CN203910571U - Grounding switch for simultaneously grounding double-break circuit breakers - Google Patents
Grounding switch for simultaneously grounding double-break circuit breakers Download PDFInfo
- Publication number
- CN203910571U CN203910571U CN201420303777.0U CN201420303777U CN203910571U CN 203910571 U CN203910571 U CN 203910571U CN 201420303777 U CN201420303777 U CN 201420303777U CN 203910571 U CN203910571 U CN 203910571U
- Authority
- CN
- China
- Prior art keywords
- double
- circuit breaker
- fracture
- drive shaft
- fracture circuit
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses a grounding switch for simultaneously grounding double-break circuit breakers, which comprises a grounding switch, wherein a main transmission shaft of the grounding switch is provided with a connecting rod transmission mechanism. High voltage at two sides of the double-break circuit breakers is grounded when the grounding switch operates, the connecting rod transmission mechanism is connected to the main transmission shaft and an auxiliary transmission shaft, the main transmission shaft is installed on the grounding switch, the auxiliary transmission shaft is installed on an installation bottom plate of the double-break circuit breakers, and outgoing lines of the double-break circuit breakers are connected through connecting copper bars. The grounding switch disclosed by the utility model is additionally provided with the connecting rod transmission mechanism on the basis of a transmission mechanism of the grounding switch, and incoming lines and the outgoing lines of the '1+1' double-break circuit breakers are enabled to be grounded simultaneously by a grounding switch through transmission of a connecting rod after breaking of the circuit breakers, thereby not only ensuring the personnel safety of the maintenance personnel, but also reducing the operation cost and waste of resources at the same time.
Description
Technical field
The utility model belongs to breaker technical field, relates to a kind of earthed switch, is specifically related to a kind of earthed switch of double-fracture circuit breaker of while ground connection.
Background technology
High voltage ground switch coordinates vacuum circuit-breaker to be widely used in the harmonious electric locomotive of railway, motor train unit.Its major function is embodied in the time carrying out locomotive inspection, maintenance and repair, the high-tension circuit ground connection of vacuum circuit-breaker both sides, ensureing the safety operation of locomotive, and ensure staff's personal safety, is the harmonious electric locomotive of railway, the indispensable High-Voltage Electrical Appliances of motor train unit.Vacuum circuit-breaker is different on the locomotive of different automobile types, the different modes of connection.The supporting earthed switch of " 1+1 " double-fracture circuit breaker need to be after main circuit breaker disconnects, the in parallel use if " 1+1 " double-fracture opens circuit, earthed switch is circuit breaker both sides ground connection simultaneously, if opening circuit, " 1+1 " double-fracture is used alternatingly, wherein one for cut-offfing, another is for isolation, and earthed switch is circuit breaker both sides independent grounding.Every locomotive only arranges 1 earthed switch, realizes as required two on high-tension side grounding functions of circuit breaker of " 1+1 " double-fracture by 1 earthed switch.
Utility model content
The purpose of this utility model is to overcome above-mentioned technological difficulties, and one ground connection " 1+1 " earthed switch of the double-fracture circuit breaker of ground connection simultaneously is simultaneously provided.
For achieving the above object, the technical solution adopted in the utility model is: the earthed switch of the fixed contact below, end of incoming cables that comprises the double-fracture circuit breaker being fixed on mounting base and be arranged at double-fracture circuit breaker; On earthed switch, be provided with the end of incoming cables fixed contact of double-fracture circuit breaker and match the main earthing of double-fracture circuit breaker end of incoming cables ground connection; On mounting base, be provided with the leading-out terminal fixed contact of double-fracture circuit breaker and match the secondary earthing of double-fracture breaker outgoing line end ground connection; Main earthing is connected with secondary earthing by jointed gear unit, and main earthing and secondary earthing synchronization action.
Described jointed gear unit comprises the final drive shaft being arranged on earthed switch, and main earthing is fixedly mounted on the end of final drive shaft; Secondary rotation axis is installed on mounting base, and final drive shaft is connected with counter drive shaft by connecting rod.
The two ends of described connecting rod are all fixedly connected with counter drive shaft with final drive shaft by connecting lever.
Described double-fracture circuit breaker comprises two double-fracture circuit breakers that be arranged in parallel; The end of incoming cables of two double-fracture circuit breakers is connected copper bar with leading-out terminal by two and is in parallel; On the connection copper bar of two double-fracture circuit breaker ends of incoming cables, be provided with and match with the main earthing on final drive shaft the end of incoming cables fixed contact of two double-fracture circuit breaker end of incoming cables ground connection; On the connection copper bar of two double-fracture breaker outgoing line ends, be provided with the secondary earthing on counter drive shaft and match the leading-out terminal fixed contact of two double-fracture breaker outgoing line end ground connection.
Described double-fracture circuit breaker comprises two double-fracture circuit breakers that be arranged in parallel; On the end of incoming cables of two double-fracture circuit breakers, be separately installed with end of incoming cables fixed contact, the leading-out terminal of two double-fracture circuit breakers connects copper bar by one and is in series even; The two ends of final drive shaft are all provided with respectively and match with two end of incoming cables fixed contacts the main earthing of two double-fracture circuit breaker end of incoming cables ground connection; Connect on copper bar and be provided with the secondary earthing on counter drive shaft and match the leading-out terminal fixed contact of two double-fracture breaker outgoing line end ground connection.
Compared with prior art, the utlity model has following beneficial effect:
The utility model has increased the jointed gear unit that is connected with earthed switch on the mounting base of dual-port circuit breaker, makes earthed switch can meet multiple earthings and moves simultaneously, reaches the function of ground connection.The utility model has increased jointed gear unit on the basis of high voltage ground switch operating mechanism, pass through link transmission, make the earthing of final drive shaft in closed, drive the earthing of counter drive shaft to rotate, thereby reduce the wasting of resources, and the Operation and Maintenance that makes earthed switch is more convenient succinct and reliable, both ensure maintainer's safety operation, also reduced operation cost and the wasting of resources simultaneously.
Brief description of the drawings
Fig. 1 is the utility model double-fracture circuit breaker ground connection vertical view simultaneously that uses in parallel;
Fig. 2 is that the utility model double-fracture circuit breaker is used alternatingly independent grounding vertical view;
Fig. 3 is that the utility model double-fracture circuit breaker connects ground switch-side view.
Wherein, 1 is earthed switch; 2 is connecting rod; 3 is final drive shaft; 4 is counter drive shaft; 5 is double-fracture circuit breaker; 6 for connecting copper bar; 7 is mounting base; 8 is main earthing; 9 is end of incoming cables fixed contact; 10 is secondary earthing; 11 is leading-out terminal fixed contact.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Referring to Fig. 1 to Fig. 3, the earthed switch 1 of end of incoming cables fixed contact 9 belows that the utility model comprises the double-fracture circuit breaker 5 being fixed on mounting base 7 and is arranged at double-fracture circuit breaker 5; On earthed switch 1, be provided with the end of incoming cables fixed contact 9 of double-fracture circuit breaker 5 and match the main earthing 8 of double-fracture circuit breaker 5 end of incoming cables ground connection; On mounting base 7, be provided with the leading-out terminal fixed contact 11 of double-fracture circuit breaker 5 and match the secondary earthing 10 of double-fracture circuit breaker 5 leading-out terminal ground connection; Main earthing 8 is connected with secondary earthing 10 by jointed gear unit, and main earthing 8 and secondary earthing 10 synchronization actions.Jointed gear unit comprises the final drive shaft 3 being arranged on earthed switch 1, and main earthing 8 is fixedly mounted on the end of final drive shaft 3; Secondary rotation axis 4 is installed on mounting base, and final drive shaft 3 is connected with counter drive shaft 4 by connecting rod 2.The two ends of connecting rod 2 are all fixedly connected with counter drive shaft 4 with final drive shaft 3 by connecting lever.
In the time of two double-fracture circuit breakers use in parallel while ground connection:
The end of incoming cables of two double-fracture circuit breakers is connected copper bar 6 with leading-out terminal by two and is in parallel; On the connection copper bar of two double-fracture circuit breaker ends of incoming cables, be provided with and match with the main earthing 8 on final drive shaft 3 the end of incoming cables fixed contact 9 of two double-fracture circuit breaker end of incoming cables ground connection; On the connection copper bar of two double-fracture breaker outgoing line ends, be provided with the secondary earthing 10 on counter drive shaft 4 and match the leading-out terminal fixed contact 11 of two double-fracture breaker outgoing line end ground connection.
In the time that two double-fracture circuit breakers are used alternatingly independent grounding:
The leading-out terminal that is separately installed with fixed contact 9, two double-fracture circuit breakers in end of incoming cables on the end of incoming cables of two double-fracture circuit breakers connects copper bar 6 companies of being in series by one; The two ends of final drive shaft 3 are all provided with respectively and match with two end of incoming cables fixed contacts 9 the main earthing 8 of two double-fracture circuit breaker end of incoming cables ground connection; Connect on copper bar 6 and be provided with the secondary earthing 10 on counter drive shaft 4 and match the leading-out terminal fixed contact 11 of two double-fracture breaker outgoing line end ground connection.
Principle of the present utility model and the course of work:
The utility model comprises earthed switch 1, installing connecting rods transmission mechanism 2 on the final drive shaft 3 of earthed switch 1.When earthed switch 1 operates double-fracture circuit breaker 5 both sides high-voltage earthings, jointed gear unit 2 connects final drive shaft 3 and counter drive shaft 4, final drive shaft 3 is arranged on earthed switch 1, counter drive shaft 4 is arranged on the mounting base of double-fracture circuit breaker 5, connects copper bar 6 outlet of double-fracture circuit breaker 5 is connected.This jointed gear unit 2 designs respectively transmission crank arm on final drive shaft 3 and counter drive shaft 4, and because final drive shaft 3 is different with the corner of counter drive shaft 4, the connecting lever of design different radiuses of rotation is realized simultaneous operation.As shown in Figure 1, in the time that " 1+1 " double-fracture circuit breaker needs parallel connection use while ground connection, can be simultaneously both sides high-voltage earthing.As shown in Figure 2, in the time that " 1+1 " double-fracture circuit breaker need to be used alternatingly independent grounding, can be simultaneously circuit breaker both sides independent grounding.Application of the present utility model makes the Operation and Maintenance of earthed switch more convenient succinct and reliable, has both ensured maintainer's safety operation, has also reduced operation cost and the wasting of resources simultaneously.
Above content is only explanation technological thought of the present utility model; can not limit protection range of the present utility model with this; every technological thought according to the utility model proposes, any change of doing on technical scheme basis, within all falling into the protection range of the utility model claims.
Claims (5)
1. an earthed switch for the double-fracture circuit breaker of while ground connection, is characterized in that: the earthed switch (1) that comprises the double-fracture circuit breaker (5) being fixed on mounting base (7) and the end of incoming cables fixed contact (9) that is arranged at double-fracture circuit breaker (5) below; On earthed switch (1), be provided with the end of incoming cables fixed contact (9) of double-fracture circuit breaker (5) and match the main earthing (8) of double-fracture circuit breaker (5) end of incoming cables ground connection; On mounting base (7), be provided with the leading-out terminal fixed contact (11) of double-fracture circuit breaker (5) and match the secondary earthing (10) of double-fracture circuit breaker (5) leading-out terminal ground connection; Main earthing (8) is connected with secondary earthing (10) by jointed gear unit, and main earthing (8) and secondary earthing (10) synchronization action.
2. the earthed switch of the double-fracture circuit breaker of while ground connection according to claim 1, it is characterized in that: described jointed gear unit comprises the final drive shaft (3) being arranged on earthed switch (1), and main earthing (8) is fixedly mounted on the end of final drive shaft (3); Secondary rotation axis (4) is installed on mounting base (7), and final drive shaft (3) is connected with counter drive shaft (4) by connecting rod (2).
3. the earthed switch of the double-fracture circuit breaker of while ground connection according to claim 2, is characterized in that: the two ends of described connecting rod (2) are all fixedly connected with counter drive shaft (4) with final drive shaft (3) by connecting lever.
4. the earthed switch of the double-fracture circuit breaker of ground connection according to described in claim 2 or 3 time, is characterized in that: described double-fracture circuit breaker (5) comprises two double-fracture circuit breakers that be arranged in parallel; The end of incoming cables of two double-fracture circuit breakers is connected copper bar (6) with leading-out terminal by two and is in parallel; On the connection copper bar of two double-fracture circuit breaker ends of incoming cables, be provided with the main earthing (8) on final drive shaft (3) and match the end of incoming cables fixed contact (9) of two double-fracture circuit breaker end of incoming cables ground connection; On the connection copper bar of two double-fracture breaker outgoing line ends, be provided with the secondary earthing (10) on counter drive shaft (4) and match the leading-out terminal fixed contact (11) of two double-fracture breaker outgoing line end ground connection.
5. the earthed switch of the double-fracture circuit breaker of ground connection according to described in claim 2 or 3 time, is characterized in that: described double-fracture circuit breaker (5) comprises two double-fracture circuit breakers that be arranged in parallel; On the end of incoming cables of two double-fracture circuit breakers, be separately installed with end of incoming cables fixed contact (9), the leading-out terminal of two double-fracture circuit breakers connects copper bar (6) company of being in series by one; The two ends of final drive shaft (3) are all provided with respectively and match with two end of incoming cables fixed contacts (9) the main earthing (8) of two double-fracture circuit breaker end of incoming cables ground connection; Connect on copper bar (6) and be provided with the secondary earthing (10) on counter drive shaft (4) and match the leading-out terminal fixed contact (11) of two double-fracture breaker outgoing line end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420303777.0U CN203910571U (en) | 2014-06-09 | 2014-06-09 | Grounding switch for simultaneously grounding double-break circuit breakers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420303777.0U CN203910571U (en) | 2014-06-09 | 2014-06-09 | Grounding switch for simultaneously grounding double-break circuit breakers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910571U true CN203910571U (en) | 2014-10-29 |
Family
ID=51784827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420303777.0U Withdrawn - After Issue CN203910571U (en) | 2014-06-09 | 2014-06-09 | Grounding switch for simultaneously grounding double-break circuit breakers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104036985A (en) * | 2014-06-09 | 2014-09-10 | 福开尔（西安）电气有限公司 | Grounding switch of double-break breaker |
-
2014
- 2014-06-09 CN CN201420303777.0U patent/CN203910571U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104036985A (en) * | 2014-06-09 | 2014-09-10 | 福开尔（西安）电气有限公司 | Grounding switch of double-break breaker |
| CN104036985B (en) * | 2014-06-09 | 2016-02-24 | 福开尔（西安）电气有限公司 | A kind of earthed switch of double-fracture circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205230913U (en) | Three -position isolation grounding switch | |
| CN102290731B (en) | Three-phase common-proper compact type solid insulation high voltage alternating current vacuum switching cabinet | |
| CN204011230U (en) | 252kV bus separate-box type GIS combined electrical apparatus novel bus earthed switch | |
| CN203910571U (en) | Grounding switch for simultaneously grounding double-break circuit breakers | |
| CN102280833B (en) | 40.5 KV outdoor Gas Insulated Switchgear (GIS) | |
| CN104036985B (en) | A kind of earthed switch of double-fracture circuit breaker | |
| CN202307657U (en) | 126 kV outdoor AC high-voltage isolation switch | |
| CN109950825A (en) | A kind of Cubicle Gas-Insulated Switchgear of gas tank structure up and down | |
| CN102543558B (en) | Vacuum switch module for looped network cabinet | |
| CN2927427Y (en) | Structure for installing isolated switch in medium-voltage switch cabinet | |
| CN107785207A (en) | A kind of high voltage isolator and grounding switch operation interlocking mechanism | |
| CN202855601U (en) | Single-arm vertical-folding insertion-type outdoor high-voltage direct-current grounding switch | |
| CN202110995U (en) | Vacuum disconnector | |
| CN203690140U (en) | Operating device for grounding switch of 126 kV gas-insulated metal-enclosed switchgear | |
| CN201210461Y (en) | 35kV outdoor AC high isolating switch | |
| CN205791034U (en) | A kind of novel intelligent integral switch cabinet | |
| CN205610080U (en) | Solid insulation metal enclosed switchgear | |
| CN203481116U (en) | Three-station insulating switch | |
| CN203242554U (en) | Vacuum circuit breaker | |
| CN202678818U (en) | Box type fixed AC (alternating current) metal-enclosed switchgear | |
| CN201708446U (en) | Vacuum disconnector combined electrical apparatus | |
| CN202076181U (en) | Isolating switch with arc striking device | |
| CN104124641B (en) | Intelligent solid insulation vacuum switch equipment | |
| CN202917887U (en) | XGN66-12 high-voltage switch cabinet | |
| CN102064037B (en) | Combined type ground switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141029 Effective date of abandoning: 20160224 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |