CN201584353U - Transmission mechanism for outdoor high-voltage AC porcelain column SF6 circuit breaker - Google Patents
Transmission mechanism for outdoor high-voltage AC porcelain column SF6 circuit breaker Download PDFInfo
- Publication number
- CN201584353U CN201584353U CN2009202449185U CN200920244918U CN201584353U CN 201584353 U CN201584353 U CN 201584353U CN 2009202449185 U CN2009202449185 U CN 2009202449185U CN 200920244918 U CN200920244918 U CN 200920244918U CN 201584353 U CN201584353 U CN 201584353U
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- China
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- rotating shaft
- connecting lever
- crankarm
- circuit breaker
- outdoor high
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Abstract
The utility model relates to the field of design and manufacturing of outdoor high-voltage AC porcelain column SF6 circuit breakers, and discloses a transmission mechanism for an outdoor high-voltage AC porcelain column SF6 circuit breaker, which comprises a spring operating mechanism with an output transmission mechanism, and a pull rod positioned in a pillar porcelain bushing, and is characterized by also comprising a crankarm box fixed at the lower end of the pillar porcelain bushing, a rotating shaft extending into the crankarm box, an inner crankarm positioned in the crankarm box and fixed on the rotating shaft, an outer crankarm positioned outside the crankarm box and fixed on the rotating shaft, and a rotary sealing device arranged between the rotating shaft and the wall of the crankarm box, wherein a transmission rod is movably connected with the outer crankarm, and the pull rod extends into the crankarm box and is movably connected with the inner crankarm.
Description
Technical field
The utility model relates to outdoor high-voltage alternating current porcelain knob SF
6The design of circuit breaker and manufacturing field, particularly a kind of outdoor high-voltage alternating current porcelain knob SF
6The circuit breaker transmission mechanism.
Background technology
Along with the transformation energetically of urban and rural power grids, the application of this type of outdoor high-voltage alternating current porcelain knob SF6 circuit breaker is more and more widely.Outdoor high-voltage alternating current porcelain knob SF
6Circuit breaker belongs to the hungry mechanical linkage formula of three-phase operating breaker, is made up of three one poles, can realize electric remote-control or manual on the spot.At present, outdoor high-voltage alternating current porcelain knob SF
6In the circuit breaker, each pull bar and hermetically-sealed construction between the strut porcelain bushing that stretches into the one pole arc control device adopts the translation seal structure, and translation seal structure frictional force is bigger, requires the spring operating mechanism operating work big relatively.Especially use in the bigger environment of humidity or sand and dust, problems such as corrosion, gas leakage take place in pull bar easily, have directly influenced the normal break performance of product, and electric power netting safe running is caused a hidden trouble.
Summary of the invention
The purpose of this utility model is to provide a kind of outdoor high-voltage alternating current porcelain knob SF
6The circuit breaker transmission mechanism can reduce to reduce the frictional force that produces because of sealing in the transmission process, has reduced the operating work of spring operating mechanism, makes the performance of circuit breaker more reliable and more stable.
In order to achieve the above object, the utility model is achieved by the following technical solutions.
A kind of outdoor high-voltage alternating current porcelain knob SF
6The circuit breaker transmission mechanism, comprise spring operating mechanism with output drive link, be positioned at the pull bar of strut porcelain bushing, it is characterized in that, also comprise the connecting lever case that is fixed on the strut porcelain bushing lower end, stretch into the rotating shaft of turning in the wall case, be positioned at and turn the wall case and be fixed on connecting lever in the rotating shaft, be positioned at that to turn the wall case outer and be fixed on outer connecting lever in the rotating shaft, and be arranged on rotating shaft and turn rotary seal between the tank wall of wall case; Described drive link flexibly connects outer connecting lever, and described pull bar stretches into to turn and flexibly connects interior connecting lever in the wall case.
Further characteristics of the present utility model are that described rotary seal comprises dish spring, sealing gasket and the sealing gland that is applied in successively in the rotating shaft, and described dish spring and sealing gland are squeezed in sealing gasket between the tank wall and rotating shaft that turns the wall case.
The utility model is provided with the connecting lever case the strut porcelain bushing lower end, pull bar stretches into to turn and flexibly connects interior connecting lever in the wall case, interior connecting lever connects outer connecting lever by rotating shaft, outer connecting lever flexible connection drive link, and in rotating shaft with turn the rotary seal that is provided with between the tank wall of wall case; Realizing under the situation of transmission,, be converted into rotating shaft and turn rotary seal between the tank wall of wall case pull bar in the traditional structure and the translation seal between the strut porcelain bushing.Therefore, adopt the utility model can reduce the frictional force that produces because of sealing in the transmission process, reduced the operating work of spring operating mechanism, make the performance of circuit breaker more reliable and more stable.
Description of drawings
Below in conjunction with description of drawings and embodiment the utility model is further illustrated.
Fig. 1 is the general structure schematic diagram of outdoor high-voltage alternating current porcelain knob SF6 circuit breaker;
Fig. 2 is a kind of outdoor high-voltage alternating current porcelain knob SF
6Circuit breaker partial structurtes (left-right symmetric is saved the part, the right side) schematic diagram of transmission mechanism;
Fig. 3 is the connection diagram of strut porcelain bushing and connecting lever case;
Fig. 4 is the vertical profile schematic diagram of connecting lever case;
Fig. 5 cuts open schematic diagram for the A-A of Fig. 4;
Wherein: 1 is the one pole arc control device; 2 are the transmission framework; 3 is on-site control; 4 is support; 5 is drive link; 6 is pull bar; 7 is the connecting lever case; 8 is outer connecting lever; 9 is interior connecting lever; 10 are rotating shaft; 11 is strut porcelain bushing; 12 is the dish spring; 13 is sealing gasket; 14 is sealing gland.
Embodiment
With reference to Fig. 1, in the outdoor high-voltage alternating current porcelain knob SF6 circuit breaker, the lower end of support 4 is fixed on concrete pedestal, the upper end fixed conveyor framework 2 of support 4, the lower end central authorities of transmission framework 2 are fixed with local control box 3, and upper end one word of transmission framework 2 is capable to be distributed with three single-stage arc control device 1.Be provided with spring operating mechanism in the on-site control 3, spring operating mechanism drives three crank arm mechanism that are positioned at transmission framework 2 simultaneously by drive link, three crank arm mechanism drive the backward stick action of three single-stage arc control device 1 respectively, finish the divide-shut brake action of circuit breaker.
With reference to Fig. 2,3, corresponding three single-stage arc control device 1 are provided with three and turn wall case 7 in transmission framework 2.Connecting lever case 7 is fixed on the lower end of the strut porcelain bushing 11 of single-stage arc control device 1, the pull bar 6 that is positioned at strut porcelain bushing 11 stretches into an end that turns wall case 7 and flexibly connect connecting lever 9 by pin, the other end of interior connecting lever 9 is fixed in the rotating shaft 10, rotating shaft 10 is stretched out and is turned the outer connecting lever 8 of wall case 7 external fixation, three outer connecting levers 8 flexibly connect by pin with drive link 5 respectively, and the output of spring operating mechanism realizes the synchronous of three-phase operation by drive link 5.Need to prove the big connecting lever that has increased an input torque in the rotating shaft 10 of moving mutually in the middle of being used for, big connecting lever and spring operating mechanism flexibly connect.
With reference to Fig. 4, Fig. 5, no longer adopt translation seal between pull bar 6 and the strut porcelain bushing 11, but in rotating shaft 10 with turn the rotary seal that is provided with between the tank wall of wall case 7.Rotary seal can adopt usual method to realize, the rotary seal that present embodiment adopts comprises dish spring 12, sealing gasket 13 and the sealing gland 14 that is applied in successively in the rotating shaft 10.Be specially: will be used to run through the axis hole on the tank wall of rotating shaft 10, and offer the axis hole that has boss for the inboard, an end of dish spring 12 is against boss, and the other end is fixed on sealing gland 14 on the tank wall with screw at last against sealing gasket 13, thereby realizes rotary seal.
Claims (2)
1. outdoor high-voltage alternating current porcelain knob SF
6The circuit breaker transmission mechanism, comprise spring operating mechanism with output drive link, be positioned at the pull bar of strut porcelain bushing, it is characterized in that, also comprise the connecting lever case that is fixed on the strut porcelain bushing lower end, stretch into the rotating shaft of turning in the wall case, be positioned at and turn the wall case and be fixed on connecting lever in the rotating shaft, be positioned at that to turn the wall case outer and be fixed on outer connecting lever in the rotating shaft, and be arranged on rotating shaft and turn rotary seal between the tank wall of wall case; Described drive link flexibly connects outer connecting lever, and described pull bar stretches into to turn and flexibly connects interior connecting lever in the wall case.
2. a kind of outdoor high-voltage alternating current porcelain knob SF according to claim 1
6The circuit breaker transmission mechanism is characterized in that, described rotary seal comprises dish spring, sealing gasket and the sealing gland that is applied in successively in the rotating shaft, and described dish spring and sealing gland are squeezed in sealing gasket between the tank wall and rotating shaft that turns the wall case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202449185U CN201584353U (en) | 2009-10-27 | 2009-10-27 | Transmission mechanism for outdoor high-voltage AC porcelain column SF6 circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202449185U CN201584353U (en) | 2009-10-27 | 2009-10-27 | Transmission mechanism for outdoor high-voltage AC porcelain column SF6 circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201584353U true CN201584353U (en) | 2010-09-15 |
Family
ID=42726364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202449185U Expired - Lifetime CN201584353U (en) | 2009-10-27 | 2009-10-27 | Transmission mechanism for outdoor high-voltage AC porcelain column SF6 circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201584353U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107043A (en) * | 2011-11-11 | 2013-05-15 | 厦门华电开关有限公司 | High pressure outdoor isolating switch |
| CN106910660A (en) * | 2017-04-05 | 2017-06-30 | 正泰电气股份有限公司 | One kind casting crank arm box |
| CN111678659A (en) * | 2020-06-09 | 2020-09-18 | 江苏省如高高压电器有限公司 | Leakage detection method for porcelain knob type circuit breaker |
-
2009
- 2009-10-27 CN CN2009202449185U patent/CN201584353U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107043A (en) * | 2011-11-11 | 2013-05-15 | 厦门华电开关有限公司 | High pressure outdoor isolating switch |
| CN106910660A (en) * | 2017-04-05 | 2017-06-30 | 正泰电气股份有限公司 | One kind casting crank arm box |
| CN111678659A (en) * | 2020-06-09 | 2020-09-18 | 江苏省如高高压电器有限公司 | Leakage detection method for porcelain knob type circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100915 |