CN106926854B - One kind having super wide-tread railcar and its design method - Google Patents
One kind having super wide-tread railcar and its design method Download PDFInfo
- Publication number
- CN106926854B CN106926854B CN201710190561.6A CN201710190561A CN106926854B CN 106926854 B CN106926854 B CN 106926854B CN 201710190561 A CN201710190561 A CN 201710190561A CN 106926854 B CN106926854 B CN 106926854B
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- Prior art keywords
- support construction
- railcar
- wheel
- compartment
- support
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Classifications
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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
The invention discloses one kind to have super wide-tread railcar, comprising: compartment is expanded letter structure；Support construction is arranged by car bottom symmetrical expression in the compartment two sides；Wheel group is arranged in the support construction bottom, can travel along track；Bogie, it is arranged between the support construction and the wheel group, with monocoque construction, wheel group is located on the outside of vehicle body, and using expanded letter vehicle body, the stability of vehicle is more preferable, it gives a kind of with super wide-tread railcar design method, the bending stiffness of support construction and the calculation formula of radius of wheel are given, reasonable in design, reproducibility is good.
Description
Technical field
The present invention relates to a kind of railcars, more particularly to one kind to have ultra-wide wheel with super wide-tread railcar and one kind
Away from railcar design method.
Background technique
The existing train in China is standard gauge (3105mm) track train.Ordinary train railway uses Ballast track, column
Weight is distributed on roadbed by the weight of vehicle by rail, sleeper, stone, to avoid roadbed damage.Track train runs on rail
On road, railway train body width is limited by standard gauge, and every row can only arrange 4 or 5 seats.High-speed rail railway is then big
Amount uses the non-fragment orbit of overhead viaduct type concrete integral channel bed, mostly uses elevated structure, is suitable for different environment, Qinghai-Tibet iron
Frozen soil layer is passed through just with such a structure in road.The railway being laid with using Viaduct Structure, it is possible to reduce to appropriation of land,
It is more advantageous to environmental protection, from the angle for further increasing land utilization ratio, the overhead non-fragment orbit railway set using double-row bridge mop
Structure is more suitable for using non-standard ultra-wide gauge track, arranges more positions to improve the width of vehicle body.
Summary of the invention
The present invention relates to a kind of ultra-wide wheelspan track train structures for being suitble to travel on ultra-wide track, have bearing-type vehicle
Body structure, using expanded letter vehicle body, wheel group is located on the outside of vehicle body, 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 design method, give amount of deflection,
The calculation formula of Line stiffness and turning radius, reasonable in design, reproducibility is good.
Technical solution provided by the invention are as follows:
One kind having super wide-tread railcar characterized by comprising
Compartment is expanded letter structure；
Support construction passes through the car bottom, and stretches out the compartment, and the extension of the support construction is symmetrical
It is arranged in the compartment two sides；
Joist, above the interior, the support construction, the support construction is riveted on describedly for setting
On plate-girder；
Wheel group is arranged in support construction extension bottom, and can be along rail running；
Bogie is arranged between the support construction and the wheel group.
Preferably, the support construction, comprising:
Support rib is steel bar framework structure, is used to support the inside support of structure；
Covering is wrapped on the outside of the support rib, for maintaining support construction shape, has support construction good
Air dynamic behaviour.
Preferably, the compartment material uses lightweight material.
Preferably, the bogie, comprising:
Framework；
Wheel pair, setting is in the framework bottom, for providing walking guiding.
Axle box, setting, to outside, for reducing frictional resistance, are changed and are rolled as translation in the wheel.
Single stage suspension device is spring suspension, is arranged at the top of the axle box, for buffering the vibration of axle box above section
It is dynamic, to mitigate running dynamic loading.
Preferably, further includes: body supporting device is the disk with mounting hole, is rotatably disposed in the branch
Support structure bottom links together the bogie with support construction.
It preferably, further include power device, comprising:
Brake rigging is the part that brake generates brake force.
Motor driver connects the wheel group, for converting electric energy into mechanical energy, is increased by reducing revolving speed
Torque, and the power of traction motor is transmitted to wheel pair.
It preferably, further include vibration absorber, one end connects the body supporting device, and the other end connects the framework
The upper surface of bottom.
Preferably, the vibration absorber is hydraulic buffer.
One kind having super wide-tread railcar design method, the calculation formula of the amount of deflection f and Line stiffness K of support construction
Are as follows:
Wherein, L is the broad gauge wheel tracks；P is the maximum load that support construction is born, and f is the maximum of support construction
Safe deformation displacement.E is elasticity modulus, and I is the moment of inertia in the section support construction xz.
Preferably, the radius of wheel calculation formula of the wide wheelspan railcar are as follows:
Wherein, u is broad gauge vehicle 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 support construction one end, and b is Axial Loads positional distance support construction
The distance of the other end；k1For front-wheel cornering stiffness；k2For rear-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 suitble to travel on ultra-wide track, has and holds
Load formula body structure, using expanded letter vehicle body, wheel group is located on the outside of vehicle body, and the stability of vehicle is more preferable, and load-carrying efficiency is higher.
The present invention, which provides one kind, has super wide-tread railcar design method, gives amount of deflection, Line stiffness and turning half
The calculation formula of diameter, reasonable in design, reproducibility is good.
Detailed description of the invention
Fig. 1 is the skeleton structure schematic diagram of the present invention with super wide-tread railcar.
Fig. 2 is the structural schematic diagram of the present invention with super wide-tread railcar.
Fig. 3 is the front view of the present invention with ultra-wide argument railcar.
Fig. 4 is the structural schematic diagram of support construction support rib of the present invention.
Fig. 5 is the structural schematic diagram of bogie of the present invention.
Fig. 6 is support construction Rigidity Calculation schematic diagram of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
As shown in Figure 1-3, provided by the invention have super wide-tread railcar, comprising: compartment 100, support construction
200, wheel group 300 and bogie 400 and joist 500.
Compartment 100 is expanded letter structure；Support construction 200 passes through 100 bottom of compartment, and stretches out compartment 100, supports
The extension 210 of structure 200 is symmetricly set on 100 two sides of compartment；Joist 500 is arranged inside compartment 100, support
200 top of structure, support construction 200 are riveted on the joist；Wheel group 300 is arranged in 200 bottom of support construction,
It can be travelled along track；Bogie 400 is arranged between support construction 200 and wheel group 300.
As shown in figure 4, support construction 200, comprising: support rib 220 is steel bar framework structure, is used to support structure 200
Inside support；Covering is wrapped in 220 outside of support rib, for maintaining support construction shape, has support construction 200
Good air dynamic behaviour.
As a preference, 100 material of compartment uses lightweight material.
As shown in figure 5, bogie 400, comprising: framework 410 is frame structure, the structure for fixing in bogie 400
Part, wheel is to 440, and setting is in 410 bottom of framework, for providing walking guiding；Axle box 450, setting are being taken turns to 440 outsides,
For reducing frictional resistance, changes and roll as translation；Single stage suspension device 420 is spring suspension, is arranged at 450 top of axle box,
To buffer the vibration of axle box above section；
Body supporting device 430 is the disk with mounting hole, is rotatably disposed in 200 bottom of support construction, will
Bogie links together with support construction；410 bottom of framework is provided with wheel group 300.
It preferably, further include power device, comprising:
Brake rigging is the part that brake generates brake force.
Motor driver connects the wheel group, for converting electric energy into mechanical energy, is increased by reducing revolving speed
Torque, and the power of traction motor is transmitted to wheel pair.
It in another embodiment, further include vibration absorber 460, one end connection body support device 200, other end connection
The upper surface of framework bottom, as a preference, vibration absorber 460 selects hydraulic buffer.
As shown in fig. 6, establishing three coordinate models during support structure designs, made with the plan of facing of support construction
For the calculation formula of xz plane wherein the amount of deflection f and Line stiffness K of the support construction are as follows:
Wherein, L is the broad gauge wheel tracks；P is the maximum load that support construction is born, and f is the maximum of support construction
Safe deformation displacement, E are elasticity modulus, and I is the moment of inertia in the section support construction xz.
The radius of wheel calculation formula of wide wheelspan railcar are as follows:
Wherein, u is broad gauge vehicle 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 support construction one end, and b is Axial Loads positional distance support construction
The distance of the other end；k1For front-wheel cornering stiffness；k2For rear-wheel cornering stiffness, μ is wheel coefficient of friction, and g is acceleration of gravity.
Wherein, the car body by standard gauge due to not limited, and every row's seat can arrange multiple seats, it is proposed that root
6,7,8,9 or 10 seats are set according to the every arrangement of seat grade.
Wherein, it is 9.5 meters that existing overhead two-way traffic, which is had a lot of social connections, and it is 12.75-13 meters that three-lane road, which is had a lot of social connections, can be according to overhead
Design respective rail, preferably 8.5 meters of track or so, 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 suitble to travel on ultra-wide track, has and holds
Load formula body structure, using expanded letter vehicle body, wheel group is located on the outside of vehicle body, and the stability of vehicle is more preferable, and load-carrying efficiency is higher, and
There is provided one kind has super wide-tread railcar design method, gives the calculation formula of amount of deflection, Line stiffness and turning radius, ties
Rationally, reproducibility is good for structure design.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (1)
1. a kind of railcar characterized by comprising
Compartment is expanded letter structure；
Support construction passes through the car bottom, and stretches out the compartment, and the extension of the support construction is symmetrical arranged
In the compartment two sides；
Joist, is fixed at the interior, the support construction top, and the support construction is riveted on describedly
On plate-girder；
Wheel group is arranged in support construction extension bottom, and can be along rail running；
Bogie is arranged between the support construction and the wheel group；
Wherein, the calculation formula of the amount of deflection f and Line stiffness K of the support construction are as follows:
Wherein, L is the wheelspan of railcar, and P is the maximum load that support construction is born, and f ' is the maximum safe deformation of support construction
Displacement, E are elasticity modulus, and I is the moment of inertia in the section support construction xz；
The radius of wheel calculation formula of the railcar are as follows:
Wherein, u is the max speed of railcar, and δ is steering locking angle, and L ' is the wheelbase of railcar, and κ is stability factor, and m is
Car body mass, a are the distance of Axial Loads positional distance support construction one end, and b is Axial Loads positional distance branch
The distance of the support structure other end, k1For front-wheel cornering stiffness；k2For rear-wheel cornering stiffness, μ is wheel coefficient of friction, and g adds for gravity
Speed.
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 CN106926854A (en) | 2017-07-07 |
| CN106926854B true 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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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532868B (en) * | 2017-09-22 | 2021-05-04 | 中车唐山机车车辆有限公司 | Micro-rail traffic system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4233908A (en) * | 1978-12-28 | 1980-11-18 | Omar Alejandro G | Construction of reactor-driven articulated trains with elevated tracks |
| RU2153430C1 (en) * | 1999-12-29 | 2000-07-27 | Государственное предприятие "Московский институт теплотехники" | Overhead transportation system |
| CN1663860A (en) * | 2004-03-02 | 2005-09-07 | 刘毅 | Side wheel type high-speed railway |
| CN201703378U (en) * | 2010-04-23 | 2011-01-12 | 崔星生 | Ultra-high speed railway |
| CN201736832U (en) * | 2010-01-08 | 2011-02-09 | 中联运(北京)立体快巴科技发展有限公司 | Elevated wide electric vehicle with getting on/off device and escaping device |
| CN104711908A (en) * | 2015-01-27 | 2015-06-17 | 大连理工大学 | Urban overhead road-cross wide bus system |
| CN105667527A (en) * | 2015-12-30 | 2016-06-15 | 唐山轨道客车有限责任公司 | Vehicle body for railway vehicle and railway vehicle |
| CN206623836U (en) * | 2017-03-28 | 2017-11-10 | 吉林大学 | One kind has super wide-tread railcar |
-
2017
- 2017-03-28 CN CN201710190561.6A patent/CN106926854B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4233908A (en) * | 1978-12-28 | 1980-11-18 | Omar Alejandro G | Construction of reactor-driven articulated trains with elevated tracks |
| RU2153430C1 (en) * | 1999-12-29 | 2000-07-27 | Государственное предприятие "Московский институт теплотехники" | Overhead transportation system |
| CN1663860A (en) * | 2004-03-02 | 2005-09-07 | 刘毅 | Side wheel type high-speed railway |
| CN201736832U (en) * | 2010-01-08 | 2011-02-09 | 中联运(北京)立体快巴科技发展有限公司 | Elevated wide electric vehicle with getting on/off device and escaping device |
| CN201703378U (en) * | 2010-04-23 | 2011-01-12 | 崔星生 | Ultra-high speed railway |
| CN104711908A (en) * | 2015-01-27 | 2015-06-17 | 大连理工大学 | Urban overhead road-cross wide bus system |
| CN105667527A (en) * | 2015-12-30 | 2016-06-15 | 唐山轨道客车有限责任公司 | Vehicle body for railway vehicle and railway vehicle |
| CN206623836U (en) * | 2017-03-28 | 2017-11-10 | 吉林大学 | One kind has super wide-tread railcar |
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| CN106926854A (en) | 2017-07-07 |
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