CN205303287U - A static contact structure for perpendicular telescopic isolator of single -column - Google Patents
A static contact structure for perpendicular telescopic isolator of single -column Download PDFInfo
- Publication number
- CN205303287U CN205303287U CN201620014029.XU CN201620014029U CN205303287U CN 205303287 U CN205303287 U CN 205303287U CN 201620014029 U CN201620014029 U CN 201620014029U CN 205303287 U CN205303287 U CN 205303287U
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- Prior art keywords
- anchor ear
- static contact
- steel
- contact structure
- copper
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Abstract
The utility model discloses a static contact structure for perpendicular telescopic isolator of single -column, including the staple bolt, and be fixed in the cross arm of staple bolt below, and the aluminum wire that is fixed in the cross arm both sides presss from both sides, and with the aluminium conductors (cable) steel -reinforced of aluminum wire clamp through crimp connection, and pass through the conducting rod of copper aluminium transition fastener equipment with aluminium conductors (cable) steel -reinforced, the staple bolt comprises first one of staple bolt and staple bolt lower half, the staple bolt lower half is fixed in in the middle of the cross arm. The utility model discloses a static contact structure for perpendicular telescopic isolator of single -column practices thrift the electric energy, improves electric power transmission stability and security, improves product life.
Description
Technical field
This utility model relates to a kind of static contact structure isolating switch, is specifically related to a kind of static contact structure for the telescopic isolation switch of single-pole vertical, belongs to electrical equipment technical field.
Background technology
In high voltage power transmission and transforming, often requiring that, with isolation switch, from a bus transmission system, load current is transformed into another bus transmission system, this mode of operation requires that isolation switch must have the ability of opening-closing bus switching current. Under normal circumstances, being provided with moving contact on movable feeler lever, stationary contact bar is provided with static contact, when closing a floodgate, movable feeler lever relatively rotates clamping stationary contact bar, contacting, with stationary contact bar, the function realizing switching current, when separating brake, movable feeler lever rotates separately to separate with stationary contact bar realize power-off relative to what deviates from. But, in isolation switch running, switch touching refers to that lap-joint, Bao Jia lap-joint are frequently present of overheating defect, and the safe operation of isolation switch is caused grave danger.
Utility model content
(1) to solve the technical problem that
For solving the problems referred to above, the utility model proposes a kind of static contact structure for the telescopic isolation switch of single-pole vertical, saves energy, improve power transmission stability and safety, improve life of product.
(2) technical scheme
Static contact structure for the telescopic isolation switch of single-pole vertical of the present utility model, including anchor ear, and it is fixed on the cross-arm below anchor ear, and it is fixed on the aluminum wire clamp of cross-arm both sides, and the steel-cored aluminium strand being connected by crimp with aluminum wire clamp, and the conducting rod assembled by copper-aluminium transition wire clip with steel-cored aluminium strand; Described anchor ear is made up of the anchor ear first half and anchor ear lower half; Described anchor ear lower half is fixed in the middle of cross-arm.
Further, the described anchor ear first half and anchor ear lower half are all in semicircle shape structure.
Further, described aluminum wire clamp is made up of the fixed part being made into integration and wire connecting portion; Described fixed part offers multiple bolt hole; Described fixed part is fixed on below cross-arm by fastening bolt; Described wire connecting portion is connected with steel-cored aluminium strand.
Further, described conducting rod is in sealing structure, and its two ends are arranged all external screw thread; Described copper-aluminium transition wire clip is internally provided with female thread; Described conducting rod is threadeded with copper-aluminium transition wire clip.
Further, described steel-cored aluminium strand one end is connected with wire connecting portion one end, and the described steel-cored aluminium strand other end is connected through copper-aluminium transition wire clip with the wire connecting portion other end.
Yet further, described steel-cored aluminium strand is connected with copper-aluminium transition wire clip crimping.
