CN2159611Y - High voltage vacuum load switch - Google Patents
High voltage vacuum load switch Download PDFInfo
- Publication number
- CN2159611Y CN2159611Y CN 93228564 CN93228564U CN2159611Y CN 2159611 Y CN2159611 Y CN 2159611Y CN 93228564 CN93228564 CN 93228564 CN 93228564 U CN93228564 U CN 93228564U CN 2159611 Y CN2159611 Y CN 2159611Y
- Authority
- CN
- China
- Prior art keywords
- main shaft
- load switch
- connecting lever
- isolating switch
- switch main
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a high voltage vacuum load switch, which belongs to the technical improvement of a vacuum switch. The utility model comprises a load switch, an isolating switch and a transmission mechanism. The transmission mechanism is the linkage type mechanism of the load switch and the isolating switch. A set of mechanism can realize the linkage operation of two constituting elements which are the load switch and the isolating switch, a rated voltage reaches 10KV and rated current reaches 100A, when the utility model moves. The utility model has the advantages of small size and long service life. The utility model can replace the FB-6 load switches which are widely used on a coal mine site at present.
Description
The utility model belongs to the technological improvement of vacuum load switch.
Along with developing rapidly that China's coal industry is produced, early seventies is used to equip the 6kV high voltage load switch under the coal mine, can not adapt to the needs of colliery power system operation, is badly in need of updating.
The purpose of this utility model provides a kind of rated voltage and can reach 10kV, and rated current can reach the high pressure vacuum lotus switch of 100A.
The utility model is made up of scaffold, on-load switch, isolating switch and transmission mechanism.Transmission mechanism is a kind of on-load switch and isolating switch coordinated type mechanism, and 1 mechanism can realize that just the interlocking of on-load switch and two composed components of isolating switch moves during operation.As, by unique transmission of transmission mechanism, when isolating switch at first was incorporated into the end, on-load switch could close and close when closing a floodgate, and promptly the leading on-load switch 25ms of isolating switch closes and closes.When being incorporated into the end, isolating switch carries out automatic blocking by machinery.During separating brake, the on-load switch tripping spring energy storage of transmission mechanism discharges, the on-load switch quick acting switching-off, and the energy storage of isolating switch tripping spring discharges the isolating switch quick acting switching-off behind the 5ms.
The utility model is more simple in structure than the FB-6 on-load switch that uses at present, and volume is little, the life-span improves 5 times and reliable, uses to replace the FB-6 on-load switch gradually on the colliery.
Fig. 1 is the utility model structural representation, and Fig. 2 is its transmission mechanism structural representation, and Fig. 3 is a transmission mechanism A-A schematic diagram.Below in conjunction with accompanying drawing the utility model is elaborated.
The utility model is made up of scaffold 1, on-load switch, isolating switch, transmission mechanism four parts.The on-load switch part is made up of 3 vacuum interrupters 25, support porcelain vase 28, support 30, conductive strips 27, connecting lever 32, coupling head 33, insulated tension pole 37.Support porcelain vase 28 upper ends to be provided with adjusting pad 29, and be fastened on screw on the entablature of scaffold 1.Support 30 usefulness screws are fastened on the lower end of supporting porcelain vase 28, and vacuum interrupter 25 lower ends are fastened on the contact plate 35 of isolating switch part with nut, and the movable contact rod 26 of vacuum interrupter 25 is installed in the movable contact rod through hole 38 of support 30.Conductive strips 27 1 ends are fastened on the support 30, and the other end is fastened on the conductive clip 31 of movable contact rod 26, plays electric action, and support 30 is made binding post simultaneously.Connecting lever 32 1 ends and movable contact rod 26 connect, and the other end is connected by the upper end of coupling head 33 with insulated tension pole 37, and the lower end of insulated tension pole 37 connects by the connecting lever 4 of pivot pin and on-load switch main shaft 5.
The isolating switch part is made of 3 isolation plug-in strips 24, plug-in strip spring 23, pedestal 22, insulated tension pole 21, support porcelain vase 39 and 40, insulation column 36, contact plate 35. Support porcelain vase 39 and 40, the lower end of insulation column 36 is fixed on the base that has reinforcement 20 of scaffold 1 with screw respectively.Pedestal 22 usefulness screws are fastened on the upper end of supporting porcelain vase 39.The rear end that isolates plug-in strip 24 is connected on the pedestal 22 with bolt 19 and plug-in strip spring 23, and its free end can insert contact plate 35, contact plate 35 usefulness screws are fixed on the upper end of supporting porcelain vase 40 and insulation column 36.Insulated tension pole 21 upper ends connect by pivot pin and isolation plug-in strip, and the other end connects by the connecting lever 11 of pivot pin and isolating switch main shaft 7.Separate with insulating barrier 34 between item and the item.
Running part is made up of on-load switch main shaft 5, on-load switch tripping spring 2, isolating switch main shaft 7, isolating switch tripping spring 6, clutch 10, pull bar 12, energy storage pipe 13, energy-stored spring 14, tripping plate 16, connecting lever 11, main connecting lever 15, cam 17.On-load switch main shaft 5, isolating switch main shaft 7 use bearing fixing on the suitable location of the base of scaffold 1 by designing requirement.Solid welding has cam 3, connecting lever 4, main connecting lever 15 on on-load switch main shaft 5; Solid welding has clutch 10, cam 17, connecting lever 11 on isolating switch main shaft 7.One end of energy storage pipe 13 and pull bar 12 is bound up on the clutch 10 on the isolating switch main shaft 7 by pivot pin, and the other end of energy storage pipe 13 has slotted hole, is provided with energy-stored spring 14 in this part energy storage pipe.Cam 3 on the on-load switch main shaft 5 and the slotted hole on the energy storage pipe 13 connect with pivot pin, pivot pin compressed energy-storage spring 14.The other end of pull bar 12 is by a client link of pivot pin and main connecting lever 15.One end of on-load switch tripping spring 2 and isolating switch tripping spring 6 is installed in respectively on the relevant position of base of scaffold 1, and the other end then is installed in respectively on the clutch 10 and connecting lever 9 on the isolating switch main shaft 7.Tripping plate 16 and tripping plate 18 are formed by bearing pedestal, buckle, torque spring, pivot pin, banking pin, and bearing pedestal is fixed on screw on the relevant position of base of scaffold 1.
Use when closing a floodgate, clockwise rotate the manual-operating mechanism handle, main connecting lever 15 clockwise directions are rotated, drive pull bar 12 horizontal directions and move, clutch 10 is fastened.After fastening, clutch 10 is rotated further, energy-stored spring 14 compressed energy-storages, even 13 energy storage of energy storage pipe, and isolating switch main shaft 7 clockwise directions are rotated.Connecting lever 11 on the isolating switch main shaft 7 drives insulated tension pole 21, makes isolation plug-in strip 24 also do clockwise direction and rotates.Meanwhile, clutch 10 promotion energy storage pipes 13 move downward.But owing to tripping plate 16 fastens the cam on the on-load switch main shaft 53, thereby the rotation of prevention on-load switch main shaft 5.Since on the energy storage pipe 13 slotted hole is arranged, still can make isolated switch main axle 7 continue to move downward, and the energy-stored spring 14 in the compressed pipe, be the combined floodgate energy reserve.When isolation plug-in strip 24 will close a floodgate extreme lower position, energy storage pipe 13 is opened tripping plate 16, cam 3 on the on-load switch main shaft 5 is threaded off thereupon, the energy storage pipe releases energy rapidly, promoting on-load switch main shaft 5 counterclockwise rotates, drive insulated tension pole 37, make the dynamic and static contact contact of vacuum interrupter 25, reach the combined floodgate purpose.
When using separating brake, promote the manual-operating mechanism handle, make mechanism thread off, under the effect of on-load switch tripping spring 2, promote clutch 10 by pull bar 12 and open.Meanwhile, clutch 10 drives on-load switch main shaft 5 by energy storage pipe 13 and does the clockwise direction rotation, insulated tension pole 21 is moved downward, dynamic and static contact in the vacuum interrupter 25 is separated, move behind the segment distance, pull bar 12 forces the cam 17 of isolating switch main shaft 7 to be opened with tripping plate 18 again, and isolating switch main shaft 7 counterclockwise rotates under the effect of isolating switch tripping spring 6, drive insulated tension pole 21, make and isolate plug-in strip 24 separately.The cam 3 of on-load switch main shaft 5 fastens with tripping plate 16 simultaneously, prepares next time and closes a floodgate.
Claims (1)
1, high-voltage vacuum load switch is by scaffold 1, on-load switch, isolating switch, four parts of transmission mechanism are formed, it is characterized in that said on-load switch part is by 3 vacuum interrupters 25, support porcelain vase 28, support 30, conductive strips 27, connecting lever 32, coupling head 33, insulated tension pole 37 is formed, support porcelain vase 28 upper ends to be provided with adjusting pad 29, and be fastened on screw on the entablature of scaffold 1, support 30 usefulness screws are fastened on the lower end of supporting porcelain vase 28, vacuum interrupter 25 lower ends are fastened on the contact plate 35 of isolating switch part with nut, the movable contact rod 26 of vacuum interrupter 25 is installed in the movable contact rod through hole 38 of support 30, conductive strips 27 1 ends are fastened on the support 30, the other end is fastened on the conductive clip 31 of movable contact rod 26, connecting lever 32 1 ends and movable contact rod 26 connect, the other end is connected by the upper end of coupling head 33 with insulated tension pole 37, and the lower end of insulated tension pole 37 connects by the connecting lever 4 of pivot pin and on-load switch main shaft 5; Said isolating switch part is by 3 isolation plug-in strips 24, plug-in strip spring 23, pedestal 22, insulated tension pole 21, support porcelain vase 39 and 40, insulation column 36, contact plate 35 constitutes, support porcelain vase 39 and 40, the lower end of insulation column 36 is fixed on the base that has reinforcement 20 of scaffold 1 with screw respectively, pedestal 22 usefulness screws are fastened on the upper end of supporting porcelain vase 39, the rear end that isolates plug-in strip 24 is connected on the pedestal 22 with bolt 19 and plug-in strip spring 23, its free end can insert contact plate 35, contact plate 35 usefulness screws are fixed on the upper end of supporting porcelain vase 40 and insulation column 36, insulated tension pole 21 upper ends connect by pivot pin and isolation plug-in strip 24, the other end connects by the connecting lever 11 of pivot pin and isolating switch main shaft 7, separates with insulating barrier 34 between item and the item; Said running part is by on-load switch main shaft 5, on-load switch tripping spring 2, isolating switch main shaft 7, isolating switch tripping spring 6, clutch 10, pull bar 12, energy storage pipe 13, energy-stored spring 14, tripping plate 16, connecting lever 11, main connecting lever 15, cam 17 is formed, on-load switch main shaft 5, isolating switch main shaft 7, with bearing fixing on the base of scaffold 1, solid welding has cam 3 on on-load switch main shaft 5, connecting lever 4, main connecting lever 15, solid welding has clutch 10 on isolating switch main shaft 7, cam 17, connecting lever 11, one end of energy storage pipe 13 and pull bar 12 is bound up on the clutch 10 on the isolating switch main shaft 7 by pivot pin, the other end of energy storage pipe 13 has slotted hole, be provided with energy-stored spring 14 in this part energy storage pipe, cam 3 on the on-load switch main shaft 5 and the slotted hole on the energy storage pipe 13 connect with pivot pin, pivot pin compressed energy-storage spring 14, the other end of pull bar 12 is by a client link of pivot pin and main connecting lever 15, one end of on-load switch tripping spring 2 and isolating switch tripping spring 6 is installed in respectively on the relevant position of base of scaffold 1, the other end then is installed in respectively on the clutch 10 and connecting lever 9 on the isolating switch main shaft 7, and the bearing pedestal of tripping plate 16 and tripping plate 18 is fixed on scaffold 1 base with screw respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93228564 CN2159611Y (en) | 1993-06-24 | 1993-06-24 | High voltage vacuum load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93228564 CN2159611Y (en) | 1993-06-24 | 1993-06-24 | High voltage vacuum load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2159611Y true CN2159611Y (en) | 1994-03-23 |
Family
ID=33805591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93228564 Expired - Fee Related CN2159611Y (en) | 1993-06-24 | 1993-06-24 | High voltage vacuum load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2159611Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100449666C (en) * | 2006-05-17 | 2009-01-07 | 王光顺 | Fixed contact bending moment self-balancing unit for extra-high-voltage isolation switch |
| CN101964271A (en) * | 2010-09-28 | 2011-02-02 | 丹东供电设备厂 | High-voltage switch transfer current device |
-
1993
- 1993-06-24 CN CN 93228564 patent/CN2159611Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100449666C (en) * | 2006-05-17 | 2009-01-07 | 王光顺 | Fixed contact bending moment self-balancing unit for extra-high-voltage isolation switch |
| CN101964271A (en) * | 2010-09-28 | 2011-02-02 | 丹东供电设备厂 | High-voltage switch transfer current device |
| CN101964271B (en) * | 2010-09-28 | 2012-08-15 | 丹东供电设备厂 | High-voltage switch transfer current device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |