel is adopted, and the high-strength low-carbon steel is subjected to large diameter shrinkage cold drawing processing, so that the tensile strength is enhanced, the toughness is maintained, the copper layer of the product is firm, the corrosion resistance is high, the copper layer which is bent by 180 degrees does not crack or peel, and the resistance reduction effect is obvious.
Traditional copper-plated steel earth bar only connects earth bar body and drive head and drill bit as an organic whole through threaded connection, utilizes the contact of each other between the metal to realize electrically conductive and lightning protection, and single threaded connection mode can not ensure that copper-plated steel earth bar has firm structure to the threaded connection region easily receives moisture in the soil layer, and the corruption of acid-base material, thereby easily causes copper-plated steel earth bar's corrosion resisting property lower, influences its performance and life.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem who wants to solve is: the copper-plated steel grounding rod in the prior art has the technical problems of being not firm enough in structure, low in corrosion resistance and the like.
In order to solve the problems, the utility model discloses a copper-plated steel grounding rod with a firm structure, which comprises a driving head, a grounding rod body and a drill bit from top to bottom in sequence, wherein the driving head and the grounding rod body are connected together through a connector thread, and the grounding rod body and the drill bit are connected together through a thread; the driving head comprises a connecting rod which is arranged below the driving head and integrally formed with the driving head, the connector is of a cylindrical structure provided with internal threads, external threads are arranged on the connecting rod and the grounding rod body, the external threads on the connecting rod and the grounding rod body are matched with the internal threads on the connector, and the connecting rod and the grounding rod body are respectively inserted into the cylindrical structure of the connector and are in threaded connection; the upper part of the drill bit is provided with a drill bit groove, the inner side surface of the drill bit groove is provided with internal threads, the internal threads on the drill bit are matched with the external threads on the grounding rod body, and the lower part of the grounding rod body is inserted into the drill bit groove and is connected together by threads; polytetrafluoroethylene coating gaskets are sleeved on the upper edge and the lower edge of the cylindrical structure of the connector and the upper edge of the drill groove; the outer diameter of the grounding rod body, the outer diameter of the connecting rod, the inner diameter of the connector cylinder structure and the inner diameter of the drill bit groove are the same.
In order to reduce the cost, the external threads can be only arranged on the upper part and the lower part of the grounding rod body, and the middle part is of a polished rod structure.
Furthermore, the ground rod body is a plurality of, and top-down is 1 st ground rod body, 2 nd ground rod body in proper order the k ground rod body, and wherein k ≧ 2, a plurality of ground rod body link together through the connector.
Furthermore, the grounding rod body is divided into a head part and a tail part, a plurality of grounding rod bodies are connected together through connector heads and tails, the head part of the 1 st grounding rod body is connected with the connecting rod, and the tail part of the last grounding rod body is connected with the drill bit.
Furthermore, the lower end face of the connecting rod, the head end face of the grounding rod body, the tail end face of the grounding rod body and the bottom face of the drill bit groove are flat planes.
Furthermore, a rod boss is integrally formed on the end face of the head of the grounding rod, a rod groove is formed on the end face of the tail of the grounding rod, and the inner diameter of the rod groove is the same as the outer diameter of the rod boss.
Further, the depth of the bar body groove is the same as the height of the bar body boss.
Furthermore, a connecting rod groove is arranged on the lower end face of the connecting rod, and the inner diameter of the connecting rod groove is the same as the outer diameter of the rod body boss.
Further, the depth of the connecting rod groove is the same as the height of the rod body boss.
Furthermore, a drill boss is integrally formed on the bottom surface of the drill groove, and the inner diameter of the rod body groove is the same as the outer diameter of the drill boss.
Further, the depth of the rod body groove is the same as the height of the drill bit boss.
The utility model discloses an assembly process of copper-plated steel earth bar includes following step:
(1) inserting the connecting rod into the upper part of the cylindrical structure of the connector and screwing the threads;
(2) according to the depth of the grounding depth, selecting a proper number of grounding rod bodies, respectively inserting the grounding rod bodies into the upper part and the lower part of the cylindrical structure of the connector and screwing threads tightly, so that the rod body boss on the upper end surface of the 1 st grounding rod body completely falls into the connecting rod groove on the lower end surface of the connecting rod, and in the adjacent grounding rod bodies, the rod body boss on each grounding rod body completely falls into the rod body groove on the next grounding rod body;
(3) inserting the last grounding rod body into a drill bit groove of a drill bit, and screwing the threads to enable the rod body groove on the lower end face of the last grounding rod body to completely fall into a drill bit boss in the drill bit groove; and then the assembly process of the copper-plated steel grounding rod is completed.
Through the assembling process, the connection between the connecting rod and the 1 st grounding rod body, between the plurality of grounding rod bodies and between the last grounding rod body and the drill bit can be ensured to be connected through the lug bosses and the groove structures; so can be with between each part of copper facing steel earth bar, both through threaded connection and through boss and groove structure connection as an organic whole, the structure is more firm, the skew of more difficult emergence position in the use, consequently the stability performance in the use is better.
In addition, since the copper-plated steel ground rod needs to be buried underground during use, acid-base substances and moisture in an underground soil layer inevitably corrode the copper-plated steel ground rod, and therefore, the corrosion resistance of the copper-plated steel ground rod needs to be improved. The drum structure upper portion border and the lower part border of connector, and the upper portion border of drill bit recess all overlaps and is equipped with polytetrafluoroethylene cladding gasket, polytetrafluoroethylene cladding gasket has good sealing performance and acid and alkali corrosion resistance, it can be with between connecting rod and the 1 st earth bar barred body to set up polytetrafluoroethylene cladding gasket, between a plurality of earth bar barred bodies, and the position of being connected between last earth bar barred body and the drill bit is sealed up, so can prevent moisture and acid and alkali material in the soil layer to get into inside the copper-plated steel earth bar through connecting the position, and then improve its corrosion resisting property, and long service life.
Compared with the prior product, the utility model discloses a copper-plated steel earth bar of sound construction has following advantage:
(1) through terminal surface, the up end of earth bar barred body and terminal surface down under the connecting rod to and set up boss and recess on the bottom surface of drill bit recess respectively, except threaded connection, still through boss and groove connection, be difficult for taking place the displacement in the use between each spare part of copper-plated steel earth bar, consequently connection structure is more firm.
(2) All the upper portion border and the lower part border through the drum structure at the connector and the upper portion border of drill bit recess are equipped with polytetrafluoroethylene cladding gasket, utilize the leakproofness and the corrosion resisting property of polytetrafluoroethylene cladding gasket, can prevent moisture in the soil layer and acid-base material to get into inside the drum structure of connector, improve the corrosion resisting property in copper-plated steel earth bar threaded connection region, can prolong its life.
(3) The copper-plated steel grounding rod has a simple structure and is convenient to assemble, so that the copper-plated steel grounding rod is suitable for large-scale popularization and application.
Drawings
FIG. 1: the copper-plated steel grounding rod has an overall structure schematic diagram.
FIG. 2: the structure schematic diagram of the driving head and the connecting rod.
FIG. 3: the structure schematic diagram of the earth bar body.
FIG. 4: the cross-sectional structure of the connector is schematically represented by a polytetrafluoroethylene-coated gasket.
FIG. 5: the cross-sectional structure of the drill bit is schematically shown.
Description of reference numerals: 1-a drive head; 11-a connecting rod; 2-a connector; 3-a ground rod body; 4-a drill bit; 111-connecting rod groove; 21-polytetrafluoroethylene coated gaskets; 22-connector side wall; 31-a rod boss; 32-a rod body groove; 41-drill groove; 42-bit boss.
Detailed Description
The technical solution of the present invention will be explained in detail by the following embodiments.
Example 1
As shown in figures 1-4, the overall and partial connection structure diagrams of the copper-plated steel grounding rod with a firm structure are respectively given.
As shown in fig. 1, the copper-plated steel ground rod comprises a driving head 1, a ground rod body 3 and a drill bit 4; the driving head 1 and the grounding rod body 3 are connected together through a connector 2 in a threaded manner, and the grounding rod body 3 and the drill bit 4 are connected together through a threaded manner; the driving head 1 comprises a connecting rod 11 which is arranged below the driving head 1 and is integrally formed with the driving head 1, the connector 2 is of a cylindrical structure provided with internal threads, external threads are arranged on the connecting rod 2 and the grounding rod body 3, the external threads on the connecting rod 11 and the grounding rod body 3 are matched with the internal threads on the connector 11, and the connecting rod 11 and the grounding rod body 3 are respectively inserted into the cylindrical structure of the connector 2 and are in threaded connection; the upper part of the drill bit 4 is provided with a drill bit groove 41, the inner side surface of the drill bit groove 41 is provided with internal threads, the internal threads on the drill bit 4 are matched with the external threads on the earth rod body 3, and the lower part of the earth rod body 3 is inserted into the drill bit groove 41 and is connected together by threads;
The outer diameter of the earth rod body 3, the outer diameter of the connecting rod 11, the inner diameter of the cylindrical structure of the connector 2, and the inner diameter of the bit groove 41 are the same.
In order to reduce the cost, the external threads can be arranged on the upper part and the lower part of the grounding rod body 3, and the middle part is of a polished rod structure, as shown in fig. 3.
According to the practical application scene, the number of the grounding rod bodies 3 can be increased, and when the grounding depth is needed to be deeper, the number of the grounding rod bodies 3 is increased; when the grounding depth is required to be shallow, the number of the grounding rod bodies 3 is set to be a little less. The top-down be 1 st ground rod body, 2 nd ground rod body in proper order.
Specifically, the ground rod body 3 is divided into a head part and a tail part, the plurality of ground rod bodies 3 are connected together end to end through the connector 2, the head part of the 1 st ground rod body is connected with the connecting rod 11, and the tail part of the last ground rod body is connected with the drill bit 4.
In order to improve the conductive connection performance among the connecting rod 11, the grounding rod body 3 and the drill 4 and reduce the resistance value, a rod body boss 31 is integrally formed on the end surface of the head part of the grounding rod body 3, a rod body groove 32 is formed on the end surface of the tail part of the grounding rod body 3, and the inner diameter b of the rod body groove 32 is the same as the outer diameter a of the rod body boss 31; the depth n of the bar groove 32 is the same as the height m of the bar boss 31.
Meanwhile, a connecting rod groove 111 is arranged on the lower end surface of the connecting rod 11, and the inner diameter c of the connecting rod groove 111 is the same as the outer diameter a of the rod boss 31; the depth x of the connecting rod groove 111 is the same as the height m of the rod body boss 31.
In addition, a bit boss 42 is integrally formed on the bottom surface of the bit recess 41, and the inner diameter b of the rod body recess 32 is the same as the outer diameter d of the bit boss 42; the depth n of the shank recess 32 is the same as the height y of the bit boss 42.
In this embodiment 1, between the connecting rod 11, the ground rod body 3 and the drill 4, the connection is formed by the respective grooves and projections,
the assembly process of the copper-plated steel grounding rod in the embodiment 1 is as follows:
(1) inserting the connecting rod 11 into the upper part of the cylindrical structure of the connector 2 and screwing the thread;
(2) according to the depth of the grounding depth, selecting a proper number of grounding rod bodies 3, respectively inserting the grounding rod bodies 3 into the upper part and the lower part of the cylindrical structure of the connector 2 and screwing threads tightly, so that the rod body boss 31 on the upper end surface of the 1 st grounding rod body 3 completely falls into the connecting rod groove 111 on the lower end surface of the connecting rod 11, and in the adjacent grounding rod bodies 3, the rod body boss 31 on each grounding rod body 3 completely falls into the rod body groove 32 on the next grounding rod body 3;
(3) the last earth rod body 3 is inserted into the drill head groove 41 of the drill head 4, and the thread is tightened, so that the rod body groove 32 on the lower end face of the last earth rod body completely falls into the drill head boss 42 in the drill head groove 41; and then the assembly process of the copper-plated steel grounding rod is completed.
In this embodiment 1, through the above assembly process, it can be ensured that the connection rod 11 and the 1 st ground rod 3, the plurality of ground rod 3, and the last ground rod 3 and the drill 4 are connected through the boss and groove structure; so can be with between each part of copper facing steel earth bar, both through threaded connection and through boss and groove structure connection as an organic whole, the structure is more firm, the skew of more difficult emergence position in the use, consequently the stability performance in the use is better.
In addition, since the copper-plated steel ground rod needs to be buried underground during use, acid-base substances and moisture in an underground soil layer inevitably corrode the copper-plated steel ground rod, and therefore, the corrosion resistance of the copper-plated steel ground rod needs to be improved. In this embodiment 1 at connector 2's drum structure upper portion border and lower part border, and the upper portion border of drill bit recess 41 all overlaps and is equipped with polytetrafluoroethylene cladding gasket 21, polytetrafluoroethylene cladding gasket 21 has good sealing performance and acid and alkali corrosion resistance, it can be with between connecting rod 11 and the 1 st earth bar barred body 3 to set up polytetrafluoroethylene cladding gasket 21, between a plurality of earth bar barred bodies 3, and the connection position between last earth bar barred body 3 and the drill bit 4 is sealed up, so can prevent moisture and acid and alkali material in the soil layer to get into inside the copper-plated steel earth bar through connecting the position, and then improve its corrosion resisting property, increase of service life.
Example 2
The structure of the copper-plated steel ground rod in this embodiment 2 is the same as that of the embodiment 1 as a whole, and the difference is only that in this embodiment 2, the lower end surface of the connecting rod 11, the head end surface of the ground rod 3, the tail end surface of the ground rod 3, and the bottom surface of the bit groove 41 are flat planes, that is, the connecting rod 11, the ground rod 3, and the bit 4 are connected together through the flat planes, so as to achieve the conductive function.
In example 2, the copper-plated steel ground rod was assembled in the same manner as in example 1.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides a copper facing steel earth bar that sound construction which characterized in that: the drill bit sequentially comprises a driving head, a grounding rod body and a drill bit from top to bottom, wherein the driving head and the grounding rod body are connected together through a connector in a threaded manner, and the grounding rod body and the drill bit are connected together through a thread;
the driving head comprises a connecting rod which is arranged below the driving head and integrally formed with the driving head, the connector is of a cylindrical structure provided with internal threads, external threads are arranged on the connecting rod and the grounding rod body, the external threads on the connecting rod and the grounding rod body are matched with the internal threads on the connector, and the connecting rod and the grounding rod body are respectively inserted into the cylindrical structure of the connector and are in threaded connection;
the upper part of the drill bit is provided with a drill bit groove, the inner side surface of the drill bit groove is provided with internal threads, the internal threads on the drill bit are matched with the external threads on the grounding rod body, and the lower part of the grounding rod body is inserted into the drill bit groove and is connected together by threads;
polytetrafluoroethylene coating gaskets are sleeved on the upper edge and the lower edge of the cylindrical structure of the connector and the upper edge of the drill groove;
the outer diameter of the grounding rod body, the outer diameter of the connecting rod, the inner diameter of the connector cylinder structure and the inner diameter of the drill bit groove are the same.
2. The structurally sound copper coated steel ground rod of claim 1, wherein: the earth bar body is a plurality of, and top-down is 1 the earth bar body, 2 the earth bar body in proper order the k earth bar body, and wherein k ≧ 2, a plurality of earth bar bodies link together through the connector.
3. The structurally sound copper coated steel ground rod of claim 2, wherein: the grounding rod body is divided into a head part and a tail part, a plurality of grounding rod bodies are connected together through connector heads and tails, the head part of the 1 st grounding rod body is connected with the connecting rod, and the tail part of the last grounding rod body is connected with the drill bit.
4. The structurally sound copper coated steel ground rod of claim 3, wherein: the lower end face of the connecting rod, the head end face of the grounding rod body, the tail end face of the grounding rod body and the bottom face of the drill bit groove are flat planes.
5. The structurally sound copper coated steel ground rod of claim 3, wherein: the end face of the head of the grounding rod body is integrally provided with a rod body boss, the end face of the tail of the grounding rod body is provided with a rod body groove, and the inner diameter of the rod body groove is the same as the outer diameter of the rod body boss.
6. The structurally sound copper coated steel ground rod of claim 5, wherein: the depth of the rod body groove is the same as the height of the rod body lug boss.
7. The structurally sound copper coated steel ground rod of claim 5, wherein: the lower end face of the connecting rod is provided with a connecting rod groove, and the inner diameter of the connecting rod groove is the same as the outer diameter of the rod body boss.
8. The structurally sound copper coated steel ground rod of claim 7, wherein: the depth of the connecting rod groove is the same as the height of the rod body boss.
9. The structurally sound copper coated steel ground rod of claim 5, wherein: the bottom surface of the drill bit groove is integrally provided with a drill bit boss, and the inner diameter of the rod body groove is the same as the outer diameter of the drill bit boss.
10. The structurally sound copper coated steel ground rod of claim 7, wherein: the depth of the rod body groove is the same as the height of the drill bit boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120257499.XU CN214124147U (en) | 2021-01-29 | 2021-01-29 | Copper-plated steel grounding rod with firm structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120257499.XU CN214124147U (en) | 2021-01-29 | 2021-01-29 | Copper-plated steel grounding rod with firm structure |
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| Publication Number | Publication Date |
|---|---|
| CN214124147U true CN214124147U (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120257499.XU Active CN214124147U (en) | 2021-01-29 | 2021-01-29 | Copper-plated steel grounding rod with firm structure |
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| Country | Link |
|---|---|
| CN (1) | CN214124147U (en) |
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2021
- 2021-01-29 CN CN202120257499.XU patent/CN214124147U/en active Active
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