CN105895393A - Isolation switch accessory capable of tensioning relative to contact finger and preventing electrical conduction - Google Patents
Isolation switch accessory capable of tensioning relative to contact finger and preventing electrical conduction Download PDFInfo
- Publication number
- CN105895393A CN105895393A CN201510448344.3A CN201510448344A CN105895393A CN 105895393 A CN105895393 A CN 105895393A CN 201510448344 A CN201510448344 A CN 201510448344A CN 105895393 A CN105895393 A CN 105895393A
- Authority
- CN
- China
- Prior art keywords
- extension spring
- keyhole
- fingertip
- jack
- round
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
- H01H1/52—Contacts adapted to act as latches
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses an isolation switch accessory capable of tensioning relative to a contact finger and preventing electrical conduction. A first plug hole is arranged at one side of a circular type insulating porcelain sleeve and a second plug is arranged at the other side, rotary extension spring sleeves are arranged in the first plug hole and the second plug hoe, and end parts of the rotary extension spring sleeves are provided with protruding extension spring suspension noses. The isolation switch accessory is characterized in that when the rotary extension spring sleeves are hung and plugged in the first plug hole and the second plug hole that are arranged at two sides of the circular type insulating porcelain sleeve, ends of extension springs can be conveniently hung in the protruding extension spring suspension noses thereof.
Description
Present disclosure relates to finger touching type isolation switch, and being directly related to disconnecting switch again can not conductivity relative to fingertip tension
Associate member, be particularly well-suited to transformer station's finger touching type isolation switch and used.
Background technology disconnecting switch plays insulating power supply, deciliter load current in power system, to carry out grid switching operation etc. important
Effect.Owing to its operating principle and structure are relatively simple, the strictest overhaul life regulation is general with main equipment as usual
Overhaul and carry out.But along with the reforming without oil of chopper in recent years, unattended substation transformation and converting equipment are by periodically examining
Repairing the progressively transition made to repair based on condition of component, the overhaul life of main equipment is gradually extending, thus operating outdoor type is kept apart
Pass produced problem is substantially increased, and directly affects power supply reliability and the safety of system, and more serious even causes transformer station one
The catastrophe failure of bar bus full cut-off.Part is with male and female contact (leading to) power supply fortune at the outdoor disconnector of network operation at present
Row, male contact is to connect conducting rod to insulator with Filled Rectangle pyrite square or hollow brass pipe, and female contact is with red copper bar
(4-6 root) is symmetrically distributed on the rectangle pyrite square of conducting rod, is fixed on rectangle pyrite square by spring tension, symmetrical red copper bar
One end plane contact pyrite square is to conducting rod again on insulator, and the other end prepares to contact power supply with the cooperation of male contact pyrite square
Run.It has also been found that do not take insulation measures between existing outdoor disconnector touch spring and the contact used in life-time service
Electric current can be caused to flow through spring makes spring temper follow the string, cause contact generate heat with conducting rod loose contact i.e. occur dangerous
Hidden danger, time serious, disconnecting link is not normally functioning the most easily can cause and can not ensure power grid security reliability service.
Summary of the invention present invention aim to provide a kind of disconnecting switch again can not conductivity attached relative to fingertip tension
Part, it can efficiently solve: does not takes insulation measures can cause electricity between existing outdoor disconnector touch spring and the contact used
Stream flows through spring makes spring temper follow the string, and causes contact and conducting rod loose contact to generate heat and hidden danger i.e. occur, sternly
During weight, disconnecting link is not normally functioning and the most easily can cause the technical barrier that can not ensure power grid security reliability service.
The object of the present invention is achieved like this: disconnecting switch relative to fingertip tension again can not the associate member of conductivity, have tactile
Referring to and round insulated porcelain sleeve, described fingertip rear end arranges first keyhole, and first keyhole front end arranges the second flat-top silk keyhole,
Flat-top silk bolt is set in the second flat-top silk keyhole, bottom the second flat-top silk keyhole, round insulated porcelain sleeve is set, in round insulated porcelain sleeve
Meta installs round through hole, and round insulated porcelain sleeve side arranges the first jack, and opposite side arranges the second jack, the first jack,
Rotation extension spring set is set in the second jack, rotates extension spring set end and set convex extension spring hanging nose.
Due to the fact that to take and arrange first keyhole in fingertip rear end, first keyhole front end arranges the second flat-top silk keyhole,
Arranging flat-top silk bolt in second flat-top silk keyhole, arrange round insulated porcelain sleeve bottom the second flat-top silk keyhole, its feature is: when
When the copper sheet that is flexible coupling (or copper braid over braid) stacked and button contact base and conductance bar are implemented to be connected, first keyhole can realize can
Use bolt by self silk keyhole the copper sheet that is flexible coupling (or the copper braid over braid) termination stacked can be able to be reinforced with on fingertip,
Another termination also can be reinforced and button contact base.
Again round insulated porcelain sleeve, round insulated porcelain sleeve centre position are set bottom fingertip the second flat-top silk keyhole owing to taking
Arranging round through hole, its feature is: when round insulation porcelain is nested with fingertip the second flat-top silk keyhole base portion, round insulation
Round through hole in the middle of insulator can realize using bolt can be reinforced and fingertip by round insulated porcelain sleeve by the round through hole of self
On.
Arranging the first jack due also to take in round insulated porcelain sleeve side, opposite side arranges the second jack, the first jack,
Arranging rotation extension spring set in second jack, rotate extension spring set end and set convex extension spring hanging nose, its feature is: when rotating extension spring
After inserting hangs the first jack with round insulated porcelain sleeve both sides and the second jack, convex extension spring hanging nose can realize can be by the end of extension spring
Head can be linked into the convex extension spring hanging nose to self easily.
Use the present invention, use screw the copper sheet that is flexible coupling (or copper braid over braid) stacked is fixed on fingertip and button contact base it
Between, this shunt method makes the conductive area increasing between fingertip and button contact base be twice, and can bear bigger load current will not
Heating；It is to be screwed because of it again, thus effectively prevent that the time one relying on spring tension contact and formed is long, spring is tired
Labor, pulling force diminish, contact resistance increases, the most serious situation of generating heat.This shunt method is particularly well-suited to bear big load electricity
Stream and the disconnecting switch of long-term charging operation.It is simple, reliable, maintenance period is long.
Description of drawings 1 is contact finger structure layout drawing, and Fig. 2 is integral installation schematic diagram, and Fig. 1 is disconnecting switch of the present invention
Relatively fingertip tension again can not the structure principle chart of associate member of conductivity, the present invention is further illustrated below in conjunction with the accompanying drawings.
Detailed description of the invention fingertip 1 rear end arranges first keyhole 2, and first keyhole 2 front end arranges the second flat-top silk keyhole
3, flat-top silk bolt 4 is set in second flat-top silk keyhole 3, round insulated porcelain sleeve 5 is set bottom second flat-top silk keyhole 3, round
Insulated porcelain sleeve 5 centre position arranges round through hole 6, and round insulated porcelain sleeve 5 side arranges the first jack 7, and opposite side arranges second
Jack 8, arranges rotation extension spring set 9 in first jack the 7, second jack 8, rotation extension spring is overlapped 9 ends and set convex extension spring hanging nose
10。
The installation process of the present invention is: the first copper sheet that is flexible coupling (or copper braid over braid) 11 1 terminations first stacked by Fig. 2
Reinforce in advance with in first keyhole 2 of Fig. 1 fingertip 1 rear end with bolt 12, then Fig. 2 is separately propped up the copper sheet that is flexible coupling stacked
(or copper braid over braid) 13 is also reinforced in advance with bolt 14 1 termination simultaneously and separately props up in first keyhole of fingertip 1a rear end, so
After again Fig. 1 fingertip 1 and another fingertip 1a are put again with on Fig. 2 button contact base 15, when Fig. 1 fingertip 1 and another fingertip 1a put with
After Fig. 2 button contact base 15 then another termination of copper for Fig. 2 first sheet that is flexible coupling (or copper braid over braid) 11 is solid again with bolt 16 again
Tight with the upper surface of button contact base 15, another another termination of the copper sheet that is flexible coupling (or copper braid over braid) 13 stacked uses bolt 17 again
Fasten and the lower surface of button contact base 15 again, then tension spring 18 two ends are firmly linked with again rotate extension spring set 9 and fingertip 1a with fingertip 1
Rotate on extension spring set 9b, more dust-proof cover body 19 is reinforced and fingertip 1, the outer face of fingertip 1a, the most again by group again
Button contact base 15 after dress reinforce again with conductance bar 20 on after can complete install.
The use process of the present invention is: when Fig. 2 button contact base 15 reinforce with conductance bar 20 after, operator can use manipulator
Handle mechanism is shaken to point, combined floodgate terminal (sign) position.When again mechanism being shaken by handle to combined floodgate, now, contact 21
Can connect to be electrically connected after entering to Fig. 2 fingertip 1 and fingertip 1a portion inside the most smoothly and lead.
Claims (1)
1. disconnecting switch relative to fingertip tension again can not the associate member of conductivity, there is fingertip (1) and round insulated porcelain sleeve (5), its
Feature is: described fingertip (1) rear end arranges first keyhole (2), and first keyhole (2) front end arranges the second flat-top silk bolt
Hole (3), arranges flat-top silk bolt (4) in the second flat-top silk keyhole (3), the second flat-top silk keyhole (3) bottom arrange round absolutely
Edge insulator (5), round insulated porcelain sleeve (5) centre position arranges round through hole (6), and round insulated porcelain sleeve (5) side is arranged
First jack (7), opposite side arranges the second jack (8), arranges rotation extension spring set in the first jack (7), the second jack (8)
(9), rotate extension spring set (9) end and convex extension spring hanging nose (10) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510448344.3A CN105895393A (en) | 2015-07-20 | 2015-07-20 | Isolation switch accessory capable of tensioning relative to contact finger and preventing electrical conduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510448344.3A CN105895393A (en) | 2015-07-20 | 2015-07-20 | Isolation switch accessory capable of tensioning relative to contact finger and preventing electrical conduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105895393A true CN105895393A (en) | 2016-08-24 |
Family
ID=57001857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510448344.3A Pending CN105895393A (en) | 2015-07-20 | 2015-07-20 | Isolation switch accessory capable of tensioning relative to contact finger and preventing electrical conduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105895393A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068426A (en) * | 2017-06-20 | 2017-08-18 | 王丽萍 | Clamping plate type power switch cabinet contact |
| CN111725020A (en) * | 2020-06-29 | 2020-09-29 | 浙江福祥瑞特电气有限公司 | Novel high-voltage isolating switch |
-
2015
- 2015-07-20 CN CN201510448344.3A patent/CN105895393A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068426A (en) * | 2017-06-20 | 2017-08-18 | 王丽萍 | Clamping plate type power switch cabinet contact |
| CN107068426B (en) * | 2017-06-20 | 2020-07-07 | 王丽萍 | Clamp plate type power switch cabinet contact |
| CN111725020A (en) * | 2020-06-29 | 2020-09-29 | 浙江福祥瑞特电气有限公司 | Novel high-voltage isolating switch |
| CN111725020B (en) * | 2020-06-29 | 2023-04-07 | 浙江福祥瑞特电气有限公司 | High-voltage isolating switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160824 |