CN115805813B - Current collector of embedded third rail power supply system and third rail - Google Patents
Current collector of embedded third rail power supply system and third rail Download PDFInfo
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- CN115805813B CN115805813B CN202211649149.3A CN202211649149A CN115805813B CN 115805813 B CN115805813 B CN 115805813B CN 202211649149 A CN202211649149 A CN 202211649149A CN 115805813 B CN115805813 B CN 115805813B
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- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 238000010586 diagram Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011810 insulating material Substances 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
- 238000005096 rolling process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses a current collector and a third rail of an embedded third rail power supply system, wherein the current collector comprises a current collector cross arm and a current collector vertical arm, the current collector vertical arm is rotatably connected with a sleeve, the current collector vertical arm is connected with the current collector cross arm through the sleeve, the current collector cross arm is connected with a train through a first elastic component, the current collector vertical arm is connected with a current collector boot head, the current collector boot head is used for sliding a sliding surface of a contact rail, the contact surface of the current collector boot head, which is used for being connected with the sliding surface, is a plane, and the current collector vertical arm is used for extending into a protective cover for installing the contact rail. By adopting the structure, the contact area can be increased under the normal running condition, when the train rotates or runs at a high speed to jolt and deflect, the current collection boot head can not be driven to rotate, so that the current collection contact area can not be obviously changed under the above conditions, the current collection quality under the above conditions is improved, and the power supply stability is improved.
Description
Technical Field
The invention relates to the technical field of rail transit power supply, in particular to a current collector of an embedded third rail power supply system and a third rail.
Background
Urban rail transit is an important tool for supporting urban traffic networks. In recent years, rail transit industry in many areas of China is rapidly developed, and the construction scale of the rail transit industry is increased year by year. According to the difference of current acquisition modes of urban rail trains, rail transit power supply modes mainly comprise contact net power supply and contact rail power supply. The overhead contact line has the advantages of lower construction cost than overhead contact line, suitability for routes with smaller radius, good visual effect and the like, and is widely adopted.
However, the current electrified railway and urban rail are mostly in a monopolar contact current collection mode by using the power receiving shoe and the third rail. The current collection boots are controlled by the current collection boots arms to conduct sliding electric contact with the contact rail, the structure is complex, the contact rail is easy to damage, particularly when the speed of the train is high, the contact rail is difficult to grasp accurately and reliably, electric arcs are easy to generate, and the running speed of the train is limited. Meanwhile, most of the existing third rail power supply systems have a certain danger due to lower protection level of electrified rails exposed outdoors; and, the voltage of electrified track can not be too high, otherwise electric arc can be formed between the tracks to the electric current, is unfavorable for the safe operation of train.
Disclosure of Invention
The invention aims to provide a current collector and a third rail of an embedded third rail power supply system, which aims at overcoming the defects that a current collector shoe in the prior art is complex in structure and poor in power supply stability, and is difficult to reliably supply power under high-speed conditions and cornering conditions.
In order to achieve the above object, the present invention provides the following technical solutions:
The utility model provides an embedded third rail power supply system's current collector, contains current collector xarm and current collector vertical arm, current collector vertical arm rotates to be connected with the sleeve, current collector vertical arm pass through the sleeve connection in current collector xarm, current collector xarm is connected in the train through first elastomeric element, current collector vertical arm is connected with the current collector boot, the current collector boot is used for the sliding surface of sliding contact rail, the current collector boot be used for with the contact surface that the sliding surface is connected is the plane, current collector vertical arm is used for stretching into the installation the protection casing of contact rail.
The collector cross arm is connected to the train through the first elastic component, so that the collector cross arm has a transverse (vertical to the sliding surface) degree of freedom between the collector cross arm and the train, the current receiving stability is effectively improved, the collector vertical arm can rotate relative to the collector cross arm in cooperation, and when the train rotates or runs at a high speed, jolt and deflect, the collector cross arm cannot be driven to rotate, so that the current receiving contact area cannot be obviously changed under the conditions, the current receiving quality under the conditions is improved, and the power supply stability is improved.
