CN86205935U - Independend high-voltage isolation switch - Google Patents
Independend high-voltage isolation switch Download PDFInfo
- Publication number
- CN86205935U CN86205935U CN 86205935 CN86205935U CN86205935U CN 86205935 U CN86205935 U CN 86205935U CN 86205935 CN86205935 CN 86205935 CN 86205935 U CN86205935 U CN 86205935U CN 86205935 U CN86205935 U CN 86205935U
- Authority
- CN
- China
- Prior art keywords
- crank
- ground connection
- flap
- phase
- transmission mechanism
- 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.)
- Ceased
Links
- 238000002955 isolation Methods 0.000 title abstract description 7
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 229910052573 porcelain Inorganic materials 0.000 claims description 23
- 230000033001 locomotion Effects 0.000 claims description 21
- 239000012212 insulator Substances 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910001060 Gray iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229940099259 vaseline Drugs 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to an independent high-voltage isolation switch. The transmission mechanism is provided with the rotary plates of two zigzag grooves, and two transmission cranks are provided with the operating pins of the zigzag grooves, which causes the three phase main knife switch and the three phase grounding knife switch to separately act. The utility model has the advantages of high reliability and convenient maintenance, satisfies the requirement of the safety standard of the fracture distance, and is provided with an intermediate position where the main knife switch and the grounding knife switch are all opened. After tested, the utility model can be used as a safe indoor high-voltage isolation switch for the electric power system of China.
Description
The utility model relates to a kind of high voltage isolator, adopts the flap that tortuous groove is arranged to connect two a kind of like this transmission mechanisms of driving crank by the pin in tortuous groove operation, makes branch's action of three-phase ground connection disconnecting link and three-phase operator lock and self-locking, and is safe and reliable.
Existing indoor high-voltage isolating switch, by frame, porcelain insulator, the pull bar porcelain vase, three-phase operator lock, three-phase ground connection disconnecting link, ground connection swivel axle, the operator rotating shaft, pull bar porcelain vase connecting crank, operating crank, be fixed in the jack shaft of frame, transmission mechanism is formed, transmission mechanism is that the operating mechanism on the switch cubicle drives the operating crank motion, directly driving two driving cranks fixing with operating crank rotates around jack shaft, these two driving cranks drive ground connection swivel axle by connecting rod respectively again and the operator rotating shaft is rotated, like this, when three-phase operator lock is done the separating brake motion, three-phase ground connection disconnecting link is done the motion of closing a floodgate, in the process of motion, the public fixed contact and the distance of the fracture between operator or the ground connection cutter that can not satisfy on the porcelain insulator are not less than 150 millimeters respectively, 125 millimeters safety standard requirements, and the reliably self-locking of position of operator lock and ground connection disconnecting link, easily produce arc discharge, cause the accident, simultaneously, there is not three-phase operator lock, test can not be satisfied in the centre position of three-phase ground connection disconnecting link separating brake standard-sized sheet, the needs of maintenance work.
The purpose of this utility model, to design exactly a kind of three-phase operator lock, the independently branch's action of three-phase ground connection disconnecting link, reliable self-locking, and can guarantee and public fixed contact between fracture apart from satisfying safety standard requirements and the partition type high voltage isolator in the centre position of an operator lock, ground connection disconnecting link separating brake standard-sized sheet being arranged.
The design's partition type high voltage isolator, utilize in the transmission mechanism and a motion to be decomposed into two independently branch's motion principle designs, structure following (seeing accompanying drawing 1): this partition type high voltage isolator, by frame (8), porcelain insulator (9,10), three-phase ground connection disconnecting link (1), ground connection swivel axle (2), three-phase operator lock (11), pull bar porcelain vase (6), pull bar porcelain vase connecting crank (14), operator rotating shaft (7), operating crank (5), be fixed on the jack shaft (4) on the frame, transmission mechanism is formed, porcelain insulator (9,10) be fixed on the frame (8), the pivot pin that the last end of a porcelain insulator (9) is equipped with the operator lock connects contact, another porcelain insulator is equipped with the operator lock on (10), the public fixed contact of ground connection disconnecting link, pull bar porcelain vase (6) one ends are connected with operator lock (11), the other end is connected with pull bar porcelain vase connecting crank (14), pull bar porcelain vase connecting crank (14), operator rotating shaft (7), the linkage of driving crank (13) for being fixed together, ground connection disconnecting link (1), ground connection swivel axle (2), driving crank (12) is the linkage for being fixed together also, these two kinds of linkages can be done rotating relative to frame, transmission mechanism comprises the flap (3) with two tortuous grooves, one end is equipped with two driving cranks (12 at tortuous groove operation pin, 13), the driving crank (12) and driving crank (13) other end are separately fixed at ground connection swivel axle (2), in the operator rotating shaft (7), flap (3) is fixed in central axle sleeve (17) with operating crank (5) one ends, central axle sleeve (17) is sleeved on the jack shaft (4), operating crank (5) other end connects the operating mechanism of switch cubicle, the flap (3) that is synchronized with the movement with operating crank (5), by tortuous groove, pin, the motion that the operating mechanism transmission is come is decomposed into two independently branch's motions, connect driving crank (12,13) and ground connection swivel axle (2), operator rotating shaft (7) constitutes a partition type transmission mechanism.
The tortuous groove of flap is designed to one section arc groove and the one section radial slot formation concentric with jack shaft (4).
Like this, when the operating mechanism of switch cubicle drives operating crank (5) rotation by connecting rod, flap (3) also rotates around jack shaft (4), flap (3) move through tortuous groove, pin is decomposed into two independently branch's actions, during as flap (3) anti-clockwise movement, when the pin position of driving crank (13) is positioned at one section of the radial slot of the tortuous groove of flap, flap (3) promotes pin, drive driving crank (13) motion, driving crank (13) drives operator rotating shaft (7) and rotates, and then drive three-phase operator lock (11) is done the separating brake motion, meanwhile, the pin position one of another driving crank (12) fixes on the arc groove section of the tortuous groove of flap, pin slides in tortuous groove, so the motion of flap (3) can not drive driving crank (12) motion, therefore, ground connection disconnecting link (1) remains static, when three-phase operator lock (11) moves at the end, driving crank (13) pin enters the arc groove section of the tortuous groove of flap, driving crank (12) pin then enters the radial slot section of the tortuous groove of flap, (30 continue rotation to flap, at this moment, driving crank (13) pin slides in the arc groove section of the tortuous groove of flap, driving crank (13) is failure to actuate, three-phase operator lock (11) remains static, and driving crank (12) pin is promoted by the radial slot of the tortuous groove of flap, drive driving crank (12) motion, ground connection swivel axle (2) rotates, and three-phase ground connection disconnecting link (1) does to close a floodgate motion until end of a period.Conversely, then three-phase ground connection disconnecting link (1) is done separating brake motion earlier, and three-phase operator lock (11) remains static, when the motion of three-phase ground connection disconnecting link (1) separating brake at the end, the combined floodgate that next action just begins three-phase operator lock (11) moves.Obviously, when any disconnecting link separating brake motion wherein at the end, the centre position that an operator lock and ground connection disconnecting link separating brake standard-sized sheet are arranged, again because the arc groove of the tortuous groove of the movement locus of driving crank pin and flap is that different radii, excentric two circular arcs are crossing, therefore, cutter self-locking reliably at any time.
This partition type high voltage isolator, simple in structure, make system, easy for installation, three-phase operator lock, independent, accurate, the self-locking of three-phase ground connection disconnecting link branch action, the fracture distance satisfies safety standard requirements, have the centre position of three-phase operator lock and three-phase ground connection disconnecting link separating brake standard-sized sheet, test, easy to maintenance can be the reliable indoor high-voltage isolating switch of China's power system security.
Fig. 1 is the accompanying drawing of this specification.
Description of drawings:
Among Fig. 1, A is a front view
B is a left view
1--three-phase ground connection disconnecting link
2--ground connection swivel axle
The 3--flap
The 4--jack shaft
The 5--operating crank
6--pull bar porcelain vase
The 7--rotating shaft of operating
The 8--frame
9,10--porcelain insulator
11--three-phase operator lock
12,13--driving crank
14--pull bar porcelain vase connecting crank
The 15--pin
The tortuous groove of 16--
The 17--central axle sleeve
When this Independend high-voltage isolation switch is made, adopt the domestic general newly-designed indoor high-voltage combined type isolation switch of Xi'an High-Voltage Electrical Appliances development institute (such as the GN-10D II2/ 630-20 type etc., current class is 630A, 1000A, 1250A) body is the basis, it is frame, three-phase operator lock, the three-phase ground disconnecting link, porcelain insulator, contact on the porcelain insulator, the pull bar porcelain vase, the earthing rotating shaft, the operator rotating shaft, pull bar porcelain vase connecting crank, jackshaft remains unchanged, just adopt the design's flap at running part, driving crank, operating crank one end is connected with the operating mechanism link of switch cubicle, the other end and flap are welded on the two ends outer rim of central axle sleeve simultaneously, flap appearance and size is 120 millimeters of diameters, wide 140 millimeters, thick 8 millimeters, the tortuous groove of flap adds man-hour, can be processed into two kinds: a kind of is that two tortuous grooves all be and the concentric one section arc groove of jackshaft and one section centripetal radial slot formation; A kind of is a tortuous groove for consisting of with one section centripetal radial slot with the concentric one section arc groove of jackshaft, and another tortuous groove is the radial slot formation centrifugal with the concentric one section arc groove of jackshaft and a section. Above-mentioned two kinds of arc grooves separately right central angle at 31 degree between 66 degree. In two driving cranks, it is cantilevered that an end and earthing rotating shaft are fixed on driving crank and pin is fixed in the crank pin hole; One end is biplate clamping plate type structure with the driving crank that the operator rotating shaft is fixed, pin can be in crank pin hole Free, the central axle sleeve middle part of flap and operating crank has tank filler sleeve, general processing industry has lengthening with neutral vaseline, earthing rotating shaft and operator roller pin, in order to improve the jackshaft stiffness, add one section angle clip of weldering at supporting-point. The running part construction material is except two driving cranks adopt grey cast-iron commonly used, and all the other all adopt A3Steel. Make this Independend high-voltage isolation switch, simple in structure, easily processing, assembling.
Claims (2)
1, a kind of partition type high voltage isolator, by frame (8), porcelain insulator (9,10), three-phase ground connection disconnecting link (1), ground connection swivel axle (2), three-phase operator lock (11), pull bar porcelain vase (6), pull bar porcelain vase connecting crank (14), operator rotating shaft (7), operating crank (5), be fixed on the jack shaft (4) on the frame, transmission mechanism is formed, it is characterized in that transmission mechanism comprises the flap (3) with two tortuous grooves, one end is equipped with two driving cranks (12 at tortuous groove operation pin, 13), the driving crank (12) and driving crank (13) other end are separately fixed at ground connection swivel axle (2), in the operator rotating shaft (7), flap (3) is fixed in central axle sleeve (17) with operating crank (5) one ends, central axle sleeve (17) is sleeved on the jack shaft (4), the flap (3) that is synchronized with the movement with operating crank (5), by tortuous groove, pin, connect driving crank (12,13) and ground connection swivel axle (2), operator rotating shaft (7) constitutes a transmission mechanism.
2, by the described partition type high voltage isolator of claim 1, the tortuous groove that it is characterized in that transmission mechanism transit plate (3) is by one section arc groove and the one section radial slot formation concentric with jack shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86205935 CN86205935U (en) | 1986-08-14 | 1986-08-14 | Independend high-voltage isolation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86205935 CN86205935U (en) | 1986-08-14 | 1986-08-14 | Independend high-voltage isolation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86205935U true CN86205935U (en) | 1987-04-01 |
Family
ID=4808680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86205935 Ceased CN86205935U (en) | 1986-08-14 | 1986-08-14 | Independend high-voltage isolation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86205935U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354190A (en) * | 2013-06-26 | 2013-10-16 | 国家电网公司 | Isolation grounding switch device and solid insulating switch using same |
| CN104517755A (en) * | 2014-06-20 | 2015-04-15 | 广西春茂电气自动化工程有限公司 | Three-position switching control disk of switchgear |
-
1986
- 1986-08-14 CN CN 86205935 patent/CN86205935U/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103354190A (en) * | 2013-06-26 | 2013-10-16 | 国家电网公司 | Isolation grounding switch device and solid insulating switch using same |
| CN103354190B (en) * | 2013-06-26 | 2017-03-22 | 国家电网公司 | Isolation grounding switch device and solid insulating switch using same |
| CN104517755A (en) * | 2014-06-20 | 2015-04-15 | 广西春茂电气自动化工程有限公司 | Three-position switching control disk of switchgear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CE01 | Termination of patent right |