CN213948450U - Tram, intelligent rail level crossing road junction intelligence warning system at night - Google Patents

Tram, intelligent rail level crossing road junction intelligence warning system at night Download PDF

Info

Publication number
CN213948450U
CN213948450U CN202023044374.3U CN202023044374U CN213948450U CN 213948450 U CN213948450 U CN 213948450U CN 202023044374 U CN202023044374 U CN 202023044374U CN 213948450 U CN213948450 U CN 213948450U
Authority
CN
China
Prior art keywords
rail
intelligent
equipment
night
warning system
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.)
Active
Application number
CN202023044374.3U
Other languages
Chinese (zh)
Inventor
贺捷
赵春光
王效文
杨晓宇
张嘉峻
孙春光
接小峰
丛嘉珅
吴梦瑶
刘洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Siyuan Survey and Design Group Co Ltd
New Rail Transit Design and Research Institute of China Railway Siyuan Survey and Design Group Co Ltd
Original Assignee
China Railway Siyuan Survey and Design Group Co Ltd
New Rail Transit Design and Research Institute of China Railway Siyuan Survey and Design Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Railway Siyuan Survey and Design Group Co Ltd, New Rail Transit Design and Research Institute of China Railway Siyuan Survey and Design Group Co Ltd filed Critical China Railway Siyuan Survey and Design Group Co Ltd
Priority to CN202023044374.3U priority Critical patent/CN213948450U/en
Application granted granted Critical
Publication of CN213948450U publication Critical patent/CN213948450U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Traffic Control Systems (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

The utility model discloses a tram, intelligent rail level crossing night intelligent warning system, which is characterized in that a third rail zone between a first rail zone and a second rail zone is a rail zone cross section of two roads; a first equipment mounting upright column and a second equipment mounting upright column are respectively arranged on two sides of the connecting end of the first rail row area and the third rail row area, and a third equipment mounting upright column and a fourth equipment mounting upright column are respectively correspondingly arranged on two sides of the connecting end of the second rail row area and the third rail row area; the equipment comprises equipment mounting columns, a voice broadcasting device, a monitoring device, a lighting device and a holographic imaging device, wherein the equipment mounting columns are respectively provided with the voice broadcasting device, the monitoring device, the lighting device and the holographic imaging device, and the first rail row area and the holographic imaging device in the second rail row area are arranged oppositely so that the holographic imaging device projects between the corresponding equipment mounting columns to form a three-dimensional wall body. The utility model discloses can effectively reduce tram, intelligent rail at night under the priority, cross the probability that takes place the traffic accident with motor vehicle, non-motor, pedestrian in the crossing.

Description

Tram, intelligent rail level crossing road junction intelligence warning system at night
Technical Field
The utility model belongs to the technical field of urban rail transit, more specifically relates to a tram, intelligent rail level crossing intelligent warning system night.
Background
Modern trams, intelligent rails and other medium and low-volume rail transit have the advantages of large transportation capacity, low energy consumption, high speed, small investment, fast construction, simple approval process and the like, so that development is not much developed. The laying mode of the modern tramcar and the intelligent rail is mainly ground laying, and the right of way form is mainly priority right of way. When the road right adopts the priority road right, signal priority is mostly set at the intersection, so that the train is guaranteed to have the right of preferentially passing the intersection compared with the social vehicles, and when the signal priority is given to the train at the intersection in an ideal state, other traffic modes are not allowed to enter the intersection area. However, as cities in China have numerous population, the qualities of the countries are different, and the roads and regulations are not complied with each other, when trains pass through a crossing area, motor vehicles, non-motor vehicles and pedestrians still enter the crossing illegally and collide with the trains, traffic accidents occur, and normal operation of the trains is affected. Therefore, the regional traffic organization of the night intersection is more complex, and the speed of the train is limited when the train passes through the intersection due to the frequent collision of the train with motor vehicles, non-motor vehicles and pedestrians.
To the night warning mode among the prior art, similar relevant research mainly is in the aspect of the luminous pavement at night, through allies oneself with accuse with traffic signal lamp, realizes luminous pavement color conversion, reminds the pedestrian to cross the street, but this warning device does not propose the level crossing that sets up in passing tramcar or intelligent rail, consequently need urgently to design a set of warning system that traveles at night to the level crossing.
SUMMERY OF THE UTILITY MODEL
To the above defect of prior art or improve the demand, the utility model provides a tram, intelligent rail level crossing road junction intelligence warning system at night effectively reduces tram, intelligent rail at night under the priority, cross the probability that takes place the traffic accident with motor vehicle, non-motor, pedestrian in the crossing.
In order to achieve the above purpose, the utility model provides a tram, intelligent rail level crossing night intelligent warning system which is characterized in that a first rail running area, a third rail running area and a second rail running area are a continuous tram or intelligent rail running circuit in sequence, and the third rail running area is a rail running area cross section of two roads;
a first equipment mounting upright column and a second equipment mounting upright column are respectively arranged on two sides of the connecting end of the first rail row area and the third rail row area, and a third equipment mounting upright column and a fourth equipment mounting upright column are respectively correspondingly arranged on two sides of the connecting end of the second rail row area and the third rail row area;
the equipment comprises equipment mounting columns, a voice broadcasting device, a monitoring device, a lighting device and a holographic imaging device, wherein the equipment mounting columns are respectively provided with the voice broadcasting device, the monitoring device, the lighting device and the holographic imaging device, and the first rail row area and the holographic imaging device in the second rail row area are arranged oppositely so that the holographic imaging device projects between the corresponding equipment mounting columns to form a three-dimensional wall body.
As a further improvement of the present invention, the lateral sides of the third rail row area are respectively provided with warning light strips.
As a further improvement, the interval arrangement has a plurality of warning lights on the warning light area, just the warning light is arranged subaerial, and the top is flat mutually with ground.
As a further improvement, the first rail row area and the second rail row area are all provided with infrared detection devices.
As a further improvement, the vertical both sides in third rail line district are equipped with horizontal pavement respectively, and each equipment fixing stand is all located the horizontal pavement outside.
As a further improvement of the utility model, voice broadcast equipment, supervisory equipment and lighting apparatus on first equipment fixing stand and the second equipment fixing stand set up with the voice broadcast equipment, supervisory equipment and the lighting apparatus of third equipment fixing stand and fourth equipment fixing stand relatively.
As a further improvement, the equipment mounting stand is divided into a vertical section and a bending section, wherein the bending section one end with the lighting equipment is fixed, and the other end is connected with the vertical section.
As a further improvement of the present invention, the holographic imaging device is disposed in the curved section.
As the utility model discloses a further improvement, warning light, holographic imaging equipment and lighting apparatus only work at night, voice broadcast equipment and supervisory equipment open at the full time.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:
(1) the utility model discloses a tram, intelligent rail level crossing road junction intelligence warning system at night, through warning light equipment, holographic imaging equipment, video monitoring equipment, the voice broadcast equipment that level crossing road junction department set up, when the train passes through the crossing region at night, the warning light adjustment is red, holographic imaging equipment imaging is the wall body, the voice broadcast equipment sound production, reminds motor vehicle, non-motor vehicle, pedestrian to dodge the train, guarantees that the train passes through the intersection safely; after the train exits from the intersection area, the warning light is adjusted to be green, the holographic imaging equipment is closed, and the probability of traffic accidents between the tramcar and the intelligent rail and motor vehicles, non-motor vehicles and pedestrians in the intersection at night under the priority is effectively reduced; adopt on the one hand the utility model discloses a warning system, tram or intelligent rail can reduce the degree of speed limit when passing through the crossing night, and is less to the operation influence of train, and on the other hand also need not strengthen the protection through extra guardrail at night.
(2) The utility model discloses a tram, intelligence rail level crossing intelligence warning system at night, the infrared detection device that is equipped with on the trackbound district 1, according to the direction of travel of train, wherein the infrared detection device of one side is used for surveying the train and drives into the level crossing, and the infrared detection device of opposite side is used for surveying the train and drives into the level crossing, and the utility model discloses warning light equipment, holographic imaging equipment, video monitoring equipment, voice broadcast equipment and the linkage of signal priority equipment skip through the signal lamp, adjust to the phase place that allows the train to pass through or allow the pedestrian to pass through, the utility model discloses warning system warning equipment carries out corresponding opening and closes work.
Drawings
FIG. 1 is a general schematic view of a streetcar and an intelligent rail level crossing night intelligent warning system according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of area A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic view of the arrangement of warning lights of the intelligent warning system at night at the level crossing of the tramcar and the intelligent rail of the embodiment of the present invention;
fig. 4 is the embodiment of the utility model provides an equipment fixing stand structural schematic that tram, intelligent rail level crossing intelligence warning system at night related to.
In all the figures, the same reference numerals denote the same features, in particular: 1-a first rail row area, 2-a second rail row area, 3-a third rail row area, 4-a first device installation upright post, 5-a second device installation upright post, 6-a third device installation upright post, 7-a fourth device installation upright post, 8-a first warning lamp strip, 9-a second warning lamp strip, 10-a transverse sidewalk, 11-a longitudinal sidewalk, 12-a warning lamp, 13-voice broadcasting equipment, 14-monitoring equipment, 15-holographic imaging equipment and 16-lighting equipment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The tram to low freight volume such as modern tram, intelligent rail cross the operation safety problem that the intersection exists night under the signal priority state, for effectively reducing tram at night, intelligent rail under the priority, cross the probability that takes place the traffic accident with motor vehicle, non-motor vehicle, pedestrian in the intersection, provide a level crossing intelligence warning system at night, figure 1 does the utility model provides a whole schematic diagram of tram, intelligent rail level crossing intelligence warning system at night. As shown in fig. 1, the utility model discloses a tram, intelligent rail level crossing intelligence warning system night is third rail line district 3 between first rail line district 1 and the second rail line district 2, and first rail line district 1, second rail line district 2 and third rail line district 3 are continuous tram or intelligent rail line of going. The intersection of the tracking area and the other road is a level crossing, wherein in the embodiment of fig. 1 the two roads are perpendicular and the third tracking area 3 is the tracking area intersection of the two roads.
Preferably, the first track area 1 and the second track area 2 are provided with infrared detection devices, wherein the infrared detection device on one side is used for detecting that the train enters the level crossing according to the running direction of the train, and the infrared detection device on the other side is used for detecting that the train enters the level crossing.
Fig. 2 is a partially enlarged view of the area a in fig. 1, fig. 3 is a schematic view of the arrangement of the warning lamps according to the embodiment of the present invention, and with reference to fig. 1-3, the first warning lamp strip 8 and the second warning lamp strip 9 are respectively disposed on the two lateral sides of the third rail area 3, a plurality of warning lamps 12 are disposed on the first warning lamp strip 8 and the second warning lamp strip 9 at intervals, the warning lamps 12 are disposed on the ground, and the top of the warning lamps is parallel to the ground; when the tramcar or the intelligent rail passes through the intersection at night, the warning lamp is adjusted to be red to prompt that pedestrians, motor vehicles or non-motor vehicles are forbidden to pass through, and after the train passes through the intersection, the warning lamp light is adjusted to be green to prompt that the pedestrians, the motor vehicles or the non-motor vehicles pass through.
Further, with reference to fig. 1 and 2, the third rail-mounted area 3 is provided with transverse sidewalks 10 at both longitudinal sides thereof, and the transverse sidewalks 10 are communicated with both transverse sides of the rail-mounted area for pedestrians to pass through; the longitudinal sidewalk 11 with two sides perpendicular to the transverse sidewalk 10 is not limited by a rail-mounted area and can pass through according to the general traffic rule; a first equipment mounting upright post 4 and a second equipment mounting upright post 5 are respectively arranged on the outer side of the intersection of the first rail area 1 and the transverse sidewalk 10 (on both sides of the connecting end of the first rail area 3), and a third equipment mounting upright post 6 and a fourth equipment mounting upright post 7 are respectively arranged on the outer side of the intersection of the second rail area 2 and the transverse sidewalk 10 (on both sides of the connecting end of the third rail area 3); each equipment installation upright post is arranged on the outer side of the pedestrian crossing.
Fig. 4 is the embodiment of the utility model provides an equipment fixing stand structural schematic that tram, intelligent rail level crossing intelligence warning system at night related to. The equipment installation column is respectively provided with a voice broadcasting device 13, a monitoring device 14, a holographic imaging device 15 and a lighting device 16. With reference to fig. 1 and 4, the equipment mounting column is divided into a vertical section and a curved section, wherein one end of the curved section is provided with the lighting equipment 16, the other end of the curved section is connected with the vertical section, and the lighting equipment 16 is arranged at the top to provide night lighting for the intersection; the holographic imaging device 15 is preferably arranged in a curved section, and by means of the downward radian of the curved section, a wider imaging range can be provided for projection;
the first equipment installation stand column 4 and the third equipment installation stand column 6 are preferably arranged oppositely, the second equipment installation stand column 4 and the fourth equipment installation stand column 7 are preferably arranged oppositely, equipment on the equipment installation stand columns are arranged oppositely, the holographic imaging equipment 15 is used for imaging between the first equipment installation stand column 4 and the third equipment installation stand column 6 and between the second equipment installation stand column 4 and the fourth equipment installation stand column 7 to form a wall structure, human eyes can observe projected 3D stereoscopic wall image structures from the two transverse sides of the third rail area 3, according to projection display, a train is prompted to pass through, and traffic accidents caused by the fact that pedestrians, motor vehicles and non-motor vehicles cross are avoided.
The monitoring device 14 and the voice broadcast device 13 are preferably provided in the vertical section, but as long as the imaging by the holographic imaging device 15 is not blocked and the monitoring angle of view of the monitoring device 14 is not particularly limited, the installation positions of the monitoring device 14 and the voice broadcast device 13 are not particularly limited. The monitoring device 14 is used for monitoring road sections of the level crossing and providing monitoring basis for dividing responsibilities when an accident occurs, and the voice broadcasting device 13 is used for broadcasting when a train is about to pass through.
Preferably, the warning light 12, the holographic imaging device 15 and the lighting device 16 only work at night, the voice broadcasting device 13 and the monitoring device 14 are turned on all the time, meanwhile, a warning function is provided for pedestrians and vehicles passing through a grade crossing in the daytime, and a more comprehensive warning system is needed at night due to the fact that the difference between the sight line and the daytime is large, and traffic safety is guaranteed.
The utility model discloses a tram, intelligent rail level crossing night intelligence warning system links warning light equipment, holographic imaging device, video monitoring equipment, voice broadcast equipment and signal priority equipment, and when infrared detection device detected tram or intelligent rail and other urban rail transit and is about to drive into the level crossing, the signal lamp jumped to the phase place that allows the train to pass through, and warning light 12 in the cross section rail driving district outside becomes red, and holographic imaging device 15 throws 3D stereoscopic wall body image structure between two vertical relative equipment fixing posts; the voice broadcasting equipment 13 starts voice broadcasting to remind pedestrians, motor vehicles and non-motor vehicles to stop passing and timely avoid trains.
After the infrared detection device detects that urban rail transit such as tram or intelligent rail drives through the level crossing, the signal lamp jumps to the phase place that allows the pedestrian to pass through, and warning light 12 in the cross section rail traffic district outside becomes green, and holographic imaging equipment 15 closes, and voice broadcast equipment 13 begins voice broadcast, provides the condition for pedestrian, motor vehicle and non-motor vehicle are current.
The utility model discloses a tram, intelligent rail level crossing road junction intelligence warning system at night, through warning light equipment, holographic imaging equipment, video monitoring equipment, the voice broadcast equipment that level crossing road junction department set up, when the train passes through the crossing region at night, the warning light adjustment is red, holographic imaging equipment imaging is the wall body, the voice broadcast equipment sound production, reminds motor vehicle, non-motor vehicle, pedestrian to dodge the train, guarantees that the train passes through the intersection safely; after the train exits the intersection area, the warning light is adjusted to be green, and the holographic imaging equipment is closed; adopt on the one hand the utility model discloses a warning system, tram or intelligent rail can reduce the degree of speed limit when passing through the crossing night, and is less to the operation influence of train, and on the other hand also need not strengthen the protection through extra guardrail at night.
The utility model provides a warning system can effectively reduce tram, intelligent rail under the priority, crosses night in the crossing and motor vehicle, non-motor, pedestrian's probability of colliding, guarantees tram, intelligent rail at night and crosses cross intersection department safe operation.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.

Claims (9)

1. A tram, intelligent rail level crossing night intelligent warning system, wherein, the first rail area (1), the third rail area (3), the second rail area (2) are consecutive trams or intelligent rail driving lines in turn, the third rail area (3) is the crossing section of the rail areas of two roads;
a first equipment mounting upright post (4) and a second equipment mounting upright post (5) are respectively arranged on two sides of the connecting end of the first rail row area (1) and the third rail row area (3), and a third equipment mounting upright post (6) and a fourth equipment mounting upright post (7) are respectively arranged on two sides of the connecting end of the second rail row area (2) and the third rail row area (3) correspondingly;
be equipped with voice broadcast equipment (13), supervisory equipment (14), lighting apparatus (16) and holographic imaging device (15) on each equipment fixing stand respectively, first rail is gone district (1) with holographic imaging device (15) of second rail row district (2) set up relatively, so that holographic imaging device (15) throw between the equipment fixing stand that corresponds and form three-dimensional wall body.
2. The streetcar and intelligent rail level crossing night intelligent warning system according to claim 1, wherein warning lamp strips are respectively arranged on two lateral sides of the third rail zone (3).
3. The streetcar and intelligent rail level crossing night intelligent warning system according to claim 2, wherein a plurality of warning lamps (12) are arranged on the warning lamp strip at intervals, the warning lamps (12) are arranged on the ground, and the top of the warning lamps is level with the ground.
4. A tram intelligent rail crossing night intelligent warning system according to any one of claims 1-3, characterized in that the first (1) and second (2) rail zones are provided with infrared detection means.
5. The streetcar and intelligent rail level crossing night intelligent warning system according to claim 4, wherein transverse sidewalks (10) are respectively arranged on two longitudinal sides of the third rail zone (3), and each equipment installation upright is arranged on the outer side of each transverse sidewalk (10).
6. The streetcar, intelligent rail crossing night intelligent warning system according to claim 2 or 5, wherein the voice broadcasting device (13), the monitoring device (14) and the lighting device (16) on the first device installation column (4) and the second device installation column (5) are arranged opposite to the voice broadcasting device (13), the monitoring device (14) and the lighting device (16) on the third device installation column (6) and the fourth device installation column (7).
7. The streetcar, smart-rail level-crossing nighttime intelligent warning system according to claim 6, wherein the equipment-mounting column is divided into a vertical section and a curved section, wherein one end of the curved section is fixed to the lighting equipment (16) and the other end of the curved section is connected to the vertical section.
8. Tram, smart rail crossing night smart warning system according to claim 7, characterized in that the holographic imaging device (15) is provided at a curved section.
9. The streetcar, intelligent rail crossing night intelligent warning system according to claim 3, wherein the warning lamp (12), the holographic imaging device (15) and the lighting device (16) are operated only at night, and the voice broadcasting device (13) and the monitoring device (14) are turned on at all times.
CN202023044374.3U 2020-12-17 2020-12-17 Tram, intelligent rail level crossing road junction intelligence warning system at night Active CN213948450U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023044374.3U CN213948450U (en) 2020-12-17 2020-12-17 Tram, intelligent rail level crossing road junction intelligence warning system at night

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023044374.3U CN213948450U (en) 2020-12-17 2020-12-17 Tram, intelligent rail level crossing road junction intelligence warning system at night

Publications (1)

Publication Number Publication Date
CN213948450U true CN213948450U (en) 2021-08-13

Family

ID=77216665

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023044374.3U Active CN213948450U (en) 2020-12-17 2020-12-17 Tram, intelligent rail level crossing road junction intelligence warning system at night

Country Status (1)

Country Link
CN (1) CN213948450U (en)

Similar Documents

Publication Publication Date Title
CN209037591U (en) A kind of semaphore at novel unattended road junction
CN109544988B (en) A kind of real-time Warning System in arterial highway non-mandrel roller intersection
CN102941854A (en) Suspension type rail transit arranged below elevated road
CN107871395A (en) Intelligent transportation keeps away congestion system
Ogden et al. Highway-rail crossing handbook
CN111945603A (en) Highway exit ramp sight line induction system
CN204959656U (en) Prevent leap -type road guardrail
CN106683459A (en) Novel road fork management system
CN213948450U (en) Tram, intelligent rail level crossing road junction intelligence warning system at night
CN110158510A (en) A kind of pedestrains safety crossing facilities and control method
CN207764980U (en) Speciality longitudinal gradient section intellectual inducing and prompt system
KR101572199B1 (en) Flush floor mounted traffic lights for a tram track
CN206451360U (en) Intelligent transportation keeps away congestion system
CN112339802A (en) Tram, intelligent rail level crossing road junction intelligence warning system at night
CN101863279A (en) Safety system for railway and highway crossings
CN202987141U (en) Suspension type rail transit
CN205890908U (en) Track is gone ahead of rest and collision avoidance system
CN203822323U (en) Multifunctional tunnel structure
CN214376925U (en) Intelligent traffic safety system for sidewalk
US1839276A (en) Traffic button
CN101210407A (en) Method and facilities of road traffic engineering system
CN215252035U (en) Dislocation intersection structure with hard isolation of central authorities
CN202744917U (en) Safety structure of level crossing in front of track garage door
CN2421318Y (en) Lamp box type traffic safety guards
CN212766202U (en) Drum-shaped vehicle body for suspension type monorail vehicle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant