CN108860176A - A kind of single track standard traffic system - Google Patents
A kind of single track standard traffic system Download PDFInfo
- Publication number
- CN108860176A CN108860176A CN201810870086.1A CN201810870086A CN108860176A CN 108860176 A CN108860176 A CN 108860176A CN 201810870086 A CN201810870086 A CN 201810870086A CN 108860176 A CN108860176 A CN 108860176A
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- China
- Prior art keywords
- wheel assembly
- wheel
- track girder
- track
- standard traffic
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- 230000005611 electricity Effects 0.000 claims abstract description 4
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B13/00—Other railway systems
- B61B13/04—Monorail systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
- B61F5/52—Bogie frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F9/00—Rail vehicles characterised by means for preventing derailing, e.g. by use of guide wheels
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B25/00—Tracks for special kinds of railways
- E01B25/08—Tracks for mono-rails with centre of gravity of vehicle above the load-bearing rail
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
Abstract
A kind of single track standard traffic system, it is made of monorail train, power truck, power supply system, track girder, concrete column, the top surface of the concrete column is equipped with track girder, the track girder is equipped with power supply system, the power truck straddle seat is on track girder, the monorail train is by power truck supporting and running on track girder, the power truck can be from power supply system by electricity, power is provided for monorail train, the power truck includes bogie frame, guiding wheel assembly, traveling wheel assembly and anti-jump wheel assembly；The configuration of the present invention is simple as a result, handling convenience, can reduce monorail train height of C.G., improve running stability, save car body guest room space, improve riding comfort problem.The blank that lower flange traveling single track standard traffic system is not disclosed both at home and abroad is filled up.
Description
Technical field
The present invention relates to the technical field of rail traffic more particularly to a kind of single track standard traffic systems.
Background technique
Monorail transit is that a kind of track is a strip-form beam body, the traffic system of monorail train traveling disposed thereon.It will
Traffic above-ground moves in the air, without solving urban transport problems, this traffic on the basis of extending city existing highway facility
Mode takes full advantage of city space.For performance, monorail transit has occupied space few, and adaptation to the ground is good, comfortable environment-protection
The features such as.
Some Domestic monorail transit, using walking on beam, i.e., travelling wheel is walked on the running face of track girder, causes car body weight
The heart is high, and monorail train waves strongly when operation, meanwhile, the arrangement occupancy car body guest room space of bogie leads to guest room space quilt
It occupies, equipment arrangement is crowded, and seating is uncomfortable, and travelling wheel walking is on the surface of beam body.
Currently, the urban light rail of Chongqing construction, bogie of single-rail train travelling wheel are located at monorail train vehicle body, mention
Power is run for vehicle and undertakes all load of vehicle, and travelling wheel is walked on the top surface of track girder, directive wheel and steady wheel
Beam body is embraced to be oriented to and stablize car body in the two sides for being located at beam body.There are the travelling wheel of monorail train transverse directions for this design
Spacing is small, and bodywork height and center are high, and when operation, monorail train is waved strongly；Travelling wheel invades car body guest room space, leads to visitor
Room space is occupied, and equipment arrangement is crowded, takes uncomfortable.
Therefore, monorail train height of C.G. how is reduced, monorail train is reduced and waves, save car body guest room space, improve
Riding comfort those skilled in the art technical problem urgently to be resolved.
For this purpose, designer of the invention, in view of drawbacks described above, by concentrating on studies and designing, synthesis is engaged in for many years for a long time
The experience and achievement of related industry, researching and designing goes out a kind of single track standard traffic system, to overcome drawbacks described above.
Summary of the invention
The purpose of the present invention is to provide a kind of single track standard traffic systems, and structure is simple, and handling convenience can reduce single
Rail train height of C.G. improves running stability, saves car body guest room space, improves riding comfort problem.The country is filled up
The blank of outer not publicly lower flange traveling single track standard traffic system.
To solve the above problems, the invention discloses a kind of single track standard traffic systems, by monorail train, electronic-controlled power steering
Frame, power supply system, track girder, concrete column composition, it is characterised in that：
The top surface of the concrete column is equipped with track girder, and the track girder is equipped with power supply system, the power truck
Straddle seat on track girder, the monorail train by power truck supporting and running on track girder, the power truck energy
From power supply system by electricity to provide power for monorail train.
Wherein：The power truck includes bogie frame, is oriented to wheel assembly, traveling wheel assembly and anti-jump wheel assembly,
The bogie frame includes the support platform on top, and the lower end of the support platform is equipped with the connection for being respectively in track girder two sides
Frame, the top of each connection frame are equipped with horizontally disposed multiple guiding wheel assemblies, and the guiding wheel assembly is resisted against track
The steady wheel running face of beam upper beam two sides, is equipped in the middle part of each connection frame to respectively correspond and is located at below guiding wheel assembly
Multiple anti-jump wheel assemblies, the anti-jump wheel assembly are resisted against on track girder the anti-jump wheel running face below steady wheel running face, respectively
The lower part of the connection frame is equipped with multiple traveling wheel assemblies, and the travelling wheel that the traveling wheel assembly is resisted against track girder lower wing plate is walked
Row face, and each traveling wheel assembly is respectively equipped with driving device, the driving device driving traveling wheel assembly is walked.
Wherein：Each anti-jump wheel assembly is obliquely installed upwards from outside to inside to be resisted against on track girder from steady wheel traveling
The anti-jump wheel running face that face inclined downward extends inwardly downward.
Wherein：The quantity of the guiding wheel assembly and anti-jump wheel assembly is three and each anti-jump wheel assembly is respectively arranged at
It is oriented to the lower section of wheel assembly.
Wherein：The quantity of the traveling wheel assembly is two and is respectively arranged between guiding wheel assembly two-by-two.
Wherein：The center of the support platform is connected to the bottom of monorail train by centrepin.
Wherein：Support platform is symmetrically arranged with multiple groups cushion in the two sides of centrepin preferably to accept monorail train.
Wherein：Traveling wheel assembly includes travelling wheel wheel rim and the travelling wheel tire positioned at travelling wheel wheel rim outer rim, and one slows down
Device is connected to the output shaft of driving device, and the retarder is directly connected with travelling wheel wheel rim to pass the power of driving device
It is handed to travelling wheel wheel rim and travelling wheel is driven to walk on track girder.
Wherein：The traveling wheel assembly is fixed on steering structure with multiple bolted-ons by the connecting flange of driving device
On body.
Wherein：The mounting axis of the traveling wheel assembly and the inclination angle of travelling wheel running face of track girder are parallel to guarantee
The travelling wheel running face parallel contact of travelling wheel and track girder.
By above structure it is found that single track standard traffic system of the invention include concrete column, track girder and with
Power truck that the track girder is used cooperatively and monorail train thereon.Track girder mark in the shape of an " I " and used at present
Quasi- rail section is identical, has good anti-bending strength, is placed on concrete column.Power truck by bogie frame,
It is oriented to the composition such as wheel assembly, traveling wheel assembly, anti-jump wheel assembly, driving device, centrepin.Be oriented to wheel assembly, traveling wheel assembly,
The other components such as anti-jump wheel assembly, driving device are reasonably arranged in the two sides of bogie frame, and travelling wheel is walked in track girder
In bottom wing plate face, the height of C.G. of monorail train is reduced；Directive wheel is distributed in track girder top left and right beam two sides and tightly embraces
Track girder plays the role of stablizing guiding；It is anti-jump to take turns the neck location for being arranged in the two sides of track girder, it effectively prevent bogie
It is detached from beam body, while improving the stability of monorail train operation, increases riding comfort；Monorail train is by centrepin and moves
Power bogie is connected.
Detailed content of the invention can be obtained by aftermentioned explanation and institute's attached drawing.
Detailed description of the invention
Fig. 1 shows the overall schematic of single track standard traffic system of the invention.
Fig. 2 shows the structural schematic diagram of power truck in the present invention.
Fig. 3 shows the front view of power truck in the present invention.
Fig. 4 shows the top view of power truck in the present invention
Fig. 5 shows the sectional view of middle orbit beam of the present invention.
Fig. 6 shows the schematic diagram of traveling wheel assembly in the present invention.
Fig. 7 shows the sectional view of power truck in the present invention.
Appended drawing reference：
1 be monorail train, 2 be power truck, 3 be power supply system, 4 be track girder, 5 be concrete column, 21 for turn
To framework frame, 22 be guiding wheel assembly, 23 be driving device, 24 be traveling wheel assembly, 25 be anti-jump wheel assembly, 26 be buffering
Pad, pin centered on 27,242 be travelling wheel tire, 243 be travelling wheel wheel rim, 244 be retarder.
Specific embodiment
Referring to Fig. 1 to Fig. 7, it is shown that single track standard traffic system of the invention.
The single track standard traffic system is by monorail train 1, power truck 2, power supply system 3, track girder 4, concrete
Column 5 forms, and the top surface of the concrete column 5 is equipped with track girder 4, and the track girder 4 is equipped with power supply system 3, the power
2 straddle seat of bogie on track girder 4, the monorail train 1 by 2 supporting and running of power truck on track girder 4, it is described dynamic
Power bogie 2 can be from power supply system 3 by electricity, to provide power for monorail train, wherein the monorail train 1 and electronic-controlled power steering
Frame 2 can be to be multiple, so as to be serially connected the train to form more piece monorail train 1 and conspire to create.
Referring to fig. 2, the power truck 2 in the present invention includes bogie frame 21, guiding wheel assembly 22, driving device
23, traveling wheel assembly 24, anti-jump wheel assembly 25, cushion 26 and centrepin 27, the bogie frame 21 include the branch on top
Platform is supportted, the center of the support platform is connected to the bottom of monorail train 1 by centrepin 26, and support platform is in centrepin
27 two sides are symmetrically arranged with multiple groups cushion 26, and preferably to accept monorail train 1, the lower end of the support platform is equipped with a point column
Connection frame in 4 two sides of track girder, the top of each connection frame are equipped with horizontally disposed multiple (preferably three) guiding
Wheel assembly 22, the guiding wheel assembly 22 are resisted against the steady wheel running face 403 of 4 upper beam two sides of track girder, each connection frame
Middle part be equipped with multiple (preferably three) the anti-jump wheel assemblies 25 for respectively corresponding and being located at guiding wheel assembly 22 lower section, it is described anti-
Wheel assembly 25 is jumped to be obliquely installed upwards from outside to inside to be resisted against on track girder 4 from 403 inclined downward of steady wheel running face from outer
The lower part of the anti-jump wheel running face 402 inwardly extended gradually downward, each connection frame is equipped with multiple (preferably two) travelings
Wheel assembly 24, the traveling wheel assembly 24 can tilt down setting from outside to inside to be resisted against the slave extroversion of 4 lower wing plate of track girder
The travelling wheel running face 401 that interior upward inclination extends, and each traveling wheel assembly 24 can be located separately and be oriented between wheel assembly two-by-two,
And it is respectively equipped with driving device 23, the driving device 23 drives traveling wheel assembly 24 to walk.
Main component is reasonably arranged symmetrically in the two sides of bogie frame 21 as a result, and by quantity, position and inclines
Oblique setting can make 24 stabilized walking of traveling wheel assembly on the travelling wheel running face of track lower flange of girder plate, moreover it is possible to provide
Better train driving stability, also effectively reduces the centre-height of monorail train, improves the stationarity of train operation.
At least six groups of guiding wheel assemblies 22 are distributed in track girder upper beam two sides and tightly embrace track girder, play the role of stablizing guiding；
Four groups of anti-jump wheels 25 are arranged in the neck location of track girder, effectively prevent bogie to be detached from beam body, while improving monorail train
The stability of operation increases riding comfort；Monorail train car body is linked together by centrepin 27 with bogie frame, is passed
Tractive force is passed, cushion 26 is acted on monorail train car body, worked as a buffer, and reduces the shaking of train, improves comfort.
Referring to Fig. 5, the key dimension of the track girder 4 includes the bottom width of the width M of upper beam, the deck-molding H of track girder, underbeam
L, the inclination angle b of travelling wheel running face outside-in is gradually increasing inclination angle a, anti-jump wheel running face.It is being preferably implemented
In example, L can be 1400 millimeters；M is 800 millimeters；H is 1300 millimeters；A angle can be within the scope of 0 °~30 °；B angle can be 60 °
Within the scope of~90 °, in preferred structure, a angle can be within the scope of 10 °~20 °；B angle can be 75 °~80 ° models
In enclosing, preferably to provide the equilibrium of traveling function and anti-bouncing function, it can preferably be adapted to whole system.
Referring to Fig. 6 and Fig. 7, traveling wheel assembly 24 including travelling wheel wheel rim 243 and is located at travelling wheel wheel rim 243 in the present invention
The travelling wheel tire 242 of outer rim, one speed reducer 244 are connected to the output shaft of driving device 23, and the retarder 244 directly and
Travelling wheel wheel rim 243 connects, and the power of driving device 23 is transferred to travelling wheel wheel rim 243 and drives travelling wheel in track girder
It walks on 4.
Referring to Fig. 7, the traveling wheel assembly 24 is bolted with multiple bolts 245 by the connecting flange of driving device 23 and is fixed
On steering structure body 21, the inclination angle of the travelling wheel running face of the mounting axis and track girder 4 of the traveling wheel assembly 24 is flat
Row guarantees the travelling wheel running face parallel contact of travelling wheel and track girder 4.
Wherein, the mounting axis of the guiding wheel assembly 22 and anti-jump wheel assembly 25 is parallel with corresponding running face, with true
Protect the wheel face and running face parallel contact of each assembly.
It can be seen that the advantage of the invention is that：
1, the walking of traveling wheel assembly 4 effectively reduces the centre-height of monorail train in track lower flange of girder plate face, improves
Monorail train traveling comfort.
2, anti-jump wheel 5 is arranged in the neck location of the top two sides of track girder, effectively prevent bogie to be detached from beam body, together
When improve monorail train operation stability, increase riding comfort.
3, track girder uses concrete structure, and particular cross section is applicable in this bogie.
4, the arrangement form and quantity in bogie of main component.
5, bogie frame effectively reduces the centre-height of monorail train, improves the stationarity of train operation, simultaneously
It is not take up the guest room space of monorail train, ride comfort.
It is readily apparent that above description and record is only illustrated in the disclosure being not intended to be limiting of the invention
Appearance, application or use.Although describing and being described in the accompanying drawings embodiment in embodiment, the present invention is not limited
Be described as by attached drawing example and in embodiment it is now recognized that optimal mode to implement the particular case of the teachings of the present invention
Son, the scope of the present invention will include any embodiment for falling into the description and appended claims of front.
Claims (10)
1. a kind of single track standard traffic system, by monorail train, power truck, power supply system, track girder, concrete column group
At, it is characterised in that：
The top surface of the concrete column is equipped with track girder, and the track girder is equipped with power supply system, the power truck straddle seat
On track girder, for the monorail train by power truck supporting and running on track girder, the power truck can be from confession
Electric system is by electricity to provide power for monorail train.
2. single track standard traffic system as described in claim 1, it is characterised in that：The power truck includes steering structure
Frame, guiding wheel assembly, traveling wheel assembly and anti-jump wheel assembly, the bogie frame include the support platform on top, the branch
The lower end of support platform is equipped with the connection frame for being respectively in track girder two sides, and the top of each connection frame is equipped with horizontally disposed more
A guiding wheel assembly, the guiding wheel assembly are resisted against the steady wheel running face of track girder upper beam two sides, each connection frame
Middle part is equipped with the multiple anti-jump wheel assemblies for respectively corresponding and being located at below guiding wheel assembly, and the anti-jump wheel assembly is resisted against track
Anti-jump wheel running face on beam below steady wheel running face, the lower part of each connection frame is equipped with multiple traveling wheel assemblies, described
Traveling wheel assembly is resisted against the travelling wheel running face of track girder lower wing plate, and each traveling wheel assembly is respectively equipped with driving device, institute
Driving device driving traveling wheel assembly is stated to walk.
3. single track standard traffic system as claimed in claim 2, it is characterised in that：Each anti-jump wheel assembly from outside to inside to
On be obliquely installed to be resisted against the anti-jump wheel running face extended inwardly downward on track girder from steady wheel running face inclined downward.
4. single track standard traffic system as claimed in claim 2, it is characterised in that：The guiding wheel assembly and anti-jump wheel assembly
Quantity be three and each anti-jump wheel assembly is respectively arranged at the lower section of guiding wheel assembly.
5. single track standard traffic system as claimed in claim 4, it is characterised in that：The quantity of the traveling wheel assembly is two
And it is respectively arranged at and is oriented between wheel assembly two-by-two.
6. single track standard traffic system as claimed in claim 2, it is characterised in that：The center of the support platform passes through center
Pin connection is to the bottom of monorail train.
7. single track standard traffic system as claimed in claim 6, it is characterised in that：Support platform is symmetrical in the two sides of centrepin
Equipped with multiple groups cushion preferably to accept monorail train.
8. single track standard traffic system as claimed in claim 2, it is characterised in that：Traveling wheel assembly include travelling wheel wheel rim and
Positioned at the travelling wheel tire of travelling wheel wheel rim outer rim, one speed reducer is connected to the output shaft of driving device, and the retarder is straight
It connects and is connected with travelling wheel wheel rim the power of driving device is transferred to travelling wheel wheel rim and drives travelling wheel in track girder uplink
It walks.
9. single track standard traffic system as claimed in claim 8, it is characterised in that：The traveling wheel assembly passes through driving device
Connecting flange be fixed on steering structure body with multiple bolted-ons.
10. single track standard traffic system as claimed in claim 8, it is characterised in that：The mounting axis of the traveling wheel assembly
The travelling wheel running face parallel contact to guarantee travelling wheel and track girder parallel with the inclination angle of travelling wheel running face of track girder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810870086.1A CN108860176A (en) | 2018-08-02 | 2018-08-02 | A kind of single track standard traffic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810870086.1A CN108860176A (en) | 2018-08-02 | 2018-08-02 | A kind of single track standard traffic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108860176A true CN108860176A (en) | 2018-11-23 |
Family
ID=64307424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810870086.1A Pending CN108860176A (en) | 2018-08-02 | 2018-08-02 | A kind of single track standard traffic system |
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| Country | Link |
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| CN (1) | CN108860176A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109835353A (en) * | 2019-03-08 | 2019-06-04 | 中车株洲电力机车有限公司 | A kind of Straddle type monorail travelled by vehicle structure and its track girder |
| CN110103997A (en) * | 2019-06-25 | 2019-08-09 | 武汉新丝路快铁物流有限公司 | A kind of straddle type rail transit transportation system |
| CN110126850A (en) * | 2019-06-25 | 2019-08-16 | 武汉新丝路快铁物流有限公司 | A kind of suspension type rail transportation system of high climbing capacity |
| CN110735365A (en) * | 2019-11-26 | 2020-01-31 | 中铁二院工程集团有限责任公司 | straddle type track beam |
| CN110884518A (en) * | 2019-12-17 | 2020-03-17 | 株洲中车特种装备科技有限公司 | Single-shaft suspension type single-rail tourist coach bogie |
| CN112595185A (en) * | 2020-12-09 | 2021-04-02 | 南京长峰航天电子科技有限公司 | Double-track straddle type mobile platform system |
| CN112874573A (en) * | 2019-11-29 | 2021-06-01 | 比亚迪股份有限公司 | Switch system, rail transit system with switch system and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2397013Y (en) * | 1999-11-25 | 2000-09-20 | 李胜善 | Monorail transport vehicle body and track beam |
| EP1726503A2 (en) * | 1998-11-06 | 2006-11-29 | Einar Svensson | Monorail system |
| KR20160033973A (en) * | 2014-09-19 | 2016-03-29 | 한국모노레일주식회사 | Low floor Monorail commutting rail and transport system |
| CN208646845U (en) * | 2018-08-02 | 2019-03-26 | 中铁工程机械研究设计院有限公司 | A kind of single track standard traffic system |
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2018
- 2018-08-02 CN CN201810870086.1A patent/CN108860176A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1726503A2 (en) * | 1998-11-06 | 2006-11-29 | Einar Svensson | Monorail system |
| CN2397013Y (en) * | 1999-11-25 | 2000-09-20 | 李胜善 | Monorail transport vehicle body and track beam |
| KR20160033973A (en) * | 2014-09-19 | 2016-03-29 | 한국모노레일주식회사 | Low floor Monorail commutting rail and transport system |
| CN208646845U (en) * | 2018-08-02 | 2019-03-26 | 中铁工程机械研究设计院有限公司 | A kind of single track standard traffic system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109835353A (en) * | 2019-03-08 | 2019-06-04 | 中车株洲电力机车有限公司 | A kind of Straddle type monorail travelled by vehicle structure and its track girder |
| CN110103997A (en) * | 2019-06-25 | 2019-08-09 | 武汉新丝路快铁物流有限公司 | A kind of straddle type rail transit transportation system |
| CN110126850A (en) * | 2019-06-25 | 2019-08-16 | 武汉新丝路快铁物流有限公司 | A kind of suspension type rail transportation system of high climbing capacity |
| CN110735365A (en) * | 2019-11-26 | 2020-01-31 | 中铁二院工程集团有限责任公司 | straddle type track beam |
| CN112874573A (en) * | 2019-11-29 | 2021-06-01 | 比亚迪股份有限公司 | Switch system, rail transit system with switch system and control method |
| CN110884518A (en) * | 2019-12-17 | 2020-03-17 | 株洲中车特种装备科技有限公司 | Single-shaft suspension type single-rail tourist coach bogie |
| CN112595185A (en) * | 2020-12-09 | 2021-04-02 | 南京长峰航天电子科技有限公司 | Double-track straddle type mobile platform system |
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