CN214706467U - Plug-in type grounding wire device for enclosed bus - Google Patents
Plug-in type grounding wire device for enclosed bus Download PDFInfo
- Publication number
- CN214706467U CN214706467U CN202120731555.9U CN202120731555U CN214706467U CN 214706467 U CN214706467 U CN 214706467U CN 202120731555 U CN202120731555 U CN 202120731555U CN 214706467 U CN214706467 U CN 214706467U
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- conductor
- clamping piece
- hole
- plug
- conductor clamping
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- 239000004020 conductor Substances 0.000 claims abstract description 169
- 239000012212 insulator Substances 0.000 claims 2
- 239000000463 material Substances 0.000 description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 9
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of electric power system. A plug-in type grounding wire device of a closed bus is characterized by comprising an insulating operating rod, a base, a plug-in type conductor and a grounding wire; the upper end part of the insulating operating rod is in threaded connection with the lower part of the base, the upper part of the base is fixedly connected with the conductor connecting seat of the plug-in type conductor, the upper end part of the grounding wire is fixed on a grounding wire connecting piece, and the grounding wire connecting piece is connected with a grounding wire connecting body of the plug-in type conductor; the plug-in type conductor comprises a conductor clamp, a conductor connecting seat and a grounding wire connecting body; the conductor clamp comprises a left conductor clamping piece and a right conductor clamping piece; the left end part of the first fixing screw penetrates through a fifth through hole in the right conductor clamping piece, a first through hole in a vertical plate of the conductor connecting seat, a fifth through hole in the left conductor clamping piece and a third through hole in the ground wire connecting body, and then a nut is screwed; a V-shaped socket is formed between the upper end of the left conductor clamping piece and the upper end of the right conductor clamping piece. The utility model discloses convenient to use, ground connection are quick.
Description
Technical Field
The utility model belongs to the technical field of electric power system, concretely relates to closed bus plug-in type earth connection device.
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
An object of the utility model is to provide a closed bus plug-in type earth connection device, convenient to use, ground connection are quick.
In order to realize the purpose, the utility model adopts the technical scheme that: a plug-in type grounding wire device of a closed bus is characterized by comprising an insulating operating rod, a base, a plug-in type conductor and a grounding wire; the upper end part of the insulating operating rod is in threaded connection with the lower part of the base, the upper part of the base is fixedly connected with the conductor connecting seat of the plug-in type conductor, the upper end part of the grounding wire is fixed on a grounding wire connecting piece, and the grounding wire connecting piece is connected with a grounding wire connecting body of the plug-in type conductor;
the plug-in type conductor comprises a conductor clamp, a conductor connecting seat and a grounding wire connecting body; the conductor clamp comprises a left conductor clamping piece and a right conductor clamping piece; the lower parts of the left conductor clamping piece and the right conductor clamping piece are provided with fifth through holes; the middle part of the left conductor clamping piece is bent towards the left side, the upper end part of the left conductor clamping piece is bent towards the right side, and the upper end of the left conductor clamping piece extends out leftwards; the middle part of the right conductor clamping piece is bent towards the right side, the upper end part of the right conductor clamping piece is bent towards the left side, and the upper end of the right conductor clamping piece extends out towards the right side; the conductor connecting seat is of an integrated structure consisting of 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 is formed in the vertical plate; the rear part of the grounding wire connector is provided with a third through hole, and the front part of the grounding wire connector is provided with a fourth through hole; the lower part of the left conductor clamping piece is positioned on the left side of the vertical plate of the conductor connecting seat, the lower part of the right conductor clamping piece is positioned on the right side of the vertical plate of the conductor connecting seat, and the rear part of the grounding wire connecting body is positioned on the left side of the left conductor clamping piece; the left end part of the first fixing screw penetrates through a fifth through hole in the right conductor clamping piece, a first through hole in a vertical plate of the conductor connecting seat, a fifth through hole in the left conductor clamping piece and a third through hole in the ground wire connecting body, and then a nut is screwed; a V-shaped socket is formed between the upper end part of the left conductor clamping piece and the upper end part of the right conductor clamping piece, and an inverted V-shaped cavity is formed between the middle part of the left conductor clamping piece and the middle part of the right conductor clamping piece.
The upper central parts of the left conductor clamping piece and the right conductor clamping piece are provided with seams.
The width of the seam is 3mm and the depth is 25 mm.
The number of the left conductor clamping pieces is 2, the left conductor clamping piece on the right side is made of aluminum materials, and the left conductor clamping piece on the left side is made of alloy; the number of the right conductor clamping pieces is 2, the right conductor clamping pieces on the left side are made of aluminum materials, and the right conductor clamping pieces on the right side are made of alloys.
The upper portion of base and the conductor connecting seat fixed connection of plug-in type conductor do: the left part and the right part of the bottom plate of the conductor connecting seat are respectively provided with a second through hole; the left side part and the right side part of the base are both provided with first screw holes; and 2 second fixing screw rods respectively and correspondingly penetrate through the second through holes and then are screwed into the first screw holes.
The insulating operating rod comprises an insulating rod, a connector and a stud, the upper end of the insulating rod is in threaded connection with the lower portion of the connector, the stud is arranged at the upper end of the connector, external threads are arranged on the stud, and the stud is screwed into a second screw hole in the base.
The ground wire connecting sheet is connected with the ground wire connecting body of the plug-in type conductor as follows: be equipped with the sixth through-hole on the earth connection piece, screw the nut after the fourth through-hole on the earth connection connector, the sixth through-hole on the earth connection piece are passed to a tip of earth connection connecting screw, earth connection connecting screw is 2, and fourth through-hole, sixth through-hole all correspond and are 2.
The utility model has the advantages that: the grounding wire is connected with the enclosed bus in an insertion manner, so that the use is convenient and the grounding is quick. Adopt the utility model discloses afterwards, the security is good.
Drawings
Fig. 1 is a schematic structural view of the plug-in type grounding wire device for enclosed bus of the present 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 view of the ground wire connector of the present invention.
Fig. 8 is a schematic structural view of the left conductor clamping piece of the present invention.
Fig. 9 is a schematic structural view of the insulating operating rod of the present invention.
Fig. 10 is a schematic view of the plug-in type conductor of the present invention connected to the enclosed 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, a plug-in type grounding wire device for a closed 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 nut connection is adopted);
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 plug-in type grounding wire device of the closed bus 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 enclosed bus is adopted to replace a locking hanging sign board, the workload of arrangement of anti-power transmission safety measures is reduced, the rush repair work of the 0.4 KV low-voltage enclosed bus is optimized, the rush repair time is reduced, and the requirement of restoring power as soon as possible after 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 (6)
1. A plug-in type grounding wire device for a closed 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 a 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 piece (23), and the grounding wire connecting piece (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 respectively provided with a fifth through hole (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 to the left; 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 of an integrated structure consisting of 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 a first through hole (14) is formed in the vertical plate; a third through hole (18) is formed in the rear part of the grounding wire connecting body (6), and a fourth through hole (19) is formed in the front part of the grounding wire connecting body (6); the lower part of the left conductor clamping piece (8) is positioned on the left side of a 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 part of the first fixing screw rod (12) penetrates 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 is screwed with a nut; 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).
2. The enclosed busbar plug-in type ground wire device according to claim 1, wherein: the upper central parts of the left conductor clamping piece (8) and the right conductor clamping piece (11) are respectively provided with a seam (13).
3. The enclosed busbar plug-in type ground wire device according to claim 2, wherein: the width of the seam is 3mm and the depth is 25 mm.
4. The enclosed busbar plug-in type ground wire device according to claim 1, wherein: the upper portion of base (2) and conductor connecting seat (5) fixed connection of plug-in type conductor (3) 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 screw rods respectively and correspondingly penetrate through the second through holes (15) and then are screwed into the first screw holes (16).
5. The enclosed busbar plug-in type ground wire device according to claim 1, wherein: insulating bar (1) includes insulator spindle (20), connector (21), double-screw bolt (22), and the upper end of insulator spindle (20) and the lower part threaded connection of connector (21), the upper end of connector (21) is equipped with double-screw bolt (22), is equipped with the external screw thread on double-screw bolt (22), in second screw (17) on double-screw bolt (22) screw in base (2).
6. The enclosed busbar plug-in type ground wire device according to claim 1, wherein: the ground wire connecting sheet (23) is connected with the ground wire connecting body (6) of the plug-in type conductor (3) as follows: be equipped with the sixth through-hole on earth connection piece (23), the nut of screwing behind the sixth through-hole on earth connection connecting screw rod (7) the tip of earth connection passed fourth through-hole (19) on earth connection connector (6), earth connection piece (23), earth connection connecting screw rod (7) are 2, and fourth through-hole (19), sixth through-hole all correspond and are 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120731555.9U CN214706467U (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 |
|---|---|---|---|
| CN202120731555.9U CN214706467U (en) | 2021-04-08 | 2021-04-08 | Plug-in type grounding wire device for enclosed bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214706467U true CN214706467U (en) | 2021-11-12 |
Family
ID=78530746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120731555.9U Expired - Fee Related CN214706467U (en) | 2021-04-08 | 2021-04-08 | Plug-in type grounding wire device for enclosed bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214706467U (en) |
-
2021
- 2021-04-08 CN CN202120731555.9U patent/CN214706467U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |