CN102490747B - Light rail vehicle and power bogie thereof - Google Patents
Light rail vehicle and power bogie thereof Download PDFInfo
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- CN102490747B CN102490747B CN201210002220.9A CN201210002220A CN102490747B CN 102490747 B CN102490747 B CN 102490747B CN 201210002220 A CN201210002220 A CN 201210002220A CN 102490747 B CN102490747 B CN 102490747B
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- light rail
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- sleeper beam
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Abstract
The invention discloses a light rail vehicle and a power bogie thereof. The power bogie comprises a framework for supporting carriages of the light rail vehicle, two air springs arranged between the framework and the carriages, a sleeper beam for connecting the two air springs positioned on the two sides of the central axis of the light rail vehicle, and a traction device which is fixedly connected with the sleeper beam and the carriages, wherein a rotary support is arranged between the traction device and the framework; and an inner ring of the rotary support is fixedly connected with the framework, and an outer ring of the rotary support is fixedly connected with the sleeper beam. When the light rail vehicle travels on a road turn, the inner ring and the outer ring of the rotary support rotate relative to each other; the rotary support has the characteristics of high bearing capacity and is flexibly rotated, so that the flexibility of the power bogie in the turning process can be improved, and the transversal offset between the carriages and the framework can be increased; therefore, the turning radius of the light rail vehicle is reduced, and the curve passing performance is enhanced; simultaneously, the bearing capacity of the power bogie can be improved by the rotary support, so that the light rail vehicle has high safety and reliability.
Description
Technical field
The present invention relates to Vehicle Engineering structure-design technique field, particularly relate to a kind of power truck for light rail vehicle.In addition, the invention still further relates to a kind of light rail vehicle comprising above-mentioned power truck.
Background technology
Along with the fast development of China's economic construction, urban population constantly increases, and traffic problems become the important livelihood issues that solution is needed in a lot of city badly.
Light rail vehicle plays a part very important in a lot of city traffic, 70% low-floor light rail vehicle in current domestic existing highest running speed to be the light rail car of 80km/h be Changchun, its articulated structure is bodywork-type articulated structure, be provided with short car body between two long vehicle bodies, bogie truck is conventional steering shelf structure.
External French TGV called train, Japanese TR914/DT957 bogie truck, Japanese TR915/DT958 bogie truck and German ET425 motor train unit are main representative of power truck.TGV articulated train middle articulated structure be upper and lower ball center plate structure, the longitudinal force between two car bodies is transmitted by this ball center plate.TR914/DT957 bogie truck is without bolster formula 2 carrying, uses single traction perch to be connected with bogie truck by the center pin in the middle of car body sleeper beam and realizes drawing.TR915/DT958 bogie truck is without bolster formula 4 carrying, uses single traction perch to be connected with bogie truck by the center pin at car body sleeper beam center and realizes drawing.Germany ET425 motor train unit adopt the air spring suspension system middle bogie of four-point supporting.The axle of these articulated vehicle bogie trucks is heavy has generally exceeded 14 tons, allows the minimum curve passed through at more than R110m.
Along with the continuous progress of light rail vehicle, more and more higher to the requirement of light rail vehicle in market, particularly for the carrying capacity of light rail vehicle, for one of the criterion by requiring the performance quality becoming Novel Light-Rail vehicle of some small curve radius.
Therefore, how on the basis of safe reliability of guaranteeing light rail vehicle, improve light rail vehicle by performance, be the current technical issues that need to address of those skilled in the art.
Summary of the invention
The object of this invention is to provide a kind of power truck for light rail vehicle, this bogie truck is being guaranteed, on the basis that light rail vehicle is safe and reliable, can effectively reduce the turn radius of vehicle, and that improves vehicle passes through performance.Another object of the present invention is to provide a kind of light rail vehicle comprising above-mentioned power truck.
For achieving the above object, the invention provides a kind of power truck for light rail vehicle, comprise the framework in the compartment supporting described light rail vehicle, be located at the air bellow between described framework and described compartment, connect be positioned at the both sides, axis of described light rail vehicle two described in the sleeper beam of air bellow, and the draw gear to be all fixedly connected with described compartment with described sleeper beam, pivoting support is provided with between described draw gear and described framework, the inner ring of this pivoting support is fixedly connected with described framework, and outer ring is fixedly connected with described sleeper beam.
Preferably, described inner ring and described framework are bolted to connection, and described outer ring and described sleeper beam are bolted to connection.
Preferably, also comprise the flange be located between described inner ring and described framework, inner ring, described flange and described framework described in described screw bolt passes.
Preferably, described framework comprises two curb girders be arranged in parallel, and curb girder described in two is equipped with cambered way, is provided with carriage on the downside of described air bellow, this carriage slides along described cambered way.
Preferably, the middle part of described curb girder is provided with recessed section, and described cambered way is located in described recessed section.
Preferably, described framework also comprises the crossbeam of curb girder described in connection two, and this crossbeam adopts two box-structure.
Preferably, also comprise plate disc brake and magnetic rail brake device, described plate disc brake is installed on the axletree of described light rail vehicle, and described magnetic rail brake device is fixed on the inner side of described curb girder.
Preferably, described magnetic rail brake device and described curb girder are bolted.
The present invention also provides a kind of light rail vehicle, and comprise the power truck at least two joint compartments and the described compartment of support, described power truck is the power truck as described in above-mentioned any one.
Power truck provided by the present invention, comprise the framework in the compartment supporting described light rail vehicle, be located at the air bellow between described framework and described compartment, connect be positioned at the both sides, axis of described light rail vehicle two described in the sleeper beam of air bellow, and the draw gear to be all fixedly connected with described compartment with described sleeper beam, unlike the prior art, pivoting support is provided with between described draw gear and described framework, the inner ring of this pivoting support is fixedly connected with described framework, and outer ring is fixedly connected with described sleeper beam.Like this, the inner ring of compartment, draw gear, sleeper beam and pivoting support is fixed together, when light rail vehicle is by sharp radius curve, air bellow produces lateral excursion, relative to framework generation lateral excursion under the drive in compartment, now relatively rotate between the inner ring of pivoting support and outer ring, it is strong that pivoting support has load-carrying capacity, rotate feature flexibly, alerting ability when power truck is turned can be improved, increase the transversal displacement between compartment and framework, the radius of curve that light rail vehicle is passed through is less, and curving performance strengthens.Meanwhile, pivoting support can also improve the load-carrying capacity of power truck, makes the safe reliability of light rail vehicle higher.
In a preferred embodiment, power truck provided by the present invention also comprises the flange be located between described inner ring and described framework, inner ring, described flange and described framework described in described screw bolt passes.Flange can connect inner ring and framework, and the distance between outer ring and framework is increased, and increases installing space, more convenient when making outer ring and sleeper beam connection.Meanwhile, the bolt of connection outer ring and sleeper beam and framework can also be avoided to produce and to interfere, reduce installation difficulty.In addition, there is irregular possibility in framework, causes framework and inner ring connection reliability to reduce in process of production, arranges flange, can make up the irregular defect of framework in the middle of framework and inner ring, improves the planeness connected, thus improve the reliability of connection.
In another preferred embodiment, described framework comprises two curb girders be arranged in parallel, and curb girder described in two is equipped with cambered way, is provided with carriage on the downside of described air bellow, this carriage slides along described cambered way.When light rail vehicle is by bend, carriage slides in cambered way, drives air bellow to move, and makes air bellow produce lateral excursion.Form cliding friction between carriage and cambered way, its friction force is little, and moving resistance is reduced, thus significantly improves the alerting ability of non-powered bogie truck when bend, and that improves light rail vehicle passes through performance.
On the basis providing above-mentioned power truck, the present invention also provides a kind of light rail vehicle comprising above-mentioned power truck; Because power truck has above-mentioned technique effect, the light rail vehicle with this power truck also has corresponding technique effect.
Accompanying drawing explanation
Fig. 1 is the structural representation that light rail vehicle two adjacent compartment provided by the present invention is connected with power truck;
Fig. 2 is the structural representation of a kind of detailed description of the invention of power truck provided by the present invention;
The local structure schematic diagram that Fig. 3 is power truck shown in Fig. 2;
Fig. 4 is the local structure schematic diagram of a kind of detailed description of the invention of framework of power truck provided by the present invention;
Fig. 5 is the structural representation of air bearing provided by the present invention and a kind of detailed description of the invention of carriage;
Fig. 6 is the structural representation of a kind of detailed description of the invention of curb girder provided by the present invention;
Fig. 7 is the structural representation of a kind of detailed description of the invention of drg in power truck provided by the present invention;
Fig. 8 is the birds-eye view of power truck shown in Fig. 7.
Detailed description of the invention
Core of the present invention is to provide a kind of power truck for light rail vehicle, and this bogie truck is being guaranteed, on the basis that light rail vehicle is safe and reliable, can effectively reduce the turn radius of vehicle, and that improves vehicle passes through performance.Another core of the present invention is to provide a kind of light rail vehicle comprising above-mentioned power truck.
Upper and lower herein waits the noun of locality, is that state when advancing with light rail vehicle defines for benchmark, is to be understood that the adopted noun of locality should not limit the protection domain of this patent herein; Connection as herein described, comprises direct connection, also comprises and being fixedly connected with; Axis as herein described, means the axis parallel with the direction that light rail vehicle advances.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Power truck provided by the present invention, comprising: framework, take turns to, single stage suspension device, secondary suspension device, draw gear, actuating device, brake equipment and anti-rolling device etc.
It should be noted that, as herein described one be, two the noun such as be, mean and to specify by GB3367: the suspension between the framework of bogie truck and axle box is primary spring; Suspension between the framework of bogie truck and car body is secondary suspension system.Some nouns are also name by the conventional practice of those skilled in the art.Below composition structure each in power truck is illustrated, should be understood that, each structure provided by the present invention, can mutually be combined into power truck as provided by the present invention, also wherein some or two structures that can realize identical function with other can replace, form various different power truck.The casehistory of the present invention to each structure should in no way limit the protection domain of this power truck.
Please refer to Fig. 1, Fig. 1 is the structural representation that the compartment of light rail vehicle provided by the present invention is connected with power truck.
Light rail vehicle comprises more piece compartment, saving compartments with adjacent two is a unit, by a non-powered bogie truck 10 and two power truck 20 common support in this element, wherein, two power trucks 20 are located at the two ends of this element, non-powered bogie truck 10 is located at the middle part of this element, and the front portion in a joint compartment is connected with the front and rear of non-powered bogie truck 10 respectively with the rear portion in another joint compartment.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the structural representation of a kind of detailed description of the invention of power truck provided by the present invention; The local structure schematic diagram that Fig. 3 is power truck shown in Fig. 2.
Power truck provided by the present invention, comprise the framework 21 in the compartment supporting described light rail vehicle, be located at the air bellow 22 between described framework 21 and described compartment, connect be positioned at the both sides, axis of described light rail vehicle two described in the sleeper beam 24 of air bellow 22, and the draw gear 25 to be all fixedly connected with described sleeper beam 24 and described compartment, unlike the prior art, pivoting support 26 is provided with between described draw gear 25 and described framework 21, the inner ring 261 of this pivoting support 26 is fixedly connected with described framework 21, outer ring 262 is fixedly connected with described sleeper beam 24.
The two ends of sleeper beam 24 connect two air bellows 22 being positioned at both sides, light rail vehicle axis respectively, and middle part is connected with framework 21; Air bellow 22 is fixedly connected with sleeper beam 24.Like this, the air bellow 22 at sleeper beam 24 two ends is rotatable around the middle part of sleeper beam 24, when light rail vehicle is through bend, there is lateral excursion in the air bellow 22 of side, and the air bellow 22 of sleeper beam 24 other end be attached thereto will be driven to offset, the compartment being positioned at both sides, axis is made to produce interlock, reduce resistance when light rail vehicle is turned, turn more flexible, vehicle producible cross travel when turning increases, by turn radius less, vehicle by performance higher.
Like this, compartment, draw gear 25, the inner ring 261 of sleeper beam 24 and pivoting support 26 is fixed together, when light rail vehicle is by sharp radius curve, air bellow 22 produces lateral excursion, lateral excursion is there is in the drive in compartment relative to framework 21, now there is relative movement between the inner ring 261 of pivoting support 26 and outer ring 262, it is strong that pivoting support 26 has load-carrying capacity, rotate feature flexibly, alerting ability when power truck 20 is turned can be improved, increase the transversal displacement between compartment and framework 21, the radius of curve that light rail vehicle is passed through is less, curving performance strengthens.Meanwhile, pivoting support 26 can also improve the load-carrying capacity of power truck, makes the safe reliability of light rail vehicle higher.
In a kind of concrete embodiment, inner ring 261 and framework 21 can be bolted, and outer ring 262 and sleeper beam 24 also can be bolted.Bolt is one of conventional industrial attaching parts, and its connection is convenient and swift, and firm and durable, installation difficulty and cost can be reduced.
Particularly, power truck provided by the present invention can also comprise the flange 29 be located between described inner ring 261 and described framework 21, inner ring 261, described flange 29 and described framework 21 described in described screw bolt passes.Flange 29 can connect inner ring 261 and framework 21, and the distance between outer ring 262 and framework 21 is increased, and increases installing space, more convenient when making outer ring 262 and sleeper beam 24 connection.Meanwhile, the bolt that flange 29 can also avoid connecting outer ring 262 and sleeper beam 24 produces with framework 21 interferes, reduction installation difficulty.
In addition, there is irregular possibility in framework 21 in process of production, causes framework 21 and inner ring 261 connection reliability to reduce, in the middle of framework 21 with inner ring 261, flange 29 is set, the irregular defect of framework 21 can be made up, improve the planeness connected, thus improve the reliability connected.
Please refer to Fig. 4, Fig. 4 is the local structure schematic diagram of a kind of detailed description of the invention of framework of power truck provided by the present invention.
In further embodiment, described framework 21 comprises two curb girders 211 be arranged in parallel, curb girder 211 described in two is equipped with cambered way 2111, is provided with carriage 23 on the downside of described air bellow 22, this carriage 23 slides along described cambered way 2111.When light rail vehicle is by bend, carriage 23 slides in cambered way 2111, drives air bellow 22 to move, makes air bellow 22 produce lateral excursion.Form cliding friction between carriage 23 and cambered way 2111, its friction force is little, and moving resistance is reduced, thus significantly improves the alerting ability of non-powered bogie truck when bend, and that improves light rail vehicle passes through performance.
Please refer to Fig. 5, Fig. 5 is the structural representation of air bearing provided by the present invention and a kind of detailed description of the invention of carriage.
In a kind of concrete embodiment, carriage 23 can comprise rigid backbone 231 and bearing-type pulley 232 (number of bearing-type pulley 232 can be one, two or more, bearing-type pulley 232 under air bellow 22 shown in Fig. 5 has 4), the bottom of air bellow 22 is fixedly connected with the top of rigid backbone 231; Bearing-type pulley 232 arcuately slideway 2111 slides, and its center shaft 233 is fixedly connected with rigid backbone 231.When light rail vehicle is by bend, bearing-type pulley 232 slides in cambered way 2111, drives rigid backbone 231 to move, and then drives the air bellow 22 be fixedly connected with rigid backbone 231 to move, and makes air bellow 22 produce lateral excursion.Form cliding friction between bearing-type pulley 232 and cambered way 2111, its friction force is little, and moving resistance is reduced, thus significantly improves the alerting ability of power truck 20 when bend, and that improves light rail vehicle passes through performance.
Please refer to Fig. 6, Fig. 6 is the structural representation of a kind of detailed description of the invention of curb girder provided by the present invention.
Particularly, can arrange recessed section 2112 at the middle part of curb girder 211, cambered way 2111 is located in recessed section 2112.Air bellow 22 is corresponding with the position of cambered way 2111, therefore, air bellow 22 is installed in recessed section 2112, reduce the height sum of air bellow 22 and framework 21 at vertical direction, make power truck 20 entirety compacter, its volume can design less, thus reduce the chassis of light rail vehicle, when bend travels, its safety is better, and light rail vehicle is travelled more steady, reliability is higher.
In concrete technical scheme, the alerting ability of Ackermann steer angle can also be improved by the deadweight reducing bogie truck itself.Such as, framework 21 also comprises the crossbeam 212 (can with reference to figure 4) of connection two curb girder 211, and this crossbeam 212 can adopt two box-structure.Two box beam structure on the basis not reducing crossbeam 212 intensity, can make the weight saving of crossbeam 212, effectively reduces the load of Ackermann steer angle, light rail vehicle is turned more convenient.
Can also improve further above-mentioned power truck 20.
Please refer to Fig. 7 and Fig. 8, Fig. 7 is the structural representation of a kind of detailed description of the invention of drg in power truck provided by the present invention; Fig. 8 is the birds-eye view of power truck shown in Fig. 7.
In further technical scheme, power truck 20 provided by the present invention can also comprise plate disc brake 27 and magnetic rail brake device 28, plate disc brake 27 is installed on the axletree 30 of light rail vehicle, and magnetic rail brake device 28 is fixed on the inner side (inner side defines based on curb girder) of curb girder 211 herein.Plate disc brake 27 and the double brake mode of magnetic rail brake device 28, can improve the deceleration and stopping performance of power truck 20 to greatest extent, improve the safety of light rail vehicle.Meanwhile, plate disc brake 27 is installed on axletree 30, and plate disc brake 27 can be made to install more firm, reliability is higher; Magnetic rail brake device 28 is fixed on the inner side of curb girder 211, and effectively can save the space that drg needs to take, make the more compact structure of power truck 20, volume is less.
Particularly, magnetic rail brake device 28 and curb girder 211 can be bolted.Bolt is one of conventional industrial attaching parts, easily purchases, sound construction, can guarantee on stable connection failure-free basis, the link cost of both reductions.
Except above-mentioned power truck 20, the present invention also provides a kind of light rail vehicle comprising above-mentioned power truck 20, and power truck 20 has several, and the working direction along light rail vehicle supports adjacent two compartments successively.The structure of other each several parts of light rail vehicle please refer to prior art, repeats no more herein.
Above light rail vehicle provided by the present invention and power truck thereof are described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (7)
1. the power truck for light rail vehicle, comprise the framework in the compartment supporting described light rail vehicle, be located at the air bellow between described framework and described compartment, connect be positioned at the both sides, axis of described light rail vehicle two described in the sleeper beam of air bellow, and the draw gear to be all fixedly connected with described compartment with described sleeper beam, described sleeper beam is located at below described air bellow, above described framework; It is characterized in that, be provided with pivoting support between described draw gear and described framework, the inner ring of this pivoting support is fixedly connected with described framework, and outer ring is fixedly connected with described sleeper beam;
Described inner ring and described framework are bolted to connection, and described outer ring and described sleeper beam are bolted to connection;
Also comprise the flange be located between described inner ring and described framework, inner ring, described flange and described framework described in described screw bolt passes;
Be connected with framework in the middle part of sleeper beam.
2. the power truck for light rail vehicle according to claim 1, it is characterized in that, described framework comprises two curb girders be arranged in parallel, and curb girder described in two is equipped with cambered way, be provided with carriage on the downside of described air bellow, this carriage slides along described cambered way.
3. the power truck for light rail vehicle according to claim 2, is characterized in that, the middle part of described curb girder is provided with recessed section, and described cambered way is located in described recessed section.
4. the power truck for light rail vehicle according to claim 3, is characterized in that, described framework also comprises the crossbeam of curb girder described in connection two, and this crossbeam adopts two box-structure.
5. the power truck for light rail vehicle according to claim 2, it is characterized in that, also comprise plate disc brake and magnetic rail brake device, described plate disc brake is installed on the axletree of described light rail vehicle, and described magnetic rail brake device is fixed on the inner side of described curb girder.
6. the power truck for light rail vehicle according to claim 5, is characterized in that, described magnetic rail brake device and described curb girder are bolted.
7. a light rail vehicle, comprise the power truck at least two joint compartments and the described compartment of support, it is characterized in that, described power truck is the power truck as described in any one of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210002220.9A CN102490747B (en) | 2012-01-05 | 2012-01-05 | Light rail vehicle and power bogie thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210002220.9A CN102490747B (en) | 2012-01-05 | 2012-01-05 | Light rail vehicle and power bogie thereof |
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| CN102490747A CN102490747A (en) | 2012-06-13 |
| CN102490747B true CN102490747B (en) | 2015-05-20 |
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| CN201210002220.9A Active CN102490747B (en) | 2012-01-05 | 2012-01-05 | Light rail vehicle and power bogie thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103899657B (en) * | 2014-04-23 | 2016-08-24 | 曾琪岚 | Damping gas thrust bearing |
| CN103963798A (en) * | 2014-05-20 | 2014-08-06 | 南车株洲电力机车有限公司 | Bogie |
| CN105501011B (en) * | 2015-12-22 | 2017-10-10 | 常州市瑞泰工程机械有限公司 | Road rail vehicle railway running gear |
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| CN201882093U (en) * | 2010-10-27 | 2011-06-29 | 上海轨道交通设备发展有限公司 | Bogie used on high-speed subway train |
| CN202389395U (en) * | 2012-01-05 | 2012-08-22 | 南车株洲电力机车有限公司 | Light rail vehicle and power truck thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3990372A (en) * | 1975-02-18 | 1976-11-09 | The Budd Company | Railway vehicle articulated truck |
| UA81214C2 (en) * | 2005-01-05 | 2007-12-10 | Adolf Oleksandro Radzikhovskyi | Rail vehicle bogie |
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| CN102490747A (en) | 2012-06-13 |
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