CN207381302U - A kind of electric railway disconnecting switch - Google Patents
A kind of electric railway disconnecting switch Download PDFInfo
- Publication number
- CN207381302U CN207381302U CN201721351921.8U CN201721351921U CN207381302U CN 207381302 U CN207381302 U CN 207381302U CN 201721351921 U CN201721351921 U CN 201721351921U CN 207381302 U CN207381302 U CN 207381302U
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- China
- Prior art keywords
- static contact
- earthing
- insulation column
- connecting rod
- disconnecting switch
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Abstract
The utility model discloses a kind of electric railway disconnecting switch, including pedestal and two insulation columns being located on pedestal, the top of insulation column laterally sets up the static contact and isolation knife towards each other and being separately fixed on an insulation column, the front end of isolation knife is provided with the conducting rod of static contact, conducting rod front end is arranged to outside widened arc structure, earthing is additionally provided on insulation column, grounded pole is set below earthing, grounded pole is set up by rotation axis and can be rotated up contact earthing, it is linked between two insulation columns by first connecting rod, rotation axis is linked by second connecting rod and one of insulation column.In the utility model, insulation column rotation makes static contact and isolation knife separately carry out separating brake, but not it powers off at once, static contact is still contacted with conducting rod, it is drifted apart from after turning over certain radian, ensure that will not arcing electric discharge, and earthing and grounded pole linkage rotation and are carried to simultaneously and complete reliable ground together when rotating separating brake.
Description
Technical field
The utility model is related to field of switch equipment, and in particular to a kind of electric railway disconnecting switch.
Background technology
The traction power of electric railway is electric locomotive, and in itself without the energy, the required energy is supplied locomotive by electric propulsion
Electric system provides.Tractive power supply system is primarily referred to as traction substation and contact net two large divisions, and electric substation is located near railway,
The electric current that it will send from power plant through high voltage transmission line is sent on the contact net in railway overhead, and contact net is to electric locomotive
The equipment for directly transporting electric energy along the both sides of railway line, sets up row's pillar, suspended on metal wire above, as contact
Net, it can also be counted as the artery of electric railway.Electric locomotive obtains electric energy using the pantograph of roof from contact net,
Tractor-trailer train is run.Network planning is formed with two kinds of DC system and AC system by the electric current of contact net, DC system be by high pressure,
Three-phase power is after traction substation decompression and rectification, and to contact net for direct current, this is a kind of earliest electric current system of development, is arrived
Less use after the 1950s, AC system are that high pressure, three-phase power are depressured in electric substation and after becoming single-phase, to
Contact net supplies alternating current.AC system supply voltage is higher, have developed rapidly.The network planning of China's electric railway is opened from one
Begin just using 25 kilovolts of AC systems of single phase industrial frequence (50 hertz), this is advantageously selected for the development of electric railway from now on.
Different with the railway that traditional steam locomotive or diesel locomotive tractor-trailer train are run, electric railway refers to from outside
Power supply and tractive power supply system obtain electric energy, and by the railway of electric locomotive traction train operation, it includes electric locomotive, engineering
The equipment such as facility, tractive power supply system, various electric devices and corresponding railway communication, signal.Electric railway has fortune
The advantages that Movement Capabilities are big, travel speed is fast, the consumption energy is few, operation cost is low, good operation conditions, the main line railway big to freight volume
Electrification is realized with the mountain area main line railway with abrupt slope, major long tunnel, technically, economically has apparent superiority.
By the use of electric locomotive as the railway of traction power.
Electric railway disconnecting switch is a kind of switching switchgear applied in electric railway, for electrification
In railway contact net system, for when there is voltage non-loaded division circuit be used and the high voltage bus to being overhauled, breaker
Electrical equipments is waited with charged high-tension line progress electric appliance to isolate to be used.
Utility model content
The purpose of this utility model is to provide a kind of electric railway disconnecting switch, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the utility model provides following technical solution：A kind of electric railway disconnecting switch, bag
It includes：
Pedestal, both sides are respectively provided with a bearing block；
Insulation column, there are two, it is vertically arranged at respectively in a bearing block and free to rotate；
Main conductive structure, static contact and isolation knife including being separately fixed at an insulation column top are described
Static contact and the isolation knife are set towards each other and the two is in contact, and the front end of the isolation knife is provided with the static contact
Conducting rod, one end of the conducting rod towards the static contact is arranged to outward arc-shaped, two insulation branch
A terminal plate, the static contact and a terminal plate electrical connection being adjacent to, the isolation are respectively provided with above column
Knife and the conducting rod and another described terminal plate electrical connection away from the static contact；
Earthing mechanism, including be arranged on the insulation column where the static contact and with the insulation column and
The vertical earthing of the static contact, the earthing are electrically connected with the terminal plate close to the static contact one side, institute
The lower section for stating earthing is equipped with grounded pole, and the lower end of the grounded pole, which is perpendicularly fixed at, is erected at turning for the base side
On moving axis, the grounded pole can be in contact the upper end after being rotated with the rotation axis with the earthing；
Linkage mechanism, including first connecting rod and second connecting rod, the first connecting rod is erected on two insulation columns
Between for both making linkage rotation, the second connecting rod is erected on described in the rotation axis and one away from the rotation axis
It is rotated between insulation column for dragging the rotation axis.
Preferably, for the electric railway disconnecting switch, the top of the insulation column is equipped with tool apron, described
Static contact, isolation knife and earthing are arranged on the tool apron.
Preferably, for the electric railway disconnecting switch, the tool apron, which is equipped with, protects the driven motor structure
Case including shield.
Preferably, for the electric railway disconnecting switch, the front end of the earthing is equipped with to be hooked described
Grounded pole has contact with, and the top of the grounded pole is equipped with to be linked into the hanging rod having contact with.
Preferably, for the electric railway disconnecting switch, rotating fins are respectively and fixedly provided on the insulation column, institute
It states and is connected between first connecting rod and the second connecting rod and insulation column by the rotating fins.
Preferably, for the electric railway disconnecting switch, the first connecting rod and the second connecting rod with it is described
It is connected between rotating fins by turning joint.
Preferably, for the electric railway disconnecting switch, the insulation column is equipped with silica gel full skirt.
Preferably, for the electric railway disconnecting switch, the pedestal is channel steel base.
Compared with prior art, the beneficial effects of the utility model are：
1st, in closing position, isolation knife connects disconnecting switch provided by the utility model with the static contact on terminal plate
It touches, plays electric action.When mechanism drive disconnecting switch separating brake when, isolation knife is separated with static contact, at this moment conducting rod still with stationary contact
Head connects, and plays electric action, the front end of conducting rod is arranged to arc structure, when isolation knife continues to be transferred to certain angle, leads
The electric pole quickly not arcing between static contact, so as to avoid operation operator mouth, when last isolation knife goes to 90 ° of positions, ground connection
Knife connects with grounded pole, ensure that reliable ground, completes sub-switching operation.
2nd, disconnecting switch provided by the utility model is used for contact nets in electrified railways system, for there is the voltage non-loaded
When division circuit be used and the electrical equipments such as the high voltage bus to being overhauled, breaker carry out electricity with charged high-tension line
Device isolation is used, wherein the disconnecting switch of anti-fouling type can meet the requirement of heavy pollution area user, and can efficiently solve every
Leave the pollution flashover problem closed and occurred in operation.Disconnecting switch realized with grounded part using mechanical interlocking disk, when keeping apart
When closing closing position again, the fan-shaped lock collar limitation earthing switch of earthing switch rotation axis closes a floodgate, and switch main body uses pipe drot gfasplng machine
Structure, terminals are fixedly connected using soft conductive strips, and conductive contact is functional, can adapted manual/electric operating mechanism, realize remote
Square local operation.
Description of the drawings
Fig. 1 is the front view of the utility model,
Fig. 2 is the top view of the utility model,
Fig. 3 is the side view of the utility model,
Wherein, 1, pedestal, 2, bearing block, 3, insulation column, 4, static contact, 5, isolation knife, 6, conducting rod, 7, terminal plate,
8th, earthing, 9, grounded pole, 10, rotation axis, 11, first connecting rod, 12, second connecting rod, 13, tool apron, 14, case, 15, rotation
Fin, 16, turning joint.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Please refer to Fig.1,2,3, the utility model provides a kind of technical solution：A kind of electric railway disconnecting switch, including：
Pedestal 1, both sides are respectively provided with a bearing block 2；
Insulation column 3, there are two, it is vertically arranged at respectively in a bearing block 2 and free to rotate；
Main conductive structure, static contact 4 and isolation knife 5 including being separately fixed at 3 top of insulation column, institute
State that static contact 4 and the isolation knife 5 are set towards each other and the two is in contact, the front end of the isolation knife 5 is provided with described
The conducting rod 6 of static contact 4, one end of the conducting rod 6 towards the static contact 4 are arranged to outward arc-shaped, two
The top of the insulation column 3 is respectively provided with a terminal plate 7, the static contact 4 and 7 electricity of terminal plate being adjacent to
Another described terminal plate 7 of connection, the isolation knife 5 and the conducting rod 6 and the separate static contact 4 is electrically connected；Isolation
In closing position, isolation knife 5 is in contact switch with the static contact 4 on terminal plate 7, plays electric action.Isolate when mechanism drives
When switching separating brake, isolation knife 5 is separated with static contact 4, and at this moment conducting rod 6 still connects with static contact 4, plays electric action, Bu Huizhi
Connect disconnection, and the front end of conducting rod 6 is arranged to arc structure, when isolation knife 5 continues to be transferred to certain angle, conducting rod 6 with
It can be just gradually disengaged between static contact 4, this avoid switching moments disconnections to cause arcing to be discharged, and also avoids operation operator
Mouthful.
Earthing mechanism, including be arranged on the insulation column 3 where the static contact 4 and with the insulation column
3 and the vertical earthing 8 of the static contact 4, the earthing 8 and 7 electricity of the terminal plate close to 4 one side of static contact
Connection, the lower section of the earthing 8 are equipped with grounded pole 9, and the lower end of the grounded pole 9, which is perpendicularly fixed at, is erected at the bottom
In the rotation axis 10 of 1 side of seat, the upper end can be with the earthing 8 after being rotated with the rotation axis 10 for the grounded pole 9
It is in contact；During switch carries out rotation separating brake, earthing 8 is also rotated with insulation column 3, while grounded pole 9 is turning
Also certain angle is rotated up under the drive of moving axis 10, when insulation column 3 is rotated by 90 °, earthing 8 just with grounded pole 9
Upper end hang together and be connected, complete reliable ground connection operation.
Linkage mechanism, including first connecting rod 11 and second connecting rod 12, the first connecting rod 11 be erected on two it is described absolutely
For making the two linkage rotation between edge pillar 3, the second connecting rod 13 is erected on the rotation axis 10 and away from the rotation
It is rotated between one insulation column 3 of axis 10 for dragging the rotation axis 10.Linkage mechanism is by electric or hand operation
Mechanism drives one of insulation column 3 to rotate, so as to by first connecting rod 11 another insulation column 3 be driven to rotate, meanwhile,
Second connecting rod 12 can be dragged in certain angle, one end dragging rotation axis 10 that second connecting rod 12 is connected with rotation axis 10 makes to turn
Moving axis 10 rotates, and grounded pole 9 is made to rotate uplink.
The top of the insulation column 3 is equipped with tool apron 13, and the static contact 4, isolation knife 5 and earthing 8 are arranged at
On the tool apron 13.
The tool apron 13 is equipped with the case 14 including the driven motor structure is protected.
The front end of the earthing 8 is equipped with to be hooked having contact with for the grounded pole 9, the top of the grounded pole 9
Equipped with convenient for being linked into the hanging rod having contact with.
Be respectively and fixedly provided with rotating fins 15 on the insulation column 3, the first connecting rod 11 and the second connecting rod 12 with absolutely
It is connected between edge pillar 3 by the rotating fins 15.
It is connected between the first connecting rod 11 and the second connecting rod 12 and the rotating fins 15 by turning joint 16.
The insulation column 3 is equipped with silica gel full skirt.
The pedestal 1 is channel steel base.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of electric railway disconnecting switch, which is characterized in that including：
Pedestal, both sides are respectively provided with a bearing block；
Insulation column, there are two, it is vertically arranged at respectively in a bearing block and free to rotate；
Main conductive structure, static contact and isolation knife including being separately fixed at an insulation column top, the stationary contact
Head and the isolation knife are set towards each other and the two is in contact, and the front end of the isolation knife is provided with leading for the static contact
Electric pole, one end of the conducting rod towards the static contact are arranged to outward arc-shaped, two insulation columns
Top is respectively provided with a terminal plate, the static contact and a terminal plate electrical connection being adjacent to, the isolation knife and
The conducting rod and another described terminal plate electrical connection away from the static contact；
Earthing mechanism, including be arranged on the insulation column where the static contact and with the insulation column and described
The vertical earthing of static contact, the earthing is electrically connected with the terminal plate close to the static contact one side, described to connect
The lower section of earthing knife-switch is equipped with grounded pole, and the lower end of the grounded pole is perpendicularly fixed at the rotation axis for being erected at the base side
On, the grounded pole can be in contact the upper end after being rotated with the rotation axis with the earthing；
Linkage mechanism, including first connecting rod and second connecting rod, the first connecting rod is erected between two insulation columns
For making the two linkage rotation, the second connecting rod is erected on the rotation axis and an insulation away from the rotation axis
It is rotated between pillar for dragging the rotation axis.
2. electric railway disconnecting switch according to claim 1, which is characterized in that the top of the insulation column is all provided with
There is tool apron, the static contact, isolation knife and earthing are arranged on the tool apron.
3. electric railway disconnecting switch according to claim 2, which is characterized in that the tool apron is equipped with the master
Case including conductive mechanism protection.
4. electric railway disconnecting switch according to claim 1, which is characterized in that the front end of the earthing is equipped with just
In being hooked having contact with for the grounded pole, the top of the grounded pole is equipped with to be linked into the hanging rod having contact with.
5. electric railway disconnecting switch according to claim 1, which is characterized in that be respectively and fixedly provided on the insulation column
Rotating fins are connected between the first connecting rod and the second connecting rod and insulation column by the rotating fins.
6. electric railway disconnecting switch according to claim 5, which is characterized in that the first connecting rod and described second
It is connected between connecting rod and the rotating fins by turning joint.
7. electric railway disconnecting switch according to claim 1, which is characterized in that the insulation column is equipped with silica gel
Full skirt.
8. electric railway disconnecting switch according to claim 1, which is characterized in that the pedestal is channel steel base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721351921.8U CN207381302U (en) | 2017-10-19 | 2017-10-19 | A kind of electric railway disconnecting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721351921.8U CN207381302U (en) | 2017-10-19 | 2017-10-19 | A kind of electric railway disconnecting switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207381302U true CN207381302U (en) | 2018-05-18 |
Family
ID=62335703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721351921.8U Active CN207381302U (en) | 2017-10-19 | 2017-10-19 | A kind of electric railway disconnecting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207381302U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658173A (en) * | 2017-10-19 | 2018-02-02 | 武汉倍诺德开关股份有限公司 | A kind of electric railway disconnecting switch |
| CN112530737A (en) * | 2020-11-28 | 2021-03-19 | 贵州电网有限责任公司 | Novel high-voltage grounding device |
-
2017
- 2017-10-19 CN CN201721351921.8U patent/CN207381302U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658173A (en) * | 2017-10-19 | 2018-02-02 | 武汉倍诺德开关股份有限公司 | A kind of electric railway disconnecting switch |
| CN112530737A (en) * | 2020-11-28 | 2021-03-19 | 贵州电网有限责任公司 | Novel high-voltage grounding device |
| CN112530737B (en) * | 2020-11-28 | 2022-10-28 | 贵州电网有限责任公司 | High-voltage grounding device |
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| GR01 | Patent grant |