CN112248885B - A catenary device at the crossover line - Google Patents
A catenary device at the crossover line Download PDFInfo
- Publication number
- CN112248885B CN112248885B CN202010998111.1A CN202010998111A CN112248885B CN 112248885 B CN112248885 B CN 112248885B CN 202010998111 A CN202010998111 A CN 202010998111A CN 112248885 B CN112248885 B CN 112248885B
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- Prior art keywords
- bus bar
- connecting part
- stranded wire
- busbar
- middle anchor
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- 210000001503 joint Anatomy 0.000 claims description 14
- 239000000725 suspension Substances 0.000 claims description 9
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 6
- 239000008397 galvanized steel Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000005452 bending Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/14—Crossings; Points
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
- B60M1/24—Clamps; Splicers; Anchor tips
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
本发明提供了一种交叉渡线处接触网装置，包括左侧汇流排、右侧汇流排、连接部和中间接头，所述左侧汇流排、右侧汇流排用于适配轨道半径、实现标准汇流排间的连接，所述左侧汇流排、右侧汇流排的端部通过中间接头与标准汇流排连接，所述左侧汇流排通过连接部与右侧汇流排连接，左侧汇流排、右侧汇流排通过连接部传递电流，并通过连接部截面面积控制载流能力，所述左侧汇流排、右侧汇流排、连接部为一体成型。本发明同时兼顾交叉道岔工况、弓网受流能力、中锚功能，安全可靠。
The invention provides a catenary device at a crossover line, comprising a left bus bar, a right bus bar, a connecting part and an intermediate joint. The left bus bar and the right bus bar are used to adapt the track radius and realize The connection between the standard bus bars, the ends of the left bus bar and the right bus bar are connected to the standard bus bar through the intermediate joint, the left bus bar is connected to the right bus bar through the connecting part, and the left bus bar is connected to the standard bus bar. , The right busbar transmits current through the connecting portion, and the current carrying capacity is controlled by the cross-sectional area of the connecting portion, and the left busbar, the right busbar, and the connecting portion are integrally formed. The invention takes into account the working conditions of the cross switch, the current receiving capacity of the pantograph and the catenary, and the function of the middle anchor, and is safe and reliable.
Description
Technical Field
The invention belongs to the field of rail transit, and particularly relates to a contact net device at a cross crossover.
Background
Based on the advantages of energy conservation, environmental protection, convenient travel and promotion of urban economic life development, the light rail traffic is rapidly developed in more and more cities, generally under the ground or overhead working condition, because of the restriction of construction conditions of luxurious sections in the cities, an underground tunnel mode is adopted in urban areas, and for ensuring the functional services of train receiving and dispatching, turning back, contact, safety guarantee, temporary parking and the like, the light rail traffic is connected with a main line or a real rail in mutual contact through turnouts, and the light rail traffic relates to crossed turnouts.
The turning radius allowed by the light rail vehicle is generally smaller than that of a subway vehicle, the turnout below R100, particularly the turnout R50/R25, has large turning angle and is only suitable for the light rail vehicle. An underground tunnel generally adopts an overhead bus bar of HL 2213-x TB/T3252-2010 to supply power to a pantograph, wherein the minimum manual pre-bending radius of the bus bar is 80m, the minimum mechanical pre-bending radius is 45m, and as strict requirements are set at suspension points near turnouts, according to actual experience, the actual radius of the bus bar is below R10, the current pre-bending process and processing method of the bus bar exist, the actual radius of the bus bar can not be realized by mechanical pre-bending, and the requirements of the turnouts of a light rail R50/R25 series can not be met. The space at the crossing line of the light rail R50/R25 series turnout is too small to meet the actual conditions of design plane arrangement and construction. In the traditional cross crossover scheme, the number of the middle anchor parts related to the crossover is 4, so that the occupied space is large; different anchor sections are connected through an electric connecting wire, so that the electrified range is expanded, and the power loss risk is improved.
Disclosure of Invention
The invention provides a contact net device at a cross crossover aiming at the technical problems in the prior art, and the contact net device simultaneously considers the working condition of a cross turnout, the current receiving capacity of a bow net and the middle anchor function, and is safe and reliable.
The technical scheme adopted by the invention is as follows: the utility model provides a cross-over line department contact net device, includes left side busbar, right side busbar, connecting portion and intermediate head, left side busbar, right side busbar are used for the adaptation track radius, realize the connection between the standard busbar, the tip of left side busbar, right side busbar is passed through the intermediate head and is connected with the standard busbar, the left side busbar passes through connecting portion and is connected with the right side busbar, and left side busbar, right side busbar pass through connecting portion transmission current to through connecting portion cross sectional area control current-carrying capacity, left side busbar, right side busbar, connecting portion are integrated into one piece.
Preferably, the actual radius of the left and right busbars is less than 10 meters.
Preferably, the actual radius of the left and right busbars is 0.5 m.
Preferably, the connecting portion is connected with the suspension member and the middle anchor member through a middle anchor fixing portion, and the left busbar, the right busbar, the connecting portion and the middle anchor fixing portion are integrally cast.
Preferably, the connecting portion is connected to the suspension member by an adjustable fastening bolt, the adjustable fastening bolt penetrates through the long hole of the suspension member, and a locknut is mounted on the adjustable fastening bolt.
Preferably, the middle anchor part comprises a standard stranded wire clamp, a copper alloy stranded wire or a galvanized steel stranded wire, an insulator and a middle anchor bottom plate, the middle anchor fixing part is connected with the copper alloy stranded wire or the galvanized steel stranded wire through the standard stranded wire clamp, and the tail end of the stranded wire is connected with the civil engineering through the middle anchor bottom plate.
Preferably, the slot pressing plate is connected to a lower portion of the left or right bus bar by a bolt, and a slot space formed by the left or right bus bar, the slot pressing plate, and the bolt is engaged with the slot structure of the contact line.
Preferably, the middle joint is used for connecting the left bus bar or the right bus bar with the overhead bus bar of HL 2213-x TB/T3252-2010.
Preferably, the intermediate joint and the connecting part are made of 6101B aluminum alloy, and the heat treatment state is T6.
Preferably, the cross-sectional dimension of the connecting part is 200mm width x10mm thickness on the upper part, 200mm width x10mm thickness on the lower part, and the cross-sectional dimension of the middle joint is 200mm width x120mm thickness.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the left bus bar, the right bus bar, the connecting part and the like are integrally cast, so that the actual radius of the bus bar is reduced, the number of suspension parts and middle anchors is effectively reduced, the space is saved, the conventional electric connecting wire, the electric connecting wire clamp and other parts are omitted, and the safety risk is reduced;
2. according to the invention, through controlling the materials and the section sizes of the intermediate joint and the connecting part, the electrical communication between the standard bus bar and the small-radius bus bar is realized, and the current-carrying capacity of the system is met;
3. according to the invention, the transverse and vertical adjustment is realized through the adjustable fastening bolt, so that the adaptability of the device is improved;
4. the invention provides a solution for electrification of the light rail vehicle on the functional service line of the underground tunnel.
Drawings
FIG. 1 is a schematic side view of an embodiment of the present invention;
FIG. 2 is a schematic bottom view of an embodiment of the present invention;
FIG. 3 is a schematic view of an intermediate joint according to an embodiment of the present invention;
fig. 4 is a schematic connection diagram of an intermediate joint according to an embodiment of the present invention.
In the figure, 1-a left bus bar, 2-a right bus bar, 3-a connecting part, 4-an intermediate joint, 5-a standard bus bar, 6-a middle anchor fixing part, 7-an adjustable fastening bolt, 8-a hanging part, 9-a clamping groove pressing plate and 10-a contact line.
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 invention provides a contact net device at a cross crossover, which comprises a left busbar 1, a right busbar 2, a connecting part 3, a middle anchor fixing part 6 and a middle joint 4 as shown in figures 1-4, wherein the left busbar 1 and the right busbar 2 are connected through the connecting part 3, the whole body of the left busbar 1 and the right busbar 2 is connected with the middle anchor fixing part 6, the left busbar 1, the right busbar 2, the connecting part 3 and the middle anchor fixing part 6 are integrally formed, the left busbar 1, the right busbar 2, the connecting part 3 and the middle anchor fixing part 6 are formed through matched casting of a metal mold and a mold core, and a casting system comprises a riser, a rain-pouring type ingate, a chill and other casting systems.
The lower parts of the left bus bar 1 and the right bus bar 2 are provided with a plurality of threaded holes, the clamping groove pressing plate 9 is connected with the lower part of the left bus bar 1 or the right bus bar 2 through bolts, and a clamping groove space formed by the left bus bar 1 or the right bus bar 2, the clamping groove pressing plate 9 and the bolts is clamped with the groove-shaped structure of the I-branch contact wire 10.
The upper parts of the left bus bar 1 and the right bus bar 2 are provided with a plurality of through holes, the side surface of the middle joint 4 is also provided with a through hole, and a bolt passes through the through holes to fix the middle joint 4 with the left bus bar 1 and the right bus bar 2. The intermediate joint 4 and the standard bus bar 5 are also fixed through a through hole and a bolt.
The center of the upper layer of the connecting part 3 is provided with a through hole, the adjustable fastening bolt 7 penetrates through the through hole and a long hole of the hanging part 8, the transverse position of the bus bar is adjusted by loosening and fastening the adjustable fastening bolt 7, and the height direction of the bus bar is adjusted by adjusting the position of a locknut arranged on the adjustable fastening bolt 7.
The middle anchor fixing part 6 has two through holes, as shown in fig. 2, which can be connected with two middle anchor parts (not shown). The middle anchor part comprises a standard stranded wire clamp, a copper alloy stranded wire or a galvanized steel stranded wire, an insulator and a middle anchor bottom plate. The middle anchor fixing part 6 is connected with a copper alloy stranded wire or a galvanized steel stranded wire through a standard stranded wire clamp, and the tail end of the stranded wire is connected with the civil engineering through a middle anchor bottom plate.
The left bus bar 1 and the right bus bar 2 are used for adapting to the radius of a track and realizing the connection between standard bus bars 5, the left bus bar 1 and the right bus bar 2 transmit current through the connecting part 3, and the current carrying capacity is controlled through the cross-sectional area of the connecting part 3. In this embodiment, the cross-sectional dimension of the connecting portion 3 is 200mm in width x10mm in the upper portion, 200mm in width x10mm in the lower portion, and the cross-sectional dimension of the intermediate joint 4 is 200mm in width x120mm in the lower portion, so that a 1.5kV direct-current power supply system is realized, and the current-carrying capacity matching of a light rail departure interval of 2min is realized. The intermediate joint 4 and the connecting part 3 are made of 6101B aluminum alloy, and the heat treatment state is T6. The actual radius of the left and right busbars 1 and 2 is 0.5 m. The left busbar 1 or the right busbar 2 is connected to a standard busbar 5 via an intermediate connector 4. The embodiment is adapted to an overhead bus of HL 2213-x TB/T3252-2010.
When the feeding direction is the rear left direction,
1) the current is transmitted to the left front direction through the middle joint 4, the left bus bar 1 and the middle joint 4, and the current carrying capacity of the system is realized;
2) the current is transmitted to the right rear direction through the middle joint 4, the left bus bar 1, the connecting part 3, the right bus bar 2 and the middle joint 4, so that the current carrying capacity of the system is realized;
3) the current carrying capacity of the system is realized by transmitting current to the right front direction through the middle joint 4, the left bus bar 1, the connecting part 3, the right bus bar 2 and the middle joint 4.
During initial installation, a suspension part 8 is installed in the first step, an integrated piece is installed and cast in the second step and comprises a left bus bar 1, a right bus bar 2, a connecting part 3 and a middle anchoring part 6, an intermediate joint 4 is installed in the third step, a standard bus bar 5 is installed in the fourth step, a contact wire 10 is laid in the fifth step, a clamping groove pressing plate 9 is installed in the sixth step, installation is completed, an adjustable fastening bolt 7 is adjusted, and position fine adjustment is achieved. The invention overhauls the loosening condition of the joints of the bolts and the adjustable fastening bolts 7 during operation and maintenance, and ensures reliable operation, maintenance and installation.
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 invention 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 (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010998111.1A CN112248885B (en) | 2020-09-21 | 2020-09-21 | A catenary device at the crossover line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010998111.1A CN112248885B (en) | 2020-09-21 | 2020-09-21 | A catenary device at the crossover line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112248885A CN112248885A (en) | 2021-01-22 |
| CN112248885B true CN112248885B (en) | 2022-03-04 |
Family
ID=74232647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010998111.1A Active CN112248885B (en) | 2020-09-21 | 2020-09-21 | A catenary device at the crossover line |
Country Status (1)
| Country | Link |
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| CN (1) | CN112248885B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2216290A (en) * | 1937-12-01 | 1940-10-01 | British Insulated Cables Ltd | Switch frog for the overhead conductors of electric traction systems |
| JPS555004A (en) * | 1978-06-22 | 1980-01-14 | Nissan Motor | Device for branching feeder trolley wire |
| CN201604535U (en) * | 2010-01-30 | 2010-10-13 | 浙江旺隆轨道交通设备有限公司 | Expansion joint of rigid contact system |
| CN101746281B (en) * | 2010-01-30 | 2012-05-23 | 浙江旺隆轨道交通设备有限公司 | Rigid contact net expansion joint |
| CN103847535A (en) * | 2014-03-17 | 2014-06-11 | 李雷 | Rigid double-wire OCS (Overhead Contact System) |
| CN105059139B (en) * | 2015-08-25 | 2017-09-15 | 中铁电气化局集团宝鸡器材有限公司 | Overheat rigid contact network temperature compensation means |
| CN107482384B (en) * | 2017-09-11 | 2024-02-20 | 长沙勤凯智能科技有限公司 | Automatic disconnection joint device of rigid contact net |
| CN209552992U (en) * | 2019-01-16 | 2019-10-29 | 镇江大全赛雪龙牵引电气有限公司 | One kind flanking rail-engaging system with small curve expansion pipe |
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2020
- 2020-09-21 CN CN202010998111.1A patent/CN112248885B/en active Active
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| Publication number | Publication date |
|---|---|
| CN112248885A (en) | 2021-01-22 |
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| PB01 | Publication | ||
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| CB02 | Change of applicant information |
Address after: Room 125, 36 Central West Road, pilot free trade zone (Airport Economic Zone), Binhai New Area, Tianjin Applicant after: CHINA RAILWAY ELECTRIFICATION SURVEY DESIGN & RESEARCH INSTITUTE Co.,Ltd. Address before: Room 125, 36 Central West Road, pilot free trade zone (Airport Economic Zone), Binhai New Area, Tianjin Applicant before: TIANJIN ZHONGTIE ELECTRIFICATION DESIGN RESEARCH INSTITUTE Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20210122 Assignee: China Railway Shuida (Tianjin) Technology Co.,Ltd. Assignor: CHINA RAILWAY ELECTRIFICATION SURVEY DESIGN & RESEARCH INSTITUTE Co.,Ltd. Contract record no.: X2024980016308 Denomination of invention: A contact network device at the crossover point Granted publication date: 20220304 License type: Common License Record date: 20240924 |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
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