CN202389395U - Light rail vehicle and power truck thereof - Google Patents
Light rail vehicle and power truck thereof Download PDFInfo
- Publication number
- CN202389395U CN202389395U CN2012200033285U CN201220003328U CN202389395U CN 202389395 U CN202389395 U CN 202389395U CN 2012200033285 U CN2012200033285 U CN 2012200033285U CN 201220003328 U CN201220003328 U CN 201220003328U CN 202389395 U CN202389395 U CN 202389395U
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- rail vehicle
- light rail
- framework
- power truck
- sleeper beam
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Abstract
The utility model discloses a light rail vehicle and a power truck thereof. The disclosed power truck comprises a framework, air springs, a sleeper beam and a traction device, wherein the framework is used for supporting a carriage of the light rail vehicle, the air springs are arranged between the framework and the carriage, a sleeper beam is used for connecting two air springs located on two sides of a central axis of the light rail vehicle, the traction device is fixedly connected with the sleeper beam and the carriage, a slewing bearing is arranged between the traction device and the framework, an inner ring of the slewing bearing is fixedly connected with the framework, and an outer ring of the slewing bearing is fixedly connected with the sleeper beam. When the light rail vehicle is driven on a bend road, a relative rotation occurs between the inner ring and the outer ring of the slewing bearing, and the slewing bearing has the advantages of being high in bearing capacity and flexible in rotation, a flexibility of the power truck in swerving can be improved, a horizontal offset between the carriage and the framework can be increased, a bending radius of the light rail vehicle is reduced, and a curve negotiating performance is enhanced. Simultaneously, the bearing capacity of the power truck can be improved by the slewing bearing, and the safety and reliability of the light rail vehicle are high.
Description
Technical field
The utility model relates to Vehicle Engineering structure-design technique field, particularly relates to a kind of power truck that is used for light rail vehicle.In addition, the utility model also relates to a kind of light rail vehicle that comprises 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 people's livelihood problem that solution is needed in a lot of cities badly.
Light rail vehicle plays a part very important in a lot of city traffics; The domestic existing highest running speed is that the light rail car of 80km/h is 70% low-floor light rail vehicle in Changchun at present; Its articulated structure is a car body formula articulated structure; Be provided with short car body between the two long vehicle bodies, bogie truck is the 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 representatives of power truck.TGV radial type train middle articulated structure be upper and lower ball center plate structure, the longitudinal force between two car bodies is transmitted through this ball center plate.The TR914/DT957 bogie truck is 2 carryings of no bolster formula, uses single draw bar that the center pin in the middle of the car body sleeper beam is connected with bogie truck and realizes traction.The TR915/DT958 bogie truck is 4 carryings of no bolster formula, uses single draw bar that the center pin at car body sleeper beam center is connected the realization traction with bogie truck.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 generally to have surpassed 14 tons, and the minimum curve that allows to pass through is more than R110m.
Along with the continuous progress of light rail vehicle, in the market to light rail vehicle require increasingly high, particularly for the carrying capacity of light rail vehicle, to one of the criterion of performance quality of passing through to require to become novel light rail vehicle of some small curve radius.
Therefore, how on the basis of the safe reliability of guaranteeing light rail vehicle, improving the through performance of light rail vehicle, is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of the utility model provides a kind of power truck that is used for light rail vehicle, and this bogie truck is guaranteeing to effectively reduce the turn radius of vehicle on the safe and reliable basis of light rail vehicle, improves the through performance of vehicle.Another purpose of the utility model provides a kind of light rail vehicle that comprises above-mentioned power truck.
For realizing above-mentioned utility model purpose; The utility model provides a kind of power truck that is used for light rail vehicle; The framework that comprises the compartment that supports said light rail vehicle is located at the air bellow between said framework and the said compartment, connects the sleeper beam of two said air bellows of the both sides, axis that are positioned at said light rail vehicle; And with the equal draw gear of captiveing joint in said sleeper beam and said compartment; Be provided with pivoting support between said draw gear and the said framework, the inner ring of this pivoting support is captiveed joint with said framework, captives joint with said sleeper beam in the outer ring.
Preferably, said inner ring is connected through bolt with said framework, and said outer ring is connected through bolt with said sleeper beam.
Preferably, also comprise the flange of being located between said inner ring and the said framework, the said inner ring of said screw bolt passes, said flange and said framework.
Preferably, said framework comprises two curb girders that laterally arrange, and is equipped with cambered way on the two said curb girders, and said air bellow downside is equipped with carriage, and this carriage slides along said cambered way.
Preferably, the middle part of said curb girder is provided with recessed section, and said cambered way is located in said recessed section.
Preferably, said framework also comprises the crossbeam that connects two said curb girders, and this crossbeam adopts two box-structures.
Preferably, also comprise plate disc brake and magnetic rail brake device, said plate disc brake is installed on the axletree of said light rail vehicle, and said magnetic rail brake device is fixed on the inboard of said curb girder.
Preferably, said magnetic rail brake device and said curb girder pass through bolted connection.
The utility model also provides a kind of light rail vehicle, comprises at least two joint compartments and the power truck that supports said compartment, and said power truck is as above-mentioned each described power truck.
The power truck that the utility model provided; The framework that comprises the compartment that supports said light rail vehicle; Be located at the air bellow between said framework and the said compartment, connect the sleeper beam of two said air bellows of the both sides, axis be positioned at said light rail vehicle, and with the equal draw gear of captiveing joint in said sleeper beam and said compartment; Different with prior art is; Be provided with pivoting support between said draw gear and the said framework, the inner ring of this pivoting support is captiveed joint with said framework, captives joint with said sleeper beam in the outer ring.Like this, the inner ring of compartment, draw gear, sleeper beam and pivoting support is fixed together, when light rail vehicle passes through sharp radius curve; Air bellow produces lateral excursion, under the drive in compartment, with respect to framework generation lateral excursion, relatively rotates between the inner ring of pivoting support and the outer ring at this moment; It is strong that pivoting support has a load-carrying capacity; Rotate flexible characteristic, the alerting ability in the time of can improving the power truck turning increases the transversal displacement between compartment and framework; The radius of curve that light rail vehicle is passed through is littler, and curving performance strengthens.Simultaneously, pivoting support can also improve the load-carrying capacity of power truck, makes the safe reliability of light rail vehicle higher.
A kind of preferred embodiment in, the power truck that the utility model provided also comprises the flange of being located between said inner ring and the said framework, the said inner ring of said screw bolt passes, said flange and said framework.Flange can connect inner ring and framework, and the distance between outer ring and the framework is increased, and increases installing space, and is more convenient when making outer ring and sleeper beam connection.Simultaneously, bolt and the framework that can also avoid connecting outer ring and sleeper beam produce interference, reduce installation difficulty.In addition, there is irregular possibility in process of production in framework, causes framework and inner ring connection reliability to reduce, and in the middle of framework and inner ring, flange is set, and can remedy the irregular defective of framework, improves the bonded assembly planeness, thereby improves the bonded assembly reliability.
In another preferred embodiment, said framework comprises two curb girders that laterally arrange, and is equipped with cambered way on the two said curb girders, and said air bellow downside is equipped with carriage, and this carriage slides along said cambered way.When light rail vehicle passed through bend, carriage slided in cambered way, drove air bellow and moved, and made air bellow produce lateral excursion.Form cliding friction between carriage and the cambered way, its friction force is little, and moving resistance is reduced, thereby significantly improves the alerting ability of non-power truck when bend, improves the through performance of light rail vehicle.
Providing on the basis of above-mentioned power truck, the utility model also provides a kind of light rail vehicle that comprises above-mentioned power truck; Because power truck has above-mentioned technique effect, the light rail vehicle with this power truck also has the corresponding techniques effect.
Description of drawings
Fig. 1 is provided light rail vehicle two adjacent compartments and power truck bonded assembly structural representation by the utility model;
Fig. 2 provides the structural representation of a kind of specific embodiment of power truck for the utility model;
Fig. 3 is the local structure scheme drawing of power truck shown in Figure 2;
Fig. 4 is the local structure scheme drawing of a kind of specific embodiment of framework of power truck that the utility model provides;
Fig. 5 is the structural representation of air bearing that the utility model provides and a kind of specific embodiment of carriage;
Fig. 6 provides the structural representation of a kind of specific embodiment of curb girder for the utility model;
Fig. 7 provides the structural representation of a kind of specific embodiment of drg in the power truck for the utility model;
Fig. 8 is the birds-eye view of power truck shown in Figure 7.
The specific embodiment
The core of the utility model provides a kind of power truck that is used for light rail vehicle, and this bogie truck is guaranteeing to effectively reduce the turn radius of vehicle on the safe and reliable basis of light rail vehicle, improves the through performance of vehicle.Another core of the utility model provides a kind of light rail vehicle that comprises above-mentioned power truck.
The upper and lower noun of locality that waits that this paper is related is that the state when advancing with light rail vehicle is that benchmark defines, and the noun of locality that is to be understood that among this paper to be adopted should not limit the protection domain of this patent; Connection as herein described comprises direct connection, also comprises captive joint; Axis as herein described means the parallel axis of direction of advancing with light rail vehicle.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is done further to specify below in conjunction with the accompanying drawing and the specific embodiment.
The power truck that the utility model provided comprises: framework, wheel are to, single stage suspension device, secondary suspension device, draw gear, actuating device, brake equipment and anti-rolling device etc.
Need to prove, as herein described one be, two noun such as be that mean by GB3367 and stipulate: the framework of bogie truck and the suspension between the axle box are the single stage suspension system; The framework of bogie truck and the suspension between the car body are the secondary suspension system.Some nouns also are the routine custom names by those skilled in the art.Below be illustrated respectively forming structure in the power truck; Should be understood that; Each structure that the utility model provided; Can be combined into the power truck that provides like the utility model each other, also can be wherein some or two replace with other structure that can realize identical function, form various power truck.The utility model should in no way limit the protection domain of this power truck to the casehistory of each structure.
Please refer to Fig. 1, Fig. 1 is the compartment and the power truck bonded assembly structural representation of light rail vehicle that the utility model provides.
Light rail vehicle comprises the more piece compartment; Two joint compartments with adjacent are one unit; By a non-power truck 10 and two power truck 20 together support, wherein, two power trucks 20 are located at the two ends of this element in this element; Non-power truck 10 is located at the middle part of this element, and the rear portion in the front portion in a joint compartment and another joint compartment is connected with the front and rear of non-power truck 10 respectively.
Please refer to Fig. 2 and Fig. 3, Fig. 2 provides the structural representation of a kind of specific embodiment of power truck for the utility model; Fig. 3 is the local structure scheme drawing of power truck shown in Figure 2.
The power truck that the utility model provided; The framework 21 that comprises the compartment that supports said light rail vehicle; Be located at the air bellow 22 between said framework 21 and the said compartment, connect the sleeper beam 24 of two said air bellows 22 of the both sides, axis be positioned at said light rail vehicle, and with the equal draw gear of captiveing joint 25 in said sleeper beam 24 and said compartment; Different with prior art is; Be provided with pivoting support 26 between said draw gear 25 and the said framework 21, the inner ring 261 of this pivoting support 26 is captiveed joint with said framework 21, captives joint with said sleeper beam 24 in outer ring 262.
The two ends of sleeper beam 24 connect two air bellows 22 that are positioned at both sides, light rail vehicle axis respectively, and the middle part is connected with framework 21; Air bellow 22 is captiveed joint 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 process bend; Lateral excursion takes place in the air bellow 22 of one side, and the air bellow 22 that will drive sleeper beam 24 other ends that are attached thereto squints, and makes the compartment that is positioned at the both sides, axis produce interlock; Resistance when reducing the light rail vehicle turning, it is more flexible to turn, and vehicle producible cross travel when turning increases; The turn radius that can pass through is littler, and the through performance of vehicle is higher.
Like this, the inner ring 261 of compartment, draw gear 25, sleeper beam 24 and pivoting support 26 is fixed together, when light rail vehicle passes through sharp radius curve; Air bellow 22 produces lateral excursion, and the drive in the compartment with respect to framework 21 lateral excursion takes place, and relatively moves between the inner ring 261 of pivoting support 26 and the outer ring 262 at this moment; It is strong that pivoting support 26 has a load-carrying capacity; Rotate flexible characteristic, the alerting ability in the time of can improving power truck 20 turnings, the transversal displacement that increase compartment and framework are 21; The radius of curve that light rail vehicle is passed through is littler, and curving performance strengthens.Simultaneously, 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 can pass through bolted connection with framework 21, and bolted connection also can be passed through with sleeper beam 24 in outer ring 262.Bolt is one of common used in industry attaching parts, and its connection is convenient and swift, and firm and durable, can reduce installation difficulty and cost.
Particularly, the power truck that the utility model provided can also comprise the flange of being located between said inner ring 261 and the said framework 21 29, the said inner ring of said screw bolt passes 261, said flange 29 and said framework 21.Flange 29 can connect inner ring 261 and framework 21, and the distance between outer ring 262 and the framework 21 is increased, and increases installing space, and is more convenient when making outer ring 262 with sleeper beam 24 connections.Simultaneously, bolt and framework 21 that flange 29 can also be avoided connecting outer ring 262 and sleeper beam 24 produce interference, reduce installation difficulty.
In addition, there is irregular possibility in process of production in framework 21, causes framework 21 and inner ring 261 connection reliability to reduce; At framework 21 and the inner ring 261 middle flanges 29 that are provided with; Can remedy framework 21 irregular defectives, improve the bonded assembly planeness, thereby improve the bonded assembly reliability.
Please refer to Fig. 4, Fig. 4 is the local structure scheme drawing of a kind of specific embodiment of framework of power truck that the utility model provides.
In further embodiment; Said framework 21 comprises two curb girders 211 that laterally arrange; Be equipped with cambered way 2111 on the two said curb girders 211, said air bellow 22 downsides are equipped with carriage 23, and this carriage 23 slides along said cambered way 2111.When light rail vehicle passed through bend, carriage 23 slided in cambered way 2111, drove air bellow 22 and moved, and made air bellow 22 produce lateral excursions.Form cliding friction between carriage 23 and the cambered way 2111, its friction force is little, and moving resistance is reduced, thereby significantly improves the alerting ability of non-power truck when bend, improves the through performance of light rail vehicle.
Please refer to Fig. 5, Fig. 5 is the structural representation of air bearing that the utility model provides and a kind of specific embodiment of carriage.
In a kind of concrete embodiment; Carriage 23 can comprise that (number of bearing-type pulley 232 can be one, two or more with bearing-type pulley 232 for rigid backbone 231; Bearing-type pulley 232 under the air bellow shown in Fig. 5 22 has 4), captive joint with the top of rigid backbone 231 in the bottom of air bellow 22; Bearing-type pulley 232 slides along cambered way 2111, and its center shaft 233 is captiveed joint with rigid backbone 231.Light rail vehicle is when the bend, and bearing-type pulley 232 slides in cambered way 2111, drive rigid backbone 231 and move, and then the air bellow 22 that drive is captiveed joint with rigid backbone 231 moves, and makes air bellow 22 generation lateral excursions.Form cliding friction between bearing-type pulley 232 and the cambered way 2111, its friction force is little, and moving resistance is reduced, thereby significantly improves the alerting ability of power truck 20 when bend, improves the through performance of light rail vehicle.
Please refer to Fig. 6, Fig. 6 provides the structural representation of a kind of specific embodiment of curb girder for the utility model.
Particularly, can be provided with 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, and therefore, air bellow 22 is installed in recessed section 2112; Reduced the height sum of air bellow 22 with framework 21 at vertical direction, made power truck 20 integral body compacter, it is littler that its volume can design ground; Thereby reduce the chassis of light rail vehicle; Its safety is better when on bend, going, and it is more steady that light rail vehicle is gone, and reliability is higher.
In concrete technical scheme, can also improve the alerting ability of Ackermann steer angle through the deadweight that reduces bogie truck itself.For example, framework 21 also comprises the crossbeam 212 that connects two curb girders 211 (can with reference to figure 4), and this crossbeam 212 can adopt two box-structures.Two box beam structures can make the weight saving of crossbeam 212 not reducing on crossbeam 212 intensity based, effectively reduce the load of Ackermann steer angle, and it is more convenient that light rail vehicle is turned.
Can also do to improve further to above-mentioned power truck 20.
Please refer to Fig. 7 and Fig. 8, Fig. 7 provides the structural representation of a kind of specific embodiment of drg in the power truck for the utility model; Fig. 8 is the birds-eye view of power truck shown in Figure 7.
In further technical scheme; The power truck 20 that the utility model provided 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 inboard (inboard is that the basis defines with the curb girder) of curb girder 211 here.The double brake mode of plate disc brake 27 and magnetic rail brake device 28 can improve the deceleration and stopping performance of power truck 20, the safety that improves light rail vehicle to greatest extent.Simultaneously, plate disc brake 27 is installed on the axletree 30, and it is more firm that plate disc brake 27 is installed, and reliability is higher; Magnetic rail brake device 28 is fixed on the inboard of curb girder 211, and can effectively save drg needs occupation space, makes the more compact structure of power truck 20, and volume is littler.
Particularly, magnetic rail brake device 28 can pass through bolted connection with curb girder 211.Bolt is one of industrial attaching parts commonly used, is prone to buying, and sound construction can guaranteed to connect on the reliable and stable basis, reduces both link costs.
Except above-mentioned power truck 20, the utility model also provides a kind of light rail vehicle that comprises above-mentioned power truck 20, and power truck 20 has several, supports adjacent two compartments successively along the working direction of light rail vehicle.The structure of other each several parts of light rail vehicle please refer to prior art, and this paper repeats no more.
More than light rail vehicle and power truck thereof that the utility model provided have been carried out detailed introduction.Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (9)
1. power truck that is used for light rail vehicle; The framework that comprises the compartment that supports said light rail vehicle; Be located at the air bellow between said framework and the said compartment, connect the sleeper beam of two said air bellows of the both sides, axis be positioned at said light rail vehicle, and with the equal draw gear of captiveing joint in said sleeper beam and said compartment; It is characterized in that; Be provided with pivoting support between said draw gear and the said framework, the inner ring of this pivoting support is captiveed joint with said framework, captives joint with said sleeper beam in the outer ring.
2. the power truck that is used for light rail vehicle according to claim 1 is characterized in that, said inner ring is connected through bolt with said framework, and said outer ring is connected through bolt with said sleeper beam.
3. the power truck that is used for light rail vehicle according to claim 2 is characterized in that, also comprises the flange of being located between said inner ring and the said framework, the said inner ring of said screw bolt passes, said flange and said framework.
4. according to each described power truck that is used for light rail vehicle of claim 1 to 3; It is characterized in that; Said framework comprises two curb girders that laterally arrange; Be equipped with cambered way on the two said curb girders, said air bellow downside is equipped with carriage, and this carriage slides along said cambered way.
5. the power truck that is used for light rail vehicle according to claim 4 is characterized in that, the middle part of said curb girder is provided with recessed section, and said cambered way is located in said recessed section.
6. the power truck that is used for light rail vehicle according to claim 5 is characterized in that, said framework also comprises the crossbeam that connects two said curb girders, and this crossbeam adopts two box-structures.
7. the power truck that is used for light rail vehicle according to claim 4; It is characterized in that; Also comprise plate disc brake and magnetic rail brake device, said plate disc brake is installed on the axletree of said light rail vehicle, and said magnetic rail brake device is fixed on the inboard of said curb girder.
8. the power truck that is used for light rail vehicle according to claim 7 is characterized in that, said magnetic rail brake device and said curb girder pass through bolted connection.
9. a light rail vehicle comprises at least two joint compartments and the power truck that supports said compartment, it is characterized in that said power truck is like each described power truck of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200033285U CN202389395U (en) | 2012-01-05 | 2012-01-05 | Light rail vehicle and power truck thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200033285U CN202389395U (en) | 2012-01-05 | 2012-01-05 | Light rail vehicle and power truck thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202389395U true CN202389395U (en) | 2012-08-22 |
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ID=46664340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200033285U Expired - Lifetime CN202389395U (en) | 2012-01-05 | 2012-01-05 | Light rail vehicle and power truck thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202389395U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102490747A (en) * | 2012-01-05 | 2012-06-13 | 南车株洲电力机车有限公司 | Light rail vehicle and power bogie thereof |
| CN106184269A (en) * | 2016-08-15 | 2016-12-07 | 中车唐山机车车辆有限公司 | Central traction apparatus, bogie and rail vehicle |
| CN107826139A (en) * | 2017-12-12 | 2018-03-23 | 湘电重型装备有限公司 | A kind of unmanned engine bogie |
-
2012
- 2012-01-05 CN CN2012200033285U patent/CN202389395U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102490747A (en) * | 2012-01-05 | 2012-06-13 | 南车株洲电力机车有限公司 | Light rail vehicle and power bogie thereof |
| CN102490747B (en) * | 2012-01-05 | 2015-05-20 | 南车株洲电力机车有限公司 | Light rail vehicle and power bogie thereof |
| CN106184269A (en) * | 2016-08-15 | 2016-12-07 | 中车唐山机车车辆有限公司 | Central traction apparatus, bogie and rail vehicle |
| CN107826139A (en) * | 2017-12-12 | 2018-03-23 | 湘电重型装备有限公司 | A kind of unmanned engine bogie |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120822 |
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| CX01 | Expiry of patent term |