CN104859456A - Variable-track current collector and electric vehicle - Google Patents

Variable-track current collector and electric vehicle Download PDF

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Publication number
CN104859456A
CN104859456A CN201510332298.0A CN201510332298A CN104859456A CN 104859456 A CN104859456 A CN 104859456A CN 201510332298 A CN201510332298 A CN 201510332298A CN 104859456 A CN104859456 A CN 104859456A
Authority
CN
China
Prior art keywords
current collector
pantagraph current
bar
spring
change track
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.)
Granted
Application number
CN201510332298.0A
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Chinese (zh)
Other versions
CN104859456B (en
Inventor
索建国
张海丰
林平
杨瀛瑜
张彦林
杨颖�
李军
冯叶
陈敏坚
孙宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Zhuzhou Locomotive Co Ltd
Original Assignee
CSR Zhuzhou Electric Locomotive Co Ltd
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Publication date
Application filed by CSR Zhuzhou Electric Locomotive Co Ltd filed Critical CSR Zhuzhou Electric Locomotive Co Ltd
Priority to CN201510332298.0A priority Critical patent/CN104859456B/en
Publication of CN104859456A publication Critical patent/CN104859456A/en
Application granted granted Critical
Publication of CN104859456B publication Critical patent/CN104859456B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L5/00Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/18Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L5/00Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/18Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
    • B60L5/22Supporting means for the contact bow
    • B60L5/28Devices for lifting and resetting the collector
    • B60L5/30Devices for lifting and resetting the collector using springs

Abstract

The invention discloses a variable-track current collector. The variable-track current collector comprises a four-bar linkage mechanism and a current collecting head (5), wherein the four-bar linkage mechanism comprises a base (1), an upper rod (2), a lower rod (3) and a pull rod (4); the current collecting head (5) is arranged at the external extension end of the upper rod (2), the pull rod (4) is an elastic pull rod, the current collecting head (5) is driven by the four-bar linkage mechanism to make a vertical lifting stroke and a lateral movement stroke, in the vertical lifting stroke, the fixed length of the elastic pull rod is maintained, in the lateral movement stroke, the elastic pull rod is telescopic, and a current collecting part of the current collecting head (5) is positioned on the outer side of the elastic pull rod in the lateral movement direction. The current receiving device allows a larger deviation distance of a parking position, a vehicle is convenient to operate, the steady current receiving can also be ensured under the condition that a vehicle body is shaky, and the variable-track current collector also has the advantages of steady structure, small occupied space and the like. The invention further discloses an electric vehicle with the variable-track current collector.

Description

A kind of change track pantagraph current collector and elec. vehicle
Technical field
What the present invention relates to fast charge is subject to electro-technical field, especially for the pantagraph current collector super capacitor of energy storage electric electric bus being carried out to fast charge.The invention still further relates to the elec. vehicle being provided with described pantagraph current collector.
Background technology
Along with the development of society, the Urban Rail Transit Development theories such as energy-saving and environmental protection constantly promote, energy storage electric electric bus arises at the historic moment, so-called energy storage electric electric bus refers to that using super capacitor to carry out storage of electrical energy draws as power, roof pantagraph current collector is adopted to be flowed and reflux, and utilize passenger to complete charging fast within the time of tens seconds that platform is got on or off the bus, once charging can ensure that energy storage electric electric bus moves to the next stop and charges, just because of These characteristics, this vehicle obtains more and more to be promoted the use of.
Please refer to Fig. 1, Fig. 2, Fig. 1 is the pantagraph current collector structural representation of existing energy storage electric electric bus charge system; Fig. 2 is the lateral plan of Fig. 1.
As shown in the figure, the pantagraph current collector of existing energy storage electric electric bus charge system, its integrated model can be regarded as one group of four-bar linkage installed along longitudinal direction of car, and power rail 1' is installed on pantagraph current collector 2'(or pantograph) directly over.Because rod member each in four-bar linkage is fixed length, and rod member length sets by a certain percentage, under the effect of spring or air cylinder driven power, the trolley head 3' of pantagraph current collector 2' can realize near normal lifting, and vertical rise certain altitude after with directly over power rail 1' contact, realize being flowed vehicle.
The principle of work that this pantagraph current collector is installed on the pantagraph current collector (or pantograph) of roof with other rail traffic vehicles, trackless transportation vehicle etc. is substantially identical, comparatively be applicable to rail traffic vehicles, when it is applied to trackless transportation vehicle, such as, during energy storage bus, have the following disadvantages:
First point, modern energy storage bus adopts common rubber wheel, rail-free guiding is run, driver and conductor stops error comparatively greatly, and the stop position lateral deviation distance that above-mentioned pantagraph current collector allows only has about 200mm, requires higher to the operative technique of driver and conductor, each charging proposes high requirement to stop position during vehicle pull-in and parking angle, more difficultly meet onsite application requirement, not only bad for the operation convenience of vehicle, also results in Vehicular charging instability.
Second point, owing to adopting vehicle pull-in, pantagraph current collector rise with directly over the mode of power rail contact charging provide kinetic energy to vehicle, during passenger getting on/off, vehicle body rocks the pantagraph current collector that can cause being installed on roof and rocks together, trolley head on pantagraph current collector like this can in power rail double swerve, add contact resistance, easily cause by flow problem.
Thirdly, for ensureing that trolley head can contact with power rail after rise, trolley head is usually designed to long slide plate form, and long trolley head can cause structural instability.
4th point, after pantagraph current collector falls, what meeting was larger takies vehicle roof space, even exceeds width over sides of car body.
Therefore, how to increase the stop position offset distance that pantagraph current collector allows, so that vehicle operating, and improving the stability flowed, is those skilled in the art's technical issues that need to address.
Summary of the invention
The object of this invention is to provide a kind of change track pantagraph current collector.Parking permitted that position exists relatively large deviation distance for this pantagraph current collector, is convenient to vehicle operating, and still can ensure stable stream when vehicle body shakes, and also has Stability Analysis of Structures, take up room the advantage such as little.
Another object of the present invention is to provide a kind of elec. vehicle being provided with described change track pantagraph current collector.
For realizing above-mentioned first object, the invention provides a kind of change track pantagraph current collector, comprise four-bar linkage and trolley head, described four-bar linkage comprises base, upper boom, lower beam and pull bar, described trolley head is located at the epitaxial end of described upper boom, described pull bar is elastic draw bar, described four-bar linkage drives described trolley head to have vertical lift stroke and cross motion stroke, in vertical lift stroke, described elastic draw bar keeps fixed length, in cross motion stroke, described elastic draw bar stretches, being positioned at outside it on cross motion direction by stream position of described trolley head.
Preferably, the shaft of described elastic draw bar is provided with the elastic telescopic portion formed by spring along its length.
Preferably, described elastic draw bar comprises interconnective lower link and spring, and wherein said spring is positioned at upper end, and described lower link is positioned at lower end.
Preferably, described elastic draw bar comprises interconnective top rod and spring, and wherein said top rod is positioned at upper end, and described spring is positioned at lower end.
Preferably, described elastic draw bar comprises interconnective two sections of pull bars and one section of spring, and described pull bar is positioned at two ends, and described spring is positioned at centre.
Preferably, described elastic draw bar comprises interconnective two sections of springs and one section of pull bar, and described spring is positioned at two ends, and described pull bar is positioned at centre.
Preferably, described elastic draw bar comprises spring and the pull bar that multistage replaces connection.
Preferably, described elastic draw bar comprises the bar section that two joints are coordinated by stretching structure, arranges spring described in two between bar section.
Preferably, described trolley head is provided with multiple tracks electrode, and the lower spaced and parallel distribution on the outside of described electrode.
Preferably, described trolley head is installed on described upper boom by universal bearing, and its top is provided with antifriction rolling wheel.
For realizing above-mentioned second object, the invention provides a kind of elec. vehicle, comprise vehicle body, electric propulsion system and charge system, described charge system is provided with pantagraph current collector, described pantagraph current collector is installed on roof perpendicular to described bodywork length direction for the change track pantagraph current collector described in above-mentioned any one, described change track pantagraph current collector.
Pull bar in pantagraph current collector four-bar linkage is designed to elastic draw bar by the present invention, designing in outside by stream position simultaneously by trolley head, thus be formed in side coil and carry out powered lateral current collector, during work, power rail is installed on the side coil of pantagraph current collector, by the length variations of pull bar in motion process, the Kinematic Decomposition of trolley head is made to be the variable track motion of vertical lift and cross motion, after the first near normal of trolley head rises to certain altitude (>1500mm), under the cooperation of longitudinal degress of feedom limiting mechanism, horizontal motion certain distance (>600mm) laterally can be continued, realize by Electricity Functional until contact with power rail, in trolley head vertical lift process, pull bar keeps fixed length, in trolley head horizontal motion process, pull bar approximately linear extends, because its trolley head has long distance horizontal motion function, therefore the stop position offset distance of permission can be increased, be convenient to vehicle operating and also improve the stability flowed, be specially adapted to modern energy storage electric electric bus.
Elec. vehicle provided by the present invention is provided with above-mentioned change track pantagraph current collector, and because described change track pantagraph current collector has above-mentioned technique effect, therefore, the elec. vehicle being provided with this change track pantagraph current collector also should have corresponding technique effect.
Accompanying drawing explanation
Fig. 1 is the pantagraph current collector structural representation of existing energy storage electric electric bus charge system;
Fig. 2 is the lateral plan of Fig. 1;
Fig. 3 is the structural representation of a kind of detailed description of the invention of change track pantagraph current collector provided by the present invention;
Fig. 4 becomes hoisting and cross motion schematic diagram of track pantagraph current collector shown in Fig. 3;
Fig. 5 is the landing schematic diagram becoming track pantagraph current collector shown in Fig. 3.
In Fig. 1, Fig. 2:
Power rail 1' pantagraph current collector 2' trolley head 3'
In Fig. 3 to Fig. 5:
1. base 2. upper boom 3. lower beam 4. pull bar 4-1. lower link 4-2. spring 5. trolley head 6. power rail 7. guide plate
Detailed description of the invention
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The term such as upper and lower, inside and outside is herein established, difference with reference to the accompanying drawings based on position relationship shown in the drawings, and corresponding position relationship also likely changes thereupon, therefore, can not be understood as the absolute limit to protection domain.
Please refer to Fig. 3, Fig. 3 is the structural representation of a kind of detailed description of the invention of change track pantagraph current collector provided by the present invention.
In a kind of specific embodiment, lateral current collector provided by the invention is primarily of formations such as base 1, upper boom 2, lower beam 3, pull bar 4 and trolley heads 5, wherein base 1, upper boom 2, lower beam 3 and pull bar 4 form the four-bar linkage driving trolley head 5 to move, the lower end of lower beam 3 is hinged by rotating shaft and base 1, upper end and upper boom 2 are hinged, lower end and the base 1 of pull bar 4 are hinged, the connecting lever of upper end and upper boom 2 tail end is hinged, it is narrower that upper boom 2 is designed to outward extending one end, and " V " glyph framework structure that the other end is wider, be therefore also called upper frame.
Pull bar 4 is elastic draw bar, and docked by lower link 4-1 and spring 4-2 and formed, wherein spring 4-2 is positioned at upper end, is hinged with upper boom 2, and lower link 4-1 is positioned at lower end, is hinged with base 1.Certainly, as required, the position of lower link 4-1 and spring 4-2 also can exchange, and namely adopts the form of upside-down mounting.
Trolley head 5 is arranged on the epitaxial end of upper boom 2 by universal bearing, trolley head 5 be positioned at the outside in its cross motion direction by stream position, its for the multiple tracks electrode that flowed on alien invasion with the parallel distribution of the mode at upper and lower interval, top is provided with antifriction rolling wheel.
Please refer to Fig. 4, Fig. 4 becomes hoisting and cross motion schematic diagram of track pantagraph current collector shown in Fig. 3.
When reality uses, electric supply installation is arranged on charging place, be generally bus-stop, its power rail 6 is vertically installed at the sidepiece of vehicle up direction, the spaced and parallel distribution of multiple tracks power rail about 6, its arrangement mode is consistent with the arrangement mode of trolley head 5 electrode, the length of each power rail 6 is greater than the length of trolley head 5 electrode, so that trolley head 5 can contact with power rail in front and back comparatively large regions during vehicle pull-in, the width of each power rail 6 can slightly wider than the width of trolley head 5 electrode, to improve the stability flowed.
Guide plate 7 (or guided way) is to be arranged on above power rail 6 perpendicular to the mode level of power rail plane, for limiting its vertical freedom degree after trolley head 5 is raised up to certain altitude, it is made no longer to continue upward movement, and change outside cross motion into, specifically can adopt smooth steel plate etc., become track pantagraph current collector to be arranged on roof perpendicular to the mode in bodywork length direction, the lifting plane of its four-bar linkage and the cross motion direction of trolley head are all perpendicular to the length direction of vehicle body.
Work as vehicle pull-in, when pantagraph current collector trolley head 5 needs to contact with power rail, on base for driving the cylinder of four-bar linkage, spring combined action makes lower beam 3 clickwise, pulling force due to this stage is also not enough to spring 4-2 to elongate, therefore the length of pull bar 4 remains unchanged, under the effect of four-bar linkage, trolley head 5 rises in approximately perpendicular mode in the vertical plane perpendicular to bodywork length direction.
When trolley head 5 is raised up to about 1500mm height, be supported on the lower surface of guide plate 7 by the antifriction rolling wheel at its top, under the restriction of guide plate 7, the pulling force acting on pull bar 4 becomes large gradually, thus pull spring 4-2 linear extension, realize telescoping pull bar function, form the structure being similar to crank block, afterwards, trolley head 5 no longer upwards rises under the restriction of guide plate 7, pull bar 4 changes length automatically, trolley head 5 can cross motion 0 ~ 700mm laterally in the vertical plane perpendicular to bodywork length direction, flowed until contact with the power rail 6 of electric supply installation.
Please refer to Fig. 5, Fig. 5 is the landing schematic diagram becoming track pantagraph current collector shown in Fig. 3.
After completing charging, when pantagraph current collector needs to land, lower beam 3 rotates counterclockwise, and drive trolley head 5 transverse shifting left, spring 4-2 shortens gradually, after trolley head 5 and guide plate 7 depart from, spring 4-2 returns to normal length, and then, lower beam 3 is rotated further, four-bar linkage is retracted to folded state, realizes the landing of pantagraph current collector.
Above-described embodiment is only several preferred version of the present invention, is specifically not limited thereto, and can make pointed adjustment according to actual needs on this basis, thus obtain different embodiments.Such as, elastic draw bar is docked by two sections of pull bars and one section of spring and is formed, and pull bar is positioned at two ends, and spring is positioned at centre; Or elastic draw bar is docked by two sections of springs and one section of pull bar and is formed, and spring is positioned at two ends, and pull bar is positioned at centre; Or elastic draw bar is alternately docked by multistage spring and multi-section bar and is formed; Or the bar section that elastic draw bar is coordinated by stretching structure by two joints forms, and arranges bullet etc. between two bar sections.Because mode in the cards is more, just casehistory no longer one by one here.
Except above-mentioned change track pantagraph current collector, the present invention also provides a kind of elec. vehicle, comprise vehicle body, electric propulsion system and charge system, charge system is provided with pantagraph current collector, and pantagraph current collector is change track pantagraph current collector mentioned above, it is installed on roof perpendicular to bodywork length direction, and the cross motion direction of the lifting plane and trolley head that namely become the four-bar linkage of track pantagraph current collector is all perpendicular to the length direction of vehicle body, all the other structures please refer to prior art, repeat no more herein.
Above change track pantagraph current collector provided by the present invention and elec. vehicle are described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands core concept of the present invention for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.

Claims (10)

1. one kind becomes track pantagraph current collector, comprise four-bar linkage and trolley head (5), described four-bar linkage comprises base (1), upper boom (2), lower beam (3) and pull bar (4), described trolley head (5) is located at the epitaxial end of described upper boom (2), it is characterized in that, described pull bar (4) is elastic draw bar, described four-bar linkage drives described trolley head (5) to have vertical lift stroke and cross motion stroke, in vertical lift stroke, described elastic draw bar keeps fixed length, in cross motion stroke, described elastic draw bar stretches, being positioned at outside it on cross motion direction by stream position of described trolley head (5).
2. change track pantagraph current collector according to claim 1, is characterized in that, the shaft of described elastic draw bar is provided with along its length the elastic telescopic portion formed by spring.
3. change track pantagraph current collector according to claim 2, it is characterized in that, described elastic draw bar comprises interconnective lower link (4-1) and spring (4-2), wherein said spring (4-2) is positioned at upper end, and described lower link (4-1) is positioned at lower end.
4. change track pantagraph current collector according to claim 2, it is characterized in that, described elastic draw bar comprises interconnective top rod and spring, and wherein said top rod is positioned at upper end, and described spring is positioned at lower end.
5. change track pantagraph current collector according to claim 2, is characterized in that, described elastic draw bar comprises interconnective two sections of pull bars and one section of spring, and described pull bar is positioned at two ends, and described spring is positioned at centre.
6. change track pantagraph current collector according to claim 2, is characterized in that, described elastic draw bar comprises interconnective two sections of springs and one section of pull bar, and described spring is positioned at two ends, and described pull bar is positioned at centre.
7. change track pantagraph current collector according to claim 2, is characterized in that, described elastic draw bar comprises multistage and replaces the spring and pull bar that connect.
8. change track pantagraph current collector according to claim 2, is characterized in that, described elastic draw bar comprises the bar section that two joints are coordinated by stretching structure, arranges spring described in two between bar section.
9. the change track pantagraph current collector according to any one of claim 1 to 8, is characterized in that, described trolley head (5) is provided with multiple tracks electrode, and the lower spaced and parallel distribution on the outside of described electrode.
10. an elec. vehicle, comprise vehicle body, electric propulsion system and charge system, described charge system is provided with pantagraph current collector, it is characterized in that, described pantagraph current collector is installed on roof perpendicular to described bodywork length direction for the change track pantagraph current collector described in any one of the claims 1 to 9, described change track pantagraph current collector.
CN201510332298.0A 2015-06-16 2015-06-16 One kind becomes track pantagraph current collector and electric vehicle Active CN104859456B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510332298.0A CN104859456B (en) 2015-06-16 2015-06-16 One kind becomes track pantagraph current collector and electric vehicle

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201510332298.0A CN104859456B (en) 2015-06-16 2015-06-16 One kind becomes track pantagraph current collector and electric vehicle
PCT/CN2015/095656 WO2016201900A1 (en) 2015-06-16 2015-11-26 Track-variable current collector and electric vehicle
ATA9491/2015A AT520871A2 (en) 2015-06-16 2015-11-26 Trackable pantograph and electric vehicle

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CN104859456A true CN104859456A (en) 2015-08-26
CN104859456B CN104859456B (en) 2017-08-18

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AT (1) AT520871A2 (en)
WO (1) WO2016201900A1 (en)

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WO2016201899A1 (en) * 2015-06-16 2016-12-22 南车株洲电力机车有限公司 Lateral current collector and electric vehicle
WO2016201900A1 (en) * 2015-06-16 2016-12-22 南车株洲电力机车有限公司 Track-variable current collector and electric vehicle
WO2016201901A1 (en) * 2015-06-16 2016-12-22 南车株洲电力机车有限公司 Charging system
WO2018223653A1 (en) * 2017-06-06 2018-12-13 中车株洲电力机车有限公司 Lifting device for current collector
CN109693584A (en) * 2017-10-23 2019-04-30 临沂华庚新材料科技有限公司 A kind of judgement of trackless intelligence electric car advance trajector deviation and antidote
CN112060917A (en) * 2020-09-17 2020-12-11 中车青岛四方车辆研究所有限公司 Current collector and rail vehicle

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WO2016201899A1 (en) * 2015-06-16 2016-12-22 南车株洲电力机车有限公司 Lateral current collector and electric vehicle
WO2016201900A1 (en) * 2015-06-16 2016-12-22 南车株洲电力机车有限公司 Track-variable current collector and electric vehicle
WO2016201901A1 (en) * 2015-06-16 2016-12-22 南车株洲电力机车有限公司 Charging system
WO2018223653A1 (en) * 2017-06-06 2018-12-13 中车株洲电力机车有限公司 Lifting device for current collector
CN109693584A (en) * 2017-10-23 2019-04-30 临沂华庚新材料科技有限公司 A kind of judgement of trackless intelligence electric car advance trajector deviation and antidote
CN109693584B (en) * 2017-10-23 2020-11-13 华庚新材料科技(嘉兴)有限公司 Method for judging and correcting deviation of advancing track of intelligent trolley bus
CN112060917A (en) * 2020-09-17 2020-12-11 中车青岛四方车辆研究所有限公司 Current collector and rail vehicle
CN112060917B (en) * 2020-09-17 2021-09-14 中车青岛四方车辆研究所有限公司 Current collector and rail vehicle

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WO2016201900A1 (en) 2016-12-22
CN104859456B (en) 2017-08-18

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