CN203528494U - Low-floor train radial bogie - Google Patents
Low-floor train radial bogie Download PDFInfo
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- CN203528494U CN203528494U CN201320672568.9U CN201320672568U CN203528494U CN 203528494 U CN203528494 U CN 203528494U CN 201320672568 U CN201320672568 U CN 201320672568U CN 203528494 U CN203528494 U CN 203528494U
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Abstract
The utility model provides a low-floor train radial bogie, belongs to the technical field of railway locomotives and rolling stock and particularly relates to an independent rotating wheel radial bogie. A low-floor vehicle suitable for urban rail transit adopts the independent rotating wheel radial bogie. A framework side beam is of a concave structure, secondary suspension rubber spring installing seats are arranged at the ends of two end beams, two transverse shock absorbers are respectively arranged on the outer sides of the end beams and mutually staggered on transverse shock absorber installing seats, and vertical shock absorbers are respectively arranged on the four vertical shock absorber installing seats. A coupling gear connected with a wheel set transverse coupling mechanism is arranged on a short axle, and a brake disc is arranged on the outer side of the short axle. Traction bars arranged at the ends of the short axle are connected with an axle connector through bolts and pins, and a vehicle floor is fixedly connected with installing seats arranged on torsion bars. Conical gears connected onto rotary shafts among vehicle carriages are meshed with conical gears fixedly connected onto the ends of the left and right torsion bars, and a cross beam is provided with a traction device installing seat. The low-floor train radial bogie is mainly used for urban rail transit vehicles.
Description
Technical field
The utility model belongs to rail vehicles technical field, particularly independently rotating wheel radial steering.
Background technology
Adopt that 100% or 70% low floor train is in lot of domestic and foreign city, the selection of low freight volume ground rail traffic, in European and American developed countries, Australia, Japan etc., be abroad used widely.Realize this two kinds of low floors, must adopt independently rotating wheel bogie technology.For 100% low floor train, the all bogie trucks of vehicle all must adopt independently rotating wheel bogie technology, and for 70% low floor, middle non-articulated vehicle must adopt independently rotating wheel bogie technology, thereby guarantee the realization of guest room low floor, China also digests and promotes this low floor train technology introducing gradually.
Principal mode low floor vehicle make-up type adopts Mc+F+Tp+F+Mc structural shape substantially in the world at present.Mc is the power car of vehicle two ends band control cabin; Tp car is the trailer with pantograph, is placed in the middle of vehicle; F is the unsteady vehicle being articulated with on Mc and Tp car.If desired increase passenger capacity, generally increase by one group of F and T the car trailer of pantograph (not with) simultaneously.From current both at home and abroad application, exists larger problem be the wheels of middle bogie (for supporting Tp car or T car) can not centering on straight line, guidance capability deficiency when flange wear and curve motion, noise be bigger than normal etc.
Utility model content
The purpose of this utility model is just to provide a kind of low floor train radial steering, and its can the be coupled wheel of the independent rotation in left and right in wheels, realizes their synchronous rotary; Also before and after realizing during curve negotiating, wheels radius vector is to location deflection.
The utility model is solving practical problems, and vehicle trailer bogie in the middle of 100%, 70% low floor train for a kind of urban rail transit vehicles is provided.Comprise framework, wheel, wheels transverse coupling mechanism, wheels skew symmetry coupling mechanism and axle box, truck side sill is concave structure, the end of two end carriages arranges secondary suspension rubber spring mount pad, four hourglass shape rubber springs are established respectively thereon, two lateral dampers are separately positioned on the lateral damper mount pad that mistake is established mutually of end carriage outside, end carriage outside is also provided with four vertical damper mount pads, is respectively equipped with vertical damper on it; Wheel and short axletree are fixed by press-fiting, and wheel inner side arranges axle box, and short axletree is provided with the coupling wheel being connected with wheels transverse coupling mechanism, and brake disc is arranged in short axletree outside; The propelling rod that is located at short axletree end is connected with pin by bolt with mandrel connector, and propelling rod is connected by bearing pin with pivoted arm, and pivoted arm and torsion bar are fixed, and vehicle floor is fixed by the mount pad (504) being located on torsion bar (505); Be connected to the cone gear in rotating shaft and the cone gear engagement that is cemented in left and right torsion bar end between vehicle, crossbeam is provided with draw gear mount pad.
This truck frame adopts succinct flexible order font welded structure, symmetrical configuration.Curb girder is concave structure, and middle part is provided with electromagnetic rail brake mount pad and is reserved with actuating device mounting interface.
Wheels transverse coupling mechanism is used for two groups of wheels before and after bogie truck to couple together respectively, thereby realizes transverse coupling function, makes the rotating speed of same wheels two wheels consistent, recovers gravity recuperability and guarantees guidance capability.Realize the torsion bar outside that moment of torsion transmits and adopt two halves formula protecting sleeve, prevent that the operational process middle orbit foreign matter that splashes from clashing into torsion bar.
Wheels skew symmetry coupling mechanism is for two groups of wheels before and after bogie truck are connected with each other, thereby the conformability of wheel radial displacement on curve is respectively organized in realization, reduces wheeling edge wearing, opposing diamonding.
Radial regulation device for converting vehicle the yaw motion of wheels to respect to middle car compared with Angular Displacement when by small radii curve, thereby realize the radially function of wheels, increase the curving performance of low floor vehicle, reduce wheel-rail noise and wheeling edge wearing.
Axle box hanging device adopts nonlinear circular cone rubber spring, and reasonably three-way rigidity and resistance are realized good dynamic performance.
Secondary suspension device adopts four hourglass shape rubber springs, is aided with laterally and vertical damper, can guarantee good stationarity.
Draw gear adopts Z-shaped structure, is located in the middle of two crossbeams, realizes the transmission of the longitudinal force between framework and car body, and this device is also the center of gyration of bogie truck, and it is vertical and lateral stiffness is smaller, adapts to the relative motion between car body and bogie truck.
The utility model is advantage and effect compared with prior art: adopted transverse coupling mechanism, skew symmetry coupling mechanism and radial regulation device can make the effective synchronous rotary of wheels, recovered gravity recuperability and longitudinal Creep Forces, realized straight line automatic centering function; Can realize in addition in compared with small curve radius situation, front and back wheels are tending towards radial position, increase guidance capability, reduce wheeling edge wearing and wheel-rail noise.Can for the band of 100%, 70% vehicle in the middle of low floor train (Tp, T car) radially with the independently rotating wheel bogie of wheels coupling function.
Accompanying drawing explanation
Fig. 1 is the overall pattern of the utility model bogie truck
Fig. 2 is the utility model framework structure schematic diagram
Fig. 3 is radial regulation device structural representation
Fig. 4 is draw gear structural representation
The specific embodiment
With reference to the accompanying drawings the utility model is described further below:
The purpose of this utility model is to provide a kind of low floor train radial steering, and its can the be coupled wheel of the independent rotation in left and right in wheels, realizes their synchronous rotary; Also before and after realizing during curve negotiating, wheels radius vector is to location deflection.
The purpose of this utility model is to solve by the following technical programs practical problems, and vehicle trailer bogie in the middle of 100%, 70% low floor train for a kind of urban rail transit vehicles is provided.Comprise framework 1, wheel 2, wheels transverse coupling mechanism 3, wheels skew symmetry coupling mechanism 4 and axle box 6, framework 1 curb girder 101 is concave structure, the end of two end carriages 109 arranges secondary suspension rubber spring mount pad 104, four hourglass shape rubber springs 7 are established respectively thereon, two lateral dampers 10 are separately positioned on the lateral damper mount pad 106 that the end carriage 109 mutual mistakes in outside establish, and on four vertical damper mount pads 105, are respectively equipped with vertical damper; Wheel 2 and short axletree 11 are fixed by press-fiting, and wheel 2 inner sides arrange axle box 6, and short axletree 11 is provided with the coupling wheel being connected with wheels transverse coupling mechanism 3, and brake disc 8 is arranged in short axletree 11 outsides; The propelling rod 502 that is located at short axletree 11 ends is connected with pin by bolt with mandrel connector, and propelling rod 502 is connected by bearing pin with pivoted arm 503, and pivoted arm 503 is fixed with torsion bar 505, and vehicle floor is fixed by the mount pad 504 being located on torsion bar 505; Be connected to the cone gear in rotating shaft 5 and the cone gear engagement that is cemented in left and right torsion bar end between vehicle, crossbeam 102 is provided with the mount pad 108 of draw gear 9.
This truck frame adopts succinct flexible order font welded structure, symmetrical configuration.Curb girder 101 is concave structure, height point place near concave structure middle part is provided with unit brake mount pad 103, its below is provided with framework journal box spring mount pad 107(and claims again single stage suspension spring mounting seat), reserved electromagnetic rail brake mount pad and actuating device mounting interface.
Wheels transverse coupling mechanism 3 is for two groups of wheels before and after bogie truck are coupled together respectively, thereby realizes transverse coupling function, makes the rotating speed of same wheels two wheels consistent, recovers gravity recuperability and guarantees guidance capability.
Wheels skew symmetry coupling mechanism 4 is for two groups of wheels before and after bogie truck are connected with each other, thereby the conformability of wheel radial displacement on curve is respectively organized in realization, reduces wheeling edge wearing, opposing diamonding.
Radial regulation device for converting vehicle the yaw motion of wheels to respect to middle car compared with Angular Displacement when by small radii curve, thereby realize the radially function of wheels, increase the curving performance of low floor vehicle, reduce wheel-rail noise and wheeling edge wearing.
Secondary suspension device adopts four hourglass shape rubber springs 7, is aided with laterally and vertical damper 10, can guarantee good stationarity.
Draw gear adopts Z-shaped structure, is located in the middle of two crossbeams 102, realizes the transmission of the longitudinal force between framework 1 and car body, and this device is also the center of gyration of bogie truck, and it is vertical and lateral stiffness is smaller, adapts to the relative motion between car body and bogie truck.
Wheels skew symmetry coupling mechanism 4 is comprised of two crossbars, crossbar two ends link together by spherical joint and axle box 6, thereby realize the coupling of skew symmetry wheel shaft, suppress the displacement of wheels rhombus, guarantee the stability of linear running, oppositely the shaking the head of the front and back wheels in the time of also curve negotiating can being realized.
Radial regulation device is comprised of axle connector 501, propelling rod 502, pivoted arm 503, torsion bar mount pad 504, gear cluster etc.Axle connector 501 is connected in propelling rod 502 end of short axletree 11 by bolt and bearing pin mode, propelling rod 502 adopts bearing pin mode to be connected with pivoted arm 503, pivoted arm 503 is consolidated with torsion bar 505, fixed with the floor of middle vehicle by the mount pad 504 being located on torsion bar 505.Gear cluster is comprised of three cone gears, and two cone gears are fixed with left and right torsion bar 505 ends respectively, is located at cone gear 5 and they engagements between vehicle rotating shaft.Thereby the rotation between floating car and middle vehicle is become to the translation of both sides propelling rod 502 by being cemented in cone gear on torsion bar 505, drive corresponding wheel shaft to shake the head, reach the object of increase guidance capability.
Secondary suspension device is comprised of four hourglass shape rubber springs 7, four vertical dampers and two lateral dampers 10.Hourglass shape rubber spring 7 is placed on the rubber spring mount pad 104 of end of two end carriages 109 of framework 1, and in the middle of supporting, vehicle all and close on floating half weight of car.Vertical vibration between four lateral damper effective attenuation bogie trucks and car body, guarantees good vertical stationarity.Framework two crossbeam 102 ends arrange two lateral dampers 10, the yaw motion while effectively suppressing linear running.
Draw gear is placed in the middle of two crossbeams 102, pivoted arm 9 and pull bar 901, consists of, and forms Z-shaped structure.Pivoted arm 9 be arranged on two crossbeam 102 intermediate pins 108 and be connected by pull bar 901 suspended patterns, pull bar 901 two ends are designed with rubber arthrosis, realize the transmission of the longitudinal force between framework and car body.
Claims (1)
1. a low floor train radial steering, comprise framework (1), wheel (2), wheels transverse coupling mechanism (3), wheels skew symmetry coupling mechanism (4) and axle box (6), it is characterized in that: framework (1) curb girder is concave structure, the end of two end carriages (109) arranges secondary suspension rubber spring mount pad (104), four hourglass shape rubber springs (7) are established respectively thereon, two lateral dampers (10) are separately positioned on the lateral damper mount pad (106) that mistake is established mutually of end carriage (109) outside, end carriage (109) outside is also provided with four vertical damper mount pads (105), on it, be respectively equipped with vertical damper, wheel (2) and short axletree (11) are fixed by press-fiting, and wheel (2) inner side arranges axle box, and short axletree (11) is provided with the coupling wheel being connected with wheels transverse coupling mechanism, and brake disc (8) is arranged in short axletree (11) outside, the propelling rod (502) that is located at short axletree (11) end is connected with pin by bolt with mandrel connector (501), propelling rod (502) is connected by bearing pin with pivoted arm (503), pivoted arm (503) is fixed with torsion bar (505), and vehicle floor is fixed by the mount pad (504) being located on torsion bar (505), be connected to the cone gear in rotating shaft (5) and the cone gear engagement that is cemented in left and right torsion bar (505) end between vehicle, crossbeam is provided with draw gear mount pad (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320672568.9U CN203528494U (en) | 2013-10-29 | 2013-10-29 | Low-floor train radial bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320672568.9U CN203528494U (en) | 2013-10-29 | 2013-10-29 | Low-floor train radial bogie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203528494U true CN203528494U (en) | 2014-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320672568.9U Withdrawn - After Issue CN203528494U (en) | 2013-10-29 | 2013-10-29 | Low-floor train radial bogie |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203528494U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523036A (en) * | 2013-10-29 | 2014-01-22 | 西南交通大学 | Radial bogie for low-floor trains |
| FR3088043A1 (en) * | 2018-11-06 | 2020-05-08 | Alstom Transport Technologies | BOGIE AND RAIL VEHICLE |
| CN113428185A (en) * | 2021-06-23 | 2021-09-24 | 中车株洲电力机车有限公司 | Primary suspension device |
-
2013
- 2013-10-29 CN CN201320672568.9U patent/CN203528494U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103523036A (en) * | 2013-10-29 | 2014-01-22 | 西南交通大学 | Radial bogie for low-floor trains |
| CN103523036B (en) * | 2013-10-29 | 2015-11-25 | 西南交通大学 | Low floor train radial steering |
| FR3088043A1 (en) * | 2018-11-06 | 2020-05-08 | Alstom Transport Technologies | BOGIE AND RAIL VEHICLE |
| EP3650305A1 (en) * | 2018-11-06 | 2020-05-13 | ALSTOM Transport Technologies | Bogie and railway vehicle |
| CN113428185A (en) * | 2021-06-23 | 2021-09-24 | 中车株洲电力机车有限公司 | Primary suspension device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140409 Effective date of abandoning: 20151125 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |