CN109178022B - High-speed train system with new wheel rail driven in distributed mode - Google Patents
High-speed train system with new wheel rail driven in distributed mode Download PDFInfo
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- CN109178022B CN109178022B CN201811148190.6A CN201811148190A CN109178022B CN 109178022 B CN109178022 B CN 109178022B CN 201811148190 A CN201811148190 A CN 201811148190A CN 109178022 B CN109178022 B CN 109178022B
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- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 238000013016 damping Methods 0.000 claims abstract description 13
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
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- 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
-
- 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
- B61F13/00—Rail vehicles characterised by wheel arrangements, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
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Abstract
The invention relates to a distributed driving new wheel rail high-speed train system in the technical field of rail transit, which comprises a plurality of bogie main bodies and a pair of rail assemblies, wherein each rail assembly comprises a bearing rail and a guiding rail; each bogie main body comprises a carriage connecting frame, a bearing frame, bearing wheels, guide wheels, a transverse telescopic connecting rod mechanism, a spring damping component, a damping component and a motor mounting frame; the two bearing wheels of each bogie main body are arranged and roll on the two bearing rails respectively; the guide wheels of each bogie main body are provided with two groups and roll on the two guide rails respectively; each bearing wheel is provided with a power unit, the power unit comprises a bearing wheel driving motor, the bearing wheel driving motor is arranged on a motor mounting frame, and an output main shaft of the bearing wheel driving motor is in transmission connection with a wheel shaft of the bearing wheel. Such that each load bearing wheel is configured with an independent power source.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a new wheel-rail high-speed train system.
Background
Wheel-rail trains and maglev trains are the main two technical forms of rail traffic. The wheel-rail train adopts a mode that wheels are meshed and run on a rail, the wheels are in direct contact with the rail, and the wheel-rail train is widely applied to special occasions such as railways, urban traffic, mines and the like, is a common mode of rail traffic, and has the advantages of mature technology, safety, reliability, strong transportation capability, punctuality, high accessibility, high comfort and the like.
The limitations of conventional wheeltrack trains are mainly manifested in two points: (1) The bearing and guiding functions in the system formed by the wheels and the rails (the wheel rail system for short) are coupled. When the speed reaches more than 400km/h, the dynamic performance of the wheel-rail contact is drastically reduced, and meanwhile, the requirement of the high speed on the wheel-rail system is strictly maintained, so that the safety and the reliability are greatly reduced, and the corresponding economic performance is also greatly reduced. The traditional wheel track system limits the improvement of the maximum speed of the train; (2) By means of rolling friction running of the wheel rail, so-called adhesive running, the extent of friction utilization both determines and limits the exertion of the traction capacity of the system. To achieve higher speeds, it is required to utilize the weight of the train as much as possible to generate friction, and eventually the entire weight of the train is used to generate friction, and all axles are moving shafts, which is the basic principle of the current motor train unit. The limitation of traction force hinders the acceleration performance of the train and the improvement of the maximum vehicle speed.
Disclosure of Invention
The invention aims to provide a distributed drive new wheel-rail high-speed train system so as to get rid of the limit of gravity to generate traction.
The purpose of the invention is realized in the following way: a distributed driving new wheel rail high-speed train system comprises a plurality of bogie main bodies and a pair of track assemblies in rolling fit with the bogie main bodies, wherein each track assembly comprises a bearing track and a guide track, the working surface of the bearing track is horizontally arranged, and the working surface of the guide track is vertically arranged;
each bogie main body comprises a carriage connecting frame, a bearing frame, bearing wheels, guide wheels, a transverse telescopic connecting rod mechanism, a spring damping component, a damping component and a motor mounting frame arranged on the carriage connecting frame, wherein the carriage connecting frame is horizontally and rotatably arranged on the bottom side of a carriage, and the damping component is arranged between the carriage connecting frame and the bearing frame and is simultaneously connected with the carriage connecting frame and the bearing frame;
the two bearing wheels of each bogie main body are respectively arranged at the left end and the right end of the bearing frame and roll on two bearing rails respectively;
the steering wheels of each bogie main body are provided with two groups of two steering wheels, the two groups of steering wheels are respectively arranged at the left end and the right end of the transverse telescopic link mechanism and roll on two steering rails, the transverse telescopic link mechanism can perform left-right bidirectional telescoping, the telescoping direction is perpendicular to the central line of a carriage, and the spring damping assembly is combined with the transverse telescopic link mechanism to enable the transverse telescopic link mechanism to be in a state of stretching at the left side and the right side all the time;
each bearing wheel is provided with a power unit, the power unit comprises a bearing wheel driving motor, the bearing wheel driving motor is arranged on a motor mounting frame, and an output main shaft of the bearing wheel driving motor is in transmission connection with a wheel shaft of the bearing wheel.
Further, each guide wheel is provided with a driving unit, the driving unit comprises a guide wheel driving motor arranged on the motor mounting frame, and an output main shaft of the guide wheel driving motor is in transmission connection with a wheel shaft of the guide wheel.
Further, the driving unit matched with the guide wheel further comprises a gear transmission mechanism, the gear transmission mechanism is arranged on the transverse telescopic connecting rod mechanism, and the guide wheel driving motor, the gear transmission mechanism and the wheel shaft of the guide wheel are sequentially in transmission connection.
Further, the gear transmission mechanism comprises a gear box, and further comprises a driving bevel gear and a driven bevel gear which are arranged in the gear box, wherein the driving bevel gear and the driven bevel gear are meshed with each other, the driving bevel gear and an output shaft of the guide wheel driving motor form a transmission fit relationship, and the driven bevel gear is coaxially sleeved on a wheel shaft of the guide wheel.
Further, the power unit matched with each bearing wheel further comprises a pair of bearing universal joints and a bearing universal shaft, and two ends of the bearing universal shaft are respectively connected with the wheel shaft of the bearing wheel and the output shaft of the bearing wheel driving motor through the bearing universal joints.
Further, the driving unit matched with the guide wheel further comprises a pair of guide part universal joints and a guide part linkage shaft, and two ends of the guide part linkage shaft are respectively connected with a wheel shaft of the driving bevel gear and an output shaft of the guide wheel driving motor through the guide part universal joints.
Further, the transverse telescopic link mechanism is of a scissor fork link structure, a central hinge point of the transverse telescopic link mechanism is positioned on a rotation central axis of the carriage connecting frame, and the transverse telescopic link mechanism is in sliding connection with the bearing frame and forms a sliding pair.
The invention has the beneficial effects that: each bearing wheel and each guide wheel are provided with independent power sources, so that the traction force of the train is free from the limit of the traction force generated by gravity, and the system has strong power performance; the modular design is convenient to realize, and the later installation and maintenance are convenient; the recovery of train braking energy can be realized, and the system is more energy-saving; the braking force can be eliminated from the limit of gravity to generate braking force, and the system is safer.
Drawings
FIG. 1 is a schematic diagram of the system layout of the present invention.
Fig. 2 is a sectional view A-A in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 2.
In the figure, a carriage connecting frame 1, a bearing frame 2, a bearing wheel 3, a bearing wheel driving motor 4, a guide wheel 5, a gear transmission mechanism 6, a gear box 601, a driving bevel gear 602, a driven bevel gear 603, a guide wheel driving motor 7, a bearing part universal joint 8, a bearing part linkage shaft 9, a bearing rail 10, a guide rail 11, a damping component 12, a transverse telescopic link mechanism 13, a spring damping component 14, a guide part universal joint 15 and a guide part linkage shaft 16.
Detailed Description
The invention will be further described with reference to the drawings and specific examples.
As shown in fig. 1-3, a distributed drive new track high speed train system includes a plurality of truck bodies and a pair of track assemblies in rolling engagement with the truck bodies.
Each track assembly comprises a bearing track 10 and a guide track 11, wherein the working surface of the bearing track 10 is horizontally arranged, and the working surface of the guide track 11 is vertically arranged.
Each bogie body comprises a carriage connecting frame 1, a bearing frame 2, bearing wheels 3, guide wheels 5, a transverse telescopic connecting rod mechanism 13, a spring damping assembly 14, a shock absorption assembly 12 and a motor mounting frame 17 arranged on the carriage connecting frame 1, wherein the carriage connecting frame 1 is horizontally rotatably arranged on the bottom side of a carriage, and the shock absorption assembly 12 is arranged between the carriage connecting frame 1 and the bearing frame 2 and is connected with the carriage connecting frame and the bearing frame 2.
The two bearing wheels 3 of each bogie main body are arranged, and the two bearing wheels 3 are respectively arranged at the left end and the right end of the bearing frame 2 and respectively roll on the two bearing rails 10.
The guide wheels 5 of each bogie main body are provided with two groups, each group is provided with two guide wheels 5, the two groups of guide wheels 5 are respectively arranged at the left end and the right end of the transverse telescopic link mechanism 13 and respectively roll on the two guide rails 11, the transverse telescopic link mechanism 13 can stretch left and right in a bidirectional manner, the stretching direction is perpendicular to the center line of a carriage, and the spring damping assembly 14 is combined with the transverse telescopic link mechanism 13 so that the transverse telescopic link mechanism 13 is always in a state of stretching left and right sides.
The transverse telescopic link mechanism 13 is of a scissor link structure, a central hinge point of the transverse telescopic link mechanism 13 is positioned on the rotation central axis of the carriage connecting frame 1, and the transverse telescopic link mechanism 13 is in sliding connection with the bearing frame 2 to form a sliding pair; the transverse telescopic link mechanism 13 can extend and retract in a left-right bidirectional manner, the extending and retracting direction is perpendicular to the central line of the carriage, and the spring damping assembly 14 is combined with the transverse telescopic link mechanism 13 to ensure that the transverse telescopic link mechanism 13 is always in a state of extending to the left side and the right side, so that the two groups of guide wheels 5 are respectively clung to the working surfaces of the two guide rails 11.
Each bearing wheel 3 is provided with a power unit, the power unit comprises a bearing wheel driving motor 4, the bearing wheel driving motor 4 is arranged on a motor mounting frame 17, and an output main shaft of the bearing wheel driving motor 4 is in transmission connection with a wheel shaft of the bearing wheel 3.
Each guide wheel 5 is provided with a drive unit comprising a guide wheel drive motor 7 mounted on a motor mounting frame 17, the output spindle of the guide wheel drive motor 7 being in driving connection with the wheel axle of the guide wheel 5.
When the train runs, the bearing wheel driving motor 4 drives the bearing wheels 3 to roll on the bearing rails 10, and the guide wheel driving motor 7 drives the guide wheels 5 to roll on the guide rails 11, so that a double driving effect is formed, and the train can rapidly advance.
The driving unit matched with the guide wheel 5 further comprises a gear transmission mechanism 6, the gear transmission mechanism 6 is arranged on the transverse telescopic connecting rod mechanism 13, and the guide wheel driving motor 7, the gear transmission mechanism 6 and the wheel shaft of the guide wheel 5 are sequentially in transmission connection.
The gear transmission mechanism 6 comprises a gear box 601, a driving bevel gear 602 and a driven bevel gear 603 which are positioned in the gear box 601, wherein the driving bevel gear 602 and the driven bevel gear 603 are meshed with each other, the driving bevel gear 602 and an output shaft of the guide wheel driving motor 7 form a transmission fit relationship, and the driven bevel gear 603 is coaxially sleeved on a wheel shaft of the guide wheel 5. So that the power of the guide wheel driving motor 7 can be smoothly transmitted to the guide wheel 5.
The power unit matched with each bearing wheel 3 further comprises a pair of bearing universal joints 8 and a bearing linkage shaft 9, and two ends of the bearing linkage shaft 9 are respectively connected with the wheel shaft of the bearing wheel 3 and the output shaft of the bearing wheel driving motor 4 through the bearing universal joints 8. The influence of vibration on the output shaft of the bearing wheel driving motor 4 can be overcome.
The driving unit matched with the guide wheel 5 further comprises a pair of guide part universal joints 15 and a guide part linkage shaft 16, and two ends of the guide part linkage shaft 16 are respectively connected with the wheel shaft of the driving bevel gear 602 and the output shaft of the guide wheel driving motor 7 through the guide part universal joints 15. By utilizing the flexibility characteristic of the guide part universal joint 15, the influence of vibration on the output shaft of the guide wheel driving motor 7 can be overcome, and the fact that the actual expansion amount of the transverse expansion link mechanism 13 is smaller, namely the axial offset of the guide wheel 5 is smaller and is within the bearing range of the guide part universal joint 15 is considered, so that the expansion and contraction of the transverse expansion link mechanism 13 cannot be severe and cannot influence the output shaft of the guide wheel driving motor 7.
The foregoing is a preferred embodiment of the present invention, and various changes and modifications may be made therein by those skilled in the art without departing from the general inventive concept, and such changes and modifications should be considered as falling within the scope of the present invention as defined in the appended claims.
Claims (1)
1. A distributed drive new wheel rail high speed train system, includes a plurality of bogie bodies, and with this bogie body roll complex a pair of track subassembly, its characterized in that: each track assembly comprises a bearing track (10) and a guide track (11), wherein the working surface of the bearing track (10) is horizontally arranged, and the working surface of the guide track (11) is vertically arranged; each bogie main body comprises a carriage connecting frame (1), a bearing frame (2), a bearing wheel (3), a guide wheel (5), a transverse telescopic connecting rod mechanism (13), a spring damping assembly (14), a shock absorption assembly (12) and a motor mounting frame (17) mounted on the carriage connecting frame (1), wherein the carriage connecting frame (1) is horizontally and rotatably mounted on the bottom side of a carriage, and the shock absorption assembly (12) is arranged between the carriage connecting frame (1) and the bearing frame (2) and is simultaneously connected with the carriage connecting frame and the bearing frame; the two bearing wheels (3) of each bogie main body are arranged, and the two bearing wheels (3) are respectively arranged at the left end and the right end of the bearing frame (2) and respectively roll on two bearing rails (10);
the steering wheels (5) of each bogie main body are provided with two groups of two steering wheels (5), the two groups of steering wheels (5) are respectively arranged at the left end and the right end of the transverse telescopic connecting rod mechanism (13) and roll on the two steering rails (11), the transverse telescopic connecting rod mechanism (13) can perform left-right bidirectional telescopic and the telescopic direction is perpendicular to the central line of the carriage, and the spring damping assembly (14) is combined with the transverse telescopic connecting rod mechanism (13) to enable the transverse telescopic connecting rod mechanism (13) to be in a state of stretching at the left side and the right side all the time;
each bearing wheel (3) is provided with a power unit, the power unit comprises a bearing wheel driving motor (4), the bearing wheel driving motor (4) is arranged on a motor mounting frame (17), and an output main shaft of the bearing wheel driving motor (4) is in transmission connection with a wheel shaft of the bearing wheel (3);
each guide wheel (5) is provided with a driving unit, the driving unit comprises a guide wheel driving motor (7) arranged on a motor mounting frame (17), and an output main shaft of the guide wheel driving motor (7) is in transmission connection with a wheel shaft of the guide wheel (5);
the driving unit matched with the guide wheel (5) further comprises a gear transmission mechanism (6), the gear transmission mechanism (6) is arranged on the transverse telescopic connecting rod mechanism (13), and the guide wheel driving motor (7), the gear transmission mechanism (6) and the wheel shaft of the guide wheel (5) are sequentially in transmission connection;
the gear transmission mechanism (6) comprises a gear box (601), and further comprises a driving bevel gear (602) and a driven bevel gear (603) which are arranged in the gear box (601), wherein the driving bevel gear (602) and the driven bevel gear (603) are meshed with each other, the driving bevel gear (602) and an output shaft of a guide wheel driving motor (7) form a transmission fit relation, and the driven bevel gear (603) is coaxially sleeved on a wheel shaft of a guide wheel (5);
the power unit matched with each bearing wheel (3) further comprises a pair of bearing part universal joints (8) and a bearing part linkage shaft (9), and two ends of the bearing part linkage shaft (9) are respectively connected with the wheel shafts of the bearing wheels (3) and the output shafts of the bearing wheel driving motors (4) through the bearing part universal joints (8);
the driving unit matched with the guide wheel (5) further comprises a pair of guide part universal joints (15) and a guide part linkage shaft (16), and two ends of the guide part linkage shaft (16) are respectively connected with a wheel shaft of a driving bevel gear (602) and an output shaft of a guide wheel driving motor (7) through the guide part universal joints (15);
the transverse telescopic link mechanism (13) is of a scissor-fork link structure, a central hinge point of the transverse telescopic link mechanism (13) is positioned on a rotation central axis of the carriage connecting frame (1), and the transverse telescopic link mechanism (13) is in sliding connection with the bearing frame (2) and forms a sliding pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811148190.6A CN109178022B (en) | 2018-09-29 | 2018-09-29 | High-speed train system with new wheel rail driven in distributed mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811148190.6A CN109178022B (en) | 2018-09-29 | 2018-09-29 | High-speed train system with new wheel rail driven in distributed mode |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109178022A CN109178022A (en) | 2019-01-11 |
| CN109178022B true CN109178022B (en) | 2024-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811148190.6A Active CN109178022B (en) | 2018-09-29 | 2018-09-29 | High-speed train system with new wheel rail driven in distributed mode |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572509B (en) * | 2019-09-30 | 2022-07-15 | 比亚迪股份有限公司 | Guide wheel device for railway vehicle, bogie and railway vehicle |
| CN112109755B (en) * | 2020-09-29 | 2021-10-26 | 中车株洲电力机车有限公司 | Suspension type monorail train bogie guider and bogie |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4192238A (en) * | 1978-01-03 | 1980-03-11 | The Budd Company | Railway car drive system |
| CN102717812A (en) * | 2012-07-10 | 2012-10-10 | 西南交通大学 | Derail and overturn preventing device for railway vehicle |
| CN107554545A (en) * | 2017-09-19 | 2018-01-09 | 华东交通大学 | The control device and method of outer rail length difference in coordinating when train passes through 3 in Curve Segment |
| CN107554549A (en) * | 2017-09-19 | 2018-01-09 | 华东交通大学 | Guidance system and its method of work on a kind of train bogie |
| CN209395806U (en) * | 2018-09-29 | 2019-09-17 | 同济大学 | A kind of distributed new High speed wheel rail train system of driving |
-
2018
- 2018-09-29 CN CN201811148190.6A patent/CN109178022B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4192238A (en) * | 1978-01-03 | 1980-03-11 | The Budd Company | Railway car drive system |
| CN102717812A (en) * | 2012-07-10 | 2012-10-10 | 西南交通大学 | Derail and overturn preventing device for railway vehicle |
| CN107554545A (en) * | 2017-09-19 | 2018-01-09 | 华东交通大学 | The control device and method of outer rail length difference in coordinating when train passes through 3 in Curve Segment |
| CN107554549A (en) * | 2017-09-19 | 2018-01-09 | 华东交通大学 | Guidance system and its method of work on a kind of train bogie |
| CN209395806U (en) * | 2018-09-29 | 2019-09-17 | 同济大学 | A kind of distributed new High speed wheel rail train system of driving |
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| CN109178022A (en) | 2019-01-11 |
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