CN112721986A - Bogie of automatic urban passenger transportation system vehicle - Google Patents
Bogie of automatic urban passenger transportation system vehicle Download PDFInfo
- Publication number
- CN112721986A CN112721986A CN202110086663.XA CN202110086663A CN112721986A CN 112721986 A CN112721986 A CN 112721986A CN 202110086663 A CN202110086663 A CN 202110086663A CN 112721986 A CN112721986 A CN 112721986A
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- Prior art keywords
- bogie
- axle
- axle bridge
- guide frame
- urban
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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
- 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
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/22—Guiding of the vehicle underframes with respect to the bogies
- B61F5/24—Means for damping or minimising the canting, skewing, pitching, or plunging movements of the underframes
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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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
Abstract
The invention relates to a bogie of a vehicle of an automatic urban passenger transportation system, comprising: a guide frame as a main body support of the bogie; the lower part of the axle bridge is connected to the upper part of the guide frame through a slewing bearing and is used for connecting an upper vehicle body; the pair of walking wheels are arranged on two sides of the axle bridge, walk on the track beam and are used for bearing the whole weight of the bogie; and guide wheels which are arranged on the front side and the rear side of the guide frame and used for guiding the bogie. Compared with the prior art, the invention uses the nonlinear hydro-pneumatic spring as the transverse vibration absorber to moderate transverse vibration, and the change of the dynamic performance can be realized by oil filling and air filling with variable rigidity and damping so as to adapt to different circuit conditions; two pairs of longitudinal pull rods are used for transmitting longitudinal force, so that the traction function is achieved, and the nodding resistance function is achieved.
Description
Technical Field
The invention relates to the technical field of urban automatic passenger transportation system vehicles, in particular to a bogie of an urban automatic passenger transportation system vehicle.
Background
The urban automatic passenger transportation system runs on a steel rail or a track beam, adopts multi-grouping and realizes an unmanned passenger transportation system, and the urban automatic passenger transportation system vehicle is a newly emerging vehicle system at present, has more advantages and rapid development and is used by a plurality of large airports in the world. The urban automatic passenger transportation system is also called as APM system, the central control unit can realize automatic control of vehicle operation, and the automatic driving can be completely realized without professional vehicle-mounted operation.
Urban automatic passenger transport system vehicles are usually borne by rubber tread tires, concrete beams are used as track beams, and guide rails are arranged in the middle of the track beams and used for guiding. The vehicles can be flexibly grouped to adapt to different passenger capacity requirements. The climbing capability of the APM vehicle is also excellent, 12% of steep slopes can be climbed on the local part, the adaptability is extremely high, the land area can be effectively reduced through a small-radius curve road section, the engineering difficulty is reduced, and the APM vehicle is suitable for being built in a city.
The safety, the smoothness and the curve trafficability of the urban rail vehicle are all important indexes for evaluating performance, for example, a Ponbdy Innovia APM 300 type vehicle is adopted in the Pujiang line of Shanghai, and a V pull rod is used for restraining transverse movement between an axle bridge and a vehicle body and providing longitudinal traction, but the transverse rigidity is very high, and the operation result of the vehicle shows that the transverse stability performance is not good enough. The existing APM vehicle has poor lateral stability, so how to adjust the lateral rigidity and lateral damping of a bogie, effectively alleviate lateral vibration, improve the lateral stability, and solve the problem urgently.
Disclosure of Invention
The invention aims to solve the problems, provides a bogie of an automatic urban passenger transport system vehicle, and provides a novel bogie structure on the basis of an Innovia APM 300 vehicle bogie aiming at the problem that the existing APM vehicle is not good enough in transverse stability.
The purpose of the invention is realized by the following technical scheme:
a bogie for an automated urban passenger transportation system vehicle, comprising:
a guide frame as a main body support of the bogie;
the lower part of the axle bridge is connected to the upper part of the guide frame through a slewing bearing and is used for connecting an upper vehicle body;
the pair of walking wheels are arranged on two sides of the axle bridge, walk on the track beam and are used for bearing the whole weight of the bogie; and
and the guide wheels are arranged on the front side and the rear side of the guide frame and used for guiding the bogie.
Furthermore, the walking wheels and the steering knuckles are arranged on two sides of the axle bridge through bearings, and the steering knuckles are connected with the axle bridge through pins and fixed together.
Furthermore, the front sides of the steering knuckles on the two sides are connected through a long transverse pull rod to jointly form a trapezoidal steering mechanism, so that the walking wheels on the two sides rotate at corresponding angles at the same time to complete a steering task.
Furthermore, a transverse guide is further installed between the guide frame and the steering knuckle, when the steering knuckle passes through a curve, the guide frame rotates to force the steering knuckle to rotate by a corresponding angle, so that the left walking wheel is driven to rotate vertically, and the transverse pull rod transmits the rotation of the walking wheel on one side to the walking wheel on the other side, so that the two sides are steered together.
Furthermore, two small-flexibility air springs are vertically arranged between the axle bridge and the upper vehicle body and are used for vertical bearing and vibration reduction; the two air springs can adjust the vertical rigidity and the vertical height through inflation, and the lower parts of the two air springs are fixed on the mounting seats at the two sides of the axle bridge through bolts; a pair of vertical shock absorbers is further installed between the axle bridge and the vehicle body, is installed on the front side of the axle bridge, and is used for buffering vertical vibration between the vehicle body and the axle bridge together with the air spring, so that a supplementary effect is achieved on vertical damping of the air spring.
Furthermore, the guide wheel is a rubber guide wheel and is arranged below four top points of the guide frame, when a curve is passed, a guide rail in the middle of the guide wheel is in contact with the guide wheel to generate a guide force, and the guide frame vertically rotates under the action of the guide force.
Furthermore, two symmetrical hydro-pneumatic springs are mounted on the back surface of the axle bridge to moderate transverse vibration, damping of the hydro-pneumatic springs is nonlinear, increases along with speed increase, can quickly moderate vibration, and has adjustability.
Further, the air chamber is located in a piston rod of the oil-gas spring, the air chamber of the piston rod is isolated from the oil chamber by a floating piston, the air chamber and the oil chamber are respectively provided with respective injection holes, and internal pressure is set according to different requirements, so that the adjustment of rigidity and damping is realized.
Furthermore, four traction rods are arranged on the bogie and used for transmitting longitudinal traction force, are distributed on the upper side and the lower side of the axle bridge and are parallel to the longitudinal central line, the transverse movement between the axle bridge and the vehicle body is not restrained, one side of each traction rod is hinged to the axle bridge, the other side of each traction rod is hinged to the vehicle body, the left and right arrangement can restrain oscillating movement, and the up and down arrangement can restrain nodding movement.
Furthermore, the axle bridge uses an integral axle bridge, necessary transmission components including a speed reducer and a differential mechanism are arranged in a shell of the axle bridge, a motor transmits power to the speed reducer and the differential mechanism through a coupling, then the motor is connected with a half shaft and a universal joint to drive a wheel hub to rotate so as to realize the advancing of the traveling wheel, the traveling wheel uses a special tire for a railway vehicle, and an explosion-proof steel ring is arranged in the traveling wheel so as to ensure that the traveling wheel can still run safely when the tire is burst and cannot be separated from a track beam.
Compared with the prior art, the invention has the following advantages:
1. the four longitudinal pull rods parallel to the longitudinal center line are arranged, so that the limitation of the pull rods on the transverse movement is removed, and the pull rods are only used for transmitting longitudinal traction and restraining nodding movement.
2. By arranging the pair of transverse hydro-pneumatic springs, the required transverse rigidity and transverse damping are effectively supplemented to relieve vibration, and meanwhile, the rigidity and the damping of the hydro-pneumatic springs are nonlinear, so that transverse vibration can be relieved, and transverse movement cannot be excessively inhibited.
3. The transverse hydro-pneumatic spring can conveniently adjust the rigidity and damping characteristic by adjusting air pressure and oil, and meanwhile, the transverse hydro-pneumatic spring is adjustable in length and convenient to install.
Drawings
FIG. 1 is an isometric view of a truck according to the present invention;
FIG. 2 is a front view of the truck of the present invention;
FIG. 3 is a side view of the truck of the present invention;
FIG. 4 is a rear view of the truck of the present invention;
FIG. 5 is a hydro-pneumatic spring rate characteristic for use with the present invention;
figure 6 is a hydro-pneumatic spring damping characteristic for use with the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
It should be noted that the terms of orientation such as front, back, above, below, and the like are used in the present invention for convenience of describing the position information and understanding, but the present invention is not limited to the position where each component is located in the described position, for example: the hydro-pneumatic spring can be arranged on the rear side or the front side of the axle bridge; the vertical vibration damper can be arranged in a symmetrical mode or an oblique symmetrical mode; the longitudinal traction pull rods can be arranged up and down symmetrically or asymmetrically; the positions of the transverse pull rod and the transverse guide rod can be reversed.
A bogie for automatic city passenger conveying system includes rubber tyre running system, special guide system and traction suspension system, and is shown in figures 1, 2, 3 and 4. The pair of walking wheels 1 walk on the track beam and are responsible for bearing the whole weight, the guide wheels 5 are installed on the guide frame 6, the lower part of the axle bridge 9 is connected with the guide frame 6 through a slewing bearing, and two small-flexibility air springs 10 are arranged between the axle bridge 9 and the vehicle body and are responsible for vertical bearing and vibration reduction; the hydro-pneumatic springs 11 are responsible for transverse vibration reduction; and a pair of vertical vibration dampers 12 for vertical vibration damping.
Referring to fig. 1, the traveling wheels 1 arranged on both sides of the axle 9 are fixed with the knuckle 2 through bearings, the knuckle 2 is fixed with the axle 9 through pin connection, the front sides of the knuckles 2 on both sides are connected with a long transverse pull rod 3 to jointly form a trapezoidal steering mechanism, so that the traveling wheels on the left and right sides can rotate by corresponding angles at the same time to complete the steering task.
Referring to fig. 1, the guide frame 6 disposed below the axle 9 is connected together through a rotary bearing, the guide frame and the rotary bearing have a degree of freedom about vertical rotation, four rubber guide wheels are installed below four vertices of the guide frame 6, when passing through a curve, a guide rail in the middle of the guide wheels contacts with the guide wheels to generate a guide force, and the guide frame vertically rotates under the action of the guide force.
Referring to fig. 1 and 3, a transverse guide rod 4 is further installed between the guide frame 6 and the knuckle 2, when the steering wheel passes through a curve, the guide frame rotates to force the knuckle 2 to rotate by a corresponding angle, so that the left walking wheel 1 is driven to rotate vertically, the front transverse pull rod 3 can transmit the rotation of the left walking wheel to the right walking wheel, the left walking wheel and the right walking wheel are steered together, and the steering is achieved.
Referring to fig. 3, two small air springs 10 are arranged above the axle bridge 9 and connected with the vehicle body for bearing vertical load and relieving vertical vibration, the two air springs 10 can adjust vertical rigidity and vertical height through inflation, and the lower portions of the two air springs are fixed on mounting seats on two sides of the axle bridge 9 through bolts.
Referring to fig. 1, two symmetrical hydro-pneumatic springs 11 are installed on the back of the axle bridge 9 to moderate the lateral vibration, the damping of the hydro-pneumatic springs is non-linear, increases with the speed, can moderate the vibration quickly, and has adjustability.
Referring to fig. 5 and 6, the left hydro-pneumatic spring and the right hydro-pneumatic spring are connected to the vehicle body at the middle and connected to the axle bridge at the two ends, the stiffness characteristic is as shown in fig. 5, the stiffness is low, when the compression length is large, the stiffness is rapidly increased, the damping characteristic is as shown in fig. 6, the damping is increased along with the increase of the speed, and the high-frequency vibration can be rapidly alleviated.
Referring to fig. 1, a single-cylinder type hydro-pneumatic spring is used for saving the space of a bogie, an air chamber is positioned in a piston rod of the hydro-pneumatic spring, a floating piston is used for isolating the air chamber of the piston rod from an oil chamber, the air chamber and the oil chamber are respectively provided with respective injection holes, internal pressure can be set according to different requirements, and therefore adjustment of rigidity and damping is achieved.
Referring to fig. 3, a pair of vertical vibration absorbers 12 is further installed between the axle 9 and the vehicle body, and is installed at the front side of the axle in consideration of space utilization, and is used together with the air springs 10 for mitigating vertical vibration between the vehicle body and the axle, so as to supplement the vertical damping of the air springs 10.
Referring to fig. 1, the bogie has four traction rods 7 and 8 for transmitting longitudinal traction force, which are distributed on the upper and lower sides of an axle bridge 9 and parallel to the longitudinal central line, and do not restrict the transverse movement between the axle bridge and the bogie body, one side of each of the four traction rods is hinged on the axle bridge 9, the other side is hinged on the bogie body, the four traction rods are arranged left and right to restrict the oscillating movement, and the four traction rods are arranged up and down to restrict the nodding movement.
Referring to fig. 1, 2, 3 and 4, the axle of the bogie uses an integral axle, necessary transmission components such as a speed reducer, a differential mechanism and the like can be arranged in a shell of the axle, a motor transmits power to the speed reducer and the differential mechanism through a coupling, then the motor is connected with a half shaft and a universal joint to drive a wheel hub to rotate so as to realize the advancing of a traveling wheel, the traveling wheel uses a special tire for a railway vehicle, and an explosion-proof steel ring is arranged in the traveling wheel so as to ensure that the traveling wheel can still safely operate when the tire is burst and cannot be separated from a track beam.
The invention can make full use of the space of each part of the axle bridge, provides a novel bogie structure of the urban automatic passenger transport system vehicle, is convenient to install and adjust, can adapt to different line conditions, and improves the lateral stability of the bogie structure.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. A bogie for an automated urban passenger transportation system vehicle, comprising:
a guide frame (6) as a main body support of the bogie;
the lower part of the axle bridge (9) is connected to the upper part of the guide frame (6) through a slewing bearing and is used for connecting an upper vehicle body;
the pair of walking wheels (1) are arranged on two sides of the axle bridge (9), walk on the track beam and are used for bearing the whole weight of the bogie; and
and the guide wheels (5) are arranged on the front side and the rear side of the guide frame (6) and are used for guiding the bogie.
2. Bogie for an urban automatic passenger transportation system vehicle according to claim 1, characterized in that the running wheels (1) are arranged on both sides of the axle (9) by means of bearings and knuckles (2), the knuckles (2) being fixed to the axle (9) by means of pin connections.
3. The bogie for automatic urban passenger transport systems according to claim 1, wherein the front sides of the knuckles (2) on both sides are connected by a long transverse tie rod (3) to form a trapezoidal steering mechanism, so that the running wheels (1) on both sides can be turned by corresponding angles at the same time.
4. The bogie of automatic urban passenger transport system according to claim 3, wherein a transverse guide rod (4) is further installed between the guide frame (6) and the knuckle (2), when passing a curve, the guide frame rotates to force the knuckle (2) to rotate by a corresponding angle, so that the left running wheel (1) is driven to rotate vertically, and the transverse pull rod (3) transmits the rotation of the running wheel on one side to the running wheel on the other side, so that the two sides are steered together.
5. The bogie of an urban automatic passenger transportation system vehicle according to claim 1, wherein two small compliance air springs (10) are vertically arranged between the axle bridge (9) and the upper vehicle body for vertical load bearing and vibration damping;
and a pair of vertical shock absorbers (12) is further arranged between the axle bridge (9) and the vehicle body, is arranged at the front side of the axle bridge, is used for buffering vertical vibration between the vehicle body and the axle bridge together with the air spring (10), and plays a role in supplementing the vertical damping of the air spring (10).
6. Bogie for an urban automatic passenger transportation system vehicle according to claim 1, characterized in that the guide wheels (5) are rubber guide wheels, arranged below the four vertices of the guide frame (6).
7. Bogie for urban automatic passenger transport system vehicle according to claim 1, characterized in that the axle bridge (9) is equipped with two symmetrical hydro-pneumatic springs (11) on its back to dampen the transverse vibrations.
8. The bogie as claimed in claim 7, wherein the gas chamber is located in a piston rod of the hydro-pneumatic spring, the gas chamber of the piston rod is isolated from the oil chamber by a floating piston, and the gas chamber and the oil chamber have respective filling holes.
9. The bogie of automatic urban passenger transport system vehicles according to claim 1, wherein said bogie is provided with four traction rods for transmitting longitudinal traction forces, distributed on the upper and lower sides of the axle bridge, all parallel to the longitudinal centerline, without constraining the lateral movement between the axle bridge and the vehicle body, one side of said four traction rods being hinged to the axle bridge and the other side being hinged to the vehicle body.
10. Bogie for automatic urban passenger transport system vehicles according to claim 1, characterized in that the axle (9) is a one-piece axle, the housing of which is internally equipped with the necessary transmission components including a reducer and a differential, the motor transmitting the power to the reducer and the differential through a coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110086663.XA CN112721986A (en) | 2021-01-22 | 2021-01-22 | Bogie of automatic urban passenger transportation system vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110086663.XA CN112721986A (en) | 2021-01-22 | 2021-01-22 | Bogie of automatic urban passenger transportation system vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN112721986A true CN112721986A (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110086663.XA Pending CN112721986A (en) | 2021-01-22 | 2021-01-22 | Bogie of automatic urban passenger transportation system vehicle |
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| CN (1) | CN112721986A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027509A (en) * | 2022-06-10 | 2022-09-09 | 中车株洲电力机车有限公司 | Rack vehicle running mechanism and rack vehicle |
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|---|---|---|---|---|
| CN101979266A (en) * | 2010-10-26 | 2011-02-23 | 长春轨道客车股份有限公司 | Power bogie with independent wheels for 100 percent low-floor light rail vehicles |
| CN103303332A (en) * | 2013-05-16 | 2013-09-18 | 长春轨道客车股份有限公司 | 70% low floor light rail unpowered bogie |
| CN103802853A (en) * | 2014-03-07 | 2014-05-21 | 唐山轨道客车有限责任公司 | 100% low floor tramcar non-power bogie and tramcar |
| CN204978684U (en) * | 2015-09-21 | 2016-01-20 | 长春轨道客车股份有限公司 | Single track train power truck of a formula is striden to diaxon |
| CN207931733U (en) * | 2018-01-25 | 2018-10-02 | 比亚迪股份有限公司 | A kind of bogie with there is its Rail Transit System |
| CN111055872A (en) * | 2020-01-02 | 2020-04-24 | 中车株洲电力机车有限公司 | Single-shaft rubber wheel bogie |
| CN112092854A (en) * | 2020-08-31 | 2020-12-18 | 同济大学 | Walking part of rubber-tyred rail system vehicle |
-
2021
- 2021-01-22 CN CN202110086663.XA patent/CN112721986A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979266A (en) * | 2010-10-26 | 2011-02-23 | 长春轨道客车股份有限公司 | Power bogie with independent wheels for 100 percent low-floor light rail vehicles |
| CN103303332A (en) * | 2013-05-16 | 2013-09-18 | 长春轨道客车股份有限公司 | 70% low floor light rail unpowered bogie |
| CN103802853A (en) * | 2014-03-07 | 2014-05-21 | 唐山轨道客车有限责任公司 | 100% low floor tramcar non-power bogie and tramcar |
| CN204978684U (en) * | 2015-09-21 | 2016-01-20 | 长春轨道客车股份有限公司 | Single track train power truck of a formula is striden to diaxon |
| CN207931733U (en) * | 2018-01-25 | 2018-10-02 | 比亚迪股份有限公司 | A kind of bogie with there is its Rail Transit System |
| CN111055872A (en) * | 2020-01-02 | 2020-04-24 | 中车株洲电力机车有限公司 | Single-shaft rubber wheel bogie |
| CN112092854A (en) * | 2020-08-31 | 2020-12-18 | 同济大学 | Walking part of rubber-tyred rail system vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027509A (en) * | 2022-06-10 | 2022-09-09 | 中车株洲电力机车有限公司 | Rack vehicle running mechanism and rack vehicle |
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Application publication date: 20210430 |
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