CN111276830A - Electrical engineering earthing device - Google Patents
Electrical engineering earthing device Download PDFInfo
- Publication number
- CN111276830A CN111276830A CN202010085002.0A CN202010085002A CN111276830A CN 111276830 A CN111276830 A CN 111276830A CN 202010085002 A CN202010085002 A CN 202010085002A CN 111276830 A CN111276830 A CN 111276830A
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- Prior art keywords
- conductive
- insulating
- sleeve
- connecting block
- electrical engineering
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
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Abstract
The invention discloses an electrical engineering grounding device, and mainly relates to the field of electrical engineering. Including insulating bottom plate, insulating bottom plate's middle part is equipped with the lag, be equipped with the electrically conductive screw rod of adjustable length in the lag, the vertical welding in bottom of electrically conductive screw rod has the earthing pole, insulating bottom plate's upside is equipped with the ring carrier, the top of ring carrier is equipped with first electrically conductive cover, electrically conductive connecting block, the electrically conductive cover of second from bottom to top in proper order, be equipped with a plurality of threaded connection hole on the outer wall of electrically conductive connecting block, insulating bottom plate's top is equipped with insulating protection casing, the outside of insulating protection casing is equipped with the terminal box, be equipped with the wiring row in the terminal box, the one end of wiring row is equipped with the wire, the one end that the wiring row. The invention has the beneficial effects that: the coating has the advantages of rust resistance, long service life, small damage to indoor ground, convenient expansion and convenient use.
Description
Technical Field
The invention relates to the field of electrical engineering, in particular to an electrical engineering grounding device.
Background
In order to improve the safety of the use of electrical equipment, the electrical equipment needs to be grounded, the existing grounding device mostly adopts a metal rod as a grounding electrode, the grounding electrode is vertically driven into the ground, then the flat steel is buried as a horizontal connecting wire, then the flat steel is welded with the grounding electrode, the electrical equipment and the flat steel are connected through a conducting wire, when the flat steel is buried, the ground needs to be damaged, especially when a plurality of electrical equipment are installed indoors, a plurality of flat steels can be buried, the ground needs to be damaged when the flat steel is buried every time, the inconvenience is high, the grounding electrode is easy to corrode at the boundary of the ground and the air, and the service life of the grounding device is influenced.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an electrical engineering grounding device which is anti-rust, long in service life, small in ground damage, convenient to expand and convenient to use.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an electrical engineering grounding device comprises an insulating base plate, wherein a protective sleeve is arranged in the middle of the insulating base plate and vertically penetrates through the insulating base plate, a conductive screw is arranged in the protective sleeve, the outer diameter of the conductive screw is smaller than the inner diameter of the protective sleeve, elastic thread plugs which are adaptive to the conductive screw are arranged at the upper end and the lower end of the protective sleeve, a grounding electrode is vertically welded at the bottom of the conductive screw, an annular support is arranged at the upper side of the insulating base plate, the protective sleeve is positioned at the inner side of the annular support, the bottom end of the annular support is abutted to the insulating base plate, a first conductive sleeve, a conductive connecting block and a second conductive sleeve are sequentially arranged at the top of the annular support from bottom to top, a conductive hole which is adaptive to the conductive screw is formed in the middle of the conductive connecting block, a conductive ring is arranged at the top of the first conductive sleeve and the bottom of the second conductive sleeve, the first conductive sleeve and the second, the bottom of electrically conductive connecting block and the conducting ring butt on the first electrically conductive cover, the conducting ring butt on top and the second electrically conductive cover, be equipped with a plurality of threaded connection hole on the outer wall of electrically conductive connecting block, the top of insulating bottom plate is equipped with insulating protection casing, insulating protection casing can be dismantled with insulating bottom plate and be connected, be equipped with the jack corresponding with the threaded connection hole on the insulating protection casing, be equipped with the insulating stopper of detachable in the jack, the outside of insulating protection casing is equipped with the terminal box, be equipped with the line bank in the terminal box, the one end of line bank is equipped with the wire, the wire is kept away from the one end of line bank and is stretched out the terminal box, and the wire is kept away from the one end of line bank and is equipped with the threaded connection terminal that suits with the threaded connection.
Preferably, the insulating bottom plate is provided with foundation bolts.
Preferably, the top of the insulating bottom plate is provided with an annular groove matched with the annular support.
