CN205646449U - Modular looped netowrk cabinet ground connection mechanism - Google Patents
Modular looped netowrk cabinet ground connection mechanism Download PDFInfo
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- CN205646449U CN205646449U CN201620509475.8U CN201620509475U CN205646449U CN 205646449 U CN205646449 U CN 205646449U CN 201620509475 U CN201620509475 U CN 201620509475U CN 205646449 U CN205646449 U CN 205646449U
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Abstract
The utility model relates to a modular looped netowrk cabinet ground connection mechanism, including being used for the wire busbar be connected with looped netowrk cabinet cable terminal sleeve pipe electricity, the one end of wire busbar is connected with the one end of earth connection electricity, the other end is connected with the earth clamp electricity, the earth clamp is connected with the inside earthing conductor electricity of looped netowrk cabinet, looped netowrk cabinet cable terminal sleeve pipe interval is provided with threely, the wire busbar is the strip slice, be provided with the through -hole on the wire busbar, cable terminal overlaps the intraductal extension screw rod that is provided with, it is rectangular to the level to extend the screw rod pole, the wire busbar is connected with the extension end that extends the screw rod, set up the extension screw rod at the cable terminal sleeve pipe, the realization is to the extension of cable terminal sleeve pipe horizontal direction, be convenient for lead to with the adj. Tabular busbar snap -on of strip in the looped netowrk cabinet on the elbow type cable terminal sleeve pipe, avoid the interference of interior other structures of looped netowrk cabinet to the installation of wire busbar, this mechanism has realized totally closedly, the ground connection operation on the spot of all insulation formula looped netowrk cabinet power failure spaced, ensure the personal safety of the maintainer at operation interval.
Description
Technical field
This utility model relates to power supply technique field, is specifically related to a kind of combination type ring main unit earthing mechanism.
Background technology
Development along with distribution network technology, all insulation, totally-enclosed waterproofing design are the developing direction of the equipment such as outdoor ring main unit, cable branch box, box-type substation, above-mentioned all insulation, totally-enclosed greatly improve Reliability of Power Supplying Net Work and the safe and stable runnability of equipment.But, in the equipment interruption maintenance operation process such as the distribution outdoor ring main unit in, all insulation totally-enclosed for these, the inlet wire of the distribution outdoor ring main unit that there is some all insulations, totally-enclosed family is spaced no ground disconnecting link or bare metal earth point, and maintainer can only switch in disconnecting upper level or electric substation and arrange site safety measure by the way of the grounding switch that closes.Setting cannot install ground connection, and field service personnel cannot definitely determine that operation interval is not charged, brings certain security risk to Field Force.The reason that the problems referred to above occur is: the equipment such as totally-enclosed, all insulation formula outdoor ring main unit are largely used to urban distribution network, it is designed to duplicate supply looped network for raising power supply reliability majority power, inlet wire cable is penetrated by lower cabinet door, for preventing operations staff's charged co-grounding switch maloperation, actual application mesohigh incoming line cabinet and contact cabinet do not fill grounding switch, and outgoing line cabinet installs grounding switch；Secondly, these are totally-enclosed, all insulation formula outdoor ring network cabinet equipment many employings all insulation, full-shield formula elbow-type tag, all insulation formula elbow-type tag cannot install traditional earth lead without bare metal conductor, operation field.
Utility model content
The purpose of this utility model is: provide a kind of for all insulation, the earthing mechanism of totally enclosed combination type ring main unit, it is ensured that at operation interval, maintainer's is perfectly safe.
For achieving the above object, the technical solution adopted in the utility model is: combination type ring main unit earthing mechanism, including the wire bus-bar for electrically connecting with ring main unit cable termination head casing tube, one end of wire bus-bar electrically connects with one end of earth lead, the other end of earth lead electrically connects with earthing clamp, earth conductor within ground stud that earthing clamp is arranged with ground, ring main unit place or ring main unit electrically connects, ring main unit cable termination head casing tube is arranged at intervals with three, wire bus-bar is strip of sheet, the through hole telescopic joint with cable terminal it is provided with on wire bus-bar, extension screw rod it is provided with in cable termination head casing tube, extend screw rod bar length direction level, wire bus-bar is connected with the elongated end extending screw rod.
This utility model there is also following characteristics:
Three cable terminal sleeve pipes are horizontally spaced about, the plate length direction level of wire bus-bar, described through hole is bar hole and length direction level, threaded with wire bus-bar in the one end extending screw rod, the other end extending screw rod is threadeded with extension, the other end of extension is threaded with the rod end being connected screw rod, connect screw rod and include first, second screw thread bar segment, it is provided with step bars between first screw thread bar segment and the second screw thread bar segment, first screw thread bar segment is connected with cable terminal casing threads, second screw thread bar segment is set in the through hole of wire bus-bar, it is provided with clamp nut in two screw thread bar segment, described earth lead electrically connects with one end of wire bus-bar.
Three cable termination head casing tube vertical spacings are arranged, the plate length direction of wire bus-bar is vertical, described through hole is bar hole and length direction level, threaded with wire bus-bar in the one end extending screw rod, the other end extending screw rod is threadeded with extension, the other end of extension is threaded with the rod end being connected screw rod, connect screw rod and include first, second screw thread bar segment, it is provided with step bars between first screw thread bar segment and the second screw thread bar segment, first screw thread bar segment is connected with cable terminal casing threads, second screw thread bar segment is set in the through hole of wire bus-bar, it is provided with clamp nut in two screw thread bar segment, described earth lead electrically connects with the lower end of wire bus-bar.
Described earth lead includes wire, insulating sheath it is wrapped with outside wire, the two ends of wire are crimped with wiring copper nose, and the wiring copper nose of wire one end is bolted connection with wire bus-bar, and the wiring copper nose of the wire other end and earthing clamp are fastenedly connected by installing bolt.
Described earthing clamp includes, for the card adapter plate with the earth conductor clamping within pile or ring main unit, described card adapter plate being provided with bayonet socket, and card adapter plate is provided with fastening bolt, and fastening bolt is threadeded with card adapter plate composition and rod end stretches in bayonet socket.
Compared with prior art, the technique effect that this utility model possesses is: by wire bus-bar, earthing clamp is directly connected at setting elbow-type cable termination head casing tube and earth conductor in ring main unit, wire bus-bar is bar tabular, and extension screw rod is set at cable termination head casing tube, thus realize the extension to cable terminal sleeve pipe horizontal direction, it is easy to logical bar plate-shaped bus bar being directly anchored in ring main unit on elbow-type cable termination head casing tube, avoid the interference that wire bus-bar is installed by ring main unit other structures interior, thus conveniently realize the ground connection operation of ring main unit, and then achieve totally-enclosed, the operation of ground connection on the spot of all insulation formula ring main unit off interval, guarantee the personal safety of maintainer at operation interval.
Accompanying drawing explanation
Fig. 1 is the structural representation of combination type ring main unit earthing mechanism wire bus-bar；
Fig. 2 is the structural representation that combination type ring main unit earthing mechanism connects screw rod；
Fig. 3 is the structural representation of combination type ring main unit earthing mechanism earthing clamp；
Fig. 4 is the structural representation of combination type ring main unit earthing mechanism earth lead；
Fig. 5 a and Fig. 5 b is two kinds of structural representations of combination type ring main unit earthing mechanism embodiment one；
Fig. 6 a and Fig. 6 b is two kinds of structural representations of combination type ring main unit earthing mechanism embodiment two；
Detailed description of the invention
In conjunction with Fig. 1 to Fig. 6 b, the utility model is further described:
Combination type ring main unit earthing mechanism, including the wire bus-bar 20 for electrically connecting with ring main unit cable termination head casing tube 10, one end of wire bus-bar 20 electrically connects with one end of earth lead 30, the other end of earth lead 30 electrically connects with earthing clamp 40, earth conductor within ground stud that earthing clamp 40 is arranged with ground, ring main unit place or ring main unit electrically connects, ring main unit cable termination head casing tube 10 is arranged at intervals with three, wire bus-bar 20 is strip of sheet, the through hole 21 being connected with cable termination head casing tube 10 it is provided with on wire bus-bar 20, extension screw rod 50 it is provided with in cable termination head casing tube 10, extend screw rod 50 bar length direction level, wire bus-bar 20 is connected with the elongated end extending screw rod 50.
By wire bus-bar 20, earthing clamp 40 is directly connected at setting elbow-type cable termination head casing tube 10 and earth conductor in ring main unit, wire bus-bar 20 is in bar tabular, and extension screw rod 50 is set at cable termination head casing tube 10, thus realize the extension to cable termination head casing tube 10 horizontal direction, it is easy to logical bar plate-shaped bus bar 20 being directly anchored in ring main unit on elbow-type cable termination head casing tube 10, avoid the interference that wire bus-bar 20 is installed by ring main unit other structures interior, thus conveniently realize the ground connection operation of ring main unit, and then achieve totally-enclosed, the operation of ground connection on the spot of all insulation formula ring main unit off interval, guarantee the personal safety of maintainer at operation interval.
Implement specific embodiment below in conjunction with two, this utility model be further explained:
nullIn conjunction with Fig. 5 a and Fig. 5 b，As embodiment one of the present utility model，Three cable termination head casing tubes 10 are horizontally spaced about，The plate length direction level of wire bus-bar 20，Described through hole 21 is bar hole and length direction level，Threaded with wire bus-bar 20 in the one end extending screw rod 50，The other end extending screw rod 50 is threadeded with extension 60，The other end of extension 60 is threaded with the rod end being connected screw rod 70，Connect screw rod 70 and include first、Second screw thread bar segment 71、72，It is provided with step bars 73 between first screw thread bar segment 71 and the second screw thread bar segment 72，First screw thread bar segment 71 is threadeded with cable termination head casing tube 10，Second screw thread bar segment 72 is set in the through hole 21 of wire bus-bar 20，It is provided with clamp nut 74 in two screw thread bar segment 72，Described earth lead 30 electrically connects with one end of wire bus-bar 20；
nullAbove-mentioned earthing mechanism is in ground connection operating process，First earth lead 30 is connected with earthing clamp 40，Then will extend on screw rod 50 and ring main unit cable termination head casing tube 10，It is fixed on extension screw rod 50 by extension 60，Connecting bolt 70 is fixed in one end of extension 60，The through hole 21 of wire bus-bar 20 is set in the first screw thread bar segment 71 of connecting bolt 70，Then the second screw thread bar segment 72 reconnecting bolt 70 arranges clamp nut 74，Thus wire bus-bar 20 is fixed up，The ground connection operation connecting bolt 70 realizing ring main unit uses bidirectional helical bar structure，And step bars 73 is set in the middle of connecting bolt 70，It is achieved thereby that wire bus-bar 20 and extension 60 are spacing，The convenient pipe end that wire bus-bar 20 is fixed on extension 60，And fixed form is simple、Reliably.
nullIn conjunction with Fig. 6 a and Fig. 6 b，As embodiment one of the present utility model，Owing to ring main unit cable termination head casing tube 10 position relation exists different situation，Three or three cable termination head casing tube 10 vertical spacings are arranged，The plate length direction of wire bus-bar 20 is vertical，Described through hole 21 is bar hole and length direction level，Threaded with wire bus-bar 20 in the one end extending screw rod 50，The other end extending screw rod 50 is threadeded with extension 60，The other end of extension 60 is threaded with the rod end being connected screw rod 70，Connect screw rod 70 and include first、Second screw thread bar segment 71、72，It is provided with step bars 73 between first screw thread bar segment 71 and the second screw thread bar segment 72，First screw thread bar segment 71 is threadeded with cable termination head casing tube 10，Second screw thread bar segment 72 is set in the through hole 21 of wire bus-bar 20，It is provided with clamp nut 74 in two screw thread bar segment 72，Described earth lead 30 electrically connects with the lower end of wire bus-bar 20.
nullSimilarly，Above-mentioned earthing mechanism is in ground connection operating process，First earth lead 30 is connected with earthing clamp 40，Then will extend on screw rod 50 and ring main unit cable termination head casing tube 10，It is fixed on extension screw rod 50 by extension 60，Connecting bolt 70 is fixed in one end of extension 60，The through hole 21 of wire bus-bar 20 is set in the first screw thread bar segment 71 of connecting bolt 70，Then the second screw thread bar segment 72 reconnecting bolt 70 arranges clamp nut 74，Thus wire bus-bar 20 is fixed up，The ground connection operation connecting bolt 70 realizing ring main unit uses bidirectional helical bar structure，And step bars 73 is set in the middle of connecting bolt 70，It is achieved thereby that wire bus-bar 20 and extension 60 are spacing，The convenient pipe end that wire bus-bar 20 is fixed on extension 60，And fixed form is simple、Reliably.
Shown in Fig. 4, Fig. 5 a, Fig. 6 b, described earth lead 30 includes wire 31, insulating sheath 32 it is wrapped with outside wire 31, the two ends of wire 31 are crimped with wiring copper nose 33, the wiring copper nose 33 of wire 31 one end is bolted connection with wire bus-bar 20, and the wiring copper nose 33 of wire 31 other end and earthing clamp 40 are fastenedly connected by installing bolt 34.The wiring copper nose 33 of wire 31 other end and earthing clamp 40 are fastenedly connected by installing bolt 34, wire 31 uses that multiply high-quality annealed copper wire is stranded to be formed, and it is cladded with transparent insulation sheath 32 soft, resistant to elevated temperatures, wiring copper nose 33 uses, with wire 31 and insulating sheath 32, the compression joint technique that is flexible coupling, when can be effectively prevented use, junction copper cash breaks stock, improves reliability and the service life of earth lead.
More specifically, described earthing clamp 40 includes for the card adapter plate 41 with the earth conductor clamping within pile or ring main unit, being provided with bayonet socket in described card adapter plate 41, card adapter plate 41 is provided with fastening bolt 42, fastening bolt 42 is constituted with card adapter plate 41 threadeds and rod end stretches in bayonet socket.Described earthing clamp 40 uses fine aluminum alloy die cast to form, and the securing member metal supporting with it is all through Nickel Plating Treatment, and earthing clamp 40 uses plain end screw compression type technique to connect ring main unit earth conductor.Plain end screw type compress mode can flexible adaptation operation field all kinds of earth conductor situation, such as ring main unit cabinet door, cable branch box ground connection band iron etc., ground connection can be fixedly secured.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (5)
- null1. combination type ring main unit earthing mechanism，It is characterized in that: include the wire bus-bar (20) for electrically connecting with ring main unit cable termination head casing tube (10)，One end of wire bus-bar (20) electrically connects with one end of earth lead (30)，The other end of earth lead (30) electrically connects with earthing clamp (40)，Earth conductor within ground stud that earthing clamp (40) is arranged with ground, ring main unit place or ring main unit electrically connects，Ring main unit cable termination head casing tube (10) is arranged at intervals with three，Wire bus-bar (20) is strip of sheet，The through hole (21) being connected with cable termination head casing tube (10) it is provided with on wire bus-bar (20)，Extension screw rod (50) it is provided with in cable termination head casing tube (10)，Extend screw rod (50) bar length direction level，Wire bus-bar (20) is connected with the elongated end extending screw rod (50).
- nullCombination type ring main unit earthing mechanism the most according to claim 1，It is characterized in that: three cable termination head casing tubes (10) are horizontally spaced about，The plate length direction level of wire bus-bar (20)，Described through hole (21) is bar hole and length direction level，Threaded with wire bus-bar (20) in the one end extending screw rod (50)，The other end extending screw rod (50) is threadeded with extension (60)，The other end of extension (60) is threaded with the rod end being connected screw rod (70)，Connect screw rod (70) and include first、Second screw thread bar segment (71、72)，It is provided with step bars (73) between first screw thread bar segment (71) and the second screw thread bar segment (72)，First screw thread bar segment (71) is threadeded with cable termination head casing tube (10)，Second screw thread bar segment (72) is set in the through hole (21) of wire bus-bar (20)，It is provided with clamp nut (74) in two screw thread bar segment (72)，Described earth lead (30) electrically connects with one end of wire bus-bar (20).
- nullCombination type ring main unit earthing mechanism the most according to claim 2，It is characterized in that: three cable termination head casing tube (10) vertical spacings are arranged，The plate length direction of wire bus-bar (20) is vertical，Described through hole (21) is bar hole and length direction level，Threaded with wire bus-bar (20) in the one end extending screw rod (50)，The other end extending screw rod (50) is threadeded with extension (60)，The other end of extension (60) is threaded with the rod end being connected screw rod (70)，Connect screw rod (70) and include first、Second screw thread bar segment (71、72)，It is provided with step bars (73) between first screw thread bar segment (71) and the second screw thread bar segment (72)，First screw thread bar segment (71) is threadeded with cable termination head casing tube (10)，Second screw thread bar segment (72) is set in the through hole (21) of wire bus-bar (20)，It is provided with clamp nut (74) in two screw thread bar segment (72)，Described earth lead (30) electrically connects with the lower end of wire bus-bar (20).
- 4. according to the combination type ring main unit earthing mechanism described in claims 1 to 3 any one, it is characterized in that: described earth lead (30) includes wire (31), insulating sheath (32) it is wrapped with outside wire (31), the two ends of wire (31) are crimped with wiring copper nose (33), wiring copper nose (33) of wire (31) one end is bolted connection with wire bus-bar (20), and wiring copper nose (33) of wire (31) other end and earthing clamp (40) are fastenedly connected by installing bolt (34).
- Combination type ring main unit earthing mechanism the most according to claim 4, it is characterized in that: described earthing clamp (40) includes for the card adapter plate (41) with the earth conductor clamping within pile or ring main unit, described card adapter plate is provided with bayonet socket on (41), being provided with fastening bolt (42) in card adapter plate (41), fastening bolt (42) is constituted with card adapter plate (41) threadeds and rod end stretches in bayonet socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620509475.8U CN205646449U (en) | 2016-05-30 | 2016-05-30 | Modular looped netowrk cabinet ground connection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620509475.8U CN205646449U (en) | 2016-05-30 | 2016-05-30 | Modular looped netowrk cabinet ground connection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205646449U true CN205646449U (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620509475.8U Expired - Fee Related CN205646449U (en) | 2016-05-30 | 2016-05-30 | Modular looped netowrk cabinet ground connection mechanism |
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| CN (1) | CN205646449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397913A (en) * | 2020-09-23 | 2021-02-23 | 贵州电网有限责任公司 | Novel close looks formula combination earth connection device |
-
2016
- 2016-05-30 CN CN201620509475.8U patent/CN205646449U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397913A (en) * | 2020-09-23 | 2021-02-23 | 贵州电网有限责任公司 | Novel close looks formula combination earth connection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |