CN215850847U - Compact rail transit high-speed overhead rigid contact network electric phase separation system - Google Patents
Compact rail transit high-speed overhead rigid contact network electric phase separation system Download PDFInfo
- Publication number
- CN215850847U CN215850847U CN202121803274.6U CN202121803274U CN215850847U CN 215850847 U CN215850847 U CN 215850847U CN 202121803274 U CN202121803274 U CN 202121803274U CN 215850847 U CN215850847 U CN 215850847U
- Authority
- CN
- China
- Prior art keywords
- rigid contact
- electric phase
- contact network
- phase separation
- rail transit
- 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.)
- Active
Links
Images
Landscapes
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The utility model provides a compact rail transit high-speed overhead rigid contact network electric phase splitting system which comprises insulated anchor section joints, wherein the two insulated anchor section joints are arranged on a rigid contact network and divide the rigid contact network into three sections, the middle section is a neutral section, and power supply arms are arranged on two sides of the neutral section. The utility model can ensure the electrical function of the electric phase splitting, simplify the structural form and installation of the electric phase splitting and improve the current collection quality of the bow net at the electric phase splitting position.
Description
Technical Field
The utility model belongs to the field of rail transit, and particularly relates to a compact rail transit high-speed overhead rigid contact network electric phase separation system.
Background
The urban rail transit is a new development direction in China after high-speed rail and subway, has the characteristics of large station spacing and high train running speed, and is the current optimal technical scheme by adopting an alternating current overhead rigid contact network power supply system to meet the installation requirement of a small-section tunnel of an underground line in a central urban area. At present, a plurality of section insulators are generally selected to form an electric phase splitting unit for a domestic iron low-speed line rigid contact network electric phase splitting, and the rigid contact network in the mode has multiple hard points, multiple neutral sections and long distance of a dead zone, and is one of key factors for limiting the rigid contact network to adapt to higher pantograph-catenary operation speed.
Fig. 1 shows a schematic diagram of a conventional form of an electrical phase separation of a rigid contact network. As can be seen from the figure, 3 section insulators are selected for the conventional rigid contact network electric phase separation to form two non-electric regions, and the section insulators are arranged between two suspension points to realize the electric phase separation function. The conventional section or split-phase insulator realizes electrical insulation through device type insulating equipment, the aging and failure problems of the insulating equipment need to be considered, on one hand, at least 2 neutral areas need to be synchronously arranged to set safety redundancy, and on the other hand, the operation and maintenance frequency of the insulating equipment also needs to be increased.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model provides a simple rail transit high-speed overhead rigid contact network electric phase splitting system, which can ensure the electric function of electric phase splitting, simplify the structural form and installation of the electric phase splitting system and improve the current collection quality of a bow net at the electric phase splitting position.
The technical scheme adopted by the utility model is as follows: the simple rail transit high-speed overhead rigid contact network electric phase splitting system comprises two insulating anchor section joints, wherein the two insulating anchor section joints are arranged on a rigid contact network and divide the rigid contact network into three sections, the middle section is a neutral section, and power supply arms are arranged on two sides of the neutral section.
Furthermore, a contact line arc extinguishing angle mechanism is arranged on a bus bar terminal of the insulating anchor section joint.
Further, the contact line arc extinguishing angle mechanism is an arc extinguishing angle frame, the arc extinguishing angle frame is fixed at the end part of the bus bar terminal through bolts, and is connected with the contact line in a parallel mode through a parallel line clamp.
Furthermore, two bus bar hanging mechanisms are arranged on each side bus bar of the insulating anchor section joint.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model adopts two insulating anchor segment joints, and a rigid contact net between the insulating anchor segment joints forms a single neutral segment. The electric phase splitting arrangement form and the structure are compact and simple as a whole, the number of electric segments is simplified, and weak links of bow net current collection are reduced. The number of neutral sections is only 1, so that the conversion transition of the pantograph in different neutral sections is reduced; the workload and the adjustment difficulty of construction installation and operation maintenance are reduced, and the contact network can realize a better current receiving state; the rigid contact net hard points can be reduced, and the pantograph-catenary current collection quality can be improved remarkably.
2. The contact wire arc extinguishing angle mechanism is arranged at the insulating anchor section joint, so that the problem that the insulating anchor section joint has no arc extinguishing function is solved. When the two sides of the insulating anchor section joint have pressure difference, the ablation of the bus bar and the contact line by arc discharge is avoided.
Drawings
FIG. 1 is a schematic diagram of a conventional form of an electrical phase separation of a rigid contact network;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a contact line arc extinguishing angle mechanism according to an embodiment of the utility model;
FIG. 4 is a schematic side view of a contact line arc extinguishing angle mechanism according to an embodiment of the utility model.
In the figure, 1-neutral section, 2-first power supply arm, 3-second power supply arm, 4-busbar suspension mechanism, 5-busbar terminal, 6-arc suppression angle bracket, 7-bolt, 8-parallel wire clamp and 9-contact wire.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The embodiment of the utility model provides a simple rail transit high-speed overhead rigid contact network power phase separation system, which comprises insulated anchor segment joints, wherein the two insulated anchor segment joints are arranged on a rigid contact network to divide the rigid contact network into three sections, the middle section is a neutral section 1, and the two sides are respectively provided with a first power supply arm 2 and a second power supply arm 3. The first supply arm 2 and the second supply arm 3 are charged and the neutral section 1 is not charged. And two bus bar hanging mechanisms 4 are arranged on the bus bar on each side of the insulating anchor section joint. The length of the neutral section 1 can be adaptively arranged according to the number and the spacing of the pantographs. For 8 marshalling trains adopting a single pantograph to draw current, the length of the neutral section 1 is theoretically larger than the width of a pantograph slide plate, so that the shortest length of the neutral section 1 can be realized, the length of a dead zone for the trains to pass is reduced to the maximum extent, the problems of traction loss and speed reduction of the trains are solved, and the running quality is improved; for a long marshalling train or a multi-connection train adopting 2 groups of pantograph current taking, the length of a dead zone of the neutral section 1 is set by combining the connection condition of a high-voltage bus and the distance between the pantographs.
As shown in fig. 3-4, the busbar terminal 5 of the insulated anchor segment joint is provided with a contact wire arc extinguishing angle mechanism. The contact line arc extinguishing angle mechanism is an arc extinguishing angle frame 6, the arc extinguishing angle frame 6 is fixed at the end part of the busbar terminal 5 through a bolt 7, and is connected with the bent contact line 9 through a connecting line clamp 8. The contact wire arc extinguishing angle mechanism plays a role in arc striking, and ablation damage to the contact wire 9 and a nearby bus bar caused by arc striking is avoided.
The present invention has been described in detail with reference to the embodiments, but the description is only illustrative of the present invention and should not be construed as limiting the scope of the present invention. The scope of the utility model is defined by the claims. The technical solutions of the present invention or those skilled in the art, based on the teaching of the technical solutions of the present invention, should be considered to be within the scope of the present invention, and all equivalent changes and modifications made within the scope of the present invention or equivalent technical solutions designed to achieve the above technical effects are also within the scope of the present invention.
Claims (4)
1. The utility model provides a high-speed overhead rigid contact net electricity phase separation system of succinct type track traffic which characterized in that: the rigid contact net is divided into three sections, the middle section is a neutral section, and the two sides are power supply arms.
2. The compact rail transit high-speed overhead rigid contact network electric phase separation system of claim 1, characterized in that: and a contact line arc extinguishing angle mechanism is arranged on a busbar terminal of the insulating anchor section joint.
3. The compact rail transit high-speed overhead rigid contact network electric phase separation system of claim 2, characterized in that: the contact line arc extinguishing angle mechanism is an arc extinguishing angle frame, the arc extinguishing angle frame is fixed at the end part of the bus bar terminal through bolts, and is connected with the contact line in a parallel mode through a parallel line clamp.
4. The compact rail transit high-speed overhead rigid contact network electric phase separation system of claim 1, characterized in that: and two bus bar hanging mechanisms are arranged on the bus bar on each side of the insulating anchor section joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121803274.6U CN215850847U (en) | 2021-08-04 | 2021-08-04 | Compact rail transit high-speed overhead rigid contact network electric phase separation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121803274.6U CN215850847U (en) | 2021-08-04 | 2021-08-04 | Compact rail transit high-speed overhead rigid contact network electric phase separation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215850847U true CN215850847U (en) | 2022-02-18 |
Family
ID=80329911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121803274.6U Active CN215850847U (en) | 2021-08-04 | 2021-08-04 | Compact rail transit high-speed overhead rigid contact network electric phase separation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215850847U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114655081A (en) * | 2022-03-28 | 2022-06-24 | 中铁十二局集团电气化工程有限公司 | Articulated electric split-phase construction method for overhead rigid contact network with speed of 160km per hour |
-
2021
- 2021-08-04 CN CN202121803274.6U patent/CN215850847U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114655081A (en) * | 2022-03-28 | 2022-06-24 | 中铁十二局集团电气化工程有限公司 | Articulated electric split-phase construction method for overhead rigid contact network with speed of 160km per hour |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104210385A (en) | Electrified railway power grid system without negative sequence or spaced power supply networks in whole process | |
| CN215850847U (en) | Compact rail transit high-speed overhead rigid contact network electric phase separation system | |
| CN101612894B (en) | Electric locomotive pantograph arc blowout device | |
| CN111422104A (en) | Partition structure applied to double-side power supply mode of alternating current complex line electrified railway | |
| CN108909541B (en) | Power supply structure for AT of electrified railway | |
| CN212046997U (en) | Return circuit device for limiting power cross-area transmission of urban rail transit power supply system | |
| CN101767540A (en) | Switch-free switching auto-passing neutral section device for the electric railway | |
| CN113771700B (en) | Electric phase splitting equipment for long-distance rail transit high-speed overhead rigid contact network | |
| CN216709078U (en) | Flexible gravity compensation type mobile contact network for large goods yard of electrified railway | |
| CN113415214B (en) | Current connection device at turnout and using method thereof | |
| CN2683441Y (en) | Electric section arrangement for overhead rigid suspension contacting net | |
| CN211641916U (en) | Traction power supply system structure applying single-phase traction transformer | |
| CN211556386U (en) | Use electrically conductive rotatory swing arm and U type electric connector on removing contact net | |
| CN111016668B (en) | Double-ring type current-receiving-grounding compatible system suitable for high-speed railway | |
| CN108995563B (en) | Power supply structure of electrified railway switching station | |
| CN115782701B (en) | Contact net anchor section joint electric connection system | |
| CN107966628B (en) | Plough belt rolling three-phase power supply experimental system | |
| CN110843610A (en) | Traction power supply system structure applying single-phase traction transformer | |
| CN212604658U (en) | Electric sectioning device of railway contact net | |
| CN201610086U (en) | Electrical connection structure of outer conductor rail for expansion joint | |
| CN203611783U (en) | Rail traffic entrance and exit section line segmented insulator | |
| CN201604535U (en) | Expansion joint of rigid contact system | |
| CN214240500U (en) | Sectional insulator for direct-current 3kV rigid suspension contact network | |
| CN212604656U (en) | Electric segmenting device at crossed turnout | |
| CN212604657U (en) | Electric segmenting device at single turnout |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |