CN109367559A - A kind of the D structure rail changing device and application method of straddle-type monorail - Google Patents
A kind of the D structure rail changing device and application method of straddle-type monorail Download PDFInfo
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- CN109367559A CN109367559A CN201811512569.0A CN201811512569A CN109367559A CN 109367559 A CN109367559 A CN 109367559A CN 201811512569 A CN201811512569 A CN 201811512569A CN 109367559 A CN109367559 A CN 109367559A
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- rail
- railcar
- wheel
- line track
- changing device
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000010276 construction Methods 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 239000011150 reinforced concrete Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
- B61F7/00—Rail vehicles equipped for use on tracks of different width
-
- 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
-
- 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
- B61F9/00—Rail vehicles characterised by means for preventing derailing, e.g. by use of guide wheels
Abstract
The present invention relates to the D structure rail changing devices and application method of a kind of straddle-type monorail, vehicle-mounted change rail mechanism including a pair of guide rails being set in support construction and for being mounted on railcar lower part, parallel to the ground and discontinuous main line track beam is provided between a pair of guide rails, side line track girder is provided on the downside of main line track beam, the rear end of the side line track girder is provided with the extension tilted upward, and the extension is connected with the front end for the main line track beam for being located at back side top.The D structure rail changing device of the straddle-type monorail is compact-sized, advantageously reduces design and construction cost, uses simplicity.
Description
Technical field
The present invention relates to the D structure rail changing devices and application method of a kind of straddle-type monorail.
Background technique
With the development of rail traffic science and technology, monorail system starts to show up prominently.The urban development in China is faced at present
Car ownership is too big, urban highway traffic usable floor area deficiency problem, and construction urban track traffic is to solve the problems, such as this
Ideal method.Urban track traffic can be divided into underground rail system (subway) and ground rail system (light rail).Underground rail system
System has the characteristics that high freight volume, but its cost is high, and long in time limit, flexibility is poor, is not suitable for largely being built in the region CBD.And with work
Phase is short, low cost, take up little area, the ground rail traffic that turning radius is small, energy-saving mute is advantage can flexibly shuttle in the area CBD
Building between, the commuting that is usually used in the region CBD.Straddle-type monorail is one of ground rail traffic, cost, work
Phase, difficulty of construction, safety and occupied area are all optimal in all ground rail traffic.However straddle-type list is limited at present
It is rail changing device that rail, which develops maximum obstacle,.Structure is complicated for traditional straddle-type monorail joint turnout railway switch, completes one
Entire guide rail is moved on another station track by secondary turn-out track needs, is taken around 10 seconds and is completed.Due to Straddle type monorail contact structures
It is special, do not occur the vehicle-mounted change rail device applied to straddle-type monorail also at present.
PRT(people's rapid transit system) enter 21 century after be increasingly becoming rail traffic development Main way it
One.Follow the mandate of heaven on Garden Exposition in South Korea in 2013, the global sight of a set of PRT system attractive that South Korea cooperates with Sweden, PRT
" point-to-point is through " of system, high density, high-comfort feature some apparent advantages in future transportation development.At present
Orbit form used by PRT system mainly has suspension type monorail and rubber tire light rail, or the guide rail (Britain of similar automobile
Heathrow airport PRT).Since PRT system needs high vehicle density operation, so requiring time headway very little (at least below 5
Second), in order at track switch shunting and interflow.According to current technology, 10 seconds switching times of straddle-type monorail are unable to satisfy
The design requirement of PRT system, so using straddle-type monorail as track currently without PRT system.
Summary of the invention
The purpose of the present invention is to provide the D structure rail changing device and application method of a kind of straddle-type monorail, structure is tight
It gathers, advantageously reduces design and construction cost.
Technical program of the present invention lies in: a kind of D structure rail changing device of straddle-type monorail, including it is set to support
A pair of guide rails in structure and the vehicle-mounted change rail mechanism for being mounted on railcar lower part, be provided between a pair of guide rails with
Ground is parallel and discontinuous main line track beam, and side line track girder, the side line rail are provided on the downside of main line track beam
The rear end of road beam is provided with the extension tilted upward, the front end phase of the extension and the main line track beam for being located at back side top
Connection.
Further, the vehicle-mounted change rail mechanism includes travelling wheel for contacting and main line track beam or side line track girder
The bogie of upper side, the front and back side of the bogie both sides, which is respectively arranged with, is total to axle with travelling wheel and for connecing with guide rail
The guide wheel of touching is provided with the regulating mechanism for guide wheel axial shrinkage on bogie, and the two sides of bogie lower part are respectively arranged with
A pair is for contacting the steady wheel with main line track beam or side line track beam sides.
Further, the bogie is no bolster single-axle bogie, and the regulating mechanism includes being nested on the outside of axle
The cylindrical telescopic bar at end is provided in the telescopic rod and controls its flexible hydraulic system.
Further, the supporting mechanism includes spaced reinforced concrete support column, is located at armored concrete branch
The upper end of dagger is provided with sole-plate, and the main line track beam or side line track girder are set on sole-plate, the track
The both sides of bottom plate are respectively arranged with the steel truss for being used to support track.
Further, the guide rail is rail, and the apical side height of guide rail is that the apical side height of main line track beam adds 150mm.
Further, the side line track girder extension gradient is 10%, and the extension of side line track girder is as uniline descending
When be provided with damper.
Further, the main line track beam and side line track girder are respectively reinforced concrete rectangular track girder.
A kind of application method of the D structure rail changing device applied to straddle-type monorail, comprising the following steps:
1) when railcar needs to shunt by track switch, when target is into main track:
1.1) before entering rail changing device, railcar makes guide wheel be in stretching state using regulating mechanism, makes guide wheel lower end and leads
Rail upper surface is parallel, the inside parallel in the wheel rim outside and guide rail of guide wheel；
1.2) railcar enters rail changing device, the guide wheel and guide rail contact of two sides, and moves forwards a distance, guarantees guide wheel all
Normal contact guide rail；
1.3) railcar changes by guide wheel and guide rail as supporting, with the gradient of side line track girder extension, the traveling of railcar
Wheel, directive wheel and steady wheel are lifted away from side line track girder extension, and the guide wheel and guide rail of railcar are sole support；
1.4) railcar driving guide wheel proceeds to the starting point of main line track beam end, travelling wheel, directive wheel and steady wheel
Again contact track beam；
1.5) then railcar is supported by main line track beam, and guide rail terminates, and guide wheel is detached from guide rail, and railcar is driven out to rail changing device,
The resetting of guide wheel state, waits and enters next group of rail changing device；
2) when railcar needs to shunt by track switch, when target is into side line:
2.1) before entering rail changing device, railcar makes the guide wheel positioned at car body outer wall be in collapsed state by regulating mechanism,
Make to keep certain distance with the inside of guide rail on the outside of the wheel rim of guide wheel；
2.2) railcar enters rail changing device, two side guide wheels not with guide rail contact；
2.3) railcar continues the extension by side line track girder as support, with the gradient of extension, the traveling of railcar
Wheel, directive wheel and steady wheel are still attached to extension operation；
2.4) railcar continues to run along extension gradient, simultaneously closes off power；The generation resistance of travelling wheel and damper, control
Car speed；After operation to the side line terminal of side line track girder no longer gradient, railcar is driven out to rail changing device, guide wheel state weight
It sets, waits and enter next group of rail changing device；
3) when railcar needs to collaborate by track switch, when entering via main track, function mode is identical as step 1)；
4) when railcar needs to collaborate by track switch, when entering via side line, the difference of function mode and step 2 is: uniline
The extension of the side line track of upward slope does not arrange that damper, vehicle need out sufficient power to complete to go up a slope.
Compared with prior art, the invention has the following advantages that can realize that the vehicle-mounted rail changing device of straddle-type monorail becomes
Rail, solve straddle-type monorail since track with the structure problem of vehicle causes track switch main track to conflict with side line route so that
The problem of track switch (rail changing device) switching times are long, construction is complicated, plane takes up a large area.Using novel on-vehicle rail changing device generation
For traditional joint type railway switch, 10 seconds or so originally switching times can be cancelled, become rail efficiency to improve, so that straddle-type list
The change rail efficiency of rail significantly improves, and shortens the time headway of straddle-type monorail railcar with this, improves vehicle density.With two-way
Current ability, but be under normal circumstances one-way trip.This purpose limited improves transport preferably to carry out transportation management
Quality.(such as encountering the closing of emergency case other direction track) can also inversely pass through if necessary.Straddle-type list is filled up
Rail can not design the blank of vehicle-mounted rail changing device, so that the PRT system of high density operation is needed to could be used that low cost, construction
Fastly, the straddle-type monorail taken up little area is significant for the development in the field PRT as track.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the sectional view of the terminal point A-A of Fig. 1 of the invention；
Fig. 3 is the sectional view of the midpoint B-B of Fig. 1 of the invention；
Fig. 4 is the sectional view of the starting point C-C of Fig. 1 of the invention；
Fig. 5 is the vehicle-mounted structural schematic diagram for becoming rail mechanism of rail changing device of the invention；
Fig. 6 is the structural schematic diagram for the vehicle-mounted change rail mechanism that rail changing device guide wheel of the invention is in contraction state.
Specific embodiment
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and cooperate attached drawing, make detailed
It is carefully described as follows, but the present invention is not limited thereto.
Referring to figs. 1 to Fig. 6
A kind of D structure rail changing device of straddle-type monorail, including a pair of guide rails 10 being set in support construction and for pacifying
Vehicle-mounted change rail mechanism mounted in 1 lower part of railcar, is provided with parallel to the ground and discontinuous main track between a pair of guide rails
Track girder 11 is provided with side line track girder 12 on the downside of main line track beam, and the rear end of the side line track girder, which is provided with, inclines
Extension 13 obliquely, the rear end of the extension are connected with the front end for the main line track beam for being located at back side top.
In the present embodiment, the extension is set on the downside of adjacent two main line tracks beam discontinuous sections, the track
The overlap section that front and back end is respectively arranged with phase leading portion main line track beam and back segment main line track beam direction extends, so as to railcar
In trouble-free operation to main line track beam, and the stable rear disengaging guide rail on main line track beam.
In the present embodiment, the vehicle-mounted rail mechanism that becomes includes turning to for what is be connected with railcar lower part without bolster single shaft
Frame, the travelling wheel 21 of the bogie are used to contact the upper side with main line track beam or side line track girder, and the travelling wheel is set
It is placed in the front and rear part of bogie and quantity is 4.The front and back side of the bogie both sides, which is respectively arranged with, is total to vehicle with travelling wheel
Axis and for guide wheel 22 with guide rail contact, so that driving motor drives travelling wheel and guide wheel to rotate jointly promotion railcar simultaneously
Advance.The regulating mechanism for guide wheel axial shrinkage is provided on the bogie, the two sides of bogie lower part are respectively arranged with
A pair is for contacting the steady wheel 23 with main line track beam or side line track beam sides.
In the present embodiment, the guide wheel be radius be less than travelling wheel and radius be 150mm, width 80mm, flange thickness
For the steel wheel of 20mm, and number is 4.The front and back side of the bogie both sides is respectively set vertical pivot 24, on the vertical pivot on
Under be arranged at intervals with a pair of of steady wheel.
In the present embodiment, the outer rim of guide wheel and the outer wall of railcar are concordant when the guide wheel is packed up, guide wheel when guide wheel stretches out
The outer lateral extent track girder center 1120mm of wheel rim, the lower edge height of guide wheel is consistent with the upper height of guide rail.
In the present embodiment, the regulating mechanism includes the cylindrical telescopic bar for being nested in axle outboard end, the telescopic rod
It is inside provided with and controls its flexible hydraulic system, the structure of the telescopic rod is similar to used in Spain Talgo bullet train
The telescopic device of wheel spacing is adjusted in changeable identity.
In the present embodiment, the supporting mechanism includes spaced reinforced concrete support column 31, is located at reinforced concrete
The upper end of native support column is provided with sole-plate 32, and the main line track beam or side line track girder are set on sole-plate, institute
The both sides for stating sole-plate are respectively arranged with the steel truss 33 for being used to support track.When in the presence of the track girder for being more than two layers
When, two layers or more of track girder can use truss or box-structure and substructure supports, when specific design should with structure not with row
Vehicle area conflicts are principle.
In the present embodiment, distance of the top surface of main line track beam apart from upper one layer of track girder support construction bottom surface, which is equal to, is transported
The maximum distance of row railcar wheel bottom to roof adds 300mm.
In the present embodiment, it is the rail for meeting railroad building standard that the guide rail, which is material, the center line of a pair of guide rails with
The center line of track girder (main line track beam or side line track girder) is overlapped, and track width adds for institute's running track vehicle maximum vehicle width
240mm, the apical side height of guide rail are that the apical side height of main line track beam adds 150mm.The guide rail is only arranged in main line track beam
Two sides are not arranged in side line part.Guide rail is generally straight line, and is not provided with the gradient, settable under special circumstances to be no more than 2%
The ramp of the gradient.
In the present embodiment, according to GB 50458-2008 " cross-saddle single-track traffic design specification ", the track of straddle-type monorail
The gradient should be less than 6%.But the specification is mainly applicable in middle freight volume straddle-type monorail transportation system.Due to the present invention mainly apply to it is low
In the PRT system of freight volume, railcar body is smaller, and car body is lighter, and center of gravity is lower, therefore adjusts in original specification, the side
The trajectory beam extension gradient is 10%.In order to avoid safety problem, the gradient is belonged in above-mentioned track and is more than 6% and is under uniline
The track on slope, therefore when extension of side line track girder is as uniline descending is provided with damper, the track that uniline goes up a slope not
It arranges.
In the present embodiment, above-mentioned damper structure is similar to the liquid in railway large-scale marshalling yard for making to slip the deceleration of peak compartment
Damper is pressed, like product can be selected, do not introduce separately herein.
In the present embodiment, the main line track beam and side line track girder are respectively the reinforcing bar that section is 850mm × 1500mm
Concrete rectangular track girder.
A kind of application method of the D structure rail changing device applied to straddle-type monorail, comprising the following steps:
1) when railcar needs to shunt by track switch, when target is into main track:
1.1) before entering rail changing device, railcar makes guide wheel be in stretching state using regulating mechanism, makes guide wheel lower end and leads
Rail upper surface is parallel (at this time not in contact with), the inside parallel on the outside of the wheel rim of guide wheel with guide rail；
1.2) railcar enters rail changing device, the guide wheel and guide rail contact of two sides, and moves forwards a distance, guarantees guide wheel all
Normal contact guide rail；
1.3) railcar changes by guide wheel and guide rail as supporting, with the gradient of side line track girder extension, the traveling of railcar
Wheel, directive wheel and steady wheel are lifted away from side line track girder extension, and the guide wheel and guide rail of railcar are sole support；
1.4) the electricity driving guide wheel that railcar is provided by vehicle-mounted capacitor proceeds to the starting of main line track beam end
Point, travelling wheel, directive wheel and steady wheel contact track beam again；
1.5) then railcar is supported by main line track beam, and guide rail terminates, and guide wheel is detached from guide rail, and railcar is driven out to rail changing device,
The resetting of guide wheel state, waits and enters next group of rail changing device；
2) when railcar needs to shunt by track switch, when target is into side line:
2.1) before entering rail changing device, railcar makes the guide wheel positioned at car body outer wall be in collapsed state by regulating mechanism,
Make to keep certain distance with the inside of guide rail on the outside of the wheel rim of guide wheel；
2.2) railcar enters rail changing device, two side guide wheels not with guide rail contact；
2.3) railcar continues the extension by side line track girder as support, with the gradient of extension, the traveling of railcar
Wheel, directive wheel and steady wheel are still attached to extension operation；
2.4) railcar continues to run along extension gradient, simultaneously closes off power；The generation resistance of travelling wheel and damper, control
Car speed；After operation to the side line terminal of side line track girder no longer gradient, railcar is driven out to rail changing device, guide wheel state weight
It sets, waits and enter next group of rail changing device；
3) when railcar needs to collaborate by track switch, when entering via main track, function mode is identical as step 1)；
4) when railcar needs to collaborate by track switch, when entering via side line, function mode is similar to step 2, and difference is:
The extension for the side line track that uniline goes up a slope does not arrange that damper, vehicle need out sufficient power to complete to go up a slope, remaining function mode
It is identical as the function mode of step 2.
The foregoing is merely presently preferred embodiments of the present invention, for the ordinary skill in the art, according to this hair
Bright introduction, the D structure rail changing device for designing a kind of various forms of straddle-type monorails do not need creative labor
It is dynamic, without departing from the principles and spirit of the present invention all equivalent changes done according to scope of the present invention patent, repair
Change, replacement and variant, is all covered by the present invention.
Claims (8)
1. a kind of D structure rail changing device of straddle-type monorail, which is characterized in that including a pair being set in support construction
Guide rail and vehicle-mounted change rail mechanism for being mounted on railcar lower part are provided with parallel to the ground and not between a pair of guide rails
Continuous main line track beam, is provided with side line track girder, the rear end of the side line track girder is set on the downside of main line track beam
It is equipped with the extension tilted upward, the extension is connected with the front end for the main line track beam for being located at back side top.
2. a kind of D structure rail changing device of straddle-type monorail according to claim 1, which is characterized in that described vehicle-mounted
Become the bogie that rail mechanism includes the upper side that travelling wheel is used to contact with main line track beam or side line track girder, the bogie
The front and back side of both sides is respectively arranged with the guide wheel for being total to axle with travelling wheel and being used for guide rail contact, is arranged on bogie useful
In the regulating mechanism of guide wheel axial shrinkage, the two sides of bogie lower part be respectively arranged with it is a pair of for contact with main line track beam or
The steady wheel of side line track beam sides.
3. a kind of D structure rail changing device of straddle-type monorail according to claim 2, which is characterized in that the steering
Frame is no bolster single-axle bogie, and the regulating mechanism includes the cylindrical telescopic bar for being nested in axle outboard end, described flexible
It is provided in bar and controls its flexible hydraulic system.
4. a kind of D structure rail changing device of straddle-type monorail according to claim 1,2 or 3, which is characterized in that institute
Stating supporting mechanism includes spaced reinforced concrete support column, and the upper end positioned at reinforced concrete support column is provided with track
Bottom plate, the main line track beam or side line track girder are set on sole-plate, and the both sides of the sole-plate are respectively set
There is the steel truss for supporting track.
5. a kind of D structure rail changing device of straddle-type monorail according to claim 1,2 or 3, which is characterized in that institute
Stating guide rail is rail, and the apical side height of guide rail is that the apical side height of main line track beam adds 150mm.
6. a kind of D structure rail changing device of straddle-type monorail according to claim 2 or 3, which is characterized in that described
Damper is provided with when the extension of side line track girder is as uniline descending.
7. a kind of D structure rail changing device of straddle-type monorail according to claim 1,2 or 3, which is characterized in that institute
Stating the side line track girder extension gradient is 10%, and the main line track beam and side line track girder are respectively reinforced concrete rectangular rail
Road beam.
8. it is a kind of applied to a kind of application method of the D structure rail changing device of straddle-type monorail as claimed in claim 6,
It is characterized in that, comprising the following steps:
1) when railcar needs to shunt by track switch, when target is into main track:
1.1) before entering rail changing device, railcar makes guide wheel be in stretching state using regulating mechanism, makes guide wheel lower end and leads
Rail upper surface is parallel, the inside parallel in the wheel rim outside and guide rail of guide wheel；
1.2) railcar enters rail changing device, the guide wheel and guide rail contact of two sides, and moves forwards a distance, guarantees guide wheel all
Normal contact guide rail；
1.3) railcar changes by guide wheel and guide rail as supporting, with the gradient of side line track girder extension, the traveling of railcar
Wheel, directive wheel and steady wheel are lifted away from side line track girder extension, and the guide wheel and guide rail of railcar are sole support；
1.4) railcar driving guide wheel proceeds to the starting point of main line track beam end, travelling wheel, directive wheel and steady wheel
Again contact track beam；
1.5) then railcar is supported by main line track beam, and guide rail terminates, and guide wheel is detached from guide rail, and railcar is driven out to rail changing device,
The resetting of guide wheel state, waits and enters next group of rail changing device；
2) when railcar needs to shunt by track switch, when target is into side line:
2.1) before entering rail changing device, railcar makes the guide wheel positioned at car body outer wall be in collapsed state by regulating mechanism,
Make to keep certain distance with the inside of guide rail on the outside of the wheel rim of guide wheel；
2.2) railcar enters rail changing device, two side guide wheels not with guide rail contact；
2.3) railcar continues the extension by side line track girder as support, with the gradient of extension, the traveling of railcar
Wheel, directive wheel and steady wheel are still attached to extension operation；
2.4) railcar continues to run along extension gradient, simultaneously closes off power；The generation resistance of travelling wheel and damper, control
Car speed；After operation to the side line terminal of side line track girder no longer gradient, railcar is driven out to rail changing device, guide wheel state weight
It sets, waits and enter next group of rail changing device；
3) when railcar needs to collaborate by track switch, when entering via main track, function mode is identical as step 1)；
4) when railcar needs to collaborate by track switch, when entering via side line, the difference of function mode and step 2 is: uniline
The extension of the side line track of upward slope does not arrange that damper, vehicle need out sufficient power to complete to go up a slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811512569.0A CN109367559B (en) | 2018-12-11 | 2018-12-11 | Three-dimensional structure track-changing device of straddle type monorail and use method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811512569.0A CN109367559B (en) | 2018-12-11 | 2018-12-11 | Three-dimensional structure track-changing device of straddle type monorail and use method |
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| CN109367559A true CN109367559A (en) | 2019-02-22 |
| CN109367559B CN109367559B (en) | 2024-02-23 |
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2018
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|---|---|---|---|---|
| BE575208A (en) * | 1958-02-01 | 1959-07-29 | Alweg Forschung Gmbh | Blade needle for raised monorail railways. |
| US20010037746A1 (en) * | 1998-01-12 | 2001-11-08 | Lund Van Metre | Automated transportation system |
| CN102092401A (en) * | 2011-03-03 | 2011-06-15 | 李诗平 | Rail transit system |
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| CN108515979A (en) * | 2018-04-13 | 2018-09-11 | 中车青岛四方机车车辆股份有限公司 | A kind of ground for gauge-changeable bogie becomes rail structure |
| CN108639091A (en) * | 2018-06-25 | 2018-10-12 | 江苏飞梭智行设备有限公司 | For the locomotive in suspension type rail system |
| CN209290413U (en) * | 2018-12-11 | 2019-08-23 | 福建工程学院 | A kind of D structure rail changing device of straddle-type monorail |
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| CN109367559B (en) | 2024-02-23 |
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