CN109868693A - A kind of design method of mountainous region meter-gage flexibility counter-rail apparatus - Google Patents
A kind of design method of mountainous region meter-gage flexibility counter-rail apparatus Download PDFInfo
- Publication number
- CN109868693A CN109868693A CN201910277250.2A CN201910277250A CN109868693A CN 109868693 A CN109868693 A CN 109868693A CN 201910277250 A CN201910277250 A CN 201910277250A CN 109868693 A CN109868693 A CN 109868693A
- Authority
- CN
- China
- Prior art keywords
- rail
- counter
- gage
- guard rail
- guard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses a kind of design methods of mountainous region meter-gage flexibility counter-rail apparatus, the setting size that can accurately determine spacing between the guard rail and the rail prevents EMU wheel in the derailing of mountainous region meter-gage and meter-gage and rack rails composite orbit railway and reduces curved section rail wear extension rail service life.
Description
Technical field
The present invention relates to field of track traffic, in particular to a kind of mountainous region meter-gage flexibility counter-rail apparatus and its design method.
Background technique
Mountainous region rail traffic is gone sightseeing railway as one kind, is widely used in the developed countries such as America and Europe, is had operably
Shape is complicated, speed is fast, safety, the features such as freight volume is big, climbing capacity is strong, and track mainly uses meter-gage and meter-gage to add the compound of rack rails
Track structure form.Currently, there is no relevant construction criteria and operation experience at home, since mountainous region rail traffic is mainly built
Under the MODEL OVER COMPLEX TOPOGRAPHYs such as high mountain, valley, the steep bank of steep cliff, there are a large amount of dangerously steep bridge, tunnel, Gao Ludi, sharp radius curve
And the high-risk track location such as long steep grade, EMU these high-risk rail runnings be easy because of sweep it is too small caused by EMU
Foreign steamer climbs (jump) rail, the EMU emergency braking of long steep grade location or traction failure and causes wheel suspension, EMU gear and tooth
Derailing, EMU caused by the factors such as rail apical tooth or rack gear breakage will generate great concurrent thing after derailing under Mountain Conditions
Therefore；The structural stability of mountainous region track is poor, track permanent way maintenance heavy workload；Curve track wheel-rail wear is serious, and rail uses
The time limit is short；Long steep grade location rail is easy to happen longitudinal creep；These conditions cause to the safety of mountainous region track circuit and
Maintenance proposes high requirement.
The rail of the standard gauges such as state's iron, urban track traffic and industrial railway is essentially adapted in existing guard rail equipment
Road is not suitable for the guard rail equipment of mountainous region meter-gage and meter-gage and rack rails composite orbit railway specially, due to meter-gage and standard gauge
Between difference, the design method of standard gauge guard rail equipment is not suitable in meter-gage, and the more track with small-radius curve in mountainous region are (just
Line least radius 200m) and heavy grade track (conventional railway the gradient regulation be not more than 35 ‰, mountainous region cogwheel railway ruling grade
‰) up to 125, condition is harsh, thus needs to design a kind of counter-rail apparatus suitable for mountainous region meter-gage.
Summary of the invention
It is an object of the invention to overcome the problems of in the prior art, i.e., existing guard rail equipment is not applicable in specially
In mountainous region meter-gage and the guard rail equipment of meter-gage and rack rails composite orbit railway, due to the difference between meter-gage and standard gauge, mark
Design method of the standard gauge away from guard rail equipment is not suitable in meter-gage, and the more track with small-radius curve in mountainous region and heavy grade track, item
Part is harsh, thus needs to design a kind of counter-rail apparatus suitable for mountainous region meter-gage and make up above-mentioned deficiency, provides a kind of mountainous region meter-gage
Flexible counter-rail apparatus and its design method.
In order to achieve the above-mentioned object of the invention, the present invention provides following technical schemes:
A kind of design method of mountainous region meter-gage flexibility counter-rail apparatus, the counter-rail apparatus includes guard rail, and the guard rail is located at
On the inside of rail, the distance between the guard rail and the rail X are determined by following equation:
Wherein, designed distance of the X between the guard rail and the rail,Between the guard rail and the rail away from
From average value, S is the gauge between two rail, and T is distance between backs of wheel flanges, and d is that wheel rim is thick, and σ is mean square deviation, and N is to protect
Coefficient is demonstrate,proved, Δ S is slacking of gauge value.
Gauge S, distance between backs of wheel flanges T, wheel rim thickness d and other wheels in mountainous region meter-gage traffic and standard gauge between two rail
Rail parameter is all different, therefore the distance between guard rail and rail calculation method of X are different.Mountainous region meter-gage flexibility counter-rail apparatus
Guard rail and rail between designed distance X be wheel track parameter gauge according under different track locations and different condition
S, the average value of distance between guard rail and rail is calculated in distance between backs of wheel flanges T, wheel rim thickness dPrinciple of Statistics is used simultaneously
Mean square deviation calculating analyze bias, and then difference is chosen in functional requirement needed for being laid with location again with specific flexible guard rail
Assurance coefficient N accurately calculate the design value of this section of X value；The distance between primary standard gauge guard rail and rail X are mainly with song
Trajectory is research object, and by the sweep R to track circuit, the conditions such as speed V carry out calculating analysis, then will calculate
As a result the inaccurate value range obtained in conjunction with the parameters revision that test obtains, this method are not appropriate for straight line location
It calculates.The design method of mountainous region meter-gage flexibility counter-rail apparatus is applicable in straight line and curve track, calculated guard rail and rail
The distance between X value it is more accurate, therefore use a kind of design side of mountainous region meter-gage flexibility counter-rail apparatus of the present invention
Method can accurately determine the setting size of spacing between the guard rail and the rail, prevent EMU wheel in mountainous region meter-gage and
The derailing of meter-gage and rack rails composite orbit railway and reduction curved section rail wear extend rail service life.
Preferably, the X at locations such as bridge, Gao Ludi, long steep grade, major long tunnels is arranged in the counter-rail apparatus
Value setting it is larger, the counter-rail apparatus primarily serves derailing function, under the conditions of nominal situation EMU wheel not with it is described
Counter-rail apparatus is in contact, and is only in damage condition in EMU wheel, EMU wheel occurs and climb up rail
Trend when, EMU car wheel rim back will be in contact with the counter-rail apparatus, the counter-rail apparatus shares a part of motor-car
Group wheel acts on the cross force of rail, makes the reduction of wheel derailment coefficient, while the counter-rail apparatus guides damage
Wheel is restored to normal running track, plays the function of preventing EMU wheel from derailing.
Preferably, the counter-rail apparatus is arranged at sharp radius curve location, and the value setting of the X is smaller, plays improvement
Wheel track stress condition extends the service life of rail described in curved section, the function of preventing EMU wheel from derailing, EMU
When by installing flexible guard rail location, under nominal situation EMU car wheel rim back must (or substantially) will be with the guard rail
The appropriate flexible contact of device working edge makes the counter-rail apparatus share the cross force that a part of EMU car wheel acts on rail,
To reduce the cross force that EMU car wheel acts on sharp radius curve foreign stock rail, while EMU wheel is by foreign stock rail
Under the power effect for reacting on EMU wheel with the counter-rail apparatus, EMU wheel guiding force is become by original single guiding force
Reduce EMU wheel to curve foreign stock rail so that EMU wheel is more smoothly by curve turns for double guiding forces
Wheel-rail impact angle, EMU wheel, which reduces the cross force of curve foreign stock rail and wheel-rail impact angle, to be conducive to mitigate extra curvature
Stock rail wear, extends the service life of curve foreign stock rail, while the counter-rail apparatus constrains EMU wheel, makes motor-car
Group wheel presses normal running track direction running, prevents EMU wheel derailment therefore, the counter-rail apparatus can be effective
The service life for extending curved section rail, prevent EMU wheel derailment.
Preferably, at two supports of the connection guard rail being disposed adjacent, the error of the value of two X be 0- ±
5mm。
Preferably, the distance Y that the rail surface is higher than at the top of the guard rail upper limb is determined by following equation:
Wherein, Y is the designed distance for being higher than the rail surface at the top of the guard rail upper limb, H1For having for the guard rail derailing
Effect height, h are wheel rim height, and △ h is the vertical abrasion of the rail, and △ s is the vertical abrasion of wheel tread, H2It is limited
Boundary requires peak.
It is higher than the designed distance Y of rail surface at the top of the meter-gage flexibility counter-rail apparatus guard rail upper limb of mountainous region according to different
The effective height H of guard rail derailing under track location and different condition1, wheel rim height h, rail vertical abrasion △ h, vehicle
The vertical abrasion △ s calculating of wheel tread acquires, and the distance Y for being higher than rail surface at the top of primary standard gauge guard rail upper limb does not have correlation
Calculation method, only uniformly give a 10mm numerical value.Using a kind of mountainous region meter-gage flexibility counter-rail apparatus of the present invention
The Y value that acquires of design method it is more reasonable.
Using the counter-rail apparatus, guard rail working edge upper limb is higher by rail surface Y, when EMU wheel occur off-load (or
Suspend) when climbing (jump) rail of operating condition generation, the height that EMU wheel climbs (or jump) rail must be more than the effective height of flexible guard rail
H1It is possible to derail, the derailing studied at present is not above H1Such case occurs, therefore being capable of effective anti-stop
Vehicle group wheel climbs the generation of (or jump) rail off-line accident.
The present invention also provides a kind of mountainous region meter-gage flexibility counter-rail apparatus, using the mountainous region meter-gage as described in any of the above item
The design method of flexible counter-rail apparatus manufactures and designs, including several supports, and each support is cantilever structural member, Mei Gesuo
It states support one end and connects the rail, the other end connects the guard rail.
The distance between the guard rail and the rail X are set according to big (section of entering the orbit) → small (fixed section) → big (derailed section)
It sets.
Using a kind of mountainous region meter-gage flexibility counter-rail apparatus of the present invention, the guard rail and the rail can be accurately determined
Between spacing setting size, prevent EMU in the derailing of mountainous region meter-gage and meter-gage and rack rails composite orbit railway, reduce bent
Line segment rail wear extends rail service life, enhances track structure stability, reduces track permanent way maintenance workload, the guard rail
Apparatus structure is simple, easy for installation, works well.
Preferably, which further includes several pressing plates, each corresponding support of the pressing plate, Mei Gesuo
It states follower bolt and connects the corresponding support, the support is connected on the rail.
Preferably, insulating trip is equipped between the support and the rail, between the pressing plate and the rail.
Preferably, rubber bush is equipped between the guard rail and the support.
Using this structure setting, the rubber bush can make described when wheel rim is carried on the back and contacted with the guard rail
Guard rail has the function of buffering, buffers wheel under unfavorable working condition to the impact load of the guard rail, consumes a part of vehicle
The impact failure energy for taking turns the rail described in the other side, extends the service life of the guard rail and the rail.
Preferably, the grade thickness of two working faces is different before and after the rubber bush, convenient for the adjustment of the value of the X.
Preferably, the support is bolted in the guard rail.
Preferably, the support side is equipped with vibration isolator.
Preferably, the distance between the guard rail and the rail X are 43-75mm.
Preferably, on long steep grade track, sleeper installation settings is close in the support side, prevents the rail longitudinal
It creeps.
Preferably, on the tracks such as elevated bridge, sharp radius curve, Gao Ludi, major long tunnel, the support installation settings
Between two neighboring sleeper.
Preferably, after the counter-rail apparatus installation, track structure is to constitute frame by two rail and the counter-rail apparatus
Structure, before not installing the counter-rail apparatus, track structure is mainly the frame structure being made of two rail, installs the guard rail
After device, track structure provides the ability raising 41.4% for resisting track transversely deforming, is equivalent to and improves the rigid of track structure
Degree, enhances track structure stability, to reduce destruction of the EMU to track, reduces the maintenance and dimension of the business of track work
Repair workload.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, with a kind of design method of mountainous region meter-gage flexibility counter-rail apparatus of the present invention, can accurately determine the guard rail with
The setting size of spacing between the rail prevents EMU wheel in mountainous region meter-gage and meter-gage and rack rails composite orbit railway
Derailing and reduction curved section rail wear extend rail service life；
2, with a kind of design method of mountainous region meter-gage flexibility counter-rail apparatus of the present invention, the counter-rail apparatus is arranged in bridge
When the locations such as beam, Gao Ludi, long steep grade, major long tunnel, the setting of the value of the X is larger, play prevent train groups wheel derailment,
Enhance track structure stability and reduces the effect of track permanent way maintenance workload；
3, with a kind of design method of mountainous region meter-gage flexibility counter-rail apparatus of the present invention, the counter-rail apparatus is arranged small
When radius curve location, the value setting of the X is smaller, and playing improves wheel track stress condition, extends making for rail described in curved section
With the time limit, while it can also play and prevent train groups wheel derailment, enhancing track structure stability and reduce track permanent way maintenance work
The effect that work is measured；
4, with a kind of design method of mountainous region meter-gage flexibility counter-rail apparatus of the present invention, primary standard gauge guard rail upper limb top
The distance Y that portion is higher than rail surface does not have relevant calculation method, only uniformly gives a 10mm numerical value.Using institute of the present invention
The Y value that a kind of design method for the mountainous region meter-gage flexibility counter-rail apparatus stated acquires is more reasonable；
5, with a kind of mountainous region meter-gage flexibility counter-rail apparatus of the present invention, can accurately determine the guard rail and the rail it
Between spacing setting size, prevent EMU in the derailing of mountainous region meter-gage and meter-gage and rack rails composite orbit railway, reduce curve
Section rail wear extends rail service life, enhances track structure stability, reduces track permanent way maintenance workload, guard rail dress
It is simple to set structure, it is easy for installation, it works well；
6, with a kind of mountainous region meter-gage flexibility counter-rail apparatus of the present invention, rubber is equipped between the guard rail and the support
Sleeve, using this structure setting, the rubber bush can make the guard rail when wheel rim is carried on the back and contacted with the guard rail
Have the function of buffering, buffers wheel under unfavorable working condition to the impact load of the guard rail, consume a part of wheel pair
The impact failure energy of rail described in the other side, extends the service life of the guard rail and the rail；
7, with a kind of mountainous region meter-gage flexibility counter-rail apparatus of the present invention, the grade of two working faces of the rubber bush front and back
Thickness is different, convenient for the adjustment of the value of the X.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of mountainous region meter-gage flexibility counter-rail apparatus of the present invention；
Fig. 2 is the partial enlarged view of Fig. 1；
Fig. 3 is the structural schematic diagram of the support；
Fig. 4 is the structural schematic diagram of the rubber bush；
Fig. 5 is the planar structure schematic diagram that the support is bonded sleeper setting；
Fig. 6 is the planar structure schematic diagram that the support is set between two sleepers.
Marked in the figure: 1- guard rail, 2- rail, 3- support, 4- pressing plate, 5- insulating trip, 6- rubber bush, 7- vibration isolator, 8-
Sleeper, 9- rack rails.
Specific embodiment
Below with reference to test example and specific embodiment, the present invention is described in further detail.But this should not be understood
It is all that this is belonged to based on the technology that the content of present invention is realized for the scope of the above subject matter of the present invention is limited to the following embodiments
The range of invention.
Embodiment 1
As shown in figures 1 to 6, the design method of a kind of mountainous region meter-gage flexibility counter-rail apparatus of the present invention, the counter-rail apparatus
Including guard rail 1, the guard rail 1 is located at 2 inside of rail, the distance between the guard rail 1 and the rail 2 X and the guard rail 1
The distance Y for being higher than 2 top surface of rail at the top of upper limb is determined by following equation respectively:
Wherein, designed distance of the X between the guard rail 1 and the rail 2,Between the guard rail 1 and the rail 2
Distance average value, S is the gauge between two rail 2, and T is distance between backs of wheel flanges, and d is that wheel rim is thick, and σ is mean square deviation,
N is assurance coefficient, and Δ S is slacking of gauge value, and Y is the designed distance for being higher than 2 top surface of rail at the top of 1 upper limb of guard rail,
H1For the effective height of 1 derailing of guard rail, h is wheel rim height, and Δ h is the vertical abrasion of the rail 2, and Δ s is
The vertical abrasion of wheel tread, H2Peak is required for limit；At two supports 3 of the connection guard rail 1 being disposed adjacent,
The error of the value of two X is 0- ± 5mm.
As a preferred embodiment of the present embodiment, the counter-rail apparatus is arranged in bridge, Gao Ludi, long steep grade, length
When the locations such as big tunnel, the value setting of the X is larger, and playing prevents train groups wheel derailment and enhance track structure stability
Effect.
As a preferred embodiment of the present embodiment, the counter-rail apparatus is arranged at sharp radius curve location, the X's
Value setting is smaller, and playing improves wheel track stress condition, extends the service life of rail 2 described in curved section, while can also play anti-
The only effect of train groups wheel derailment and enhancing track structure stability.
With a kind of design method of mountainous region meter-gage flexibility counter-rail apparatus of the present invention, the guard rail can be accurately determined
The setting size of spacing between 1 and the rail 2 enhances track structure stability, prevents train groups in mountainous region meter-gage and meter-gage
With the derailing of rack rails composite orbit railway.
Embodiment 2
As shown in figures 1 to 6, a kind of mountainous region meter-gage flexibility counter-rail apparatus of the present invention, using mountainous region as described in Example 1
The design method of meter-gage flexibility counter-rail apparatus manufactures and designs.
The counter-rail apparatus includes several supports 3 and several pressing plates 4, and each support 3 is cantilever structural member, each
The corresponding support 3 of the pressing plate 4, each pressing plate 4 are bolted the corresponding support 3, the support 3 are blocked
It is connected on the rail 2, is equipped with insulating trip between the support 3 and the rail 2, between the pressing plate 4 and the rail 2
5, the rail 2 is arranged on sleeper 8, and rack rails 9 is equipped in the middle part of the sleeper 8.
The guard rail 1 is bolted to the cantilever end of each support 3, between the guard rail 1 and the support 3
Equipped with rubber bush 6, as shown in figure 5, the grade thickness of 6 two working faces of front and back of the rubber bush is different, convenient for the value of the X
Adjustment, using this structure setting, the rubber bush 6 can make described when wheel rim is carried on the back and contacted with the guard rail 1
Guard rail 1 has the function of buffering, buffers wheel under unfavorable working condition to the impact load of the guard rail 1, consumption a part
The impact failure energy of wheel rail 2 described in the other side, extends the service life of the guard rail 1 and the rail 2.
The distance between the guard rail 1 and the rail 2 X are according to big (section of entering the orbit) → small (fixed section) → big (derailed section)
Setting, the distance between the guard rail 1 and the rail 2 X are 43-75mm, are connected between two guard rails 1 using fish platee
It connects.
3 side of support is equipped with vibration isolator 7；As shown in figure 5,3 side of support is tight on long steep grade track
8 installation settings of sleeper is pasted, prevents the rail 2 is longitudinal from creeping；As shown in fig. 6, in elevated bridge, sharp radius curve, Gao Lu
On the tracks such as dike, major long tunnel, 3 installation settings of support is between two neighboring sleeper 8.
With a kind of mountainous region meter-gage flexibility counter-rail apparatus of the present invention, the guard rail 1 and the steel can be accurately determined
The setting size of spacing between rail 2 enhances track structure stability, prevents train groups compound in mountainous region meter-gage and meter-gage and rack rails
The derailing of track railway, the counter-rail apparatus structure is simple, easy for installation, works well.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (5)
1. a kind of design method of mountainous region meter-gage flexibility counter-rail apparatus, which is characterized in that the counter-rail apparatus includes guard rail (1),
The guard rail (1) is located on the inside of rail (2), and the distance between the guard rail (1) and the rail (2) X are true by following equation
It is fixed:
Wherein, designed distance of the X between the guard rail (1) and the rail (2),For the guard rail (1) and the rail
The distance between (2) average value, S are the gauge between two rail (2), and T is distance between backs of wheel flanges, and d is that wheel rim is thick, σ
For mean square deviation, N is assurance coefficient, and △ S is slacking of gauge value.
2. design method according to claim 1, which is characterized in that the counter-rail apparatus is arranged in bridge, Gao Ludi, length
When the locations such as steep gradient, major long tunnel, the value setting of the X is larger.
3. design method according to claim 1, which is characterized in that the counter-rail apparatus is arranged in sharp radius curve location
When, the value setting of the X is smaller.
4. design method according to claim 1, which is characterized in that two of the connection the being disposed adjacent guard rail (1)
At support (3), the error of the value of two X is 0- ± 5mm.
5. design method according to claim 1-4, which is characterized in that be higher than at the top of guard rail (1) upper limb
The distance Y of rail (2) top surface is determined by following equation:
Wherein, Y is the designed distance for being higher than the rail (2) top surface at the top of the guard rail (1) upper limb, H1It is anti-for the guard rail (1)
The effective height of derailing, h are wheel rim height, and △ h is the vertical abrasion of the rail (2), and △ s is the vertical of wheel tread
Abrasion, H2Peak is required for limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910277250.2A CN109868693B (en) | 2019-04-08 | 2019-04-08 | Design method of flexible guard rail device for mountain rice rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910277250.2A CN109868693B (en) | 2019-04-08 | 2019-04-08 | Design method of flexible guard rail device for mountain rice rail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109868693A true CN109868693A (en) | 2019-06-11 |
| CN109868693B CN109868693B (en) | 2020-06-09 |
Family
ID=66922237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910277250.2A Active CN109868693B (en) | 2019-04-08 | 2019-04-08 | Design method of flexible guard rail device for mountain rice rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109868693B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733636A (en) * | 2020-06-12 | 2020-10-02 | 山东莱钢磁浮列车轨道工程有限公司 | Installation method of multi-track system |
| CN112941984A (en) * | 2021-02-05 | 2021-06-11 | 中铁二院工程集团有限责任公司 | Low-abrasion tooth track transition auxiliary device for tooth track traffic |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2823310Y (en) * | 2005-05-09 | 2006-10-04 | 李仲才 | Elastic wear-reducing separation proof rail protector |
| CN2915915Y (en) * | 2006-05-26 | 2007-06-27 | 王凤林 | Safety protector for use in running of train |
| US20110204153A1 (en) * | 2010-02-22 | 2011-08-25 | Progress Rail Services Corp. | Track system including a guardrail |
| CN203684006U (en) * | 2014-02-12 | 2014-07-02 | 成都铁科利安轨道交通科技有限公司 | Novel urban railway guard rail device |
| KR101588228B1 (en) * | 2013-06-12 | 2016-01-25 | 영중산업 주식회사 | Derailment prevention apparatus for railway vehicles |
-
2019
- 2019-04-08 CN CN201910277250.2A patent/CN109868693B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2823310Y (en) * | 2005-05-09 | 2006-10-04 | 李仲才 | Elastic wear-reducing separation proof rail protector |
| CN2915915Y (en) * | 2006-05-26 | 2007-06-27 | 王凤林 | Safety protector for use in running of train |
| US20110204153A1 (en) * | 2010-02-22 | 2011-08-25 | Progress Rail Services Corp. | Track system including a guardrail |
| KR101588228B1 (en) * | 2013-06-12 | 2016-01-25 | 영중산업 주식회사 | Derailment prevention apparatus for railway vehicles |
| CN203684006U (en) * | 2014-02-12 | 2014-07-02 | 成都铁科利安轨道交通科技有限公司 | Novel urban railway guard rail device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111733636A (en) * | 2020-06-12 | 2020-10-02 | 山东莱钢磁浮列车轨道工程有限公司 | Installation method of multi-track system |
| CN112941984A (en) * | 2021-02-05 | 2021-06-11 | 中铁二院工程集团有限责任公司 | Low-abrasion tooth track transition auxiliary device for tooth track traffic |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109868693B (en) | 2020-06-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Elkins et al. | Testing and analysis techniques for safety assessment of rail vehicles: the state-of-the-art | |
| CN204472813U (en) | A kind of low floor tramway train bogie truck electromagnetic rail brake fixed sturcture | |
| CN108595852B (en) | Analysis and optimization method for longitudinal force of bridge pier abutment of heavy haul railway bridge | |
| CN109868693A (en) | A kind of design method of mountainous region meter-gage flexibility counter-rail apparatus | |
| CN202164510U (en) | Railway anti-derailment guardrail for running hot metal ladle car | |
| CN103790080B (en) | City rail wheel guard rail device and installation method thereof | |
| CN201427587Y (en) | Railway train derailment slipping and overturning preventive guide baffle mechanism | |
| CN109763419A (en) | A kind of connection structure of novel suspension type monorail bridge pier and track girder | |
| López-Pita et al. | Evolution of track geometric quality in high-speed lines: Ten years experience of the Madrid-Seville line | |
| CN109868692A (en) | A kind of design method of railway flexibility counter-rail apparatus | |
| CN101255673A (en) | Double-rail-head steel rail and composed double-rail track | |
| CN107264575A (en) | The detection method of track flatness | |
| CN210013063U (en) | Railway flexible guard rail device | |
| CN203684006U (en) | Novel urban railway guard rail device | |
| CN210684340U (en) | Y-shaped steel sleeper capable of being used for toothed rail line | |
| CN210013064U (en) | Flexible guard rail device of mountain region meter rail | |
| Cherkashin et al. | An overview of rolling stock and track monitoring systems and guidelines to provide safety of heavy and long train operation in the Russian Railways | |
| Brabie et al. | On minimizing derailment risks and consequences for passenger trains at higher speeds | |
| CN209703284U (en) | The connection structure and pier beam construction of novel suspension type monorail bridge pier and track girder | |
| CN103318186B (en) | Braking method based on railway loading siding | |
| CN104129405A (en) | Track rigidity fast measuring method based on steel track deformation speed | |
| Simson et al. | Wheel Wear Losses From Bogie Rotation Resistance: Effects of Cant and Speed | |
| CN216809390U (en) | Steel switch tie transverse resistance reinforcing structure | |
| ANDERSSON et al. | Lateral track forces at high speed curving comparisons of practical and theoretical results of Swedish high speed train x2000 | |
| CN209703283U (en) | A kind of tensile connecting structure of novel suspension type monorail bridge pier and track girder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |