CN106926854A - One kind has super wide-tread railcar and its method for designing - Google Patents
One kind has super wide-tread railcar and its method for designing Download PDFInfo
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- CN106926854A CN106926854A CN201710190561.6A CN201710190561A CN106926854A CN 106926854 A CN106926854 A CN 106926854A CN 201710190561 A CN201710190561 A CN 201710190561A CN 106926854 A CN106926854 A CN 106926854A
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- Prior art keywords
- supporting construction
- railcar
- tread
- wide
- wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
-
- 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
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
- Body Structure For Vehicles (AREA)
Abstract
There is super wide-tread railcar the invention discloses one kind, including：Compartment, it is expanded letter structure；Supporting construction, it passes through car bottom symmetrical expression and is arranged on the compartment both sides；Wheel group, it is arranged on the supporting construction bottom, can be travelled along track；Bogie, it is arranged between the supporting construction and the wheel group, with monocoque construction, wheel group is located at vehicle body outside, and using expanded letter vehicle body, the stability of vehicle is more preferable, give a kind of with super wide-tread railcar method for designing, the bending stiffness of supporting construction and the computing formula of radius of wheel are given, reasonable in design, repeatability is good.
Description
Technical field
There is super wide-tread railcar and a kind of with ultra-wide wheel the present invention relates to a kind of railcar, more particularly to one kind
Away from railcar method for designing.
Background technology
The existing train of China is standard gauge (3105mm) track train.Ordinary train railway uses Ballast track, row
Be distributed to weight on roadbed by rail, sleeper, stone by the weight of car, to avoid roadbed from damaging.Track train runs on rail
On road, railway train body width is limited by standard gauge, and often row can only arrange 4 or 5 seats.High ferro railway is then big
Amount, more using elevated structure, is suitable for different environment, Qinghai-Tibet iron using the non-fragment orbit of overhead viaduct type concrete integral channel bed
Road passes through frozen soil layer and just employs such structure.The railway laid using Viaduct Structure, it is possible to reduce to appropriation of land,
Environmental protection is more beneficial for, from the angle for further improving land utilization ratio, the overhead non-fragment orbit railway put using double-row bridge mop
Structure is more suitable for using non-standard ultra-wide gauge track, and more positions are arranged with the width for improving vehicle body.
The content of the invention
The present invention relates to a kind of ultra-wide wheelspan track train structure for being adapted to and being travelled on ultra-wide track, with bearing-type car
Body structure, using expanded letter vehicle body, wheel group is located at vehicle body outside, and the stability of vehicle is more preferable.
It is a still further object of the present invention to provide one kind have super wide-tread railcar method for designing, give amount of deflection,
The computing formula of Line stiffness and radius of turn, reasonable in design, repeatability is good.
The present invention provide technical scheme be：
One kind has super wide-tread railcar, it is characterised in that including：
Compartment, it is expanded letter structure；
Supporting construction, it passes through the car bottom, and stretches out the compartment, and the extension of the supporting construction is symmetrical
It is arranged on the compartment both sides；
Joist, it is arranged on the interior, and the supporting construction top, the supporting construction is riveted on describedly
On plate-girder；
Wheel group, it is arranged on the supporting construction extension bottom, and can be along rail running；
Bogie, it is arranged between the supporting construction and the wheel group.
Preferably, the supporting construction, including：
Support rib, it is steel bar framework structure, for the inside support of supporting construction；
Covering, it is wrapped in the support rib outside, for maintaining supporting construction profile, has supporting construction good
Air dynamic behaviour.
Preferably, the compartment material uses lightweight material.
Preferably, the bogie, including：
Framework；
Wheel is right, and it is arranged on the framework bottom, is oriented to for providing walking.
Axle box, it is arranged on the wheel to outside, for reducing frictional resistance, changes and roll as translation.
Single stage suspension device, it is spring suspension, the axle box top is arranged on, for buffering shaking for axle box above section
It is dynamic, to mitigate operating dynamic loading.
Preferably, also include：Body supporting device, it is the disk with mounting hole, is rotatably disposed in the branch
Support structure bottom, the bogie and supporting construction are linked together.
Preferably, also including power set, including：
Brake rigging, is the part of brake generation brake force.
Motor driver, its described wheel group of connection, for converting electric energy into mechanical energy, is increased by reducing rotating speed
Torque, and it is right that the power of traction motor is transmitted into wheel.
Preferably, also including vibration absorber, its one end connects the body supporting device, and the other end connects
Connect the upper surface of the framework bottom.
Preferably, the vibration absorber is hydraulic buffer.
One kind has super wide-tread railcar method for designing, the computing formula of the amount of deflection f and Line stiffness K of supporting construction
For：
Wherein, L is the broad gauge wheel tracks；The maximum load that P bears for supporting construction, f is the maximum of supporting construction
Safe deformation displacement.E is elastic modelling quantity, and I is the moment of inertia in supporting construction xz sections.
Preferably, the radius of wheel computing formula of the wheelspan railcar wide is：
Wherein, u is broad gauge car the max speed；δ is steering locking angle；L is wheelbase；κ is stability factor；M is car body matter
Amount；A is the distance of Axial Loads positional distance supporting construction one end, and b is Axial Loads positional distance supporting construction
The distance of the other end；k1It is front-wheel cornering stiffness；k2It is trailing wheel cornering stiffness, μ is wheel coefficient of friction, and g is acceleration of gravity.
Beneficial effects of the present invention
The present invention has designed and developed a kind of ultra-wide wheelspan track train structure for being adapted to and being travelled on ultra-wide track, with holding
Load formula body structure, using expanded letter vehicle body, wheel group is located at vehicle body outside, and more preferably, load-carrying efficiency is higher for the stability of vehicle.
The present invention provides a kind of with super wide-tread railcar method for designing, gives amount of deflection, Line stiffness and turning half
The computing formula in footpath, reasonable in design, repeatability is good.
Brief description of the drawings
Fig. 1 is the skeleton structure schematic diagram with super wide-tread railcar of the present invention.
Fig. 2 is the structural representation with super wide-tread railcar of the present invention.
Fig. 3 is the front view with ultra-wide argument railcar of the present invention.
Fig. 4 is the structural representation of supporting construction support rib of the present invention.
Fig. 5 is the structural representation of bogie of the present invention.
Fig. 6 is supporting construction Rigidity Calculation schematic diagram of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
As Figure 1-3, the present invention provide with super wide-tread railcar, including：Compartment 100, supporting construction
200th, wheel group 300 and bogie 400 and joist 500.
Compartment 100, it is expanded letter structure；Supporting construction 200, it passes through the bottom of compartment 100, and stretches out compartment 100, support
The extension 210 of structure 200 is symmetricly set on the both sides of compartment 100；Joist 500, it is arranged on inside compartment 100, support
The top of structure 200, supporting construction 200 is riveted on the joist；Wheel group 300, it is arranged on the bottom of supporting construction 200,
Can be travelled along track；Bogie 400, it is arranged between supporting construction 200 and wheel group 300.
As shown in figure 4, supporting construction 200, including：Support rib 220, it is steel bar framework structure, for supporting construction 200
Inside support；Covering, it is wrapped in the outside of support rib 220, for maintaining supporting construction profile, has supporting construction 200
Good air dynamic behaviour.
As one kind preferably, the material of compartment 100 uses lightweight material.
As shown in figure 5, bogie 400, including：Framework 410, it is frame structure, for fixing the structure in bogie 400
Part, takes turns to 440, and it is arranged on the bottom of framework 410, is oriented to for providing walking；Axle box 450, it is arranged on wheel to 440 outsides,
For reducing frictional resistance, change and roll as translation；Single stage suspension device 420, it is spring suspension, is arranged on the top of axle box 450,
It is used to buffer the vibration of axle box above section；
Body supporting device 430, its its be the disk with mounting hole, is rotatably disposed in the bottom of supporting construction 200, will
Bogie links together with supporting construction；The bottom of framework 410 is provided with wheel group 300.
Preferably, also including power set, including：
Brake rigging, is the part of brake generation brake force.
Motor driver, its described wheel group of connection, for converting electric energy into mechanical energy, is increased by reducing rotating speed
Torque, and it is right that the power of traction motor is transmitted into wheel.
In another embodiment, also including vibration absorber 460, its one end connection body support meanss 200, other end connection
The upper surface of framework bottom, as one kind preferably, vibration absorber 460 selects hydraulic buffer.
As shown in fig. 6, during support structure designs, setting up three coordinate models, made with the plan of facing of supporting construction
For the computing formula of the amount of deflection f and Line stiffness K of the wherein described supporting construction of xz planes is：
Wherein, L is the broad gauge wheel tracks；The maximum load that P bears for supporting construction, f is the maximum of supporting construction
Safe deformation displacement, E is elastic modelling quantity, and I is the moment of inertia in supporting construction xz sections.
The radius of wheel computing formula of wheelspan railcar wide is：
Wherein, u is broad gauge car the max speed；δ is steering locking angle；L is wheelbase；κ is stability factor；M is car body matter
Amount；A is the distance of Axial Loads positional distance supporting construction one end, and b is Axial Loads positional distance supporting construction
The distance of the other end；k1It is front-wheel cornering stiffness；k2It is trailing wheel cornering stiffness, μ is wheel coefficient of friction, and g is acceleration of gravity.
Wherein, described car body arranges seat and can arrange multiple seats due to not limited by standard gauge, often, it is proposed that root
Often arranged according to seat grade and put 6,7,8,9 or 10 seats.
Wherein, it is 9.5 meters that existing overhead two-way traffic is had a lot of social connections, and it is 12.75-13 meters that three-lane road is had a lot of social connections, can be according to overhead
Design respective rail, preferably 8.5 meters or so of track, 6 meters of width of the carbody.
The present invention has designed and developed a kind of ultra-wide wheelspan track train structure for being adapted to and being travelled on ultra-wide track, with holding
Load formula body structure, using expanded letter vehicle body, wheel group is located at vehicle body outside, and more preferably, load-carrying efficiency is higher for the stability of vehicle, and
There is provided one kind has super wide-tread railcar method for designing, gives the computing formula of amount of deflection, Line stiffness and radius of turn, ties
Structure is reasonable in design, and repeatability is good.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in specification and implementation method
With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (10)
1. it is a kind of that there is wide-tread railcar, it is characterised in that including：
Compartment, it is expanded letter structure；
Supporting construction, it passes through the car bottom, and stretches out the compartment, and the extension of the supporting construction is symmetrical arranged
In the compartment both sides；
Joist, it is fixedly installed on the interior, and the supporting construction top, the supporting construction is riveted on describedly
On plate-girder；
Wheel group, it is arranged on the supporting construction extension bottom, and can be along rail running；
Bogie, it is arranged between the supporting construction and the wheel group.
2. it is according to claim 1 with wide-tread railcar, it is characterised in that the supporting construction, including：
Support rib, it is steel bar framework structure, for the inside support of supporting construction；
Covering, it is wrapped in the support rib outside, for maintaining supporting construction profile.
3. it is according to claim 1 with wide-tread railcar, it is characterised in that the compartment material uses light sectional material
Material.
4. it is according to claim 1 and 2 with wide-tread railcar, it is characterised in that the bogie, including：
Framework；
Wheel is right, and it is arranged on the framework bottom, is oriented to for providing traveling；
Axle box, it is arranged on the wheel to outside, for reducing frictional resistance, changes and roll as translation；
Single stage suspension device, it is spring suspension, is arranged at the top of the axle box, the vibration for buffering axle box above section,
To mitigate operating dynamic loading.
5. it is according to claim 4 with wide-tread railcar, it is characterised in that also to include：Body supporting device, its
It is the disk with mounting hole, is rotatably disposed in the supporting construction bottom, the bogie and supporting construction is connected to
Together.
6. according to any one of claim 1-3 and 5 with wide-tread railcar, it is characterised in that also including dynamic
Power apparatus, including：
Brake rigging, is the part of brake generation brake force；
Motor driver, its described wheel group of connection, for converting electric energy into mechanical energy, is turned by reducing rotating speed increase
Square, and it is right that the power of traction motor is transmitted into wheel.
7. it is according to claim 5 with wide-tread railcar, it is characterised in that also including vibration absorber, its one end
The body supporting device is connected, the other end connects the upper surface of the framework bottom.
8. it is according to claim 7 with wide-tread railcar, it is characterised in that the vibration absorber is liquid-springing
Device.
9. it is a kind of that there is super wide-tread railcar method for designing, it is characterised in that the amount of deflection f's and Line stiffness K of supporting construction
Computing formula is：
Wherein, L is the wheelspan of broad gauge car；The maximum load that P bears for supporting construction, f is the maximum safe deformation of supporting construction
Displacement；E is elastic modelling quantity, and I is the moment of inertia in supporting construction xz sections.
10. it is according to claim 9 with super wide-tread railcar method for designing, it is characterised in that the wheelspan wide
The radius of wheel computing formula of railcar is：
Wherein, u is broad gauge car the max speed；δ is steering locking angle；L is wheelbase；κ is stability factor；M is car body mass；a
It is the distance of Axial Loads positional distance supporting construction one end, b is that Axial Loads positional distance supporting construction is another
The distance at end；k1It is front-wheel cornering stiffness；k2It is trailing wheel cornering stiffness, μ is wheel coefficient of friction, and g is acceleration of gravity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710190561.6A CN106926854B (en) | 2017-03-28 | 2017-03-28 | One kind having super wide-tread railcar and its design method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710190561.6A CN106926854B (en) | 2017-03-28 | 2017-03-28 | One kind having super wide-tread railcar and its design method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106926854A true CN106926854A (en) | 2017-07-07 |
| CN106926854B CN106926854B (en) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710190561.6A Expired - Fee Related CN106926854B (en) | 2017-03-28 | 2017-03-28 | One kind having super wide-tread railcar and its design method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532868A (en) * | 2017-09-22 | 2019-03-29 | 中车唐山机车车辆有限公司 | A kind of micro- rail traffic system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532868A (en) * | 2017-09-22 | 2019-03-29 | 中车唐山机车车辆有限公司 | A kind of micro- rail traffic system |
| CN109532868B (en) * | 2017-09-22 | 2021-05-04 | 中车唐山机车车辆有限公司 | Micro-rail traffic system |
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| Publication number | Publication date |
|---|---|
| CN106926854B (en) | 2019-04-19 |
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