CN113067208A - Plug-in type grounding wire device for enclosed bus - Google Patents
Plug-in type grounding wire device for enclosed bus Download PDFInfo
- Publication number
- CN113067208A CN113067208A CN202110379202.1A CN202110379202A CN113067208A CN 113067208 A CN113067208 A CN 113067208A CN 202110379202 A CN202110379202 A CN 202110379202A CN 113067208 A CN113067208 A CN 113067208A
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- Prior art keywords
- conductor
- hole
- clip
- plug
- grounding wire
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
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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
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
-
- 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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- Electric Cable Installation (AREA)
Abstract
本发明属于电力系统技术领域。封闭母线插接式接地线装置，其特征在于包括绝缘操作杆、底座、插接式导体、接地线；绝缘操作杆的上端部与底座的下部螺纹连接，底座的上部与插接式导体的导体连接座固定连接，接地线的上端部固定在接地线连接片上，接地线连接片与插接式导体的接地线连接体连接；所述插接式导体包括导体夹、导体连接座、接地线连接体；导体夹包括左导体夹片、右导体夹片；第一固定螺杆的左端部穿过右导体夹片上的第五通孔、导体连接座的立板上的第一通孔、左导体夹片上的第五通孔、接地线连接体上的第三通孔后旋紧螺母；左导体夹片的上端部与右导体夹片的上端部之间形成V形插口。本发明使用方便、接地快速，安全性好。
The invention belongs to the technical field of power systems. The closed busbar plug-in grounding wire device is characterized in that it includes an insulating operating rod, a base, a plug-in conductor, and a grounding wire; the upper end of the insulating operating rod is screwed with the lower part of the base, and the upper part of the base is connected with the conductor of the plug-in conductor. The connection seat is fixedly connected, the upper end of the grounding wire is fixed on the grounding wire connecting sheet, and the grounding wire connecting sheet is connected with the grounding wire connecting body of the plug-in conductor; the plug-in conductor includes a conductor clip, a conductor connecting seat, and a grounding wire connection The conductor clip includes a left conductor clip and a right conductor clip; the left end of the first fixing screw passes through the fifth through hole on the right conductor clip, the first through hole on the vertical plate of the conductor connection seat, and the left conductor clip After tightening the nut after the fifth through hole on the chip and the third through hole on the ground wire connection body; a V-shaped socket is formed between the upper end of the left conductor clip and the upper end of the right conductor clip. The invention is convenient to use, fast to ground and good safety.
Description
Technical Field
The invention belongs to the technical field of power systems, and particularly relates to a plug-in type grounding wire device for a 0.4kV enclosed bus.
Background
According to the requirements of medium and low voltage distribution line maintenance work in national grid company electric power safety work regulations (distribution part) (trial execution): 4.4.2 when the low-voltage distribution line and the equipment which are overhauled are proved to have no voltage, at least one of the following measures is adopted to prevent the reverse power transmission: (1) all phase and neutral wires are grounded and shorted. (2) And (4) insulating and shielding. (3) The locking and hanging are added at the disconnection point to prohibit closing, and people work! The OR-type circuit is forbidden to be switched on, and the line is operated by people! "is a nameplate.
In order to ensure the life safety of rush repair personnel and prevent reverse power transmission in rush repair work. At present, in the 0.4 kilovolt closed bus fault rush-repair work, because of the ground wire can not be articulated, the executed safety measures for preventing reverse power transmission are as follows: the user switch is disconnected, the locking and the suspension are added at the disconnection point to prohibit the switch-on, and the user works! The OR-type circuit is forbidden to be switched on, and the line is operated by people! "is a nameplate. This makes the deployment of security measures often time consuming and labor intensive.
Disclosure of Invention
The invention aims to provide a plug-in type grounding wire device of a 0.4kV enclosed bus, which is convenient to use, quick in grounding and good in safety.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the plug-in type grounding wire device of the 0.4kV enclosed bus is characterized by comprising an insulating operating rod 1, a base 2, a plug-in type conductor 3 and a grounding wire 4; the upper end part of the insulating operating rod 1 is in threaded connection with the lower part of the base 2, the upper part of the base 2 is fixedly connected with the conductor connecting seat 5 of the plug-in type conductor 3, the upper end part of the grounding wire 4 is fixed on a grounding wire connecting sheet 23, and the grounding wire connecting sheet 23 is connected with a grounding wire connecting body 6 of the plug-in type conductor 3;
the plug-in type conductor 3 comprises a conductor clamp, a conductor connecting seat 5 and a grounding wire connecting body 6; the conductor clamp comprises a left conductor clamping piece 8 and a right conductor clamping piece 11; the lower parts of the left conductor clamping piece 8 and the right conductor clamping piece 11 are both provided with fifth through holes 24; the middle part of the left conductor clamping piece 8 is bent towards the left side, the upper end part of the left conductor clamping piece 8 is bent towards the right side, and the upper end of the left conductor clamping piece 8 extends out towards the left side; the middle part of the right conductor clamping piece 11 is bent towards the right side, the upper end part of the right conductor clamping piece 11 is bent towards the left side, and the upper end of the right conductor clamping piece 11 extends out towards the right side; the conductor connecting seat 5 is an integrated structure formed by a bottom plate and a vertical plate, the vertical plate is positioned in the center of the upper surface of the bottom plate, the vertical plate is vertical to the bottom plate, and a first through hole 14 is formed in the vertical plate; the rear part of the grounding wire connecting body 6 is provided with a third through hole 18, and the front part of the grounding wire connecting body 6 is provided with a fourth through hole 19; the lower part of the left conductor clamping piece 8 is positioned on the left side of the vertical plate of the conductor connecting seat 5, the lower part of the right conductor clamping piece 11 is positioned on the right side of the vertical plate of the conductor connecting seat 5, and the rear part of the grounding wire connecting body 6 is positioned on the left side of the left conductor clamping piece 8; the left end of the first fixing screw 12 passes through a fifth through hole 24 on the right conductor clamping piece 11, a first through hole 14 on a vertical plate of the conductor connecting seat 5, a fifth through hole 24 on the left conductor clamping piece 8 and a third through hole 18 on the ground wire connecting body 6, and then nuts are screwed; a V-shaped socket 10 is formed between the upper end part of the left conductor clamping piece 8 and the upper end part of the right conductor clamping piece 11, and an inverted V-shaped cavity 9 is formed between the middle part of the left conductor clamping piece 8 and the middle part of the right conductor clamping piece 11.
The upper central parts of the left conductor clamping piece 8 and the right conductor clamping piece 11 are both provided with a seam 13.
The width of the seam is 3mm and the depth is 25 mm.
The number of the left conductor clamping pieces 8 is 2, the left conductor clamping pieces 8 on the right side are made of aluminum materials, and the left conductor clamping pieces 8 on the left side are made of alloys; the number of the right conductor clamping pieces 11 is 2, the right conductor clamping piece 11 on the left side is made of aluminum materials, and the right conductor clamping piece 11 on the right side is made of alloys.
The upper part of base 2 and plug-in type conductor 3's conductor connecting seat 5 fixed connection do: the left part and the right part of the bottom plate of the conductor connecting seat 5 are respectively provided with a second through hole 15; the left side part and the right side part of the base 2 are both provided with a first screw hole 16; the 2 second fixing screws respectively and correspondingly penetrate through the second through holes 15 and then are screwed into the first screw holes 16.
The insulating operating rod 1 comprises an insulating rod 20, a connector 21 and a stud 22, the upper end of the insulating rod 20 is in threaded connection with the lower portion of the connector 21, the stud 22 is arranged at the upper end of the connector 21, external threads are arranged on the stud 22, and the stud 22 is screwed into the second screw hole 17 in the base 2.
The ground wire connecting sheet 23 is connected with the ground wire connecting body 6 of the plug-in type conductor 3 as follows: the grounding wire connecting piece 23 is provided with a sixth through hole, one end part of the grounding wire connecting screw rod 7 penetrates through the fourth through hole 19 on the grounding wire connecting body 6 and the sixth through hole on the grounding wire connecting piece 23 and then screws the nut, the number of the grounding wire connecting screw rods 7 is 2, and the number of the fourth through hole 19 and the number of the sixth through hole are 2 correspondingly.
The invention has the beneficial effects that: the grounding wire is connected with the enclosed bus in an insertion manner, so that the use is convenient and quick. The invention has good safety.
Drawings
Fig. 1 is a schematic structural diagram of a plug-in type grounding wire device of a 0.4kV enclosed bus of the invention.
Fig. 2 is a schematic structural diagram of the plug-in type conductor of the present invention.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a right side view of fig. 2.
Fig. 5 is a schematic structural view of the conductor connecting seat of the present invention.
Fig. 6 is a schematic structural diagram of the base of the present invention.
Fig. 7 is a schematic structural diagram of a ground wire connector according to the present invention.
Fig. 8 is a schematic structural view of the left conductor clip of the present invention.
Fig. 9 is a schematic structural view of the insulated operating rod of the present invention.
Fig. 10 is a schematic view of the plug-in type conductor of the present invention connected to a closed bus bar.
The labels in the figure are: 1-insulating operating rod, 2-base, 3-plug-in type conductor, 4-grounding wire, 5-conductor connecting base, 6-grounding wire connector, 7-grounding wire connecting screw rod, 8-left conductor clamping piece, 9-V-shaped cavity, 10-V-shaped socket, 11-right conductor clamping piece, 12-first fixing screw rod (or screw), 13-seam (notch), 14-first through hole, 15-second through hole, 16-first screw hole, 17-second screw hole, 18-third through hole, 19-fourth through hole, 20-insulating rod, 21-connector, 22-stud, 23-grounding wire connecting piece, 24-fifth through hole, 25-sealed bus plug interface and 26-sealed bus. The dimensions in the figure are in mm.
Detailed Description
As shown in fig. 1-10, the plug-in type grounding wire device for the 0.4kV enclosed bus comprises an insulating operating rod 1, a base 2, a plug-in type conductor 3 and a grounding wire 4; the upper end part of the insulating operating rod 1 is in threaded connection with the lower part of the base 2, the upper part of the base 2 is fixedly connected with a conductor connecting seat 5 of the plug-in type conductor 3 (in the embodiment, the screw rod, the nut or the screw connection is adopted), the upper end part of the grounding wire 4 is fixed on a grounding wire connecting piece 23 (for example, welding; the lower end part of the grounding wire 4 is connected with a grounding device), and the grounding wire connecting piece 23 is connected with a grounding wire connecting body 6 of the plug-in type conductor 3 (in the embodiment, the screw rod and the;
the plug-in type conductor 3 comprises a conductor clamp, a conductor connecting seat 5 and a grounding wire connecting body 6 (shown in figures 2-4); the conductor clamp comprises a left conductor clamping piece 8 and a right conductor clamping piece 11; the lower parts of the left conductor clamping piece 8 and the right conductor clamping piece 11 are respectively provided with a fifth through hole 24 (the number of the fifth through holes 24 is 1-4, the best is 2-3, in the embodiment, 2 are adopted; the left conductor clamping piece 8 and the right conductor clamping piece 11 are conductive elastic pieces; the material is aluminum); the middle part of the left conductor clamping piece 8 bends towards the left side (or called as convex towards the left side), the upper end part of the left conductor clamping piece 8 bends towards the right side (or called as convex towards the right side), and the upper end of the left conductor clamping piece 8 extends towards the left side; the middle part of the right conductor clamping piece 11 is bent towards the right side (or: protruded towards the right side), the upper end part of the right conductor clamping piece 11 is bent towards the left side (or: protruded towards the left side), and the upper end of the right conductor clamping piece 11 extends out towards the right; the conductor connecting seat 5 is of an integrated structure (can be welded into a whole) formed by a bottom plate and a vertical plate, the vertical plate is positioned in the center of the upper surface of the bottom plate and is vertical to the bottom plate, and the vertical plate is provided with first through holes 14 (the number of the first through holes 14 is 1-4, preferably 2-3, in the embodiment, 2 are adopted; the conductor connecting seat 5 is made of a conductive material, and the material is copper material); the rear part of the grounding wire connecting body 6 is provided with third through holes 18 (the number of the first through holes 14 is 1-4, the best number is 2-3, in the embodiment, 2 are adopted; the grounding wire connecting body 6 is made of a conductive material and is made of a copper material), and the front part of the grounding wire connecting body 6 is provided with fourth through holes 19 (in the embodiment, the number of the fourth through holes 19 and the number of the grounding wire connecting screw rods 7 are 2); the lower part of the left conductor clamping piece 8 is positioned on the left side of the vertical plate of the conductor connecting seat 5, the lower part of the right conductor clamping piece 11 is positioned on the right side of the vertical plate of the conductor connecting seat 5, and the rear part of the grounding wire connecting body 6 is positioned on the left side of the left conductor clamping piece 8 (or positioned on the right side of the right conductor clamping piece 11); the left end of the first fixing screw (or screw) 12 passes through the fifth through hole 24 on the right conductor clamping piece 11, the first through hole 14 on the vertical plate of the conductor connecting seat 5, the fifth through hole 24 on the left conductor clamping piece 8 and the third through hole 18 on the ground wire connecting body 6 and then screws the nuts (namely, the first fixing screw 12 connects and fixes the right conductor clamping piece 11, the vertical plate of the conductor connecting seat 5, the left conductor clamping piece 8 and the ground wire connecting body 6 together, the number of the first fixing screws 12 is 1-4, preferably 2-3, in the embodiment, 2, and the other end of the first fixing screw 12 is provided with a nut); a V-shaped socket (or inverted V-shaped socket) 10 is formed between the upper end part of the left conductor clamping piece 8 and the upper end part of the right conductor clamping piece 11, and an inverted V-shaped cavity (or inverted V-shaped socket) 9 is formed between the middle part of the left conductor clamping piece 8 and the middle part of the right conductor clamping piece 11.
The upper central parts of the left conductor clamping piece 8 and the right conductor clamping piece 11 are both provided with a seam (notch) 13; the width of the seam is 3mm and the depth is 25mm (or called width is 3mm and height is 25 mm; the seam is adopted, namely, a sectional type clamping piece is formed, when the size of the enclosed bus is not uniform, two sections can be independently contacted with the enclosed bus without mutual influence, the contact surface of the enclosed bus and the clamping piece can be ensured, and the reliable connection of the grounding wire is ensured).
The number of the left conductor clamping pieces 8 is 2, the left conductor clamping pieces 8 on the right side are made of aluminum materials, and the left conductor clamping pieces 8 on the left side are made of alloys; the number of the right conductor clamping pieces 11 is 2, the right conductor clamping piece 11 on the left side is made of aluminum materials, and the right conductor clamping piece 11 on the right side is made of alloys. Aluminum has light weight and good conductivity, but has poor mechanical property, and cannot ensure tight splicing for a long time and many times. Adopt the inboard left conductor clamping piece 8, the right conductor clamping piece 11 that are aluminium material, the outside is left conductor clamping piece 8, the right conductor clamping piece 11 of alloy, and this kind of conductor clamp (fastener) can guarantee the electric conductivity, can guarantee mechanical strength again, can realize for a long time, many times peg graft closely, connect reliably and corrosion-resistant, light in weight.
The upper part of base 2 and plug-in type conductor 3's conductor connecting seat 5 fixed connection do: the left part and the right part of the bottom plate of the conductor connecting seat 5 are respectively provided with a second through hole 15; the left side part and the right side part of the base 2 are both provided with a first screw hole 16 (the middle part of the base 2 is provided with a second screw hole 17); the 2 second fixing screws (or screws) respectively penetrate through the second through holes 15 and then are screwed into the first screw holes 16.
Insulating bar 1 includes insulating bar 20, connector 21, double-screw bolt 22, and the upper end of insulating bar 20 and the lower part threaded connection of connector 21 are equipped with double-screw bolt 22 on the upper end of connector 21, are equipped with the external screw thread on the double-screw bolt 22, in the second screw 17 on the double-screw bolt 22 screw in base 2 (namely, the upper end of insulating bar 1 and the lower part threaded connection of base 2).
The ground wire connecting sheet 23 is connected with the ground wire connecting body 6 of the plug-in type conductor 3 as follows: the earth connection connecting piece 23 is provided with a sixth through hole, one end of the earth connection connecting screw 7 passes through the fourth through hole 19 on the earth connection connecting body 6 and the sixth through hole on the earth connection connecting piece 23 and then screws the nut (the other end of the earth connection connecting screw 7 is provided with a nut), the number of the earth connection connecting screw 7 is 2, and the fourth through hole 19 and the sixth through hole are 2 correspondingly.
The base is the part that plug-in type conductor and insulating bar (insulating bar) link to each other, adopts square base, material: aluminum (aluminum is the best base material for reducing the downward acting force on the conductor clamp and ensuring the reliable connection between the conductor clamp and the enclosed bus).
The grounding wire is formed by stranding a plurality of strands of high-quality annealed copper wires, and is externally coated with a soft and high-temperature-resistant transparent insulating sheath, so that the grounding wire can be prevented from being abraded in use. The wire clamp is cast by using high-quality aluminum alloy which is commonly used at present for reference, and can meet the requirement of firmly connecting the grounding flat iron.
Use of: the V-shaped socket 10 of the 0.4kV closed bus plug-in type grounding wire device is inserted by aligning with the closed bus 26, the outer end part of the closed bus 26 is inserted between the left conductor clamping piece 8 and the right conductor clamping piece 11 and is in close contact with the left conductor clamping piece 8 and the right conductor clamping piece 11 (the left conductor clamping piece 8 and the right conductor clamping piece 11 are elastic bodies), the upper end of the grounding wire is connected with the quasi-closed bus 26, and the lower end of the grounding wire is grounded. When the grounding is not needed, the cable is pulled out.
The plug-in type grounding wire device of the 0.4kV enclosed bus is adopted to replace a locking and hanging sign board, the workload of arrangement of anti-power transmission safety measures is reduced, the rush-repair work of the 0.4kV low-voltage enclosed bus is optimized, the rush-repair duration is reduced, and the demand of restoring power as soon as possible after the fault power failure is met. In the emergency repair work of the 0.4 kilovolt closed bus in the high-rise residential district, the time length of safety measures for preventing the reverse power transmission is controlled within 10 minutes.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110379202.1A CN113067208A (en) | 2021-04-08 | 2021-04-08 | Plug-in type grounding wire device for enclosed bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110379202.1A CN113067208A (en) | 2021-04-08 | 2021-04-08 | Plug-in type grounding wire device for enclosed bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113067208A true CN113067208A (en) | 2021-07-02 |
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ID=76566307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110379202.1A Pending CN113067208A (en) | 2021-04-08 | 2021-04-08 | Plug-in type grounding wire device for enclosed bus |
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| Country | Link |
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| CN (1) | CN113067208A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114122760A (en) * | 2021-11-12 | 2022-03-01 | 国家电网有限公司 | Temporary grounding wire power connection clamp device and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86203183U (en) * | 1986-05-17 | 1987-01-21 | 宁波市电业局 | Elastic joint for ground connection |
| CN203660095U (en) * | 2013-11-28 | 2014-06-18 | 国家电网公司 | Universal grounding wire clamp |
| CN103986043A (en) * | 2014-05-21 | 2014-08-13 | 国家电网公司 | Ground lead |
| CN208571425U (en) * | 2018-08-01 | 2019-03-01 | 云南电网有限责任公司带电作业分公司 | A kind of plum blossom hair style insulating bar special bolt gasket retainer |
| CN110021853A (en) * | 2018-01-09 | 2019-07-16 | 泰连公司 | The electric connector of power bus-bar |
| CN212182686U (en) * | 2020-07-01 | 2020-12-18 | 青岛亿联客信息技术有限公司 | Lamp connector and lamp |
| CN214706467U (en) * | 2021-04-08 | 2021-11-12 | 国网湖北省电力有限公司宜昌供电公司 | Plug-in type grounding wire device for enclosed bus |
-
2021
- 2021-04-08 CN CN202110379202.1A patent/CN113067208A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86203183U (en) * | 1986-05-17 | 1987-01-21 | 宁波市电业局 | Elastic joint for ground connection |
| CN203660095U (en) * | 2013-11-28 | 2014-06-18 | 国家电网公司 | Universal grounding wire clamp |
| CN103986043A (en) * | 2014-05-21 | 2014-08-13 | 国家电网公司 | Ground lead |
| CN110021853A (en) * | 2018-01-09 | 2019-07-16 | 泰连公司 | The electric connector of power bus-bar |
| CN208571425U (en) * | 2018-08-01 | 2019-03-01 | 云南电网有限责任公司带电作业分公司 | A kind of plum blossom hair style insulating bar special bolt gasket retainer |
| CN212182686U (en) * | 2020-07-01 | 2020-12-18 | 青岛亿联客信息技术有限公司 | Lamp connector and lamp |
| CN214706467U (en) * | 2021-04-08 | 2021-11-12 | 国网湖北省电力有限公司宜昌供电公司 | Plug-in type grounding wire device for enclosed bus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114122760A (en) * | 2021-11-12 | 2022-03-01 | 国家电网有限公司 | Temporary grounding wire power connection clamp device and use method |
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