NL2017065B1 - A Movable Overbridge System Specification - Google Patents

A Movable Overbridge System Specification Download PDF

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Publication number
NL2017065B1
NL2017065B1 NL2017065A NL2017065A NL2017065B1 NL 2017065 B1 NL2017065 B1 NL 2017065B1 NL 2017065 A NL2017065 A NL 2017065A NL 2017065 A NL2017065 A NL 2017065A NL 2017065 B1 NL2017065 B1 NL 2017065B1
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Netherlands
Prior art keywords
data
processing unit
data processing
overbridge
bridge
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NL2017065A
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Dutch (nl)
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NL2017065A (en
Inventor
Ji Xiang
Sun Liang
Wang Jian
Wang Dong
Wang Feng
Sun Lin
Xu Dongsheng
Jiang Chuan
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Univ China Mining & Tech
Jiangsu Vocational Inst Of Arch Tech
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Publication of NL2017065A publication Critical patent/NL2017065A/en
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Publication of NL2017065B1 publication Critical patent/NL2017065B1/en

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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D15/00—Movable or portable bridges; Floating bridges
    • E01D15/10—Travelling bridges, i.e. roller bridges; Sliding bridges; Rotary cylinder bridges, i.e. rotating about longitudinal axis to invert and raise the road
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention discloses a movable overbridge system, relating to an overbridge. The invention includes a bridge and ladders which are mounted on the both sides of the bridge. The bridge includes four columns, and an overbridge plate which is fixed in the middle of the four columns, a platform plate which is mounted at the top of the columns. A roller wheel is mounted at 5 the bottom of each column. The lower parts of the two columns on the same side of the street is connected by a crossbeam. The lifting jacks are fixed on the both sides of the crossbeam. The support devices are provided among the overbridge plate, the crossbeam and the lower parts of the two columns on the same side of the street. They are also provided among the overbridge plate, the platform plate and the upper parts of the columns. A power equipment is mounted on the crossbeam. The power equipment includes a motor, and a gearbox is connected with the motor by an output shaft of the motor. The output shaft of the gearbox is connected with the roller wheels by a chain drive. A control unit is connected with the motor. The control unit includes a data processing unit, and a video capture device and a data acquisition and analysis unit which are connected to the data processing unit respectively. The overbridge system can be moved automatically. The overbridge system can be moved to the crossing as required, thus significantly alleviating the traffic pressure.

Description

A Movable Overbridge System Specification
Technical Field [0001] The invention relates to a overbridge, and particularly to a movable overbridge. Background [0002] The overbridges are an important part of the road traffic system. With the development of the industrial civilization and technology, the automobiles have become a main vehicle in the society. The crisscrossed roads are a distinctive feature of the cities. In the prior arts, in order to solve the traffic conflict of the people and vehicles, the overbridges have already been used for busy roads.
[0003] When the traffic of people and vehicles is lighter, the fixed overbridge may disturb the sights of drivers. Further, the fixed overbridge has a high cost, and it can only be located at one position. When the traffic of people and vehicles of another crossing is heavier, the only way is to build a new fixed overbridge, thus, potentially increasing the cost.
Summary of the Invention [0004] To overcome the disadvantages of the prior arts, the invention provides a movable overbridge, which can be moved on the roads to the designated locations as required.
[0005] The invention is achieved based on the following technical solutions: A movable overbridge system, comprising a bridge and ladders which are mounted on the both sides of the bridge. The bridge includes four columns, and an overbridge plate mounted in the middle of the four columns. A platform plate is mounted at the top of the columns, and fences are arranged surrounding the platform plate. A roller wheel is mounted at the bottom of each column. The lower parts of the two columns on the same side of the street is connected by a crossbeam. Lifting jacks are fixed at the both ends of the crossbeam. The support devices are provided among the overbridge plate, the crossbeam and the lower parts of the two columns on the same side of the street. The support devices are also provided among the overbridge plate, the platform plate and the upper parts of the columns. A power equipment is mounted on the crossbeam. The power equipment includes a motor, and a gearbox is connected with an output shaft of the motor. An output shaft of the gearbox is connected with the roller wheels by a chain drive. The lifting jacks are automatic hydraulic lifting jacks. A control unit is connected with the motor. The control unit includes a video capture device, a data acquisition and analysis unit, a data processing unit, a monitoring unit, and an execution unit; the video capture device, the data acquisition and analysis unit, the monitoring unit, and the execution unit are respectively connected with the data processing unit.
The real-time video image information from the video capture device and the statistical data from the data acquisition and analysis unit are received and processed by the data processing unit, to obtain the data of pedestrian flow. Next, the data of pedestrian flow is sent to the monitoring unit. After the data of pedestrian flow is received from the data processing unit, the data is stored and displayed by the monitoring unit.
When the pedestrian flow of this crossing acquired by the video capture device and the data acquisition and analysis unit is heavier, the overbridge does not need to be moved, then a driving mechanism is controlled by the data processing unit to lift the automatic hydraulic lifting jacks up.
When the pedestrian flow of another crossing acquired by the video capture device and the data acquisition and analysis unit is heavier, the overbridge needs to be moved, then the driving mechanism is controlled by the data processing unit to lower the automatic hydraulic lifting jacks down. The execution unit is controlled by the data processing unit to start the motor. The gearbox and the chain drive are controlled by the motor to move the whole overbridge to the another crossing where the pedestrian flow is heavier.
[0006] Furthermore, the support devices include a horizontal bar, a vertical bar, and a diagonal bar; the horizontal bar, the vertical bar, and the diagonal bar are interlaced and fixed together.
[0007] The ladder includes an internal ladder and an external ladder which is mounted under the internal ladder. The internal ladder and the external ladder both include a ladder frame, and footboards which are mounted on the ladder frame sequentially. Handrails are mounted at the outer end of the ladder frame of the external ladder. An external pipe and an oil cylinder are fixed at the upper and lower ends of the ladder frame of the internal ladder, and an internal pipe is correspondingly fixed at the upper and lower ends of the ladder frame of the external ladder. The internal pipe is inserted into the external pipe. The oil cylinder body is fixed on the ladder frame of the internal ladder, and the piston of the oil cylinder is connected with the ladder frame of the external ladder. The retraction and extension of the oil cylinders are controlled by the data processing unit.
[0008] The upper end of the ladder frame of the internal ladder is hinged on the columns, and the oil cylinders are vertically fixed on the crossbeam. The retraction and extension of the oil cylinders are controlled by the data processing unit.
[0009] There are four ladders, which are symmetrically arranged on both sides of the bridge.
[0010] Advantageous effects of the invention:
By using the roller wheels, the guide rails set on the roads and the control unit, the automatic movement of the overbridge can be achieved. The overbridge can be moved to the crossings as required, thus significantly alleviating the traffic pressure.
Brief Description of the Drawings [0011] Fig.l is a schematic structural diagram of the invention;
Fig.2 is the top view of Fig. 1;
Fig.3 is the left view of Fig. 1;
Fig.4 is the enlarged view of A position of Fig. 1;
Fig.5 is the enlarged view of B position of Fig.3;
Fig.6 is the side view of the ladder retracted;
Fig.7 is the top view of the ladder extended;
Fig. 8 is the functional block diagram of the control unit.
[0012] In figures: l.ladder; 1-1. ladder frame; 1-2. footboard; 1-3 handrail; 2. column; 3. overbridge plate; 4.platform plate; 5.fence; 6. diagonal bar; 7. vertical bar; 8. horizontal bar; 9. platform stair; 9-1. entrance; 10. motor; 11. gearbox; 12. lifting jack; 13. chain drive; 14. roller wheel; 15.guiderail; ló.storage battery; 17.data processing unit;18. crossbeam; 19. solar panel; 20. rest area; 21. oil cylinder
Detailed Description [0013] As shown in Fig.l, a movable overbridge system includes a bridge and ladders which are mounted on the both sides of the bridge. The bridge includes four columns 2, and an overbridge plate 3 mounted in the middle of four columns 2. A platform plate 4 which is mounted at the top of the columns 2, and fences 5 are arranged surrounding the platform plate. A roller wheel 14 is mounted at the bottom of each column 2. The lower parts of the two columns 2 on the same side of the street are connected by a crossbeam 18. The lifting jacks 12 are fixed at the both ends of the crossbeam 18.
[0014] As shown in Fig.4 and Fig.5, a power equipment is mounted on the crossbeam 18. The power equipment includes a motor 10, and a gearbox 11 is connected with an output shaft of the motor 10. An output shaft of the gearbox 11 is connected with the roller wheels 14 by a chain drive 13.
[0015] As shown in Fig.3, in order to enhance the robustness of the bridge, without any influences on the traffic under the bridge at the same time, the support devices are provided among the overbridge plate 3, the crossbeam 18 and the lower parts of the two columns 2 on the same side of the street. There are also support devices among the overbridge plate 3, the platform plate 4 and the upper parts of the columns 2. In the embodiment, the support devices include a horizontal bar 8, a vertical bar 7, and a diagonal bar 6. The horizontal bar 8, the vertical bar 7, and the diagonal bar 6 are interlaced and fixed together to support the bridge.
[0016] As shown in Fig.2, in order to facilitate pedestrians entering the overbridge from all the directions, there are four ladders 1, which are symmetrically arranged on both sides of the bridge.
[0017] As shown in Fig.6 and Fig.7, the ladder 1 includes an internal ladder and an external ladder which is mounted under the internal ladder. The internal ladder and the external ladder both include a ladder frame 1-1, footboards 1-2 which are mounted on the ladder frame 1-1 sequentially. Handrails 1-3 are mounted at the outer end of the ladder frame of the external ladder. An external pipe and an oil cylinder are fixed at the both ends of the ladder frame of the internal ladder, and an internal pipe is correspondingly fixed at the both ends of the ladder frame of the external ladder. The internal pipe is inserted into the external pipe. The oil cylinder body is fixed on the ladder frame of the internal ladder, and the piston of the oil cylinder is connected with the ladder frame of the external ladder. The retraction and extension of the oil cylinder are controlled by the data processing unit. When the pedestrian flow is heavier, the extension of the oil cylinders located at the both ends of the ladder frame is controlled by the data processing unit. The external ladder is extended under the control of the oil cylinders, and the width of the ladder is increased to facilitate the pedestrians crossing quickly. When the pedestrian flow is lighter, the retraction of the oil cylinders located at the both ends of the ladder frame is controlled by the data processing unit. The occupation area is thus reduced, and the oil cylinders at both ends of the ladder frame move synchronously.
[0018] The upper end of the internal ladder frame is hinged on the columns, and the oil cylinders are vertically fixed on the crossbeam. The retraction and extension of the oil cylinders are controlled by the data processing unit. When the overbridge needs to be moved, the retraction of the oil cylinders is controlled by the data processing unit, and the bottom of ladder is away from the ground. When the overbridge is stationary, the extension of the oil cylinders is controlled by the data processing unit, and the bottom of ladder attaches on the ground.
[0019] As shown in Fig.2, a rest platform is provided for the pedestrians. The pedestrians enter into the platform plate from the entrance though the platform stairs 9. The rest area 20 is set on the platform plate 4 for the pedestrians. In addition, solar panels 19 are arranged on the platform plate 4, and the storage battery 16 is charged by the solar panels 19 through the solar controller. The storage battery 16 is also under the overcharge and over-discharge protection by the solar panels.
[0020] For the convenience of pedestrians at night crossing through the overbridge, there are a plurality of lights arranged on the bridge, and the lights are charged by the storage battery 16.
[0021] As shown in Fig. 8, a control unit is connected with the motor. The control unit includes a video capture device, a data acquisition and analysis unit, a data processing unit, a monitoring unit, and an execution unit. The video capture device, the data acquisition and analysis unit, the monitoring unit, and the execution unit are respectively connected with the data processing unit. Wherein, the real-time video image information of the pedestrian flow is collected by the video capture device, and the video image information is transmitted to the data processing unit and the monitoring unit respectively. The data acquisition and analysis unit includes sensors which are used to sense the signals from the character elements of people and a data acquisition unit which can obtain the statistical data after collecting the signals from the sensors. After the data acquisition unit gets the statistical data, then statistical data is transmitted to the data processing unit. The real-time video image information from the video capture device and the statistical data from the data acquisition and analysis unit is received and processed by the data processing unit to obtain the data of pedestrian flow. Then, the data of pedestrian flow is sent to the monitoring unit. After the data of pedestrian flow is received from the data processing unit, the data is stored and displayed by the monitoring unit. The real-time video image information from the video capture device is received and real-timely monitored by the monitoring unit. Execution unit executes actions according to the instructions from the data processing unit.
[0022] In the embodiment, the lifting jacks 11 are automatic hydraulic lifting jacks. The driving mechanism is controlled by the data processing unit 17 to lift or lower the automatic hydraulic lifting jacks. The data processing unit 17 and the storage battery 16 are mounted on the crossbeam 18, as shown in Fig.5.
[0023] Working process:
Guiderails 15 are arranged on the roads, and the movable overbridge of the invention is mounted on the guiderails 15 by the roller wheels 14. The overbridge can move along the guiderails 15. The real-time video image information from the video capture device and the statistical data from the data acquisition and analysis unit are received and processed by the data processing unit, to obtain the data of pedestrian flow. Then, the data of pedestrian flow is sent to the monitoring unit. After receiving the data of pedestrian flow from the data processing unit, the data is stored and displayed by the monitoring unit.
[0024] When the pedestrian flow of this crossing collected by the video capture device and the data acquisition and analysis unit is heavier, the overbridge does not need to be moved, then the driving mechanism is controlled by the data processing unit to lift the automatic hydraulic lifting jacks up, so as to support the whole overbridge. The load of the roller wheels is thus reduced to prolong the service lifetime.
[0025] When the pedestrian flow of another crossing collected by the video capture device and the data acquisition and analysis unit is heavier, the overbridge needs to be moved. Then the driving mechanism is controlled by the data processing unit to lower the automatic hydraulic lifting jacks down. Next, the execution unit is controlled by the data processing unit to start the motor. The gearbox and the chain drive are controlled by the motor to move the whole overbridge to the another crossing where the pedestrian flow is heavier.

Claims (5)

1. Verplaatsbaar oversteekbrugsysteem omvattende: een brug en trappen die aan weerszijden van de brug gemonteerd zijn, welke brug voorts vier steunpilaren (2) en een centraal tussen de vier steunpilaren (2) gemonteerde bovenplaat (3) van de brug omvat, waarbij: aan de bovenzijde van de steunpilaren (2) een brugdek (4) is bevestigd en relingen (5) rondom het brugdek (4) zijn aangebracht; aan de onderzijde van elke steunpilaar (2) een rol wiel (14) is bevestigd; een dwarsbalk (18) de verbinding vormt tussen de onderste gedeelten van twee steunpilaren (2) die zich aan dezelfde kant van een straat bevinden; aan elk van beide uiteinden van de dwarsbalk (18) opkrikmechanismen (12) zijn verbonden; steunelementen zijn voorzien tussen de bovenplaat (3), de dwarsbalk (18) en onderste gedeelten van de twee steunpilaren (2) die zich aan dezelfde kant van de straat bevinden; verdere steunelementen voorts zijn voorzien tussen de bovenplaat (3), het brugdek (4) en bovenste gedeelten van de steunpilaren (2); op de dwarsbalk (18) een aggregaat is gemonteerd; het aggregaat een motor (10) en een met een uitgaande as van de motor (10) verbonden overbrenging (11) omvat; een uitgaande as van de overbrenging (11) via een kettingaandrijving (13) met het rolwiel (14) verbonden is; en de opkrikmechanismen (12) door automatische hydraulische hefcilinders gevormd worden, een besturingseenheid aan de motor gekoppeld is, welke besturingseenheid een video-opname-inrichting, een eenheid voor dataverwerving en data-analyse, een gegevensverwerkingseenheid, een monitorinrichting en een uitvoeringseenheid omvat; waarbij de video-opname-inrichting, de eenheid voor dataverwerving en data-analyse, de monitorinrichting en de uitvoeringseenheid respectievelijk op de gegevensverwerkingseenheid aangesloten zijn; door de gegevensverwerkingseenheid videobeeldinformatie in real time uit de video-opname-inrichting en statistische gegevens uit de eenheid voor dataverwerving en data-analyse ontvangen en verwerkt worden teneinde gegevens over een voetgangersstroom te verkrijgen; de gegevens over de voetgangersstroom worden vervolgens naar de monitorinrichting gezonden; en nadat de gegevens van de gegevensverwerkingseenheid ontvangen zijn, worden de gegevens door de monitorinrichting opgeslagen en weergegeven; indien de voetgangersstroom op een kruising zoals vastgesteld door de video-opname-inrichting en de eenheid voor dataverwerving en data-analyse groter is, behoeft het oversteekbrugsysteem niet verplaatst te worden, en een aandrijfmechanisme wordt dan door de gegevensverwerkingseenheid zodanig aangstuurd dat de automatische hefcilinders naar boven bewogen worden; indien de voetgangersstroom op een andere kruising zoals vastgesteld door de video-opname-inrichting en de eenheid voor dataverwerving en data-analyse groter is, dan dient het oversteekbrugsysteem verplaatst te worden, en het aandrijfmechanisme wordt dan door de gegevensverwerkingseenheid zodanig aangestuurd dat de automatische hefcilinders naar beneden bewogen worden; de uitvoeringseenheid wordt door de gegevensverwerkingseenheid aangestuurd om de motor te starten; en de overbrenging en de kettingaandrijving worden door de motor aangestuurd om het gehele oversteekbrugsysteem naar deze andere kruising te verplaatsen waar de voetgangersstroom groter is.A displaceable crossing bridge system comprising: a bridge and stairs mounted on either side of the bridge, said bridge further comprising four supporting pillars (2) and a top plate (3) of the bridge mounted centrally between the four supporting pillars (2), wherein: on a bridge deck (4) is attached to the top of the support pillars (2) and railings (5) are arranged around the bridge deck (4); a roller wheel (14) is attached to the underside of each support pillar (2); a crossbar (18) forming the connection between the lower portions of two support pillars (2) that are on the same side of a street; jacking mechanisms (12) are connected to each of the two ends of the crossbar (18); support elements are provided between the top plate (3), the crossbar (18) and lower sections of the two support pillars (2) which are on the same side of the street; further support elements are further provided between the top plate (3), the bridge deck (4) and upper portions of the support pillars (2); an aggregate is mounted on the crossbar (18); the unit comprises a motor (10) and a transmission (11) connected to an output shaft of the motor (10); an output shaft of the transmission (11) is connected to the roller (14) via a chain drive (13); and the jacking mechanisms (12) are formed by automatic hydraulic lifting cylinders, a control unit is coupled to the motor, which control unit comprises a video recording device, a data acquisition and data analysis unit, a data processing unit, a monitoring device and an execution unit; wherein the video recording device, the data acquisition and data analysis unit, the monitoring device and the execution unit are connected to the data processing unit respectively; the data processing unit receives and processes real-time video image information from the video recording device and statistical data from the data acquisition and data analysis unit to obtain data on a pedestrian stream; the pedestrian flow data is then sent to the monitor device; and after the data has been received from the data processing unit, the data is stored and displayed by the monitoring device; if the pedestrian flow is greater at an intersection as determined by the video recording device and the data acquisition and data analysis unit, the crossing bridge system need not be displaced, and a drive mechanism is then controlled by the data processing unit such that the automatic lift cylinders be moved upstairs; if the pedestrian flow at a different intersection as determined by the video recording device and the data acquisition and data analysis unit is greater, then the crossing bridge system must be moved, and the drive mechanism is then controlled by the data processing unit such that the automatic lifting cylinders be moved downwards; the execution unit is controlled by the data processing unit to start the engine; and the transmission and the chain drive are driven by the motor to move the entire crossing bridge system to this other crossing where the pedestrian current is greater. 2. Verplaatsbaar oversteekbrugsysteem volgens conclusie 1, waarbij: de steunelementen een horizontale balk (8), een vertikale balk (7) en een diagonale balk (6) omvatten, waarbij de horizontale balk (8), de vertikale balk (7) en de diagonale balk (6) passend aan elkaar elkaar bevestigd zijn.A displaceable crossing bridge system according to claim 1, wherein: the support elements comprise a horizontal beam (8), a vertical beam (7) and a diagonal beam (6), the horizontal beam (8), the vertical beam (7) and the diagonal beam (6) are fitted together in a fitting manner. 3. Verplaatsbaar oversteekbrugsysteem volgens conclusie 1 of 2, waarbij: de trap (1) een binnentrap en een onder de binnentrap gemonteerde buitentrap omvat; de binnentrap en de buitentrap elk een trapgestel (1-1) en achter elkaar op het trapgestel gemonteerde treden (1-2) omvatten, terwijl trapleuningen (1-3) aan een buitenste uiteinde van het trapgestel van de buitentrap bevestigd zijn; een uitwendige buis en een hydraulische cilinder aan beide uiteinden van het trapgestel van de binnentrap bevestigd zijn en een inwendige buis op overeenkomstige wijze aan beide uiteinden van het trapgestel van de buitentrap bevestigd is; de inwendige buis in de uitwendige buis is ingebracht; een hydraulisch-cilinderlichaam op het trapgestel van de binnentrap is vastgezet terwijl een zuiger van de hydraulische cilinder met het trapgestel van de buitentrap verbonden is; en waarbij een intrekking en uitslag van de hydraulische cilinders door de gegevensverwerkingseenheid aangestuurd worden.A displaceable crossing bridge system according to claim 1 or 2, wherein: the staircase (1) comprises an internal staircase and an external staircase mounted below the internal staircase; the inner staircase and the outer staircase each comprise a step frame (1-1) and steps (1-2) mounted one behind the other on the step frame, while stair railings (1-3) are attached to an outer end of the step frame of the outside step; an outer tube and a hydraulic cylinder are attached to both ends of the stair frame of the inner stair and an inner tube is correspondingly attached to both ends of the stair frame of the outer stair; the inner tube is inserted into the outer tube; a hydraulic cylinder body is fixed on the stair frame of the internal staircase while a piston of the hydraulic cylinder is connected to the staircase frame of the external staircase; and wherein a retraction and deflection of the hydraulic cylinders are controlled by the data processing unit. 4. Verplaatsbaar oversteekbrugsysteem volgens conclusie 3, waarbij: het bovenste uiteinde van het trapgestel van de binnentrap scharnierend op de steunpilaren rust en de hydraulische cilinders in vertikale stand op de dwarsbalk bevestigd zijn; en de intrekking en uitslag van de hydraulische cilinders door de gegevensverwerkingseenheid gestuurd worden.4. A movable crossing bridge system as claimed in claim 3, wherein: the upper end of the staircase frame of the inner staircase rests on the support pillars and the hydraulic cylinders are mounted in vertical position on the crossbar; and the retraction and deflection of the hydraulic cylinders are controlled by the data processing unit. 5. Verplaatsbaar oversteekbrugsysteem volgens conclusie 3, waarbij: er vier trappen (1) voorzien zijn die symmetrisch gerangschikt zijn aan weerszijden van de brug.The movable crossing bridge system according to claim 3, wherein: four steps (1) are provided which are symmetrically arranged on either side of the bridge.
NL2017065A 2015-11-09 2016-06-29 A Movable Overbridge System Specification NL2017065B1 (en)

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CN201510754169.0A CN105350443B (en) 2015-11-09 2015-11-09 Removable sky bridge system

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NL2017065B1 true NL2017065B1 (en) 2017-09-08

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105350443B (en) * 2015-11-09 2016-11-23 中国矿业大学 Removable sky bridge system
CN105421215B (en) * 2015-11-09 2016-11-23 中国矿业大学 Removable overline bridge
CN107620255A (en) * 2017-10-08 2018-01-23 李召 Movable type suitable for alleviating school doorway congestion in road phenomenon is dropped off the guests platform
CN108333954B (en) * 2018-03-23 2024-01-30 宁波梅山岛开发投资有限公司 Mobile bridge electric control system frame
CN111827082A (en) * 2020-06-22 2020-10-27 上海绿地建设(集团)有限公司 Steel structure special-shaped overbridge and installation method

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US20080244841A1 (en) * 2007-04-09 2008-10-09 Lanigan John J Modular pedestrian bridge and system
CN201301430Y (en) * 2008-11-06 2009-09-02 王尚 Movable bridge
CN201593160U (en) * 2009-11-26 2010-09-29 广州大学 Movable and telescopic passenger foot bridge
CN202337942U (en) * 2011-09-24 2012-07-18 董世贤 Movable overpass
CN202416153U (en) * 2011-12-07 2012-09-05 北京市三一重机有限公司 Crawler-type urban pedestrian bridge
CN105350443B (en) * 2015-11-09 2016-11-23 中国矿业大学 Removable sky bridge system
CN105421215B (en) * 2015-11-09 2016-11-23 中国矿业大学 Removable overline bridge

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