CN112606699A - Small magnetic suspension micro-rail electric car suitable for power receiving of contact rail - Google Patents
Small magnetic suspension micro-rail electric car suitable for power receiving of contact rail Download PDFInfo
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- CN112606699A CN112606699A CN202011580514.0A CN202011580514A CN112606699A CN 112606699 A CN112606699 A CN 112606699A CN 202011580514 A CN202011580514 A CN 202011580514A CN 112606699 A CN112606699 A CN 112606699A
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- rail
- suspension
- power receiving
- guide
- contact rail
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- 239000000725 suspension Substances 0.000 title claims abstract description 38
- 238000005339 levitation Methods 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 230000005389 magnetism Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
- B60L13/10—Combination of electric propulsion and magnetic suspension or levitation
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
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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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention provides a small-sized magnetic levitation micro-rail electric car suitable for power receiving of a contact rail, which mainly comprises a car body, a power system, a guide system, a suspension system and a power receiving system, wherein the car body comprises a carriage, a storage battery and a bogie; the guide system comprises a guide air gap, a guide electromagnet and a guide rail; the suspension system comprises a suspension air gap, a suspension guide rail and a suspension electromagnet; the power system comprises a reaction plate and a linear motor; the power receiving system comprises a contact rail and a trolley collector, the bogie is arranged at the bottom of the carriage, a storage battery is arranged at the inner top of the bogie, the power system, the guide system, the suspension system and the power receiving system are symmetrically arranged on two sides of the bogie, and the trolley collector is matched with the contact rail on two sides of the supporting beam. The invention has the beneficial effects that: the noise is small, the service life is long, the intelligent effect is achieved, and derailment is not easy to happen; the laying cost is low, and the influence on the electrified rails caused by natural disasters is less; the tunnel is suitable for tunnels with small places in installation sites and small turning radii, does not influence the viewing of passengers, and has good visual effect.
Description
Technical Field
The invention belongs to the technical field of rail transit, and particularly relates to a small magnetic suspension micro-rail electric car suitable for power receiving of a contact rail. The trolley bus is used for tourist trains in places with small turning radius, such as amusement parks, mountainous and water-through tourist attractions and the like. This magnetic levitation tram adopts the contact rail to supply power to the interior battery of tram, can reduce the noise for traditional wheel rail train magnetic suspension, can reduce area for the contact net power supply mode.
Background
The wheel and steel rail direct contact of the traditional wheel rail train can generate large noise in the driving process, so that passengers in a carriage feel uncomfortable, and particularly when the wheel and steel rail direct contact is used for scenic spot sightseeing, the tourists can be greatly reduced to enjoy sightseeing. Meanwhile, the wheels and the steel rails are seriously abraded, and the service life of the train is shortened. The traditional wheel-rail train also has the defect of high energy consumption. Traditional train contact net power supply mode causes investment cost height because of needing high altitude overhead line, and the circuit easily receives sleet weather influence for scenic spot tourism electric vehicle frame line pole can influence visitor sight outside the sight window.
Disclosure of Invention
The invention aims to provide a small magnetic suspension micro-rail electric car suitable for receiving power of a contact rail, which is used for the electric car for the places with small turning radius such as amusement parks, tourist attractions and the like. Can be used for transporting passengers with less number of passengers, low driving speed, short route and non-operation property. The passengers in a single carriage do not exceed 12 persons, the running speed is not more than 100km/h, the weight is light and only a few tons, and the volume is small. The storage battery in the trolley bus is charged by adopting a contact rail power supply mode, so that the energy consumption is low, the service life of the trolley bus is long, the overhead line is not needed, the investment is low, the space is saved, and the line maintenance is simple.
In order to achieve the purpose, the invention adopts the technical scheme that: a small-sized magnetic suspension micro-rail electric car suitable for power receiving of a contact rail comprises a car body, a power system, a guide system, a suspension system and a power receiving system, wherein the car body comprises a carriage, a storage battery and a bogie, the guide system comprises a guide air gap, a guide electromagnet and a guide rail, the suspension system comprises a suspension air gap, a suspension guide rail and a suspension electromagnet, and the power system comprises a reaction plate and a linear motor; the electric system includes contact rail, trolley-bus current collector, the bogie is frame-type steel beam structure, and the vertical axle in steel beam structure top penetrates the carriage bottom and connects, and the carriage pivoting realizes the trolley-bus and turns, driving system, guidance system, suspension, electric system installation are in steel beam structure both sides frame space, the carriage bottom is equipped with the battery, and the open end is equipped with the contact rail looks adaptation of trolley-bus current collector and a supporting beam both sides.
The magnetic suspension micro-rail electric car is a single-box car body with a single carriage length less than 8 m and a tourist electric car with seats less than 12 persons.
And the power system adopts a side contact rail current collection mode to charge a storage battery in the electric car.
The contact rail is externally powered by the steel-aluminum composite rail, and the trolley bus current collector adopts a carbon sliding plate trolley current collector.
The charging time of the storage battery in the station is less than fifteen minutes, and the power supply vehicle runs for 30-40 kilometers.
The invention has the beneficial effects that: the maglev trolley is used as a means of transportation for tourists to visit in an amusement place, adopts a side contact type rail form as a mode of charging a storage battery in the maglev trolley after the maglev trolley stops, and has the advantages of low noise, long service life, more intellectualization and difficulty in derailing compared with a traditional wheel rail train. Compared with a contact network power supply mode, the contact rail power supply mode has the advantages of low wiring cost, less influence on the contact rail due to natural disasters, suitability for tunnels with smaller installation sites and smaller turning radius, no influence on the look of passengers and better visual effect.
Drawings
FIG. 1 is a schematic view of a small-sized magnetic levitation micro-rail electric car suitable for receiving power from a contact rail;
FIG. 2 is a schematic diagram of a current collector of a small maglev micro-rail electric car suitable for receiving power from a contact rail;
fig. 3 is a schematic view of a contact rail structure of a small-sized magnetic levitation micro-rail electric car suitable for receiving power from the contact rail.
In the figure:
1. vehicle body 2, carriage 3, and battery
4. Power system 5, guide system 6, guide air gap
7. Suspension air gap 8, suspension system 9, and power receiving system
10. Contact rail 11, trolley collector 12, suspension guide rail
13. Suspension electromagnet 14, guide electromagnet 15, guide rail
16. Bogie 17, reaction plate 18 and linear motor
19. Bottom plate 20, pendulum rod mount pad 21, preceding pendulum rod
22. Rear swing rod 23, sliding plate swing rod 24 and carbon sliding plate
25. Current-receiving slide plate seat 26, wiring terminal 27 and extension spring
28. Screw 29, stopper 30, insulator
31. Mounting base 32, rail body 33 and rail head
34. Contact surface 35, protective cover 36, torsion spring
Detailed Description
The invention is explained with reference to the figures and the examples.
The invention relates to a small-sized maglev micro-rail electric car suitable for power receiving of contact rails, which mainly comprises a car body 1, a power system 4, a guide system 5, a suspension system 8, a power receiving system 9 and a support beam 10, wherein when a train stops, current collectors 12 of maglev trains on two sides of a car body bogie 17 are contacted with contact rails 11 of track beams on two sides of the support beam 10 to supply power to storage batteries in the train, the current collectors are separated from contact with the contact rails after charging for more than ten minutes, and the train can be fully charged after stopping in the station for more than ten minutes, so that the train can run for dozens of kilometers. The storage battery is started to supply power for suspension, guidance and running of the train, and is also used for illumination, air conditioning, broadcasting and television of the train. Suspension electromagnets 14 in the suspension system 8 at the two sides of the lower part of the vehicle body bogie 17 attract the suspension guide rails 16, and a suspension air gap 7 of about 10mm is kept between the suspension electromagnets under the action of the gravity and the attraction force of the vehicle body. The guide electromagnets 15 in the guide systems 5 on the two sides of the vehicle body bogie 17 attract the guide rails 16, the attraction forces on the two sides are equal and opposite, and a guide air gap 6 of about 10mm is kept between the guide electromagnets 15 and the guide rails 16 under the action of the attraction forces on the two sides. The accumulator battery is rectified and then the three-phase alternating current is introduced into the linear motor 19 to generate a magnetic field to interact with the supporting beam reaction plate 18 to drive the train to fly forwards. The power receiving system 9 protective cover protects the track beam contact rail 11 from being attached with dust, ice, snow and sundries, the protection is tighter, personnel can be prevented from unintentionally touching the electrified part of the contact rail, and the safety is higher. The contact surface of the track beam contact rail 11 is made of wear-resistant stainless steel materials, and the main body is made of aluminum alloy materials, so that the resistance of the contact rail can be reduced, and the weight of the contact rail is also reduced. The contact surface of the train current collector 12 is made of carbon materials and has good electrical conductivity.
Examples
As shown in fig. 1, when the electric train stops, the current collectors of the maglev electric train on both sides of the bogie of the train body contact with the contact rails on both sides of the support beam to charge the storage battery in the electric train, and the current collectors of the electric train are separated from contact with the contact rails after charging for more than ten minutes. After the electric car is driven, the storage battery is started to supply power for driving and braking, and the electric car is also used for lighting, air conditioning, broadcasting, television and the like.
As shown in FIG. 2, the right insulator 30 is mounted on the maglev trolley bogie 16, the other side is mounted on the bottom plate 19, two sets of swing link mounting seats 20 are welded on the bottom plate, and the front swing link 21 and the rear swing link 22 are mounted in holes of the swing link mounting seats 20. The slide plate swing rod 23 is hinged with the front swing rod 21 and the rear swing rod 22. The current-receiving sliding plate seat 25 is hinged on the front plate swing rod 21, a torsion spring 36 is sleeved on the rotating shaft connected with the current-receiving sliding plate seat 25 and the sliding plate swing rod 23, the torsion spring 36 is fixed with the current-receiving sliding plate seat 25 and the sliding plate swing rod 23, and the carbon sliding plate 24 is arranged on the current-receiving sliding plate seat 25. One end of the extension spring 27 with a screw 28 is arranged on the bottom plate 19 in a welding way, the screw 28 is provided with a limit nut 29 to prevent the extension spring 27 from being separated, and the limit nut 29 is connected with the hydraulic mechanism of the bogie 16. The other end of the extension spring 27 is connected to an extension of the backswing 22. The connecting terminal 26 on the sliding plate swing rod 23 is connected with the connecting terminal 26 on the bogie 16 through a lead, and external current flows into the connecting terminal 26 through the carbon sliding plate 24 and then flows into the interior of the electric car through the lead.
After the electric car stops, the hydraulic mechanism pulls the extension spring to drive the rear swing rod to swing to the left side, and meanwhile, the front swing rod and the swing rod of the sliding plate extend to the left to enable the carbon sliding plate to be in contact with the surface of the contact rail. The carbon sliding plate is tightly attached to the surface of the current receiving rail under the action of the tension of the extension spring. The torsion spring prevents the carbon slide plate from longitudinally swinging, and ensures stable current collection. The front swing rod, the rear swing rod, the bottom plate of the current collector and the swing rod of the sliding plate form a four-rod mechanism, and the carbon sliding plate has a larger stroke by utilizing a lever principle, so that the current collector of the electric car has the purpose of small pressure change amplitude in a normal moving range, and stable current collection is facilitated. After charging, the carbon sliding plate is removed into the bogie by the hydraulic mechanism.
As shown in fig. 3, the contact rail is made of an i-shaped steel-aluminum composite rail, the surface of the contact rail, which is in contact with the current collector of the electric vehicle, is made of wear-resistant stainless steel, the rail body is made of aluminum alloy, and the stainless steel plate is tightly embedded into the aluminum alloy rail body. The steel-aluminum composite rail has high conductivity which is 3-4 times that of the traditional low-carbon steel contact rail; 1/2 having a lighter weight, equal cross-section, conventional low carbon steel contact rail. The upper part of the contact rail is provided with a protective cover which can prevent rain, snow and sundries from invading.
The invention is described in detail above, and provides a small magnetic levitation micro-rail electric car suitable for power receiving of a contact rail by combining a new idea with mature technologies such as a magnetic levitation technology and a subway contact rail, and the small magnetic levitation micro-rail electric car can be widely applied to engineering.
Claims (5)
1. The utility model provides a little rail trolley-bus of small-size magnetism floats which is suitable for contact rail receives electricity which characterized in that: the magnetic suspension micro-rail electric car comprises a car body (1), a power system (4), a guiding system (5), a suspension system (8) and a power receiving system (9), wherein the car body comprises a carriage (2), a storage battery (3) and a bogie (16), the guiding system comprises a guiding air gap (6), a guiding electromagnet (14) and a guiding guide rail (15), the suspension system comprises a suspension air gap (7), a suspension guide rail (12) and a suspension electromagnet (13), and the power system comprises a reaction plate (17) and a linear motor (18); the power receiving system comprises a contact rail (10) and an electric vehicle current collector (11), a bogie (16) is of a frame type steel beam structure, a vertical shaft at the top of the steel beam structure penetrates into the bottom of a carriage (2) to be connected, the carriage rotates around a shaft to realize turning of the electric vehicle, a power system (4), a guide system (5), a suspension system (8) and a power receiving system (9) are installed in frame spaces on two sides of the steel beam structure, a storage battery (3) is arranged at the bottom of the carriage (2), and the open end of the power system is provided with the contact rail (10) which is matched with the electric vehicle current collector (11) and.
2. The small-sized magnetic levitation micro-rail electric vehicle suitable for power receiving of the contact rail according to claim 1, characterized in that: the magnetic suspension micro-rail electric car is a single-box car body with a single carriage length less than 8 m and a tourist electric car with seats less than 12 persons.
3. The small-sized magnetic levitation micro-rail electric vehicle suitable for power receiving of the contact rail according to claim 1, characterized in that: and the power system (4) adopts a side contact rail current collection mode to charge a storage battery in the electric car.
4. The small-sized magnetic levitation micro-rail electric vehicle suitable for power receiving of the contact rail according to claim 1, characterized in that: the contact rail is externally powered by a steel-aluminum composite rail, and the trolley bus current collector (11) adopts a carbon sliding plate trolley current collector.
5. The small-sized magnetic levitation micro-rail electric vehicle suitable for power receiving of the contact rail according to claim 1, characterized in that: the charging time of the storage battery in the station is less than fifteen minutes, and the power supply vehicle runs for 30-40 kilometers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011580514.0A CN112606699A (en) | 2020-12-28 | 2020-12-28 | Small magnetic suspension micro-rail electric car suitable for power receiving of contact rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011580514.0A CN112606699A (en) | 2020-12-28 | 2020-12-28 | Small magnetic suspension micro-rail electric car suitable for power receiving of contact rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112606699A true CN112606699A (en) | 2021-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011580514.0A Pending CN112606699A (en) | 2020-12-28 | 2020-12-28 | Small magnetic suspension micro-rail electric car suitable for power receiving of contact rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112606699A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116455016A (en) * | 2023-03-06 | 2023-07-18 | 重庆赛迪奇智人工智能科技有限公司 | Self-adaptive mechanism, power supply device and power supply system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050252407A1 (en) * | 2004-04-09 | 2005-11-17 | Lingqun Li | Hidden-rail and dual-attraction balancing compensation type permanent magnetic levitation train and railway system |
| CN101565002A (en) * | 2008-04-24 | 2009-10-28 | 上海轨道交通设备发展有限公司 | Suspension and guidance system of normally-on suction-type magnetic suspension vehicle |
| CN207737136U (en) * | 2018-01-11 | 2018-08-17 | 株洲中车时代电气股份有限公司 | A kind of energy storage type electric car charging rack |
| CN109823191A (en) * | 2019-03-25 | 2019-05-31 | 成都市新筑路桥机械股份有限公司 | A kind of medium-and low-speed maglev train system |
| CN209776183U (en) * | 2019-02-20 | 2019-12-13 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Magnetic suspension logistics vehicle applied to underground pipe gallery logistics system |
-
2020
- 2020-12-28 CN CN202011580514.0A patent/CN112606699A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050252407A1 (en) * | 2004-04-09 | 2005-11-17 | Lingqun Li | Hidden-rail and dual-attraction balancing compensation type permanent magnetic levitation train and railway system |
| CN101565002A (en) * | 2008-04-24 | 2009-10-28 | 上海轨道交通设备发展有限公司 | Suspension and guidance system of normally-on suction-type magnetic suspension vehicle |
| CN207737136U (en) * | 2018-01-11 | 2018-08-17 | 株洲中车时代电气股份有限公司 | A kind of energy storage type electric car charging rack |
| CN209776183U (en) * | 2019-02-20 | 2019-12-13 | 中国航天科工飞航技术研究院（中国航天海鹰机电技术研究院） | Magnetic suspension logistics vehicle applied to underground pipe gallery logistics system |
| CN109823191A (en) * | 2019-03-25 | 2019-05-31 | 成都市新筑路桥机械股份有限公司 | A kind of medium-and low-speed maglev train system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116455016A (en) * | 2023-03-06 | 2023-07-18 | 重庆赛迪奇智人工智能科技有限公司 | Self-adaptive mechanism, power supply device and power supply system |
| CN116455016B (en) * | 2023-03-06 | 2024-03-12 | 重庆赛迪奇智人工智能科技有限公司 | Self-adaptive mechanism, power supply device and power supply system |
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Application publication date: 20210406 |