CN205542534U - Switch static contact structure - Google Patents
Switch static contact structure Download PDFInfo
- Publication number
- CN205542534U CN205542534U CN201620308954.3U CN201620308954U CN205542534U CN 205542534 U CN205542534 U CN 205542534U CN 201620308954 U CN201620308954 U CN 201620308954U CN 205542534 U CN205542534 U CN 205542534U
- Authority
- CN
- China
- Prior art keywords
- head rod
- stationary contact
- contact head
- line wire
- switch fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003068 static effect Effects 0.000 title abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 235000006708 antioxidants Nutrition 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses a switch static contact structure. Its structure: the generating line passes through the bolt clamping between double -layered tight boss of going up of current conducting plate middle part and generating line fastener, the stationary contact head rod passes through the bolt clamping between left stationary contact head rod fastener and right stationary contact head rod fastener, and stationary contact head rod and current conducting plate looks parallel arrangement, an at least left line wire passes through the bolt clamping and presss from both sides between tight piece and the left stationary contact head rod fastener in a left side, and form the confined annular with left line wire, an at least right line wire passes through the bolt clamping and presss from both sides between tight piece and the right stationary contact head rod fastener in the right side, and form the confined annular with right line wire. The utility model is simple and reasonable in structure, the equipment debugging is convenient. Increase current -carrying part area of contact effectively reduces contact resistance, effectively reduces contact resistance. And strengthen electric conductive property, it is anti -oxidant, make the conductive contact effect better. The efficiency of is improved, alleviate the manual labor of heavy high altitude, reduced personnel's operating risk, guaranteed the power supply of the safe and reliable of system.
Description
Technical field
This utility model relates to a kind of static contact structure, especially relates to a kind of switch fixed contact structure.Belong to field of power.
Background technology
In transformer station, GW16 type disconnecting link is widely used, usage amount is bigger, it it is the disconnecting link of a kind of vertical-fracture form, along with the growth of operation hours is affected by the surrounding environment, as industrial gas emission pollutes, particularly chemical emission exhaust emission, salt-alkali contaminated corrosion, long oxidation corrosion etc., make disconnecting link each conductive contact surfaces that oxidation corrosion easily occur, increase to making contact resistance, cause disconnecting link be in operation generation overheated, in recent years, switch fixed contact is conductively connected part oxidation superheating phenomenon and happens occasionally, find mostly to aoxidize for conductive contact surfaces through strip inspection, connecting bolt loosens.Owing to switch fixed contact is on equipment bus, interruption maintenance number of times is relatively fewer.Therefore, the safe and reliable operation of static contact seems particularly significant to the safety and stability of electrical network.
Along with the development of power system, the requirement to the quality powered, the reliability of power supply is the highest.The chance that equipment has a power failure is fewer and feweri, power off time is the most shorter and shorter.Thoroughly solve loaded down with trivial details grid switching operation, dangerous, heavy manpower work high above the ground, it is ensured that system safety operation, guarantee equipment and personal security are the task of top priority, be also to perplex staff and need problem demanding prompt solution.
Summary of the invention
This utility model is contemplated to solve above-mentioned technical problem, and a kind of stationary contact head rod cable clamp structure provided, reach to efficiently solve GW16 type switch fixed contact and be conductively connected a difficult problem for part easily heating, and simple in construction, cheap a kind of switch fixed contact structure.
The technical solution adopted in the utility model is: a kind of switch fixed contact structure, its structure is as follows: bus is fixed between upper clamping boss and the bus wire clamp in the middle part of conductive plate by bolt clip, stationary contact head rod is fixed between left stationary contact head rod wire clamp and right stationary contact head rod wire clamp by bolt clip, and stationary contact head rod parallels setting with conductive plate, at least left line wire is fixed between left clamping block and left stationary contact head rod wire clamp by bolt clip, and left line wire is formed the annular closed, at least right line wire is fixed between right clamping block and right stationary contact head rod wire clamp by bolt clip, and right line wire is formed the annular closed.
The described adapting position between upper clamping boss and bus wire clamp is arranged with the arcuate groove of fixing bus.
Described left and right stationary contact head rod wire clamp is formed by train wheel bridge and lower plate.
Adapting position between described train wheel bridge and lower plate is arranged with the arcuate groove of fixing left or right line wire.
Described left and right clamping block is formed by lower clamping boss and the clamping plate of the left and right end of conductive plate.
The described adapting position between lower clamping boss and clamping plate is arranged with the arcuate groove of fixing left or right line wire.
Described arcuate groove is the most laterally perpendicular to conductive plate length direction and arranges.
Described left or right line wire is LGJ240mm2Steel-cored aluminium strand, it is wound around the number of turns and is set by disconnecting link conduction rated current.
The hollow copper tubing that described stationary contact head rod uses conductive contact surfaces silver-plated is made.
This utility model compared with prior art has the advantage that owing to using said structure
A kind of switch fixed contact structure of the present utility model, its static contact material is light excellent, simple and reasonable for structure, and assembly and adjustment is convenient.Optimize stationary contact head rod and the connection being connected between wire, increase conductive portions contact area, effectively reduce contact resistance；The connection simultaneously also optimize conductive plate and bus, being connected between wire, effectively reduces contact resistance.Each patch panel conductive contact surfaces processes through specific coatings, strengthens electric conductivity, antioxidation, makes conductive contact effect more preferable.This utility model is greatly reduced switch fixed contact current-carrying part and the occurrence probability of thermal oxide, scaling loss occurred, eliminate safe hidden trouble, time-consuming with cost, improve efficiency, alleviate heavy high-altitude physical work, reduction personnel's operating risk, ensure security of system reliable power supply, there is preferable economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of this utility model a kind of switch fixed contact structure；
Fig. 2 is the left view structural representation of this utility model a kind of switch fixed contact structure；
Fig. 3 is the main TV structure schematic diagram of this utility model left and right stationary contact head rod wire clamp profile；
Fig. 4 is the left view structural representation of this utility model Fig. 3 left and right stationary contact head rod wire clamp.
In figure: bus 1, bus wire clamp 2, upper clamping boss 3, conductive plate 4, right clamping block 5, lower clamping boss 6, clamping plate 7, right line wire 8, train wheel bridge 9, lower plate 10, right stationary contact head rod wire clamp 11, stationary contact head rod 12, left stationary contact head rod wire clamp 13, left line wire 14, left clamping block 15.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in further detail, but protection domain of the present utility model is not limited by specific embodiment institute, is as the criterion with claims.It addition, with on the premise of technical solutions of the utility model, within any change that the those of ordinary skill in the art being made this utility model easily realize or change fall within right of the present utility model.
Embodiment 1
Such as Fig. 1, 2, 3, this utility model one switch fixed contact structure shown in 4, its structure is as follows: bus 1 is fixed between upper clamping boss 3 and the bus wire clamp 2 in the middle part of conductive plate 4 by bolt clip, stationary contact head rod 12 is fixed between left stationary contact head rod wire clamp 13 and right stationary contact head rod wire clamp 11 by bolt clip, and stationary contact head rod 12 parallels setting with conductive plate 4, at least left line wire 14 is fixed between left clamping block 15 and left stationary contact head rod wire clamp 13 by bolt clip, and left line wire 14 is formed the annular of closing, at least right line wire 8 is fixed between right clamping block 5 and right stationary contact head rod wire clamp 11 by bolt clip, and right line wire 8 is formed the annular of closing.
The above-mentioned adapting position between upper clamping boss and bus wire clamp is arranged with the arcuate groove of fixing bus.
Above-mentioned left and right stationary contact head rod wire clamp is formed by train wheel bridge and lower plate.
Between above-mentioned train wheel bridge and lower plate, positional symmetry in the middle part of stationary contact head rod one end is provided with the circular arc of fixing stationary contact head rod, and the size of this circular arc is suitable with the external diameter of stationary contact head rod.
Between above-mentioned train wheel bridge and lower plate, adapting position away from stationary contact head rod one end is arranged with the arcuate groove of fixing left or right line wire, and the size of this arcuate groove is suitable with the external diameter of left or right line wire.
Above-mentioned left and right clamping block is formed by lower clamping boss and the clamping plate of the left and right end of conductive plate.
The above-mentioned adapting position between lower clamping boss and clamping plate is arranged with the arcuate groove of fixing left or right line wire, and the size of this arcuate groove is suitable with the external diameter of left or right line wire.
Above-mentioned arcuate groove is the most laterally perpendicular to conductive plate length direction and arranges.
Above-mentioned left or right line wire is LGJ240mm2Steel-cored aluminium strand, it is wound around the number of turns and is set by disconnecting link conduction rated current.
The hollow copper tubing that above-mentioned stationary contact head rod uses conductive contact surfaces silver-plated is made.
Spot effect example
This utility model one switch fixed contact structure, in the 1 group of GW16-252 disconnecting link overhaul of Dashiqiao 220 kv substation, longer owing to running the time limit, ageing equipment is serious, switch fixed contact generation superheating phenomenon is the most frequent, the former GW16-252 switch fixed contact disassembled is being carried out strip inspection, is finding that the oxidation of each wire clamp conductive contact surfaces is serious.Being overhauled by this, former switch fixed contact is all replaced by this utility model switch fixed contact structure, and after installation, testing inspection data are good, and later stage operations staff's tracing detection all goes well, and thoroughly improves switch fixed contact and runs defective mode, it is ensured that power supply reliability.
This utility model simple structure, rationally, practical, effect is obvious, is especially advantageous for power domain popularization and application.
Claims (10)
1. a switch fixed contact structure, it is characterized in that structure is as follows: bus (1) is fixed between upper clamping boss (3) and the bus wire clamp (2) at conductive plate (4) middle part by bolt clip, stationary contact head rod (12) is fixed between left stationary contact head rod wire clamp (13) and right stationary contact head rod wire clamp (11) by bolt clip, and stationary contact head rod (12) parallels setting with conductive plate (4), at least left line wire (14) is fixed between left clamping block (15) and left stationary contact head rod wire clamp (13) by bolt clip, and left line wire (14) is formed the annular closed, at least right line wire (8) is fixed between right clamping block (5) and right stationary contact head rod wire clamp (11) by bolt clip, and right line wire (8) is formed the annular closed.
A kind of switch fixed contact structure the most according to claim 1, it is characterised in that the described adapting position between upper clamping boss (3) and bus wire clamp (2) is arranged with the arcuate groove of fixing bus (1).
A kind of switch fixed contact structure the most according to claim 1, it is characterised in that described left and right stationary contact head rod wire clamp (13,11) is formed by train wheel bridge (9) and lower plate (10).
A kind of switch fixed contact structure the most according to claim 3, it is characterized in that between described train wheel bridge (9) and lower plate (10) that the positional symmetry in the middle part of stationary contact head rod (12) one end is provided with the circular arc of fixing stationary contact head rod (12), and the size of this circular arc is suitable with the external diameter of stationary contact head rod (12).
A kind of switch fixed contact structure the most according to claim 3, it is characterized in that between described train wheel bridge (9) and lower plate (10) that the adapting position away from stationary contact head rod (12) one end is arranged with the arcuate groove of fixing left or right line wire (14,8), and the size of this arcuate groove is suitable with the external diameter of left or right line wire (14,8).
A kind of switch fixed contact structure the most according to claim 1, it is characterised in that described left and right clamping block (15,5) is formed by lower clamping boss (6) and the clamping plate (7) of the left and right end of conductive plate (4).
A kind of switch fixed contact structure the most according to claim 6, it is characterized in that the adapting position between described lower clamping boss (6) and clamping plate (7) is arranged with the arcuate groove of fixing left or right line wire (14,8), and the size of this arcuate groove is suitable with the external diameter of left or right line wire (14,8).
8. according to a kind of switch fixed contact structure described in claim 2,5 or 7, it is characterised in that described arcuate groove is the most laterally perpendicular to conductive plate (4) length direction and arranges.
9. according to a kind of switch fixed contact structure described in claim 1,5 or 7, it is characterised in that described left or right line wire (14,8) is LGJ240mm2
Steel-cored aluminium strand, it is wound around the number of turns and is set by disconnecting link conduction rated current.
10. according to a kind of switch fixed contact structure described in claim 1,4 or 5, it is characterised in that the hollow copper tubing that described stationary contact head rod (12) uses conductive contact surfaces silver-plated is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620308954.3U CN205542534U (en) | 2016-04-14 | 2016-04-14 | Switch static contact structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620308954.3U CN205542534U (en) | 2016-04-14 | 2016-04-14 | Switch static contact structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205542534U true CN205542534U (en) | 2016-08-31 |
Family
ID=56791886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620308954.3U Active CN205542534U (en) | 2016-04-14 | 2016-04-14 | Switch static contact structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205542534U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107301929A (en) * | 2016-04-14 | 2017-10-27 | 国网辽宁省电力有限公司营口供电公司 | A kind of switch fixed contact structure |
| CN109647094A (en) * | 2019-02-21 | 2019-04-19 | 温岭市松门超达机械配件厂 | A kind of dust collector of water curtain being machined dust |
-
2016
- 2016-04-14 CN CN201620308954.3U patent/CN205542534U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107301929A (en) * | 2016-04-14 | 2017-10-27 | 国网辽宁省电力有限公司营口供电公司 | A kind of switch fixed contact structure |
| CN109647094A (en) * | 2019-02-21 | 2019-04-19 | 温岭市松门超达机械配件厂 | A kind of dust collector of water curtain being machined dust |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205542534U (en) | Switch static contact structure | |
| CN205723294U (en) | A kind of Novel bunk pressure disconnecting switch | |
| CN104638770A (en) | Substation monitoring system | |
| CN205724749U (en) | The wall bushing that a kind of dirt exclusion capabilities is strong | |
| CN205231570U (en) | Transformer substation generates heat and connects electrified scarce device that disappears | |
| CN204408023U (en) | A kind of monitoring system of electric substation | |
| CN107301929A (en) | A kind of switch fixed contact structure | |
| CN103151624A (en) | Connecting clamp of distribution transformer bushing lead screw rod and line wire | |
| CN105846374A (en) | Wall bushing with high dustproof capability | |
| CN205050752U (en) | Insulating device that separates of isolator | |
| CN204925181U (en) | T type cable head convenient to high -voltage testing | |
| CN204117730U (en) | Lightning arrester safety device | |
| CN204204524U (en) | A kind of overhead transmission line combined insulator suspension string | |
| CN102510163A (en) | High-current wind power outlet box structure | |
| CN202817223U (en) | A high-voltage lead device | |
| CN203367820U (en) | Heating treatment drainage cover for switch lead jointing clamp of transformer station | |
| CN201340944Y (en) | Cable plug connector | |
| CN105958464A (en) | EHV (extra-high voltage) DC grounding electrode circuit insulation coordination method | |
| CN201421952Y (en) | Low voltage segmentation load transfer device of power system | |
| CN203243008U (en) | Hanging 35kV double-contact lightning arrester | |
| CN205646729U (en) | High voltage electricity line conductor spontaneous heating ice -melt device | |
| CN104252926A (en) | Combined type strain insulator string of overhead transmission line | |
| CN205786928U (en) | It is connected the cover plate assay device of air chamber with GIS for oil-gas type transformator | |
| CN204215823U (en) | A kind of overhead transmission line combined insulator strain insulator-string | |
| CN204215824U (en) | A kind of overhead power transmission line composite insulator composite type strain insulator-string |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |