CN111409515A - Closed type double-sliding-contact-surface third rail power supply structure - Google Patents
Closed type double-sliding-contact-surface third rail power supply structure Download PDFInfo
- Publication number
- CN111409515A CN111409515A CN202010370055.7A CN202010370055A CN111409515A CN 111409515 A CN111409515 A CN 111409515A CN 202010370055 A CN202010370055 A CN 202010370055A CN 111409515 A CN111409515 A CN 111409515A
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- Prior art keywords
- contact
- rail
- sliding
- current collector
- double
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- 230000001681 protective effect Effects 0.000 claims abstract description 12
- 239000004020 conductor Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 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
- 238000011160 research 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
- B60M1/30—Power rails
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/38—Current collectors for power supply lines of electrically-propelled vehicles for collecting current from conductor rails
- B60L5/39—Current collectors for power supply lines of electrically-propelled vehicles for collecting current from conductor rails from third rail
-
- 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
- B60M1/30—Power rails
- B60M1/307—Supports
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses a closed type double-sliding-contact-surface third rail power supply structure which comprises a double-sliding-contact-surface contact rail, a protective cover, a current collector arm and a current collector shoe head, wherein two sliding contact surfaces of the double-sliding-contact-surface contact rail are arranged in parallel, the protective cover annularly surrounds the double-sliding-contact-surface contact rail, an opening is formed in one side of the protective cover, one end of the current collector arm extends out of the opening, the other end of the current collector arm is elastically connected with the current collector shoe head, the current collector shoe head is respectively used for being in contact with the two sliding contact surfaces, and the current collector arm can drive the current collector shoe head. When the train is displaced transversely, the collector arm is elastically connected with the collector shoe head and the collector arm, so that the collector arm can be basically kept in the middle of the two sliding contact surfaces and cannot be contacted with the opening of the protective cover, and meanwhile, the contact force of the two sliding contact surfaces is always constant under high-speed movement, and the stable current collection is ensured.
Description
Technical Field
The invention relates to the technical field of rail transit power supply, in particular to a closed type double-sliding-contact-surface third rail power supply structure.
Background
In the field of ground urban rail transit and tourism rail transit, a contact net or a third rail is often adopted for power supply, and the traditional third rail protective cover cannot completely seal the contact rail. Therefore, for a non-completely closed circuit, the existing third rail power supply has certain potential safety hazard, and a closed third rail power supply structure with a higher protection level needs to be developed.
Researchers have conducted many researches for this purpose, and chinese patent publication No. CN203110950 discloses a sectional power supply safety three-rail, which adopts a mode that a plurality of magnetic flow guiding modules and a vehicle-mounted current collector of a rail vehicle are sequentially attracted and sequentially released after the current collector leaves, so that each magnetic flow guiding module and a backflow plate corresponding to the lower part thereof are only electrified in a time period that the vehicle-mounted current collector passes through, thereby realizing local electrification of the safety three-rail. Chinese patent publication No. CN201914122 discloses an earth-embedded contact rail power supply system, which includes a plurality of conductor rails and a plurality of insulated rails, wherein the plurality of conductor rails are controlled by an on-grid power distribution system to be powered on and powered off, so that the conductor rails passing through by trains are powered on to provide electric energy for the trains, and the conductor rails not passing through or passing through by the trains are powered off. The technical scheme can realize subsection power supply of the conductor rail theoretically, ensure that the conductor rail at the running position of the train is electrified, and ensure safety. However, the technical scheme has the problems of complex technology, high implementation difficulty, high manufacturing cost, poor high-speed adaptability and the like in the implementation process.
Disclosure of Invention
The invention aims to: aiming at the problems in the prior art, the invention provides a closed type double-sliding-contact-surface third rail power supply structure which has the advantages of simpler structure, lower manufacturing cost and better high-speed adaptability.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a closed two smooth contact surface third rail power supply structure, includes two smooth contact surface contact rails, protection casing, current collector arm and current collector boots head, two smooth contact surface parallel arrangement of two smooth contact surface contact rails, the protection casing annular surrounds two smooth contact surface contact rails, one side of protection casing is equipped with the opening, the one end of current collector arm is stretched out the opening, the other end elastic connection of current collector arm has the current collector boots head, the current collector boots head be used for respectively with two smooth contact surface contacts, the current collector arm can drive the current collector boots head along smooth contact surface slides.
The collector arm is used for being connected with a train (which can be a bogie or a train body), the collector arm and the train have transverse (vertical to the sliding contact surface direction) freedom, and a transverse return spring is arranged between the collector arm and the train. When the train runs, the train drives the collector arm to move forwards, so that the collector arm drives the collector shoe head to slide along the sliding contact surface. When the train is displaced transversely (perpendicular to the sliding contact surface), the collector shoe and the collector arm are elastically connected due to the transverse freedom between the collector arm and the train, and the collector arm can be basically kept at the middle position of the two sliding contact surfaces without contacting with the opening of the protective cover. Meanwhile, the contact force of the two sliding contact surfaces can be ensured to be constant all the time under high-speed motion, and the current collection stability is ensured. And because the protective cover annularly surrounds the double-sliding-contact-surface contact rail, only one opening is reserved, and therefore the protection level of the third rail power supply structure is improved. The power supply structure has the advantages of simpler structure, lower manufacturing cost and better high-speed adaptability.
The double-sliding-surface contact rail mounting device comprises a contact rail mounting clamp and an insulating support, wherein the double-sliding-surface contact rail is mounted in the contact rail mounting clamp, the contact rail mounting clamp is mounted on the insulating support, and the protective cover is arranged on the outer side of the contact rail mounting clamp.
In a preferred embodiment of the invention, the collector shoe is connected to the collector arm by means of an elastic element.
As a preferable aspect of the present invention, the elastic member is a spring.
As a preferred embodiment of the present invention, the double-sliding-contact-surface contact rail is a double-rail structure or a grooved rail.
As a preferable scheme of the present invention, each of the collector shoes is provided with a groove, the collector arm is provided with a protrusion, the protrusion is adapted to the groove, and the protrusion can drive the collector arm to slide along a slide way formed by the two grooves, so that the collector arm has a certain degree of freedom in the transverse direction.
As a preferable aspect of the present invention, a position adjusting device is provided between the contact rail mounting jig and the insulating support, and the mounting position of the double-sliding-contact-surface contact rail can be adjusted.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
when the train is displaced in the transverse direction (perpendicular to the sliding contact surface), the collector shoe and the collector arm are elastically connected due to the transverse freedom between the collector arm and the train, and the collector arm can be basically kept in the middle position of the two sliding contact surfaces without contacting with the opening of the protective cover. Meanwhile, the contact force of the two sliding contact surfaces can be ensured to be constant all the time under high-speed motion, and the current collection stability is ensured. And because the protective cover annularly surrounds the double-sliding-contact-surface contact rail, only one opening is reserved, and therefore the protection level of the third rail power supply structure is improved. The power supply structure has the advantages of simpler structure, lower manufacturing cost and better high-speed adaptability.
Drawings
Fig. 1 is a cross-sectional view of a double-sliding-contact-surface contact rail of a closed-type double-sliding-contact-surface third rail power supply structure according to the invention, which is in a double-rail structure.
Fig. 2 is a cross-sectional view of a double-sliding-contact-surface contact rail of the closed type double-sliding-contact-surface third rail power supply structure of the invention in a groove-shaped rail structure.
Icon: 1-insulating support, 2-contact rail mounting clamp, 3-double-sliding-contact-surface contact rail, 31-sliding contact surface, 4-protective cover, 5-current collector shoe head, 6-current collector arm, 7-train, 8-elastic element, 9-lug, 10-groove and 11-transverse reset spring.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1, the enclosed double-sliding-contact-surface third rail power supply structure comprises an insulating support 1, a contact rail mounting clamp 2, a double-sliding-contact-surface contact rail 3, a protective cover 4, a current collector shoe 5 and a current collector arm 6.
In this embodiment, the double-sliding-contact-surface contact rail 3 is a double-rail structure, each rail is provided with a sliding contact surface 31, and the two sliding contact surfaces 31 are parallel and opposite to each other.
Two sliding contact face contact rails 3 are installed in contact rail sectional fixture 2, contact rail sectional fixture 2 is installed on insulating support 1, contact rail sectional fixture 2 with can be equipped with position control device between the insulating support 1, thereby the adjustment two sliding contact face contact rail 3's mounted position.
The outside of conductor rail sectional fixture 2 is equipped with protection casing 4, 4 ring-type encirclements of protection casing two sliding contact face conductor rail 3 only have an opening in one side reservation, the opening is used for stretching out current collector arm 6.
One end of the collector arm 6 extends out of the opening and is adapted to be connected to a train 7, which may be connected to a bogie or a body of the train. Meanwhile, a transverse return spring 11 is arranged between the collector arm 6 and the train 7, and a transverse (vertical to the sliding contact surface direction) degree of freedom is formed between the collector arm 6 and the train 7.
The other end of the current collector arm 6 is elastically connected with two current collector shoes 5, specifically, each current collector shoe 5 is connected with the current collector arm 6 through an elastic element 8, and the elastic element 8 includes two springs arranged in parallel. And every current collector boot 5 all is equipped with recess 10, be equipped with two lugs 9 on the current collector arm 6, lug 9 with recess 10 looks adaptation, just lug 9 can drive current collector arm 6 is along two the slide that recess 10 formed slides, makes current collector arm 6 has certain degree of freedom in the smooth face direction of perpendicular to.
The collector shoes 5 are respectively used for contacting with the two sliding contact surfaces 31, and when the train 7 runs, the collector arms 6 can drive the collector shoes 5 to slide forwards along the sliding contact surfaces 31.
Example 2
As shown in fig. 2, the present embodiment is different from embodiment 1 in that the double-sliding-contact-surface contact rail 3 is a grooved rail, two sliding contact surfaces 31 are disposed on two opposite inner side surfaces of the grooved rail, and the sliding contact surfaces 31 may be disposed on the inner side surfaces of the entire grooved rail.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a closed two smooth face third rail power supply structure, a serial communication port, including two smooth face contact rails, protection casing, current collector arm and current collector boots head, two smooth face parallel arrangement of smooth face contact rail of two, the protection casing surrounds the two smooth face contact rails, one side of protection casing is equipped with the opening, the one end of current collector arm is stretched out the opening, the other end elastic connection of current collector arm has the current collector boots head, the current collector boots head be used for respectively with two the smooth face contacts, the current collector arm can drive the current collector boots head along the smooth face slides.
2. The enclosed type double-sliding-contact-surface third rail power supply structure according to claim 1, further comprising a contact rail mounting fixture and an insulating support, wherein the double-sliding-contact-surface contact rail is mounted in the contact rail mounting fixture, the contact rail mounting fixture is mounted on the insulating support, and the protective cover is arranged outside the contact rail mounting fixture.
3. The enclosed double-wiping-surface third rail supply structure according to claim 1, wherein the collector shoe is connected to the collector arm by an elastic element.
4. The enclosed double-sliding-contact-surface third rail power supply structure according to claim 1, wherein the elastic element is a spring.
5. The enclosed double-sliding-contact-surface third rail power supply structure according to any one of claims 1 to 4, wherein the double-sliding-contact-surface contact rail is a double-rail structure or a groove-type rail.
6. The enclosed double-sliding-contact-surface third rail power supply structure according to any one of claims 1 to 4, wherein each collector shoe is provided with a groove, the collector arm is provided with a protrusion, the protrusion fits into the groove, and the protrusion can drive the collector arm to slide along a slide way formed by the two grooves.
7. The enclosed double-sliding-contact-surface third rail power supply structure according to any one of claims 1 to 4, wherein a position adjusting device is arranged between the contact rail mounting clamp and the insulating bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010370055.7A CN111409515B (en) | 2020-04-30 | Enclosed double-sliding contact surface third rail power supply structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010370055.7A CN111409515B (en) | 2020-04-30 | Enclosed double-sliding contact surface third rail power supply structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111409515A true CN111409515A (en) | 2020-07-14 |
| CN111409515B CN111409515B (en) | 2024-10-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115805813A (en) * | 2022-12-21 | 2023-03-17 | 中铁二院工程集团有限责任公司 | Current collector of embedded third rail power supply system and third rail |
Citations (8)
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|---|---|---|---|---|
| JP2004140904A (en) * | 2002-10-16 | 2004-05-13 | Furukawa Electric Co Ltd:The | Current collector arrangement for insulated trolley |
| DE102007011709A1 (en) * | 2007-02-12 | 2008-08-14 | Bombardier Transportation Gmbh | Arrangement for supplying electricity to trace-bound vehicle, has bus bar, which runs in upper open channel along drive of vehicle |
| CN207147911U (en) * | 2017-07-17 | 2018-03-27 | 中国铁道科学研究院 | A kind of three rails of annular spread/collector shoe is by stream and abrasion test platform |
| JP2018149902A (en) * | 2017-03-13 | 2018-09-27 | 川崎重工業株式会社 | Railway vehicle truck |
| CN108749653A (en) * | 2018-05-23 | 2018-11-06 | 中铁二院工程集团有限责任公司 | A kind of rail traffic third rail guard |
| CN109768451A (en) * | 2019-02-20 | 2019-05-17 | 福建隆融机电设备有限公司 | A kind of brush structure being installed in current collector for trolley conductor |
| CN110194060A (en) * | 2018-02-27 | 2019-09-03 | 比亚迪股份有限公司 | Pantagraph current collector and electric locomotive with it |
| CN212243040U (en) * | 2020-04-30 | 2020-12-29 | 中铁二院工程集团有限责任公司 | Closed type double-sliding-contact-surface third rail power supply structure |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004140904A (en) * | 2002-10-16 | 2004-05-13 | Furukawa Electric Co Ltd:The | Current collector arrangement for insulated trolley |
| DE102007011709A1 (en) * | 2007-02-12 | 2008-08-14 | Bombardier Transportation Gmbh | Arrangement for supplying electricity to trace-bound vehicle, has bus bar, which runs in upper open channel along drive of vehicle |
| JP2018149902A (en) * | 2017-03-13 | 2018-09-27 | 川崎重工業株式会社 | Railway vehicle truck |
| CN207147911U (en) * | 2017-07-17 | 2018-03-27 | 中国铁道科学研究院 | A kind of three rails of annular spread/collector shoe is by stream and abrasion test platform |
| CN110194060A (en) * | 2018-02-27 | 2019-09-03 | 比亚迪股份有限公司 | Pantagraph current collector and electric locomotive with it |
| CN108749653A (en) * | 2018-05-23 | 2018-11-06 | 中铁二院工程集团有限责任公司 | A kind of rail traffic third rail guard |
| CN109768451A (en) * | 2019-02-20 | 2019-05-17 | 福建隆融机电设备有限公司 | A kind of brush structure being installed in current collector for trolley conductor |
| CN212243040U (en) * | 2020-04-30 | 2020-12-29 | 中铁二院工程集团有限责任公司 | Closed type double-sliding-contact-surface third rail power supply structure |
Non-Patent Citations (1)
| Title |
|---|
| 李鲲鹏;黄德亮;关金发;陈伟杰;冯超;陈吉刚;: "集电靴与接触轨集电系统研究综述", 都市快轨交通, no. 05, 18 October 2018 (2018-10-18) * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115805813A (en) * | 2022-12-21 | 2023-03-17 | 中铁二院工程集团有限责任公司 | Current collector of embedded third rail power supply system and third rail |
| CN115805813B (en) * | 2022-12-21 | 2024-04-26 | 中铁二院工程集团有限责任公司 | Current collector of embedded third rail power supply system and third rail |
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