(3) beneficial effect
Compared with prior art, this utility model, for the static contact structure of the telescopic isolation switch of single-pole vertical, saves energy, improves power transmission stability and safety, improves life of product. Effect is mainly in the following aspects: 1. cross-arm adopts compression joint type aluminum wire clamp to be connected with steel-cored aluminium strand, it is prevented that dust, and corrosive medium enters the real contact area increased between cross-arm; 2. steel-cored aluminium strand and conducting rod are connected by copper-aluminium transition wire clip and are attached, reduce bolt junction point, bolt is avoided to connect the corrosion caused, the factors such as mechanical vibration, differential thermal expansion, load relaxation can cause bolt pretightening to reduce, real contact area is not enough, increase contact resistance, and reduce the corrosion of different metal interface, it is to avoid between different metal, produce differential thermal expansion; 3. conducting rod adopts and seals structure, improves its service life; 4. it is coated with protective material in all junctions, prevent the medium such as rainwater, dust from entering oxide etch, electrochemical corrosion etc. that contact site causes, increases effective contact area, reduces contact resistance, play certain lubrication and cushioning effect, it is to avoid the damage that vibration causes.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of aluminum wire clamp of the present utility model;
Fig. 3 is the structural representation of copper-aluminium transition wire clip of the present utility model;
Fig. 4 is the sectional structure schematic diagram of copper-aluminium transition wire clip of the present utility model.
Parts in accompanying drawing are labeled as: the 1-anchor ear first half, 2-anchor ear lower half, 3-cross-arm, 4-aluminum wire clamp, 5-steel-cored aluminium strand, 6-conducting rod, 7-copper-aluminium transition wire clip, 8-fixed part, 9-wire connecting portion, 10-bolt hole, and 11-fastens bolt, 12-female thread.
Detailed description of the invention
The static contact structure for the telescopic isolation switch of single-pole vertical as shown in Figure 1 to Figure 3, including anchor ear, and it is fixed on the cross-arm 3 below anchor ear, and it is fixed on the aluminum wire clamp 4 of cross-arm 3 both sides, and the steel-cored aluminium strand 5 being connected by crimp with aluminum wire clamp 4, and the conducting rod 6 assembled by copper-aluminium transition wire clip 7 with steel-cored aluminium strand 5; Described anchor ear is made up of the anchor ear first half 1 and anchor ear lower half 2; Described anchor ear lower half 2 is fixed in the middle of cross-arm 3.
The described anchor ear first half 1 and anchor ear lower half 2 are all in semicircle shape structure.
Described aluminum wire clamp 4 is made up of the fixed part 8 being made into integration and wire connecting portion 9; Described fixed part 8 offers multiple bolt hole 10; Described fixed part 8 is fixed on below cross-arm 3 by fastening bolt 11; Described wire connecting portion 9 is connected with steel-cored aluminium strand 5.
Described conducting rod 6 is in sealing structure, and its two ends are arranged all external screw thread; Described copper-aluminium transition wire clip 7 is internally provided with female thread 12; Described conducting rod 6 is threadeded with copper-aluminium transition wire clip 7.
Described steel-cored aluminium strand 5 one end is connected with wire connecting portion 9 one end, and described steel-cored aluminium strand 9 other end is connected through copper-aluminium transition wire clip 7 with wire connecting portion 9 other end.
Described steel-cored aluminium strand 5 is connected with copper-aluminium transition wire clip 7 crimping.
This utility model, for the static contact structure of the telescopic isolation switch of single-pole vertical, saves energy, improves power transmission stability and safety, improves life of product. Effect is mainly in the following aspects: 1. cross-arm adopts compression joint type aluminum wire clamp to be connected with steel-cored aluminium strand, it is prevented that dust, and corrosive medium enters the real contact area increased between cross-arm; 2. steel-cored aluminium strand and conducting rod are connected by copper-aluminium transition wire clip and are attached, reduce bolt junction point, bolt is avoided to connect the corrosion caused, the factors such as mechanical vibration, differential thermal expansion, load relaxation can cause bolt pretightening to reduce, real contact area is not enough, increase contact resistance, and reduce the corrosion of different metal interface, it is to avoid between different metal, produce differential thermal expansion; 3. conducting rod adopts and seals structure, improves its service life; 4. it is coated with protective material in all junctions, prevent the medium such as rainwater, dust from entering oxide etch, electrochemical corrosion etc. that contact site causes, increases effective contact area, reduces contact resistance, play certain lubrication and cushioning effect, it is to avoid the damage that vibration causes.
Embodiment described above is only that preferred implementation of the present utility model is described, and not design of the present utility model and scope is defined.Under the premise without departing from this utility model design concept; various modification that the technical solution of the utility model is made by this area ordinary person and improvement; protection domain of the present utility model all should be dropped into; the technology contents that this utility model is claimed, all records in detail in the claims.
Claims (6)
1. the static contact structure for the telescopic isolation switch of single-pole vertical, it is characterized in that: include anchor ear, and it is fixed on the cross-arm below anchor ear, and it is fixed on the aluminum wire clamp of cross-arm both sides, and the steel-cored aluminium strand being connected by crimp with aluminum wire clamp, and the conducting rod assembled by copper-aluminium transition wire clip with steel-cored aluminium strand; Described anchor ear is made up of the anchor ear first half and anchor ear lower half; Described anchor ear lower half is fixed in the middle of cross-arm.
2. the static contact structure for the telescopic isolation switch of single-pole vertical according to claim 1, it is characterised in that: the described anchor ear first half and anchor ear lower half are all in semicircle shape structure.
3. the static contact structure for the telescopic isolation switch of single-pole vertical according to claim 1, it is characterised in that: described aluminum wire clamp is made up of the fixed part being made into integration and wire connecting portion; Described fixed part offers multiple bolt hole; Described fixed part is fixed on below cross-arm by fastening bolt; Described wire connecting portion is connected with steel-cored aluminium strand.
4. the static contact structure for the telescopic isolation switch of single-pole vertical according to claim 1, it is characterised in that: described conducting rod is in sealing structure, and its two ends are arranged all external screw thread; Described copper-aluminium transition wire clip is internally provided with female thread; Described conducting rod is threadeded with copper-aluminium transition wire clip.
5. the static contact structure for the telescopic isolation switch of single-pole vertical according to claim 1, it is characterized in that: described steel-cored aluminium strand one end is connected with wire connecting portion one end, the described steel-cored aluminium strand other end is connected through copper-aluminium transition wire clip with the wire connecting portion other end.
6. according to claim 1 or 5 for the static contact structure of the telescopic isolation switch of single-pole vertical, it is characterised in that: described steel-cored aluminium strand is connected with copper-aluminium transition wire clip crimping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620014029.XU CN205303287U (en) | 2016-01-08 | 2016-01-08 | A static contact structure for perpendicular telescopic isolator of single -column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620014029.XU CN205303287U (en) | 2016-01-08 | 2016-01-08 | A static contact structure for perpendicular telescopic isolator of single -column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205303287U true CN205303287U (en) | 2016-06-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620014029.XU Expired - Fee Related CN205303287U (en) | 2016-01-08 | 2016-01-08 | A static contact structure for perpendicular telescopic isolator of single -column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205303287U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036939A (en) * | 2018-10-13 | 2018-12-18 | 国网湖北省电力有限公司随州供电公司 | A kind of high_voltage isolation static contact for tubular bus |
| CN111521873A (en) * | 2020-05-11 | 2020-08-11 | 广东电网有限责任公司 | GW16 type isolating switch loop resistance and measuring method thereof |
-
2016
- 2016-01-08 CN CN201620014029.XU patent/CN205303287U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036939A (en) * | 2018-10-13 | 2018-12-18 | 国网湖北省电力有限公司随州供电公司 | A kind of high_voltage isolation static contact for tubular bus |
| CN111521873A (en) * | 2020-05-11 | 2020-08-11 | 广东电网有限责任公司 | GW16 type isolating switch loop resistance and measuring method thereof |
| CN111521873B (en) * | 2020-05-11 | 2022-05-17 | 广东电网有限责任公司 | Method for measuring loop resistance of GW16 type disconnecting switch static contact |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160831 Address after: 050031 Hebei city of Shijiazhuang province Changan District Jianming Road No. 16 Xin water garden business building A block, room -206 Patentee after: Jebsen Building Decoration Engineering Company Limited Address before: 050043 Hebei province Shijiazhuang North Second Ring Road No. 17 Patentee before: Shijiazhuang Tiedao University |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20170108 |