CN205632171U - Rail transit power supply structure - Google Patents
Rail transit power supply structure Download PDFInfo
- Publication number
- CN205632171U CN205632171U CN201620286484.5U CN201620286484U CN205632171U CN 205632171 U CN205632171 U CN 205632171U CN 201620286484 U CN201620286484 U CN 201620286484U CN 205632171 U CN205632171 U CN 205632171U
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- CN
- China
- Prior art keywords
- rail
- power supply
- bar
- electric pole
- return current
- 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- Withdrawn - After Issue
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Abstract
The utility model discloses a rail transit power supply structure relates to the track traffic and pulls power supply technical field. The power supply rail is fixed respectively in the insulator foot both sides with the backward flow rail to kept apart by the insulator foot, power supply pole and backward flow pole are installed on the motor car vehicle is equipped with actuating mechanism's bogie and are kept insulating with the automobile body through insulating lasso respectively, the head end of power supply pole links to each other with actuating mechanism input port's one end, terminal and power supply rail contact, the head end of backward flow pole links to each other with actuating mechanism input port's the other end, terminal and backward flow rail contact, during motor car vehicle operation, the power supply pole is received by electricity, backward flow pole with the friction of backward flow rail with the friction of power supply rail to make the continuous electric flux of motor car vehicle cross the switch area section under not influencing turnout structure and switch operation circumstance, both can be used to urban rail transit such as subway, light rail or electric Railway's existing line transformation, also can be used to the ew line construction.
Description
Technical field
This utility model relates to field of track traffic, particularly to its traction power supply technology.
Background technology
The Traction networks of existing electric railway uses overhead contact line+rail form, and the urban track traffic such as subway, light rail is drawn
Net uses overhead contact line+rail form or conductor rail+rail form, all utilize rail as the return current rail of traction current,
Due to technology or factors economically, rail not exclusively electrically isolates from the earth, and therefore, traction current will be through rail to greatly
Ground is revealed, diffusion, forms stray electrical current, is also referred to as confused stream.Particularly urban track traffic uses DC traction, and it is miscellaneous that it produces
Dissipate electric current and the facility such as bar construction and metal pipe line along the line in railway roadbed bar construction, tunnel all will be produced electrochemical corrosion, from
And affect these structures and the safety of metallic facility and service life.To this, take drainage protection, rail fall resistance, miscellaneous
Dissipate outside electric current collection and pipeline the stray current corrosion safeguard procedures such as painting, have bigger fund input, but still can not fundamentally disappear
Except stray electrical current and long-term corrosion thereof affect.Meanwhile, the potential difference that ground is produced by rail backflow will form step voltage, have
Personal safety may be threatened, it is also desirable to take the precautionary measures of necessity.
It addition, the Traction networks of overhead contact line+rail form or conductor rail+rail form is required for occupying bigger space,
Need to increase tunnel cross-section, and then increase difficulty of construction and cost.
Therefore, a kind of compact conformation of necessary proposition, operation convenience, economical and practical powered construction, and thoroughly eliminate spuious
Electric current and step voltage, the protection person and installation security, improve power supply reliability simultaneously, extension device service life, also allow for
Regular maintenance.
Utility model content
The purpose of this utility model is just to provide a kind of track traffic powered construction, and it can efficiently solve traction power supply and exist spuious
Electric current and step voltage endanger the person and equipment safety problem.
This utility model is for realizing its purpose, by the following technical solutions: a kind of track traffic powered construction, including motor-car vehicle
Car body, drive mechanism and rail and railway roadbed, along railway roadbed bearing of trend continuous laying by power rail, return current rail, insulator foot
The power supply band constituted with insulating shield；The top of insulator foot is provided with boss, the shoulder of boss both sides is respectively equipped with power rail and
Return current rail, the boss top of insulator foot is provided with insulating shield；It is provided with motor-car vehicle by insulating ferrule for electric pole and backflow bar
The forecarriage connection of drive mechanism；Head end for electric pole is connected with one end of the input port of drive mechanism, for the end of electric pole
Contact with power rail；The head end of backflow bar is connected with the other end of drive mechanism input port, and the end of backflow bar connects with return current rail
Touch；Through power rail, constitute vehicle current supply circuit for electric pole, drive mechanism, backflow bar, return current rail.
It is being provided with on the trailing bogie that the forecarriage for electric pole and backflow bar is neighbouring, is separately setting one group of auxiliary power supply bar and auxiliary reflux
Bar, auxiliary power supply bar and between electric pole by auxiliary power supply cable UNICOM, between auxiliary reflux bar and backflow bar by auxiliary reflux electricity
Cable UNICOM, its gap length is identical, and more than the length of switch section.
The setting height(from bottom) of described power rail and return current rail must be higher than rail top.
Described power rail, return current rail and insulator foot interrupt at switch section, and the power rail of interruption and return current rail are respectively by power supply
The length that cable and return cable UNICOM, power rail and return current rail interrupt is more than or equal to the length of switch section.For electric pole and backflow
Bar and auxiliary power supply bar, auxiliary reflux bar are arranged on the forward and backward bogie of motor-car vehicle by insulating ferrule, can make it
In running, keep constant with rail relative distance, preferably keep contacting and by electricity with power rail and return current rail, and with
Car body keeps insulation.
Following technology can be used at switch section, auxiliary power supply bar and between electric pole by auxiliary power supply cable UNICOM, auxiliary
And length more than switch section identical by auxiliary reflux cable UNICOM, its gap length, power supply between backflow bar and backflow bar
Rail and return current rail setting height(from bottom) must be higher than rail tops.Although, power rail and return current rail interrupt at switch section, but use respectively
Service cable and return cable UNICOM, the length of interruption, more than or equal to the length of switch section, can make power rail, return current rail pair
The switch structure of rail and operation do not impact, for electric pole, auxiliary power supply bar, backflow bar, auxiliary reflux bar at rail
Track switch above pass through, formed grade separation, be independent of each other, and keep power supply seriality.Insulator foot and insulating shield have one
Fixed rigidity and plasticity, generally select fiberglass to be advisable.The rigidity of insulator foot should be enough to support power rail and return current rail and come
From the pressure for electric pole with backflow bar rubbed therewith；Insulating shield also has certain rigidity, can bear vehicle and should walk in time
Roll.Utilize the plasticity of insulator foot and insulating shield, power rail and return current rail can be embedded in insulator foot and insulating shield
Joint portion.Insulating ferrule only plays insulating effect, can be selected for the manufactured goods of the materials such as general rubber, resin.
Operation principle of the present utility model is: rigidity insulator foot and insulating shield being had and plasticity and power rail and return current rail
Mounting structure combine, construct a kind of independent traction power supply loop electrically isolating from rail and railway roadbed the compactest, simplest,
Power supply voltage level and system power supply ability can be improved in same space limits；Utilize line and grade separation technology simultaneously,
Do not affect under switch structure and track switch operational circumstances, make vehicle not power-off pass through switch section.
Compared with prior art, the beneficial effects of the utility model are:
1. this utility model comes with the insulation of travelled by vehicle rail, forms independent traction power supply loop, does not produce stray electrical current and ground
Face step voltage, the protection person and installation security.
2. this utility model can improve power supply voltage level and system power supply ability in same space limits.
3. can be prevented effectively from short trouble, improve power supply reliability.
4. this utility model cost taken by themselves is low, can effectively utilize between rail and the space of vehicle bottom simultaneously, not increase once
Property civil engineering costs, economical and practical.
5. this utility model can make vehicle not power-off pass through switch section under not affecting switch structure and track switch operational circumstances.
6. urban look will not be had undesirable effect when running on the ground by this utility model.
7. this utility model compact conformation, install simple, easy to maintenance, safe and reliable, service life is long, is not only suitable for new line
Build, be also applied for Existing railway promotion.
Accompanying drawing explanation
Fig. 1 is the power supply band schematic cross-section of this utility model embodiment.
Fig. 2 is the auxiliary power supply cable connection diagram of this utility model switch section.
Detailed description of the invention
The utility model will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
Embodiment
Fig. 1 is illustrated that the schematic diagram of track traffic powered construction, a kind of track traffic powered construction, including vehicle car body 9,
Drive mechanism 12 and rail 11 and railway roadbed 5, along railway roadbed 5 bearing of trend continuous laying by power rail 1, return current rail 2, insulation
The power supply band that base 3 and insulating shield 4 are constituted；The top of insulator foot 3 is provided with boss, and the shoulder of boss both sides sets respectively
Having power rail 1 and return current rail 2, the boss top of insulator foot 3 is provided with insulating shield 4；Pass through absolutely for electric pole 6 and backflow bar 7
Edge lasso 8 and motor-car vehicle 9 are provided with the forecarriage 12 of drive mechanism 10 and connect；Head end and drive mechanism 10 for electric pole 6
Input port one end connect, the end for electric pole 6 contacts with power rail 1；The head end of backflow bar 7 and the driving machine of vehicle
The other end of structure 10 input port connects, and the end of backflow bar 7 contacts with return current rail 2；Through power rail 1, confession electric pole 6, drive
Motivation structure 10, backflow bar 7, return current rail 2 constitute the traction power supply loop of motor-car vehicle.Power rail 1 and the installation of return current rail 2
Height must be higher than rail 11 top.Insulator foot 3 and insulating shield 4 have certain rigidity and plasticity, generally select glass
Steel is advisable.The rigidity of insulator foot 3 should be enough to support power rail 1 and return current rail 2 and supply electric pole 6 He from rub therewith
The pressure of backflow bar 7；Insulating shield 4 also has certain rigidity, and that walks when can bear emergency vehicle rolls.Utilize insulation
Base 3 and the plasticity of insulating shield 4, power rail 1 and return current rail 2 can be embedded in insulator foot 3 and the knot of insulating shield 4
Conjunction portion.Insulating ferrule 8 plays insulating effect, can be selected for the manufactured goods of the materials such as general rubber, resin.
Fig. 2 is illustrated that the schematic diagram of this utility model switch section, is being provided with for electric pole 6 and the forecarriage 12 of backflow bar 7
On neighbouring trailing bogie 13, separately set one group of auxiliary power supply bar 14 and auxiliary reflux bar 15, auxiliary power supply bar 14 and confession electric pole 6
Between by between auxiliary power supply cable 16 UNICOM, auxiliary reflux bar 15 and backflow bar 7 by auxiliary reflux cable 17 UNICOM,
Its gap length is identical, and more than the length of switch section.
Following technology can be used: at switch section, power rail 1, return current rail 2 and insulator foot 3 are at track switch at switch section
Sector disruptions, the power rail 1 of interruption and return current rail 2 are respectively by service cable 18 and return cable 19 UNICOM, power rail 1
With the length that the length of return current rail 2 interruption is more than or equal to switch section.For electric pole 6 and backflow bar 7 and auxiliary power supply bar 14,
Auxiliary reflux bar 15 is arranged on the forward and backward bogie of motor-car vehicle by insulating ferrule 8, can make its in running with
Rail relative distance keeps constant, preferably keeps contacting and by electricity with power rail 1 and return current rail 2, and keeps absolutely with car body
Edge.By between auxiliary power supply cable 16 UNICOM, auxiliary reflux bar 15 and backflow bar 7 between auxiliary power supply bar 14 and confession electric pole 6
By auxiliary reflux cable 17 UNICOM, its gap length is identical and more than the length of switch section, and power rail 1 and return current rail 2 are installed
Height must be higher than rail top.Although, power rail 1 and return current rail 2 interrupt at switch section, but respectively with service cable 18
With return cable 19 UNICOM, the length of interruption, more than or equal to the length of switch section, can make power rail 1, return current rail 2 to walking
The switch structure of row rail and operation do not impact, and exist for electric pole 6, auxiliary power supply bar 14, backflow bar 7, auxiliary reflux bar 15
Pass through above the track switch of rail 11, form grade separation, be independent of each other, and keep the seriality of power supply.Insulator foot 3 and insulation
The dielectric constant of guard shield 4 material is high, when using power frequency to power, under same electric pressure, can be greatly enhanced traction and supply
The power supply capacity in electricity loop.
Claims (4)
1. a track traffic powered construction, including car body (9), drive mechanism (12) and rail (11) and the road of vehicle
Bed (5), it is characterised in that: along railway roadbed (5) bearing of trend continuous laying by power rail (1), return current rail (2), insulator foot
And the power supply band that constitutes of insulating shield (4) (3)；The top of insulator foot (3) is provided with boss, and the shoulder of boss both sides divides
Not being provided with power rail (1) and return current rail (2), the boss top of insulator foot (3) is provided with insulating shield (4)；For electric pole (6)
The forecarriage (12) being provided with drive mechanism (10) by insulating ferrule (8) and motor-car vehicle (9) with backflow bar (7) joins
Knot；Head end for electric pole (6) is connected with one end of the input port of drive mechanism (10), for end and the confession of electric pole (6)
Electricity rail (1) contact；The head end of backflow bar (7) is connected with the other end of drive mechanism (10) input port, backflow bar (7)
End contact with return current rail (2)；Through power rail (1), confession electric pole (6), drive mechanism (10), backflow bar (7), return
Trajectory (2) constitutes motor-car vehicle current supply circuit.
A kind of track traffic powered construction the most according to claim 1, it is characterised in that: it is being provided with for electric pole (6) and is returning
One group of auxiliary power supply bar (14) and auxiliary reflux is separately set on the trailing bogie (13) that the forecarriage (12) of flow post (7) is neighbouring
Bar (15), by auxiliary power supply cable (16) UNICOM, auxiliary reflux bar (15) between auxiliary power supply bar (14) and confession electric pole (6)
With by auxiliary reflux cable (17) UNICOM between backflow bar (7), its gap length is identical, and more than the length of switch section.
A kind of track traffic powered construction the most according to claim 1, it is characterised in that: described power rail (1) and backflow
The setting height(from bottom) of rail (2) must be higher than rail (11) top.
A kind of track traffic powered construction the most according to claim 1, it is characterised in that: described power rail (1), return current rail (2)
And insulator foot (3) interrupts at switch section, the power rail (1) of interruption and return current rail (2) are respectively by service cable (18)
The length interrupted with return cable (19) UNICOM, power rail (1) and return current rail (2) is more than or equal to the length of switch section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620286484.5U CN205632171U (en) | 2016-04-07 | 2016-04-07 | Rail transit power supply structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620286484.5U CN205632171U (en) | 2016-04-07 | 2016-04-07 | Rail transit power supply structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205632171U true CN205632171U (en) | 2016-10-12 |
Family
ID=57067558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620286484.5U Withdrawn - After Issue CN205632171U (en) | 2016-04-07 | 2016-04-07 | Rail transit power supply structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205632171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105857118A (en) * | 2016-04-07 | 2016-08-17 | 西南交通大学 | Power supply structure for track traffic |
-
2016
- 2016-04-07 CN CN201620286484.5U patent/CN205632171U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105857118A (en) * | 2016-04-07 | 2016-08-17 | 西南交通大学 | Power supply structure for track traffic |
| WO2017174001A1 (en) * | 2016-04-07 | 2017-10-12 | 西南交通大学 | Railway transportation power supply construction |
| US11065983B2 (en) | 2016-04-07 | 2021-07-20 | Southwest Jiaotong University | Railway transportation power supply construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161012 Effective date of abandoning: 20180619 |