Preferably, the top of the annular support is provided with a positioning column, and the conductive connecting block is provided with a positioning hole matched with the positioning column.
Preferably, the insulating plug is an elastic plug, a lifting rope is arranged on the insulating plug, and one end, far away from the insulating plug, of the lifting rope is fixed on the insulating protective cover.
Preferably, the wiring terminal comprises a threaded cylinder welded on the wiring bar, a connecting ring is welded at the top of the threaded cylinder, the connecting ring is embedded on the outer wall of the wiring box, a threaded rod is arranged in the threaded cylinder, and a pressing block is arranged at the top of the threaded rod.
Preferably, the first conductive sleeve and the second conductive sleeve are hexagonal prisms in shape.
Compared with the prior art, the invention has the beneficial effects that:
the protective sleeve is used for protecting the conductive screw at the boundary between the ground and the air, and the elastic thread plug is used for preventing water vapor from entering the protective sleeve, so that the conductive screw can be prevented from being corroded at the boundary between the ground and the air, and the service life can be ensured; when the grounding device is used, the ground is damaged only when the grounding electrode is inserted underground, and the damage to the indoor ground is small; the electric equipment is electrically connected with the wiring terminals on the wiring box, one wiring box can be connected with a plurality of electric equipment, the conductive connecting block is electrically connected with the conductive screw rods through the first conductive sleeve and the second conductive sleeve, and the capacity expansion is carried out by accessing different numbers of wiring boxes without embedding flat steel, so that the indoor ground is not damaged, and the capacity expansion is convenient; the threaded binding post on the junction box is in threaded connection with the conductive connecting block, so that the connection is convenient; utilize insulating stopper closed jack, can prevent that steam from getting into insulating protection casing, prevent parts such as electrically conductive connecting block, first conductive cover, the electrically conductive cover of second in the insulating protection casing from taking place the corrosion, guarantee the firm of connecting, guarantee safe in utilizationly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the internal structure of the junction box.
The reference numbers in the drawings: 1. an insulating base plate; 2. a protective sleeve; 3. a conductive screw; 4. an elastic threaded plug; 5. a ground electrode; 6. an annular support; 7. a first conductive sleeve; 8. a conductive connecting block; 9. a second conductive sleeve; 10. conducting rings; 11. connecting a threaded hole; 12. an insulating protective cover; 13. an insulating plug; 14. a junction box; 15. a line bank; 16. a wire; 17. a threaded terminal; 18. a wiring terminal; 19. anchor bolts; 20. a positioning column; 21. a lifting rope; 22. a threaded barrel; 23. a connecting ring; 24. a threaded rod; 25. and (7) briquetting.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Example (b): as shown in fig. 1-2, the grounding device for electrical engineering according to the present invention includes an insulating base plate 1, and in order to improve the stability of the grounding device during use, at least four anchor bolts 19 are disposed on the insulating base plate 1, and the insulating base plate 1 is fixed on the ground through the anchor bolts 19, so that the insulating base plate 1 can be prevented from sliding, and the stability of the grounding device during use can be ensured. Insulating bottom plate 1's middle part is equipped with lag 2, adopts the integral type structure between lag 2 and the insulating bottom plate 1, lag 2 runs through insulating bottom plate 1 perpendicularly, and the distance between the bottom of lag 2 and the bottom surface of insulating bottom plate 1 is not less than 5cm, and when using, the underground is inserted to lag 2's bottom, utilizes lag 2 to protect conductive screw 3 in the boundary department of ground and air. Be equipped with conductive screw 3 in the lag 2, conductive screw 3's external diameter is less than lag 2's internal diameter, the upper and lower both ends in the lag 2 are all inlayed and are had the elasticity thread plug 4 that suits with conductive screw 3, are equipped with the screw thread through hole that suits with conductive screw 3 on the elasticity thread plug 4, utilize elasticity thread plug 4 to prevent that steam from getting into lag 2, can prevent conductive screw 3 in the corrosion of the boundary department of ground and air, guarantee life and safe in utilization. The vertical welding in bottom of conductive screw rod 3 has earthing pole 5, inserts earthing pole 5 underground after, installs lag 2 on the insulating bottom plate 1 on the conductive screw rod 3 at earthing pole 5 top again. The upside of insulating bottom plate 1 is equipped with ring carrier 6, and ring carrier 6 comprises a support section of thick bamboo and the ring of welding at the top of a support section of thick bamboo, lag 2 is located ring carrier 6 inboardly, and the bottom and the insulating bottom plate 1 butt of ring carrier 6, for preventing that ring carrier 6 slides, the top of insulating bottom plate 1 is equipped with the annular groove who suits with ring carrier 6, and the bottom card of ring carrier 6 is gone into in the annular groove, prevents that annular groove 6 from sliding. The top of the annular support 6 is sequentially provided with a first conductive sleeve 7, a conductive connecting block 8 and a second conductive sleeve 9 from bottom to top, the top of the first conductive sleeve 7 and the bottom of the second conductive sleeve 9 are both provided with a conductive ring 10, and the conductive ring 10 is used for increasing the contact area between the first conductive sleeve 7, the second conductive sleeve 9 and the conductive connecting block 8. The first conductive sleeve 7 and the second conductive sleeve 9 are both in threaded connection with the conductive screw rod 3, a through hole matched with the conductive screw rod 3 is formed in the middle of the conductive connecting block 8, the bottom end of the conductive connecting block 8 is abutted to a conductive ring 10 on the first conductive sleeve 7, the top end of the conductive connecting block is abutted to a conductive ring 10 on the second conductive sleeve 9, the first conductive sleeve 7 is screwed down, the first conductive sleeve 7 compresses the annular support 6, then the second conductive sleeve 9 is screwed down, and the second conductive sleeve 9 compresses the conductive connecting block 8, so that the conductive connecting block 8 is in close contact with the top of the first conductive sleeve 7 and the conductive ring 10 at the bottom of the second conductive sleeve 9, and the firmness of electric connection is guaranteed. Preferably, in order to adjust the positions of the first conductive sleeve and the second conductive sleeve, the first conductive sleeve 7 and the second conductive sleeve 9 are hexagonal prism-shaped, so that the first conductive sleeve 7 and the second conductive sleeve 9 can be rotated by a wrench. Be equipped with a plurality of threaded connection hole 11 on the outer wall of electrically conductive connecting block 8, the top of insulating bottom plate 1 is equipped with insulating protection casing 12, insulating protection casing 12 can be dismantled with insulating bottom plate 1 and be connected, and insulating protection casing 12 is used for protecting the inside part of insulating protection casing 12, prevents the corrosion, pulls down the adjustable electrically conductive screw rod 3 of insulating protection casing 12 and inserts the degree of depth in the underground. Be equipped with the jack corresponding with threaded connection hole 11 on the outer wall of insulating protection casing 12, be equipped with detachable insulating plug 13 in the jack, utilize insulating plug 13 to seal the jack, can prevent that steam from getting into insulating protection casing 12, prevent parts such as electrically conductive connecting block 8, first electrically conductive cover 7, the electrically conductive cover of second 9 in the insulating protection casing 12 from taking place the corrosion, guarantee the firm of connection, guarantee safe in utilizationly. Preferably, in order to prevent the insulating plug from being lost, the insulating plug 13 is an elastic plug, and a lifting rope 21 is arranged on the insulating plug 13, and one end of the lifting rope 21, which is far away from the insulating plug 13, is fixed on the insulating protective cover 12. The outside of insulating protection casing 12 is equipped with terminal box 14, be equipped with row of connections 15 in the terminal box 14, the one end of row of connections 15 is equipped with wire 16, wire 16 keeps away from the one end of row of connections 15 and stretches out terminal box 14, and wire 16 keeps away from the one end of row of connections 15 and is equipped with the screw thread terminal 17 that suits with threaded connection hole 11, screw thread terminal and the electrically conductive connecting block threaded connection on the terminal box, and it is convenient to connect. Preferably, in order to prevent the conductive connecting block from rotating and ensure that the threaded binding post is accurately inserted into the threaded connecting hole, a positioning column 20 is arranged at the top of the annular support 6, and a positioning hole matched with the positioning column 20 is arranged on the conductive connecting block 8. The top of the wiring bar 15 is provided with a plurality of wiring terminals 18 extending out of the junction box 14, the shell of the electrical equipment is electrically connected with the wiring terminals 18 on the junction box 14, one junction box 14 can be connected with a plurality of electrical equipment, the conductive connecting block 8 is electrically connected with the conductive screw 3 through the first conductive sleeve 7 and the second conductive sleeve 9, and the capacity expansion is performed by accessing different numbers of the junction boxes 14, so that the capacity expansion is convenient; further, in order to facilitate connection between the electrical equipment and the connection terminal, the connection terminal 18 includes a threaded cylinder 22 welded on the connection bar 15, a connection ring 23 is welded on the top of the threaded cylinder 22, the connection ring 23 is embedded on the outer wall of the junction box 14, a threaded rod 24 is arranged in the threaded cylinder 22, and a pressing block 25 is arranged on the top of the threaded rod 24.
When the grounding electrode is used, the grounding electrode 5 is firstly inserted underground, the topmost end of the grounding electrode 5 is ensured to be positioned underground, and then the insulating bottom plate 1 is arranged on the conductive screw rod 3 at the top of the grounding electrode 5; when the insulating base plate 1 is installed, the protective sleeve 2 is sleeved on the conductive screw 3, the insulating base plate 1 is rotated to enable the insulating base plate 1 to be abutted against the ground, and the bottom end of the protective sleeve 2 is inserted into the ground; fixing the insulating bottom plate 1 on the ground by using foundation bolts 19 to prevent the insulating bottom plate 1 from sliding or rotating; at the moment, the grounding electrode 5 is not in contact with the outside air, the protective sleeve 2 can protect the guide screw 3, the conductive screw 3 can be prevented from being corroded at the boundary between the ground and the air, and the service life can be ensured; then install first conductive sleeve 7, electrically conductive connecting block 8, second conductive sleeve 9 on conductive screw rod 3 in proper order again, utilize first conductive sleeve 7, second conductive sleeve 9 to press from both sides tight electrically conductive connecting block 8, according to the quantity of the electrical equipment of needs ground connection, be equipped with a certain quantity of terminal boxes, the terminal box can directly be placed on subaerial, only damages ground when inserting the earthing pole to the underground, and is less to the destruction on indoor ground. The expansion is carried out by connecting different numbers of junction boxes, flat steel does not need to be embedded, the indoor ground is not damaged, and the expansion is convenient; and the threaded binding post on the junction box is in threaded connection with the conductive connecting block, so that the connection is convenient.
Claims (7)
1. An electrical engineering earthing device, includes insulating bottom plate (1), its characterized in that: the middle part of the insulating base plate (1) is provided with a protective sleeve (2), the protective sleeve (2) vertically penetrates through the insulating base plate (1), a conductive screw (3) is arranged in the protective sleeve (2), the outer diameter of the conductive screw (3) is smaller than the inner diameter of the protective sleeve (2), the upper end and the lower end of the protective sleeve (2) are respectively provided with an elastic thread plug (4) matched with the conductive screw (3), the bottom of the conductive screw (3) is vertically welded with an earth electrode (5), the upper side of the insulating base plate (1) is provided with an annular support (6), the protective sleeve (2) is positioned on the inner side of the annular support (6), the bottom end of the annular support (6) is abutted to the insulating base plate (1), and the top of the annular support (6) is sequentially provided with a first conductive sleeve (7), a conductive connecting block (8) and a second conductive sleeve (9) from bottom to, the top of the first conductive sleeve (7) and the bottom of the second conductive sleeve (9) are respectively provided with a conductive ring (10), the first conductive sleeve (7) and the second conductive sleeve (9) are respectively in threaded connection with a conductive screw (3), the middle of the conductive connecting block (8) is provided with a through hole matched with the conductive screw (3), the bottom end of the conductive connecting block (8) is abutted against the conductive ring (10) on the first conductive sleeve (7), the top end of the conductive connecting block is abutted against the conductive ring (10) on the second conductive sleeve (9), the outer wall of the conductive connecting block (8) is provided with a plurality of threaded connecting holes (11), the top of the insulating bottom plate (1) is provided with an insulating protective cover (12), the insulating protective cover (12) is detachably connected with the insulating bottom plate (1), and the insulating protective cover (12) is provided with jacks corresponding to the threaded connecting holes (11), be equipped with detachable insulating stopper (13) in the jack, the outside of insulating protection casing (12) is equipped with terminal box (14), be equipped with wiring row (15) in terminal box (14), the one end of wiring row (15) is equipped with wire (16), terminal box (14) are stretched out to the one end that wiring row (15) were kept away from in wire (16), and wire (16) keep away from the one end of wiring row (15) and be equipped with screw thread terminal (17) that suit with threaded connection hole (11), the top of wiring row (15) is equipped with the top of wiring row (15) and is equipped with a plurality of binding post (18) that stretch out terminal box (14).
2. An electrical engineering grounding device as in claim 1 wherein: and the insulating bottom plate (1) is provided with foundation bolts (19).
3. An electrical engineering grounding device as in claim 1 wherein: and the top of the insulating bottom plate (1) is provided with an annular groove matched with the annular support (6).
4. An electrical engineering grounding device as in claim 1 wherein: the top of the annular support (6) is provided with a positioning column (20), and the conductive connecting block (8) is provided with a positioning hole matched with the positioning column (20).
5. An electrical engineering grounding device as in claim 1 wherein: the insulating plug (13) is an elastic plug, a lifting rope (21) is arranged on the insulating plug (13), and one end, far away from the insulating plug (13), of the lifting rope (21) is fixed on the insulating protective cover (12).
6. An electrical engineering grounding device as in claim 1 wherein: binding post (18) are including welding screw thread section of thick bamboo (22) on terminal block (15), the top welding of screw thread section of thick bamboo (22) has connecting ring (23), inlay on the outer wall of terminal box (14) connecting ring (23), be equipped with threaded rod (24) in screw thread section of thick bamboo (22), the top of threaded rod (24) is equipped with briquetting (25).
7. An electrical engineering grounding device as in claim 1 wherein: the first conductive sleeve (7) and the second conductive sleeve (9) are hexagonal prism-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010085002.0A CN111276830B (en) | 2020-02-10 | 2020-02-10 | Electrical engineering earthing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010085002.0A CN111276830B (en) | 2020-02-10 | 2020-02-10 | Electrical engineering earthing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111276830A true CN111276830A (en) | 2020-06-12 |
| CN111276830B CN111276830B (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010085002.0A Expired - Fee Related CN111276830B (en) | 2020-02-10 | 2020-02-10 | Electrical engineering earthing device |
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| CN (1) | CN111276830B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117199937A (en) * | 2023-09-27 | 2023-12-08 | 国网山东省电力公司莱州市供电公司 | Electric drive's portable electric power construction earthing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6433278B1 (en) * | 1999-11-11 | 2002-08-13 | Emhart Llc | Attachment device with cap |
| CN207852953U (en) * | 2017-12-19 | 2018-09-11 | 易琼 | A kind of square grounding device for electric force pole tower |
| CN208127440U (en) * | 2018-04-12 | 2018-11-20 | 王莹 | Electric meter earthing or grounding means |
| CN109462279A (en) * | 2018-02-09 | 2019-03-12 | 国家电网公司 | It is grounded wire management device and management method |
| CN209592331U (en) * | 2019-04-30 | 2019-11-05 | 开滦能源化工股份有限公司范各庄矿业分公司 | Mining electric welding machine earthing or grounding means |
| CN209948082U (en) * | 2019-07-17 | 2020-01-14 | 浙江图盛输变电工程有限公司 | Ground end device of ground wire |
-
2020
- 2020-02-10 CN CN202010085002.0A patent/CN111276830B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6433278B1 (en) * | 1999-11-11 | 2002-08-13 | Emhart Llc | Attachment device with cap |
| CN207852953U (en) * | 2017-12-19 | 2018-09-11 | 易琼 | A kind of square grounding device for electric force pole tower |
| CN109462279A (en) * | 2018-02-09 | 2019-03-12 | 国家电网公司 | It is grounded wire management device and management method |
| CN208127440U (en) * | 2018-04-12 | 2018-11-20 | 王莹 | Electric meter earthing or grounding means |
| CN209592331U (en) * | 2019-04-30 | 2019-11-05 | 开滦能源化工股份有限公司范各庄矿业分公司 | Mining electric welding machine earthing or grounding means |
| CN209948082U (en) * | 2019-07-17 | 2020-01-14 | 浙江图盛输变电工程有限公司 | Ground end device of ground wire |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117199937A (en) * | 2023-09-27 | 2023-12-08 | 国网山东省电力公司莱州市供电公司 | Electric drive's portable electric power construction earthing device |
| CN117199937B (en) * | 2023-09-27 | 2024-05-14 | 国网山东省电力公司莱州市供电公司 | Electric drive's portable electric power construction earthing device |
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| CN111276830B (en) | 2020-12-18 |
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