CN212827905U - Double-power-supply system type travel rail transit system - Google Patents
Double-power-supply system type travel rail transit system Download PDFInfo
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- CN212827905U CN212827905U CN201921987369.0U CN201921987369U CN212827905U CN 212827905 U CN212827905 U CN 212827905U CN 201921987369 U CN201921987369 U CN 201921987369U CN 212827905 U CN212827905 U CN 212827905U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
A double-power-supply-system type tourist rail transit system comprises a train and a tourist rail transit system consisting of a railway section and a tunnel section. The storage battery pack or the super capacitor pack which provides power when the train runs on the open line section is arranged in the train body, the pantograph which directly draws current from a contact net in the tunnel section is arranged at the top of the train body, and the buffer device which meets the lifting requirement of the train during running is configured. The open line section is only laid with a track structure, and no upright post or power supply line is arranged beside the line, so that the train can provide driving power by itself. The overhead line system is erected at the top of the tunnel in the tunnel section, the current collecting and switching device of the overhead line system is arranged at the entrance and exit of the tunnel section, a pantograph of the train stably contacts with the overhead line system through the current collecting and switching device of the overhead line system after the train drives into the tunnel section at a normal speed, the overhead line system provides train driving power, and the electric power is provided for quick charging of the storage battery pack or the super capacitor pack.
Description
Technical Field
The utility model relates to a track traffic system, in particular to two power supply standard tourism track traffic system.
Background
At present, the power supply modes of the rail transit system generally include contact power supply (power supply of a contact network and power supply of a contact rail) and non-contact power supply (power supply of a storage battery or a super capacitor and ground power supply). The rail transit system adopting the contact type power supply mode is usually arranged in a full-line pull-through mode, and no matter a roadbed section, a bridge section or a tunnel section of a line, an upright post is erected beside the rail, and a contact line and a contact rail with high voltage are arranged along the line in a pull-through mode, so that the viewing effect of an open line section is influenced, the environment protection is not facilitated, and a certain high-voltage danger exists; in the running process of the system, the pantograph/overhead contact system or the collector shoe/contact rail is always in a contact state, and the impact state of the lifting pantograph/shoe in the running process of the train is avoided. The rail transit system with non-contact power supply is a common tramcar system at present, cancels a spider web-shaped contact network in an operation interval for adapting to short-distance transportation and urban landscape in cities, utilizes a vehicle-mounted storage battery or a super capacitor to provide power, and utilizes a pantograph and the contact network to receive current for quick charging in the stop time of a station; the train needs to be charged first, and the train needs to be ensured to carry out lifting bow operation in a parking state. The whole line adopts the same type regardless of contact power supply or non-contact power supply, and the lifting bow/shoe action in the operation process is avoided.
For a travel rail transit system, engineering requirements such as long transport distance, nature, environmental protection, no view shielding and the like all provide limited conditions for selection of a power supply system. The travel traffic line with long running distance is difficult to meet the power consumption requirement of a single running interval due to the fact that the station distance is large and the electric energy can be provided by pure non-contact power supply; and within a single interval, the vehicle is not allowed to be parked for charging; the contact type power supply mode of the all-line pull-through has the advantages that natural landscapes are segmented and environment friendliness is influenced due to the installation of the upright columns, the spider-web-shaped contact net or the always-pulled-through contact rails, and certain shielding is formed on the sightseeing. It can be seen that the existing contact power supply and non-contact power supply modes have poor adaptability to long and large travel rail traffic lines, and a new power supply mode is urgently needed to be introduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a dual supply system tourism rail transit system is provided to the power supply, the view and the travel speed demand of the tourism rail transit line of adaptation growing up reduce the destruction of tourism rail transit system to natural view along the line, improve the tourism train and visit and experience.
The utility model provides a technical scheme that its technical problem adopted as follows:
the utility model discloses a two power supply standard tourism track traffic system, include the train and by bright line section, tunnel segment tourism track traffic system, characterized by: the train body is internally provided with a storage battery pack or a super capacitor pack which is used for providing electric power when the train runs on an open line section, the top of the train body is provided with a pantograph which is arranged in a tunnel section and directly draws current from a contact network, and a buffer device which meets the lifting requirement of the train in running is configured; the bright line section is only laid with a track structure, no upright post and no power supply line are arranged beside the line, and the train provides driving power by itself; a contact net is erected at the top of the tunnel in the tunnel section, a contact net current-collecting switching device is arranged at the entrance and exit of the tunnel section, a pantograph of the train stably contacts with the contact net through the contact net current-collecting switching device after the train drives into the tunnel section at a normal speed, the contact net provides train driving power, and the storage battery pack or the super capacitor pack is rapidly charged to provide power.
The contact net current collection switching device comprises rubber walking wheels and walking track plates, and the rubber walking wheels are fixedly arranged between carbon sliding plates at the tops of the pantographs in a bilateral symmetry manner; the walking track plate is fixedly arranged at the lower end of the tunnel inner top support, is arranged in bilateral symmetry relative to the longitudinal center line of the train and corresponds to the rubber walking wheels.
The longitudinal section of the traveling track plate consists of an arc transition section and a straight line section from outside to inside, and the straight line section and the front end of a contact net erected at the top of the tunnel are horizontally provided with a superposition area; when the rubber walking wheels are in contact with straight line segments of the walking track plate, the top of the carbon sliding plate and the bottom surface of the contact line are positioned on the same plane.
The beneficial effects of the utility model are that, the train adopts the two standard power supplies of battery/super capacitor and contact net, and adaptable long and big tourism traffic lines is long and long between the interval power supply demand, is seen landscape demand and travel speed demand. The storage battery pack or the super capacitor pack supplies driving power to the open line section, a contact network does not need to be erected, damage of a travel rail transit system to natural landscapes along the line can be reduced to the greatest extent, the landscape experience is not influenced, and the landscape requirement of the whole line is met; the contact network is erected in the tunnel section, provides power for train running and quickly charges the storage battery pack or the super capacitor pack, so that the power supply requirement of the whole line is met, the line construction cost is greatly saved, and the maintenance workload during operation is saved; the contact net current collection switching device is simple in structure, stable, accurate and reliable in switching process, and can effectively eliminate impact and arc discharge phenomena generated by a pantograph and a contact net in an initial contact current collection stage, and the requirement of a train for lifting the pantograph without stopping is met so as to meet the requirement of the whole travel speed.
Drawings
The description includes the following eleven figures:
fig. 1 is a front view of a dual power supply system of the present invention, in a tunnel section, a train is powered by a contact network and charges a storage battery or a super capacitor;
FIG. 2 is a front view of the dual power system of the present invention, in open line, a train is powered by a storage battery or a super capacitor;
FIG. 3 is a top view of a tunnel section of a dual power system type track transportation system;
FIG. 4 is a longitudinal section view of a tunnel section of a dual-power-supply type tourist rail transit system of the present invention;
FIG. 5 is a cross sectional view of a tunnel section of a dual power system type track traffic system;
FIG. 6 is an enlarged view of portion A of FIG. 5;
fig. 7 is a schematic structural view of a current receiving switching device of a contact net in a dual-power-supply system type travel rail transit system of the present invention;
fig. 8 to 12 are schematic diagrams of the power switching process of the dual power supply type travel rail transit system of the present invention;
the figures show the components and corresponding references: the open line section L1, the tunnel section L2, the train 10, the pantograph 11, the rubber running wheels 12, the carbon slide plate 13, the overhead line system 20, the overhead line system current-receiving switching device 30, the running rail plate 31, the upright column 32 and the mounting plate 33.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the utility model discloses a double power supply system tourism rail transit system, including train 10 and the tourism rail transit system who comprises open line section L1, tunnel section L2. A storage battery pack or a super capacitor pack for providing power for the train 10 to run on an open line section L1 is arranged in the train body, a pantograph 11 for smoothly taking current from a contact net in a tunnel section L2 is arranged at the top of the train body, and a rubber running wheel 12 which can meet the lifting requirement of the train in running is arranged on the pantograph 11. The overhead contact system 20 is erected in the tunnel section L2 at the top of the tunnel, the overhead contact system 20 is provided with a non-electricity section at the tunnel entrance and a charged section in the tunnel, and the overhead contact system current-collecting switching device 30 is arranged on the pantograph 11 and at the entrance of the tunnel section L2. Before the train 10 enters the tunnel section L2, the pantograph 11 requiring current collection is raised in advance, the speed of the train is kept to enter the tunnel section L2, meanwhile, the pantograph 11 is in contact with the non-power section of the overhead contact system 20 through the overhead contact system current collection switching device 30, after the mechanical contact is stable, the pantograph enters the live section of the overhead contact system, a main disconnecting switch in the train car performs electrical switching, the power supply of the storage battery pack or the super capacitor pack is cut off, the power supply of the pantograph is conducted, the overhead contact system 20 provides driving power, and meanwhile, the storage battery pack or the super capacitor pack of the train 10 is rapidly charged. Before the train 10 exits the tunnel section L2, the main disconnection switch in the train electrically switches to cut off the power supply of the pantograph 11, and switches on the power supply of the battery pack or the super capacitor pack, and when the pantograph 11 enters the non-power section at the exit of the tunnel, the pantograph 11 is retracted and the speed of the train is kept to exit the tunnel section L2.
The utility model discloses a power supply and the sight demand of adaptation big tourism track traffic route provide a neotype two power supply system, synthesize the characteristic of existing contact power supply and non-contact power supply to carry out the lift technical improvement of pantograph/boots at the train operation in-process. Namely, in the open line section L1 (roadbed and bridge section) of the line, a storage battery or a super capacitor is used for supplying power; the overhead line system 20 at the top in the tunnel is utilized to supply power in the tunnel section L2, and simultaneously, the storage battery or the super capacitor is also charged, and the pantograph 11 lifting operation in the running process of the train 10 is completed at the tunnel entrance through a novel overhead line system current-collecting switching device 30. Therefore, the power supply requirement and the view requirement of the whole train can be ensured, and the environment is protected to the maximum extent; the requirement of the whole line of travel speed can be guaranteed, and the travel experience of the travel train is improved.
The travel rail transit system adopts a storage battery or super capacitor bag and contact network double-power supply mode, when an open line section L1 runs, the storage battery/super capacitor bag provides power, a pantograph 11 is folded, a line only needs to be laid with a rail structure, and any stand column and power supply lines do not need to be arranged beside the line; when the tunnel section L2 runs, the overhead line system supplies power, the pantograph lifting bow and the pantograph net of the section with no power of the overhead line system are in stable contact under the condition that the train does not stop running through the overhead line system current-collecting switching device 30, the main disconnecting switch is used for switching on the pantograph current-collecting power supply of the section with the power of the overhead line system, and the power supply of the storage battery pack/super capacitor pack is cut off, so that the switching between the internal power supply mode and the external power supply mode of the tunnel is realized.
The two power supply modes of the travel rail traffic system well meet the requirements of unobstructed view, small damage to natural landscape, sufficient power supply in long and large line intervals and no reduction of travel speed of a travel rail traffic open line segment. The storage battery pack or the super capacitor pack supplies driving power to the open line section, a contact network does not need to be erected, damage of a travel rail transit system to natural landscapes along the line can be reduced to the greatest extent, the landscape experience is not influenced, and the landscape requirement of the whole line is met; the contact network is erected in the tunnel section, provides power for train running and quickly charges the storage battery pack or the super capacitor pack, so that the power supply requirement of the whole line is met, the line construction cost is greatly saved, and the maintenance workload during operation is saved; the contact net current collection switching device is simple in structure, stable, accurate and reliable in switching process, and can effectively eliminate impact and arc discharge phenomena generated by a pantograph and a charged contact net in an initial contact current collection stage, achieve the requirement of a non-stop lifting pantograph of a train, and meet the requirement of the speed of all-line travel.
Referring to fig. 7, fig. 10 and fig. 12, the overhead line system current-collecting switching device 30 includes rubber running wheels 12 and running rail plates 31, and the rubber running wheels 12 are fixedly installed between the carbon sliding plates 13 at the end of the pantograph 11 in bilateral symmetry. The running track plate 31 is fixedly arranged at the lower end of a support in the tunnel L2, is arranged in bilateral symmetry relative to the longitudinal center line of the train and corresponds to the rubber running wheels 12. The traveling track plate 31 is composed of an arc transition section and a straight line section from outside to inside on a longitudinal section, and the straight line section and the front end of the overhead line system 20 erected on the top of the tunnel have an overlapping area in the horizontal direction. The overhead line system 20 erected on the top of the tunnel is composed of an electrified section and an uncharged section, wherein the uncharged section is arranged at the tunnel entrance, and the overhead line system is mainly used for realizing stable mechanical contact transition of the pantograph 11 and the overhead line system 20 so as to avoid arc discharge and impact conditions under the electrified condition at the tunnel entrance. The main body structure of the pantograph 11 is the same as that of the existing train pantograph, the main body consists of a pantograph head, an upper arm, a lower arm, a balance rod, a pull rod (a lower guide rod) and a chassis, and the pantograph head assembly comprises a carbon sliding plate 13, a pantograph angle, a pantograph head top pipe and a suspension piece; the height of the carbon sliding plate 13 and the contact pressure with the overhead line can be coordinated by an upper arm, a lower arm and a balance bar. The pantograph 11 is provided with a rubber travelling wheel 12 which can meet the lifting requirement of a train in operation, and the rubber travelling wheel 12 is arranged on a head jacking pipe of the pantograph; before the train enters the tunnel section L2, the pantograph will finish the pantograph lifting operation in advance, and after the rubber travelling wheel 12 contacts the travelling track plate 31, the carbon pantograph slider 13 is driven to descend smoothly in height, so that the pantograph 11 and the overhead contact system 20 are in smooth contact with neutral sections; and then the pantograph 11 slides into the electrified section of the contact net 20 smoothly again, so that the contact net in the tunnel section L2 can normally receive current.
Referring to fig. 8, when the rubber running wheels 12 are in contact with the straight line segment of the running track plate 31, the top contact line of the carbon sliding plate 13 and the bottom surface of the overhead line system 20 are located on the same plane, the switching process is stable, accurate and reliable, and the impact and arc discharge phenomena generated in the initial stage of current collection of the pantograph and the overhead line system can be effectively eliminated.
Referring to fig. 11, immediately before the train 10 enters the tunnel section L2, the carbon slide 13 at the top end of the pantograph 11 is higher than the catenary 20. As the train 10 enters the tunnel section L2, the rubber running wheels 12 come into contact with the arc-shaped transition section of the running rail plate 31, and the pantograph 11 gradually lowers in height. When the rubber traveling wheels 12 are in contact with the straight line segment of the traveling track plate 31, the top of the carbon sliding plate 13 is at the same height as the bottom of the overhead line system 20, and the tail end of the straight line segment of the traveling track plate 31 and the front end of the overhead line system 20 are not electrified, so that the mechanical switching from the power supply of the storage battery/super capacitor to the power supply of the overhead line system of the train 10 is stable and has no impact. After the stable contact between the pantograph and the uncharged section of the contact network is completed under the condition that the speed of the train is not stopped, the main disconnecting switch is used for switching on the pantograph of the charged section of the contact network to obtain current and supply power, and the power supply of the storage battery pack/super capacitor pack is cut off, so that the power switching of an inner power supply mode and an outer power supply mode of the tunnel is realized.
The support required for mounting the running rail plate 31 described with reference to fig. 7 includes a vertical column 32 and a mounting plate 33, the mounting plate 33 is welded and fixed on the top end of the vertical column 32, and the support is fixedly mounted on the top of the tunnel by a bolt assembly arranged on the mounting plate 33.
The above is only used for illustrating the present invention, and the present invention is not limited to the specific structure and application range shown and described, so all the corresponding modifications and equivalents that may be utilized all belong to the patent scope applied by the present invention.
Claims (5)
1. A double-power-supply system type tourist rail traffic system comprises a train (10), a tourist rail traffic system consisting of a line segment (L1) and a tunnel segment (L2), and is characterized in that: the storage battery pack or the super capacitor pack which supplies power when the train runs on a bright line section (L1) is arranged in the train body of the train (10), the pantograph (11) which directly draws current from a contact net (20) is arranged in a tunnel section (L2) at the top of the train body, and a buffer device which meets the lifting requirement of the train during running is configured; the bright line segment (L1) only lays a track structure, no upright post or power supply line is arranged beside the line, and the train (10) provides driving power by itself; the method is characterized in that a contact net (20) is erected at the top of the tunnel in the tunnel section (L2), a contact net current-collecting switching device (30) is arranged at the entrance and exit of the tunnel section (L2), a pantograph (11) of the train (10) is in stable contact with the contact net (20) through the contact net current-collecting switching device (30) after the train drives into the tunnel section (L2) at a normal speed, the contact net (20) provides running power for the train (10), and the power is provided for quick charging of a storage battery pack or a super capacitor pack.
2. The dual-power-supply system type travel rail transit system as claimed in claim 1, which is characterized in that: the contact net current collection switching device (30) comprises rubber walking wheels (12) and walking track plates (31), wherein the rubber walking wheels (12) are fixedly arranged between carbon sliding plates (13) at the tail ends of pantographs (11) in a bilateral symmetry mode; the walking track plate (31) is fixedly arranged at the lower end of the support, is arranged in bilateral symmetry relative to the longitudinal center line of the train and corresponds to the rubber walking wheels (12).
3. The dual-power-supply system type travel rail transit system as claimed in claim 2, characterized in that: the longitudinal section of the traveling track plate (31) consists of an arc transition section and a straight line section from outside to inside, and the straight line section and the front end of a contact net (20) erected at the top of the tunnel are horizontally provided with a superposition area; when the rubber walking wheels (12) are in contact with straight line sections of the walking track plate (31), the top contact line of the carbon sliding plate (13) and the bottom surface of the contact net (20) are located on the same plane.
4. The dual-power-supply system type travel rail transit system as claimed in claim 2, characterized in that: the overhead line system (20) comprises a charged section and an uncharged section, wherein the uncharged section is arranged at the tunnel entrance.
5. The dual-power-supply system type travel rail transit system as claimed in claim 2, characterized in that: the support includes that stand (32) and mounting panel (33) constitute, and mounting panel (33) welded fastening is in the top of stand (32), and the support is by setting up the top at the tunnel of bolt assembly fixed mounting on mounting panel (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921987369.0U CN212827905U (en) | 2019-11-18 | 2019-11-18 | Double-power-supply system type travel rail transit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921987369.0U CN212827905U (en) | 2019-11-18 | 2019-11-18 | Double-power-supply system type travel rail transit system |
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| Publication Number | Publication Date |
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| CN212827905U true CN212827905U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921987369.0U Active CN212827905U (en) | 2019-11-18 | 2019-11-18 | Double-power-supply system type travel rail transit system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212252A (en) * | 2021-05-24 | 2021-08-06 | 中铁电气化勘测设计研究院有限公司 | Interlocking system for switching power supply between charging rod and contact network |
-
2019
- 2019-11-18 CN CN201921987369.0U patent/CN212827905U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212252A (en) * | 2021-05-24 | 2021-08-06 | 中铁电气化勘测设计研究院有限公司 | Interlocking system for switching power supply between charging rod and contact network |
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