Preferably, the current collecting boot head comprises two current collecting sliding blocks, the two current collecting sliding blocks are respectively arranged on two sides of the current collector vertical arm, and each current collecting boot head corresponds to one sliding surface.
Further preferably, the collector vertical arms are connected to the corresponding collector shoe heads through second elastic members, and in an initial state, both the second elastic members are in a compressed state.
The initial state is an initial installation state.
Compared with the existing collector shoe structure which performs sliding friction through active control and a contact rail sliding surface, the collector shoe structure adopts the second elastic component to perform passive control, and the contact rail sliding surface is pressed against the collector shoe head to enable the second elastic component to be compressed in an initial state, so that the collector shoe head and the contact rail sliding surface keep stable sliding electric contact drainage.
Further preferably, the second elastic component comprises a first sleeve, a spring and a second sleeve, the first sleeve is sleeved on the outer side of the second sleeve, the first sleeve and the second sleeve are respectively connected with the current collector vertical arm and the current collector boot, and the spring is sleeved between the first sleeve and the second sleeve.
The limit is formed through the first sleeve and the second sleeve, the reset direction of the spring is guaranteed, the contact area of the current collection boot head and the sliding surface is guaranteed, and the current collection stability is further improved.
Further preferably, the current collecting boot further comprises a protection slider, the protection slider is arranged on the front side and the rear side of the current receiving slider, and a buffer piece is arranged between the current receiving slider and the protection slider.
The protection slider can be when passing through the elbow of contact rail tip to receive the flow slider protection, the bolster is used for effectively providing the buffering, and the protection slider can also clear away the ice rain on contact rail surface at ice rain weather simultaneously, is favorable to the train to receive the flow stable.
Further preferably, the current collector vertical arm is connected with the current receiving slide block and the protection slide block through the corresponding second elastic component respectively.
The current-collecting slide block and the protection slide block are respectively provided with an elastic device, so that the current-collecting slide block and the protection slide block have a certain swinging quantity and are independent from each other.
Further preferably, the current-collecting slide block is replaced by a plurality of current-collecting rollers, and all the current-collecting rollers are coaxially arranged along the longitudinal direction.
The rolling friction contact is adopted, so that the abrasion can be further reduced, the economy of a current collector is improved, and the roller surfaces on the same side are also positioned on the same plane when the current-collecting rollers are adopted, so that a plurality of current-collecting rollers are ensured to simultaneously contact with the sliding surface, and the current-collecting stability is improved.
Preferably, the collector shoe further comprises a current collector shoe located at the bottom of the collector vertical arm.
An embedded third rail comprising a protective cover and a contact rail located therein, and further comprising a current collector of an embedded third rail power supply system as described in any one of the above.
The embedded third rail provided by the invention has the advantages that the current receiving stability is good, the space can be reduced, the manufacturing cost is reduced, the opening of the protective cover is reduced, and the protection level of the third rail power supply structure is improved.
Preferably, the opening of the protective cover is spaced from the vertical arm of the current collector by 50-90mm.
In summary, compared with the prior art, the invention has the following beneficial effects:
1. The collector cross arm is connected to the train through the first elastic component, so that the collector cross arm has transverse freedom degree between the collector boot head and the train, the collector vertical arm can rotate relatively to the collector cross arm, and when the train rotates or runs at a high speed, jolt and deflect, the collector boot head is not driven to rotate, so that the current receiving contact area is not changed obviously under the conditions, the current receiving quality under the conditions is improved, and the power supply stability is improved.
2. The embedded third rail provided by the invention has the advantages that the current receiving stability is good, the space can be reduced, the manufacturing cost is reduced, the opening of the protective cover is reduced, and the protection level of the third rail power supply structure is improved.
Description of the drawings:
Fig. 1 is a schematic diagram of a current collector of an embedded third rail power supply system in embodiment 1;
Fig. 2 is a structural plan view of a current collector cross arm in example 1;
FIG. 3 is a schematic top view of the collector shoe of example 1 (second elastic member exploded display);
FIG. 4 is another layout diagram of the second elastic member in embodiment 1;
FIG. 5 is another schematic top view of the collector shoe of example 1 (second elastic member exploded view);
Fig. 6 is a schematic structural diagram of a current collector of an in-line third rail power supply system in embodiment 2;
fig. 7 is a schematic structural diagram of an embedded third rail in embodiment 3.
The marks in the figure: 11-collector cross arm, 12-collector vertical arm, 2-sliding surface, 3-train, 4-protective cover, 5-sleeve, 6-second elastic component, 61-first sleeve, 62-spring, 63-second sleeve, 7-current-receiving slide block, 81-protective slide block, 82-buffer piece, 9-terminal head and 10-first elastic component.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings and specific examples. It should not be construed that the scope of the above subject matter of the present invention is limited to the following embodiments, and all techniques realized based on the present invention are within the scope of the present invention.
Example 1
As shown in fig. 1,2 and 7, a current collector of an in-line third rail power supply system according to the present invention comprises a current collector cross arm 11 and a current collector vertical arm 12, wherein the current collector vertical arm 12 is rotatably connected with a sleeve 5, such as the current collector vertical arm 12 is connected with the sleeve 5 through a rotating bearing, the current collector vertical arm 12 is connected with the current collector cross arm 11 through the sleeve 5, the current collector cross arm 11 is connected with a train 3 through a first elastic component 10, such as a car body or a bogie, the first elastic component 10 comprises a spring, the current collector vertical arm 12 is connected with a current collector boot, the current collector boot is used for sliding a sliding surface 2 of a contact rail, the contact surface of the current collector boot is used for being connected with the sliding surface 2 is a plane, the sliding surface 2 is also a plane, and the current collector vertical arm 12 is used for extending into a protective cover 4 for mounting the contact rail.
Specifically, the current collecting boots include two current collecting sliders 7, the current collecting sliders 7 may be carbon sliders or metal sliders, the two current collecting sliders 7 are respectively disposed on two sides of the current collector vertical arm 12, each current collecting boot corresponds to one sliding surface 2, the front and rear sides of the current collecting sliders 7 are respectively provided with a protecting slider 81, a buffer piece 82 is disposed between the current collecting sliders 7 and the protecting slider 81, as shown in fig. 3, the protecting slider 81 can protect the current collecting sliders 7 when passing through an elbow at the end of a contact rail, the buffer piece 82 is used for effectively providing buffering, and meanwhile the protecting slider 81 can clear ice and rain on the surface of the contact rail in ice and rain days, which is beneficial to current collecting stabilization of a train. The current collector vertical arms 12 are respectively connected with the corresponding current collector boots through the second elastic parts 6, the two second elastic parts 6 are in a compression state in the initial state, for example, a boot bracket is arranged on the current collector vertical arms 12 and made of an insulating material, the boot bracket is connected with the current receiving slide block 7 through a boot clamp, a wiring terminal 9 is arranged on the boot clamp, the second elastic parts 6 are arranged between the boot clamp and the boot bracket, the compression of the second elastic parts 6 is kept in the initial state through the extrusion of the contact rail sliding surface to the current collector boots, so that the current collector boots and the contact rail sliding surface 2 keep stable sliding electric contact drainage, the structure is simple, the manufacturing cost is lower, the economy of the current collector is improved, and even if the current collector vertical arms 12 deviate, at least one of the two opposite current collector boots can keep reliable current receiving, the two opposite current collector boots can restore the balanced compression state as soon as possible in cooperation with the reset function of the second elastic parts 6, the current receiving stability of the two sides is guaranteed, and the power supply stability of the train is guaranteed, and the adaptive performance of the train under high-speed running is improved. As shown in fig. 3, the second elastic component may include a first sleeve 61, a spring 62 and a second sleeve 63, where the first sleeve 61 is sleeved on the outer side of the second sleeve 63, the first sleeve 61 and the second sleeve 63 are respectively connected with the collector vertical arm 12 and the collector boot, that is, the first sleeve 61 is connected with the collector vertical arm 12, and the second sleeve 63 is connected with the collector boot, and the second sleeve 63 may be interchanged, and the spring 62 is sleeved between the first sleeve 61 and the second sleeve 63, and forms a limit through the first sleeve 61 and the second sleeve 63, so as to ensure the reset direction of the spring 62, ensure the contact area between the collector boot and the sliding surface 2, and further improve the current-receiving stability. The second elastic member 6 may be separately installed to the current-receiving slider 7 and the protection slider 81 as needed, as shown in fig. 4, such that the current-receiving slider 7 and the protection slider 81 have a certain amount of swing and are independent from each other.
To further reduce wear and improve the economy of the collector, the current collector slide 7 may be replaced by a number of current collector rollers, all of which are coaxially arranged in the longitudinal direction, as shown in fig. 5.
The collector of the embedded third rail power supply system has the advantages that the collector shoe head is in plane contact with the sliding surface, the contact area can be increased under the condition of normal operation, the current-collecting quality is kept, the degree of freedom in the transverse direction (perpendicular to the sliding surface direction) is provided between the collector shoe head and the train, the current-collecting stability is effectively improved, the vertical arm of the collector can rotate relative to the cross arm of the collector, and when the train rotates or runs at a high speed, jolt and deflection occur, the collector shoe head is not driven to rotate, so that the current-collecting contact area is not obviously changed under the condition, the current-collecting quality under the condition is improved, and the power supply stability is improved.
Example 2
The current collector of the embedded third rail power supply system according to this embodiment has a structure substantially the same as that of embodiment 1, and is different in that, as shown in fig. 6, the current collector boot further includes a current collector slider 7 located at the bottom of the current collector vertical arm 12, that is, three current collector sliders respectively correspond to three contact rails, so as to further ensure current collector stability.
Example 3
An embedded third rail according to this embodiment includes a protective cover 4 and a contact rail disposed therein, and further includes a current collector of the embedded third rail power supply system according to embodiment 1 or embodiment 2, as shown in fig. 7, only the structure of two current collecting boots of embodiment 1 is shown, the current collector vertical arm 12 extends into the protective cover 4, and the distance between the opening of the protective cover 4 and the current collector vertical arm 12 is 50-90mm.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. The current collector of the embedded third rail power supply system is characterized by comprising a current collector cross arm (11) and a current collector vertical arm (12), wherein the current collector vertical arm (12) is rotatably connected with a sleeve (5), the current collector vertical arm (12) is connected with the current collector cross arm (11) through the sleeve (5), the current collector cross arm (11) is connected with a train (3) through a first elastic component (10), the current collector vertical arm (12) is connected with a current collector boot head, the current collector boot head is used for sliding contact with a sliding surface (2) of a contact rail, the contact surface of the current collector boot head, which is used for being connected with the sliding surface (2), is a plane, and the current collector vertical arm (12) is used for extending into a protective cover (4) for installing the contact rail;
The current collecting boot head comprises two current collecting sliding blocks (7), the two current collecting sliding blocks (7) are respectively arranged on two sides of the current collector vertical arm (12), and each current collecting boot head corresponds to one sliding surface (2); the current collector vertical arm (12) is connected with the corresponding current collector boot head through the second elastic parts (6), and in an initial state, the two second elastic parts (6) are in a compressed state;
the current collecting boot head further comprises a protection sliding block (81), the protection sliding block (81) is arranged on the front side and the rear side of the current collecting sliding block (7), and a buffer piece (82) is arranged between the current collecting sliding block (7) and the protection sliding block (81); the current collector vertical arm (12) is connected with the current collector slide block (7) and the protection slide block (81) through the corresponding second elastic parts.
2. The current collector of an in-line third rail power supply system according to claim 1, wherein the second elastic component (6) comprises a first sleeve (61), a spring (62) and a second sleeve (63), the first sleeve (61) is sleeved outside the second sleeve (63), the first sleeve (61) and the second sleeve (63) are respectively connected with the current collector vertical arm (12) and the current collector boot head, and the spring (62) is sleeved between the first sleeve (61) and the second sleeve (63).
3. The current collector of an in-line third rail power supply system according to claim 1, characterized in that the current collector slider (7) is replaced by a number of current collector rollers, all of which are coaxially arranged in the longitudinal direction.
4. A current collector for an in-line third rail power supply system according to any of claims 1-3, characterized in that the current collector shoe further comprises a current collector shoe (7) at the bottom of the current collector vertical arm (12).
5. An in-line third rail comprising a protective cover (4) and a contact rail located therein, and further comprising a current collector of an in-line third rail power supply system according to any one of claims 1-4.
6. An in-line third rail according to claim 5, characterized in that the opening of the shield is spaced from the collector vertical arm (12) by a distance of 50-90mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211649149.3A CN115805813B (en) | 2022-12-21 | 2022-12-21 | Current collector of embedded third rail power supply system and third rail |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211649149.3A CN115805813B (en) | 2022-12-21 | 2022-12-21 | Current collector of embedded third rail power supply system and third rail |
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| CN115805813A CN115805813A (en) | 2023-03-17 |
| CN115805813B true CN115805813B (en) | 2024-04-26 |
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| CN202211649149.3A Active CN115805813B (en) | 2022-12-21 | 2022-12-21 | Current collector of embedded third rail power supply system and third rail |
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| CN117799443B (en) * | 2024-02-28 | 2024-05-10 | 同济大学 | Contact power supply traction device for urban rail transit |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1350027A (en) * | 1971-06-14 | 1974-04-18 | Ford Motor Co | Vehicle power supply and guidance system |
| CH584116A5 (en) * | 1974-11-05 | 1977-01-31 | Kummler & Matter Ag | Electric current pickup for trolley buses - is fitted with torsion spring element which performs horizontal and vertical damping of motions of shoe |
| US6070703A (en) * | 1998-07-02 | 2000-06-06 | Azzouni; Ghassan Hassan | Adjustable contact shoe assembly for a train |
| CN1894118A (en) * | 2003-12-18 | 2007-01-10 | 于贝尔·拉里当特 | A device for guiding and powering vehicles on the ground through trenches |
| CN201082680Y (en) * | 2007-09-29 | 2008-07-09 | 宝山钢铁股份有限公司 | Current-collector double-bulb universal connection device for steel coil dolly |
| JP4513114B1 (en) * | 2010-02-19 | 2010-07-28 | 昇 久保 | Railway vehicle current collector |
| DE102010041206A1 (en) * | 2010-09-22 | 2012-03-22 | Siemens Aktiengesellschaft | System for supplying power to electrical traction vehicle e.g. rail vehicle, has current collector comprising adjustable contact shoe that is adjusted for pressing against busbar and for passing channel slot |
| CN104943566A (en) * | 2014-03-25 | 2015-09-30 | 阿尔斯通运输科技简易股份公司 | Ground level power supply system for a non-guided electric vehicle and corresponding method of use |
| CN108725211A (en) * | 2018-06-25 | 2018-11-02 | 西南交通大学 | A kind of magnetic-levitation train three-phase is for current collecting equipment |
| CN208593303U (en) * | 2018-06-13 | 2019-03-12 | 天津益昌电气设备股份有限公司 | A kind of sectional type metallic brush is by stream boots |
| CN109484196A (en) * | 2018-12-12 | 2019-03-19 | 西南交通大学 | A kind of train collector |
| CN110091718A (en) * | 2019-05-31 | 2019-08-06 | 湖南中通电气股份有限公司 | A kind of current collection at high speed device |
| CN110116627A (en) * | 2018-02-06 | 2019-08-13 | 比亚迪股份有限公司 | Charge knife, rail vehicle and Rail Transit System with it |
| CN111409515A (en) * | 2020-04-30 | 2020-07-14 | 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 |
| CN212098447U (en) * | 2020-02-17 | 2020-12-08 | 上海雅跃智能科技有限公司 | Wheeled collector and collector assembly |
| CN112339568A (en) * | 2019-08-08 | 2021-02-09 | 比亚迪股份有限公司 | A rail vehicle that is used for rail vehicle's current-receiving device and has it |
| CN213243078U (en) * | 2020-10-20 | 2021-05-18 | 天津益昌电气设备股份有限公司 | Sectional type multistage shock absorption collector shoe |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9597969B2 (en) * | 2013-08-06 | 2017-03-21 | Amres Network Coalition, LLC | Systems and methods for providing in-road electric conductivity boxes and on-vehicle descent and pivot contacts for vehicles |
| JP6163439B2 (en) * | 2014-02-28 | 2017-07-12 | 三菱重工業株式会社 | Train line support device and guide track traffic system |
-
2022
- 2022-12-21 CN CN202211649149.3A patent/CN115805813B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1350027A (en) * | 1971-06-14 | 1974-04-18 | Ford Motor Co | Vehicle power supply and guidance system |
| CH584116A5 (en) * | 1974-11-05 | 1977-01-31 | Kummler & Matter Ag | Electric current pickup for trolley buses - is fitted with torsion spring element which performs horizontal and vertical damping of motions of shoe |
| US6070703A (en) * | 1998-07-02 | 2000-06-06 | Azzouni; Ghassan Hassan | Adjustable contact shoe assembly for a train |
| CN1894118A (en) * | 2003-12-18 | 2007-01-10 | 于贝尔·拉里当特 | A device for guiding and powering vehicles on the ground through trenches |
| CN201082680Y (en) * | 2007-09-29 | 2008-07-09 | 宝山钢铁股份有限公司 | Current-collector double-bulb universal connection device for steel coil dolly |
| JP4513114B1 (en) * | 2010-02-19 | 2010-07-28 | 昇 久保 | Railway vehicle current collector |
| DE102010041206A1 (en) * | 2010-09-22 | 2012-03-22 | Siemens Aktiengesellschaft | System for supplying power to electrical traction vehicle e.g. rail vehicle, has current collector comprising adjustable contact shoe that is adjusted for pressing against busbar and for passing channel slot |
| CN104943566A (en) * | 2014-03-25 | 2015-09-30 | 阿尔斯通运输科技简易股份公司 | Ground level power supply system for a non-guided electric vehicle and corresponding method of use |
| CN110116627A (en) * | 2018-02-06 | 2019-08-13 | 比亚迪股份有限公司 | Charge knife, rail vehicle and Rail Transit System with it |
| CN208593303U (en) * | 2018-06-13 | 2019-03-12 | 天津益昌电气设备股份有限公司 | A kind of sectional type metallic brush is by stream boots |
| CN108725211A (en) * | 2018-06-25 | 2018-11-02 | 西南交通大学 | A kind of magnetic-levitation train three-phase is for current collecting equipment |
| CN109484196A (en) * | 2018-12-12 | 2019-03-19 | 西南交通大学 | A kind of train collector |
| CN110091718A (en) * | 2019-05-31 | 2019-08-06 | 湖南中通电气股份有限公司 | A kind of current collection at high speed device |
| CN112339568A (en) * | 2019-08-08 | 2021-02-09 | 比亚迪股份有限公司 | A rail vehicle that is used for rail vehicle's current-receiving device and has it |
| CN212098447U (en) * | 2020-02-17 | 2020-12-08 | 上海雅跃智能科技有限公司 | Wheeled collector and collector assembly |
| CN111409515A (en) * | 2020-04-30 | 2020-07-14 | 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 |
| CN213243078U (en) * | 2020-10-20 | 2021-05-18 | 天津益昌电气设备股份有限公司 | Sectional type multistage shock absorption collector shoe |
Non-Patent Citations (3)
| Title |
|---|
| 一种城轨车辆用第三轨受流器的设计;胡海峰;邓谊柏;;机电工程技术;20130515(05);全文 * |
| 城市轨道交通第三轨供电受流系统及磨耗试验台设计;邢彤;罗万鹏;孙健翔;;铁道技术监督;20170515(第05期);全文 * |
| 第三轨供电系统中受流器与第三轨的接触压力及其对受流性能的影响分析;宁晓芳;柳拥军;;城市轨道交通研究;20200510(第05期);全文 * |
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| CN115805813A (en) | 2023-03-17 |
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