Power truck built in high-speed EMUs axle box and the rail vehicle with the bogieTechnical field
The present invention relates to a kind of railway vehicle power bogies, more particularly, to dynamic built in a kind of high-speed EMUs axle boxPower bogie and rail vehicle with the bogie.
Background technique
Currently, the domestic existing Highs-speed motor train unit bogie in China is all using traditional external bogie of axle box, i.e. axle boxComposition is located at wheel to outside, and truck side sill is located at wheel to outside.The lateral dimension of this external bogie of axle box is larger, is suitable forIt is used on the biggish high-speed rail route of vehicle gauge.But it is national (such as Britain) for Some European, railway has more than 100 yearsHistory, old rail track is complicated and vehicle gauge is smaller, therefore for high-speed EMUs, to run existing by theseRoute must satisfy lesser limit requirement.Since bogie overall structure layout limits, the cross of traditional external bogie of axle boxThe space not reduced to size.Therefore big to break through existing traditional motor train unit bogie volume for high-speed EMUsBottlenecks, meet smaller limit with requiring, need to design a kind of completely new high-speed EMUs axle box built-in dynamicalBogie.
The Some vehicles of existing city underground and light rail have the case using power truck built in axle box, but the type turnsTo frame be structurally characterized in that wheel to axle-box locating using herringbone India-rubber spring or single India-rubber spring, foundation brake using tread brake orIt takes turns and the reel in outside is braked, be only applicable to low speed (highest running speed is less than 100km/h) and low bearing capacity (maximum allowable axle loadLess than 15t) operating condition, be not able to satisfy high speed (highest running speed 250km/h) and high bearing capacity (maximum allowable axle load is reachableTo 19t) with requirement.
Due to the reduction of lateral dimension, single stage suspension, the axle box composition, axle-box locating side of conventional high rate motor train unit bogieThe requirements of installation space of bogie built in axle box is not satisfied in formula, central traction apparatus, brake clamp arrangement etc., it is therefore desirable to rightBogie is totally redesigned with each system unit, and lateral occupied space is reduced, while also to meet EMU high speed, heightUsing for carrying requires.
Summary of the invention
The object of the present invention is to provide power trucks built in a kind of high-speed EMUs axle box of new construction, reduce bogieLateral outer dimension solves the problems, such as that EMU passes through smaller limit.
For achieving the above object, the present invention provides power truck built in a kind of high-speed EMUs axle box, including structureFrame, wheel to, axle box composition, brake apparatus, driving device, central traction apparatus, single stage suspension, secondary suspension, it is characterised in that:Axle box composition and truck side sill are respectively positioned on wheel to inside, and axle-box locating is girt positioning, and single stage suspension uses two longitudinal directionsThe rubber taper spring of arrangement, the Multiple disc brake clamp in the top of axle box, brake apparatus are located at truck side sill end, inTraction device is entreated to use two longitudinally arranged laminated rubber heaps, anti-side rolling torsion rod is located at truck transom lower part.
The mounting base of the rubber taper spring is located at the top of axle box upper box, and axle box top box body side surface is provided with verticalDamper mounting base and pull rod mounting base.
The longitudinal register of the axle box is positioned using single axlebox rod, and axlebox rod mounting base is located in the middle part of axle box,The both ends of axlebox rod are the adjustable rubber nodal point of longitudinal rigidity.
The axle box group becomes split type axle box, upper box and lower box and is bolted by vertical, and two of cabinetEnd face is provided with labyrinth seal structure.
The truck transom uses welded-steel plate construction, and anti-hunting damper holder mounting base uses modular construction.
Traction electric machine is lifted by three rubber nodal points on the truck transom, driving device is installed on truck side sillThe mounting base of middle gear case sunpender.
A kind of rail vehicle, including bogie, it is characterised in that: the bogie is to turn described in above-mentioned any oneTo frame.
Relative to existing bogie, the present invention has the advantage that as follows:
1, single stage suspension meets Multiple disc brake clamp positioned at the top of axle box using two longitudinally arranged rubber taper springsRequirements of installation space.Relative to the structure of existing one spring of axle box overhead, rubber spring diameter is smaller, and horizontal space accounts forWith less.The vertical bearing capacity that this design structure enhances single stage suspension is strong, while reducing the lateral occupied space of spring.
2, axle box composition is located at wheel to inside, is brand-new design structure, use is split type, carries labyrinth seal structure, rubberGlue taper spring mounting base is located at the top of axle box upper box, and axle box top box body side surface is provided with vertical damper mounting base and pull rodMounting base, dismantle between upper and lower cabinet it is vertical be bolted, the quick-replaceable of wheel pair can be realized.Since axle box composition does not haveThere is the conventional shaft end gland structure being bolted, therefore be omitted and be bolted required space, to further saveSave lateral occupied space.
3, since traditional axle box swivel arm positioning method is not able to satisfy requirements of installation space, the longitudinal register of axle box is adoptedIt is positioned with single axlebox rod, axlebox rod mounting base is located in the middle part of axle box.When traction and braking, axlebox rod active force is directAxle center is acted on, additional moment will not be generated to axle box.The both ends of axlebox rod are rubber nodal point, the longitudinal direction of rubber nodal pointRigidity is adjustable, can satisfy Highs-speed motor train unit bogie wheel to the biggish requirement of longitudinal register rigidity.
4, bogie is brake disk mounted using taking turns, and Multiple disc brake clamp is located at the end of truck side sill, relative to Multiple disc brakeClamp is located in the middle part of framework, and this arrangement form completely avoids the interference problem of Multiple disc brake clamp Yu axle-box locating pull rod,Guarantee that axle-box locating pull rod can be placed in axle box central horizontal.Inflexible wheel base size adjusting space is released simultaneously, is being metLesser inflexible wheel base may be implemented under the premise of dynamic performance, to further realize the compact design of bogie.
5, central traction apparatus uses one group of traction rubber metal pad, with traditional Z-type drawing pull bar, simplex pull rod and two groups of rubbersGlue heap design structure is compared, and the horizontal and vertical space hold of this structure is small, and structure is simple, i.e., centrepin directly be longitudinally arrangedThe contact of traction rubber metal pad, transmit tractive force and brake force, contact surface uses special low-friction coating, reduce centrepin withDraw the friction between rubber metal pad.
6, truck side sill is located at wheel to inside, and truck transom uses welded-steel plate construction, anti-hunting damper holder seat mounting baseUsing modularized design, bolt mounting means, easy to disassemble and replacement can increase or decrease damper number according to rate requestAmount.
7, traction electric machine is lifted on truck transom by three rubber nodal points, reduces truck transom vibration；Gear-boxThe mounting base of sunpender is located at truck side sill, reduces the stress of truck transom.
Detailed description of the invention
Fig. 1 is bogie three dimensional structure diagram；
Fig. 2 is single stage suspension and axle box composition schematic diagram；
Fig. 3 is driving device and wheel to composition schematic diagram；
Fig. 4 is central traction apparatus schematic diagram；
Fig. 5 is bogie top view.
In figure: framework 1, wheel form 3, axle box upper box 301, axle box lower box 302, centre of pull pin 4, one to 2, axle boxIt is vertical damper 5, axlebox rod 6, traction electric machine 7, gear-box 8, air spring 9, anti-hunting damper holder 10, Multiple disc brake folderPincers 11, rubber taper spring 12, positioning rubber node 13, motor rubber nodal point 14, gear-box sunpender 15, traction rubber metal pad 16,Horizontal buffer 17, anti-hunting damper holder mounting base 18, crossbeam composition 19, curb girder composition 20.
Specific embodiment
Referring to Fig.1, Fig. 2, the framework 1 of bogie of the present invention are located at wheel to 2 insides, and axle box composition 3 also is located at wheel in 2Side, single stage suspension are that vertical damper 5 forms by two rubber taper spring 12, one one, between axle box composition 3 and framework 1By a connection positioning of axlebox rod 6, traction electric machine 7 and gear-box 8 are installed on the inside of framework 1, installation is free in the middle part of framework 1Gas spring 9,1 middle part outside of framework are equipped with anti-hunting damper holder 10, and Multiple disc brake clamp 11 is installed on 1 end of framework.EntirelyThe lateral dimension of bogie is smaller, can satisfy small limit by requiring, while its bearing capacity and suspension parameter again canMeet using for high-speed EMUs to require.
The axle box composition 3 of bogie of the present invention is made of axle box upper box 301 and axle box lower box 302, axle box upper boxIt is bolted with axle box lower box, when replacement wheel is to 2, it is only necessary to dismantle axle box lower box 13.Axle box upper boxIt is 5 mounting base of vertical damper that 301 sides, which are one, and the other side is 6 mounting base of axlebox rod, 5 mounting base of vertical damper and axis6 mounting base of case pull rod is located at axle box and forms 3 horizontal centres.Axlebox rod 6 is horizontal positioned, the drawing that 6 pairs of axlebox rod wheels are generated to 2Power or thrust will not form 3 to axle box and generate additional deflection torque, and the both ends of axlebox rod are positioning rubber node 13, indulgeLarger to rigidity, lateral stiffness is smaller, to improve the dynamic performance of vehicle.It is longitudinally provided at the top of axle box upper box 301Two rubber taper springs 12, since high-speed EMUs weight is larger, herein if using single rubber taper spring, diameter250mm can be greater than, to occupy biggish wheel to 2 inner spaces, cause traction electric machine 7 and 8 installation space of gear-box insufficient.Therefore use two rubber taper springs, large carrying capacity and horizontal space occupy it is small, while in order to avoid Multiple disc brake clamp11 installation space, rubber taper spring 12 must be mounted to 301 top of axle box upper box.
Referring to Fig. 3-Fig. 5, framework 1 includes crossbeam composition 19 and curb girder composition 20, and crossbeam composition 19 is by steel plate and forging groupIt welds, traction electric machine 7 is by three hangings of motor rubber nodal point 14 on crossbeam composition 19.Curb girder composition 20 is box steel plateWelding structure, gear-box 8 are hung on curb girder composition 20 by gear-box sunpender 15, compare traditional structure, alleviate crossbeam groupAt 19 stress.
Multiple disc brake clamp 11 forms 20 ends in truck side sill by four bolt hangings, releases installation in the middle part of frameworkSpace avoids the interference problem of Multiple disc brake clamp 11 Yu axlebox rod 6, while becoming for diminution bogie fixed wheelbase canCan, to further reduce bogie volume.Anti-hunting damper holder mounting base 18 is mounted on 1 two sides of framework by bolt, can be withDisassembly, replacement anti-hunting damper holder mounting base 18 as needed.
Referring to Fig. 4, bogie pivot center is provided with centre of pull pin 4, to solve the problems, such as installation space deficiency, does not use and leadsBe pulled the traditional structure forms of bar and two groups of rubber metal pads, but is symmetrically installed two traction rubber metal pads 16 in longitudinal direction, drawsCooperate between centrepin 4 and traction rubber metal pad 16 for small―gap suture, contact surface uses the specific coatings of low-friction coefficient.In traction4 both lateral sides of heart pin are symmetrically installed there are two horizontal buffer 17.
The rail vehicle has above structure bogie, has been described in detail above the design feature of bogie, thisPlace repeats no more.The rail vehicle is suitable for the rail tracks such as Europe complexity and the lesser country of vehicle gauge.