WO2008098465A1 - Barrière routière à déplacement transversal - Google Patents

Barrière routière à déplacement transversal Download PDF

Info

Publication number
WO2008098465A1
WO2008098465A1 PCT/CN2008/000185 CN2008000185W WO2008098465A1 WO 2008098465 A1 WO2008098465 A1 WO 2008098465A1 CN 2008000185 W CN2008000185 W CN 2008000185W WO 2008098465 A1 WO2008098465 A1 WO 2008098465A1
Authority
WO
WIPO (PCT)
Prior art keywords
guardrail
road
roller
unit body
laterally movable
Prior art date
Application number
PCT/CN2008/000185
Other languages
English (en)
Chinese (zh)
Inventor
Guozhu Ji
Original Assignee
Guozhu Ji
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 Guozhu Ji filed Critical Guozhu Ji
Publication of WO2008098465A1 publication Critical patent/WO2008098465A1/fr

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/02Continuous barriers extending along roads or between traffic lanes
    • E01F15/12Continuous barriers extending along roads or between traffic lanes and having means for providing occasional passage, e.g. for emergency vehicles
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F15/00Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/006Lane control by movable lane separating barriers, e.g. shiftable barriers, retractable kerbs ; Apparatus or barriers specially adapted therefor, e.g. wheeled barriers

Definitions

  • the invention relates to a road guardrail, in particular to a road guardrail which can be moved laterally.
  • the guardrails on the road are fixed in the center of the road by various foundations in various forms, and the roads are separated to regulate the flow of vehicles on the roads, to avoid illegal driving of the vehicles, and to make the road traffic smooth. Therefore, the road guardrails in the prior art are generally incapable of being moved during use.
  • the flow rate of the vehicles is different at different times, such as the peak hours of the big city commuting, large-scale assembly (Olympic Games) , Asian Games, concerts, etc.)
  • the traffic accident on the opening, the field and the road there will be a very crowded road, slow driving and the other side may be quite empty because of the time difference.
  • the existing guardrail is fixed in the middle of the road.
  • the roads are generally Separating belts with segmented and fixed green belts are used to separate vehicles from each other.
  • the length of each section is about 2 to 3 km.
  • the present invention provides a laterally movable road guardrail having a connection structure connected to other road guardrails on both sides, and the guard rail unit body as a main body, wherein: at least one of the guard rail unit body is added a guardrail driving mechanism and a roller set installed at a bottom end of the guardrail unit to laterally move the guardrail unit; wherein the guardrail driving mechanism includes at least one electric motor and a transmission mechanism for controlling the advancement and retreat of the roller set, at least one of the roller sets
  • the roller is a driving roller connected to the transmission mechanism, and the central axis of each roller is parallel with the longitudinal direction of the guardrail unit, so that the roller can drive the lateral movement of the guardrail unit under the action of the driving mechanism, that is, the moving direction of the road guardrail is perpendicular to the guardrail unit.
  • the length direction of the body is a driving roller connected to the transmission mechanism, and the central axis of each roller is parallel with the longitudinal direction of the guardrail unit, so that the roller can drive the lateral movement
  • a plurality of road guardrails can be connected and grown by the connection structure of the guardrail unit body.
  • Long road separation barriers placed longitudinally in the road, separating the roads, correspondingly setting up the municipal grid power interface on the road, so that the entire section of the road laterally moving the guardrail on the left or right side of the fence drive mechanism and the municipal grid connection.
  • the guardrail can be erected on the road surface due to the self-locking function of the guardrail driving mechanism; when the traffic flow on both sides of the road is obviously different, the drive on the road guardrail can be utilized.
  • the mechanism moves a certain section of the road separation barrier laterally to adjust the width of the road on both sides of the guardrail, so that the road of the crowded road section is widened, and the road with few convective vehicles is narrowed, thereby realizing the purpose of quickly diverting traffic.
  • the invention can be improved as follows: a mounting box is arranged outside the guard rail driving mechanism and the guard rail unit body is connected as a rigid body, wherein the motor and the transmission mechanism are located below the installation box, and the roller group is connected with the transmission mechanism.
  • the active roller is placed under the installation box, and the control button for controlling the drive mechanism is located above the installation box for easy operation.
  • the operation door, or the operation box is arranged in the installation box, and the operation box door has a door lock.
  • the mounting box according to the present invention may be located in the middle of the guard rail unit body or at any side of the guard rail unit body.
  • the invention can also be provided with a junction box on the mounting box for connecting the power supply or electrically connecting to an adjacent road barrier.
  • the invention can also be further improved: more than one mounting box and driving mechanism are arranged on the guard rail unit body, which is suitable for a long guard rail unit body, and more than one mounting box is distributed in the middle or both sides of the guard rail unit body, or The middle and both sides of the guard rail unit body enable a long guard rail unit body to smoothly move laterally as a whole.
  • the axle of the roller of the present invention can be connected to the guard unit body or the mounting box through the bearing, so that the roller rolls smoothly and the service life of the axle is improved.
  • the transmission mechanism of the present invention can adopt a sprocket transmission mechanism, which is composed of a sprocket, a chain and a transmission shaft, wherein the sprocket is further composed of a driving sprocket mounted on the output shaft of the motor and a driven chain mounted on the transmission shaft.
  • the wheel is composed of a wheel that is connected to the wheel as a roller and is movably connected to the guard unit or the lower end of the box.
  • the driving sprocket and the chain on the output shaft of the motor transmit the torque to the driven sprocket on the transmission shaft, thereby driving the roller mounted on the transmission shaft to rotate, so that the guardrail unit
  • the body advances or retreats laterally, achieving the purpose of lateral movement of the guardrail unit.
  • the transmission mechanism of the present invention can also adopt a gear transmission mechanism, a first-stage gear transmission or a gear transmission of one or more stages. It is mainly composed of a gear and a transmission shaft.
  • the driving gear is mounted on the output shaft of the motor, and the driven gear of the last stage is mounted on the transmission shaft.
  • the transmission shaft is connected to the roller as the axle of the roller, and is movably connected to the guardrail unit body. Or install the lower end of the box.
  • the driving gear on the output shaft of the motor meshes with the driven gear on the transmission shaft.
  • the driving gear transmits torque through the driven gear of one or more stages.
  • the roller is rotated, thereby driving the guardrail unit body to advance or retreat laterally, thereby achieving the purpose of moving the guardrail unit body.
  • the transmission mechanism of the present invention can also adopt other transmission mechanisms that transmit torque, such as a worm gear transmission mechanism, a belt transmission mechanism, and the like.
  • the utility model can further improve the following: the guardrail unit body is connected by a hollow tube into a grid structure, and the cable line of the driving mechanism is routed through the hollow tube, and external electricity is arranged on both sides of the longitudinal direction of the road guardrail.
  • the external electrical connection ports corresponding to each adjacent two guardrail unit bodies can be connected by an electrical connecting member to drive the entire road guardrail unit body. Connect in series or in parallel.
  • the connecting structure connected to other road guardrails on both sides of the road guardrail according to the present invention may adopt a conventional connecting structure, such as a connection of a connecting piece and a hardware.
  • the present invention has the following beneficial effects: Since the guard rail unit body is provided with a driving mechanism capable of laterally moving the guard rail, the guard rail can be relatively operated in a short time under the action of the driving mechanism.
  • the lateral movement in the longitudinal direction of the guardrail that is, the lateral movement of the road surface, enables a certain section of the road separation barrier in the middle of the road to be moved in a short time, changing the lane width of the two-way traffic under normal conditions, so as to adapt to the road due to the vehicle
  • the traffic flow varies from time to time, such as the peak hours of the work, the opening of large gatherings, the field and the occurrence of traffic accidents.
  • FIG. 1 is a front elevational view of a road guardrail according to a first embodiment of the present invention
  • FIG. 2 is a side elevational view of a road guardrail according to Embodiment 1 of the present invention.
  • 3 is a top plan view of a road guardrail according to Embodiment 1 of the present invention
  • 4 is a circuit schematic diagram of connection control of each reduction motor when a set of road separation guardrails is constructed according to an embodiment of the present invention
  • Figure 5 is a schematic view showing the setting of a road guardrail according to a second embodiment of the present invention.
  • Figure 6 is a plan view showing a situation in which a traffic jam occurs on a road on a two-way road where a road laterally moving guard rail is installed;
  • FIG 7 is provided with a lateral movement of the road after the road plane A mobile fence intended to embodiment ⁇ ;:; FIG 8 is a plan view of a road when the road is provided according to a third high-speed or fast moving laterally road guardrail A embodiment of the present invention.
  • a laterally movable road barrier shown in Figures 1-4 is one of the embodiments of the present invention.
  • the laterally movable road guardrail in this embodiment is composed of a grille type body unit 1, a junction box 2, an operation box 3, a mounting box 4, and a driving mechanism located in the mounting box 4.
  • the roller set 8 and the guardrail connection structure are composed.
  • the driving mechanism is located below the mounting box 4, which is composed of an electric motor 11 and a transmission mechanism, the electric motor 11 adopts a reduction motor, and the transmission mechanism adopts a sprocket transmission mechanism, which is composed of a sprocket 5, a chain 6, and a transmission shaft 7, and a chain
  • the wheel 5 is in turn composed of a drive sprocket 51 mounted on the motor output shaft and a driven sprocket 52 mounted on the drive shaft.
  • the roller set 8 is composed of a driving roller 81 and a driven roller 82.
  • the transmission shaft 7 is connected as an axle of the driving roller 81 to the two driving rollers 81, and the bearing connecting plate 9 is mounted on the bottom surface of the mounting box 4 through the bearing 10.
  • Upper, the central axis of the transmission shaft 7 is parallel to the longitudinal direction of the guard unit unit 1.
  • the driven roller 82 is disposed under the mounting box 4, and forms a pin-shaped distribution with the two driving rollers 81 (see Fig. 3), so that the mounting box 4 can be smoothly erected on the ground or can be smoothly moved.
  • the guard rail unit body 1 of the present embodiment is provided with only one mounting box 4 and one driving mechanism, which is located at one side of the guard rail unit body, and the two are integrally connected by welding, and the mounting box 4 is equal to the guard rail unit body 1.
  • the control key of the control drive mechanism is located in the operation box 3 with the door lock above the installation box 4, so that the movement operation of the road guardrail can only be performed by a specific person. It should be noted that for the whole composition of the present invention For the section road separation barrier, only one of the road barriers has only a control key, that is, in the road guardrail of the present invention, most of the road guardrails can omit the operation box 3.
  • a driven roller 82 is provided below the other side of the mounting box 4, so that the guard unit unit 1 can also follow when the driving mechanism drives the driving roller.
  • FIG. 7 is a schematic plan view of a road section in which a section of the road partition guardrail constructed by the present invention is laterally moved to a convective road where no traffic jam occurs, to widen the traffic flow of the traffic jam road.
  • connection structure of the edge ends of the road guardrails in this embodiment adopts a bolt-and-nut connection structure, wherein the guard rail unit body 1 and the installation box 4 are provided as connecting pieces with connecting holes on the two sides of the road guardrail.
  • the connecting pieces corresponding to the two adjacent road guardrails are overlapped, the connecting holes are aligned, and the two are connected by bolts and nuts, so that a plurality of road barriers of the present invention can be connected to a section of the road dividing guardrail.
  • the guardrail unit body 1 is connected by a hollow steel pipe into a grid structure, and the cable of the driving mechanism is routed through the hollow steel pipe, and an external electrical connection port is provided at a side portion of the guardrail unit body 1 having a connection structure, and
  • the junction box 2 in the mounting box 4 serves as an external electrical connection port at the edge of the mounting box 4.
  • the municipal grid power interface is accordingly provided on the road, as long as one of the road guardrails in the entire section of the road separation fence formed by the present invention is usually the external one of the upper end of the road railing of the end
  • the connection port is electrically connected to the municipal grid power interface on the road to connect each of the fence drive mechanisms on the entire road separation barrier to the municipal power source.
  • FIG. 4 a schematic diagram of a driving mechanism control circuit of a section of a road partition guardrail constructed by the present invention, pressing SB1 (not temporarily released), energizing the contactor coil KM1 (4- 5), and turning on the moving mechanism Main circuit, all motors are energized forward, the guardrail is moved forward, and the contactor M2 of the control guardrail retreating action is combined by the SB1 breaking contact SB1 (2- 6) and the KM1 auxiliary breaking contact KM1 (8-1). lock.
  • the laterally movable road barrier shown in Fig. 5 is the second embodiment of the present invention.
  • three mounting boxes 4 and driving mechanisms placed in the mounting box 4 are disposed on the guard rail unit body 1, and the three mounting boxes 4 are distributed in the middle and both sides of the guard rail unit body 1,
  • the utility model is integrally connected with the guardrail unit body 1 by welding, and the connection structures connected to the adjacent road guardrails on both sides of the road guardrail are respectively disposed at the outer edges of the installation box on both sides of the guardrail unit body 1, thereby comprising A longer road barrier can move laterally smoothly across the board.
  • the arrangement and configuration of the drive mechanism, the roller set 8, the guard rail connection structure, and the drive mechanism control circuit in each of the mounting boxes 4 are the same as those in the above embodiment.
  • the laterally movable road barrier shown in FIG. 8 is the third embodiment of the present invention. It differs from the first embodiment in that the present embodiment is to set a road lateral movement guardrail on a high speed or fast road, a high speed or a fast road.
  • the present embodiment is to set a road lateral movement guardrail on a high speed or fast road, a high speed or a fast road.
  • the middle there are generally separated and fixed green belts and other isolation belts 12 for the vehicles to be separated.
  • Each of the isolation belts 12 is approximately 2 to 3 km long, and there is a gap between adjacent isolation belts 12, and the road lateral movement fence A is tight.
  • the road is laterally moved to the other side of the isolation belt 12
  • the area B area is laterally moved for a distance until the lateral distance between the road lateral movement guardrail A and the separation zone 12 is at least one vehicle can be driven.
  • the vehicle in the driving area E area can pass through the isolation belt 12
  • the gap between the above into the interval area C above, and in the appropriate section, such as can avoid the location of the traffic accident D and then from Other side of the gap area returned by the C zone E to continue driving normally, thereby solving the problem of heavy or fast-speed road.
  • the form of the combination can be flexible:
  • the road railings of the different embodiments can be combined with the road railings of the different embodiments.
  • the road rails of the embodiment 1 can be alternately connected with the road rails of the second embodiment into a section.
  • the road partition guardrail; even the road guardrail of the embodiment 2 and the ordinary grid type guardrail with the roller set are alternately connected to form a road partition guardrail, and the common grid type guardrail is respectively connected to the two embodiments of the present invention.
  • the mounting box at the side of the road guardrail of Example 2 can also be moved laterally by the road guardrail of the second embodiment of the present invention.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

L'invention concerne une barrière routière à déplacement transversal, dont les deux côtés présentent des éléments de couplage utilisés pour un raccordement à d'autres barrières routières. Un module de barrière (1) est le corps principal de cette barrière routière, au moins un mécanisme d'entraînement de barrière et un groupe de poulies (8) situé sur la partie inférieure du module de barrière (1) sont agencés dans le module de barrière (1), ce mécanisme d'entraînement de barrières comprend au moins un moteur électrique (11) destiné à déplacer le groupe de poulies (8) en avant ou en arrière et un mécanisme de transmission, ce groupe de poulies(8) comprend au moins une poulie utilisée comme poulie d'entraînement en connexion avec le mécanisme de transmission, l'axe de chaque poulie courant parallèlement à la longueur du module de barrières (1). Par conséquent ce module de barrière (1) peut être déplacé de manière transversale par le mécanisme d'entraînement, cette barrière routière pouvant se déplacer perpendiculairement à la longueur du module de barrières (1).
PCT/CN2008/000185 2007-02-14 2008-01-25 Barrière routière à déplacement transversal WO2008098465A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710026955.4 2007-02-14
CNA2007100269554A CN101016731A (zh) 2007-02-14 2007-02-14 一种可横向移动的道路护栏

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WO2008098465A1 true WO2008098465A1 (fr) 2008-08-21

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WO (1) WO2008098465A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107988958A (zh) * 2017-11-21 2018-05-04 浙江工业大学 一种基于罗盘测角红外线测距的潮汐车道变更系统及方法
CN107988957A (zh) * 2017-11-21 2018-05-04 浙江工业大学 基于光电扫描避障的潮汐车道变更系统及方法
CN107988956A (zh) * 2017-11-21 2018-05-04 浙江工业大学 一种基于角度传感器和绝对编码器的车道变更装置及方法
CN107988948A (zh) * 2017-11-21 2018-05-04 浙江工业大学 一种基于3d电子罗盘的潮汐车道变更系统及方法
CN111021290A (zh) * 2019-11-22 2020-04-17 深圳市综合交通设计研究院有限公司 一种子母式可启闭的中央防撞栏系统
CN114120669A (zh) * 2021-11-29 2022-03-01 安徽馥蔓科技有限公司 一种基于车流量的智能调节红绿灯时间的道路监控系统

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CN101016731A (zh) * 2007-02-14 2007-08-15 吉国柱 一种可横向移动的道路护栏
CN102426105A (zh) * 2011-08-31 2012-04-25 重庆长安汽车股份有限公司 一种汽车碰撞试验防护装置
CN102852060A (zh) * 2012-10-12 2013-01-02 四川大学 通过移动栅栏改变左右车道数目的方法
CN104032632A (zh) * 2013-03-04 2014-09-10 韦之 道路交通设施
CN106677093B (zh) * 2017-03-06 2022-03-22 聂伟才 一种人、车混用自动道闸系统
CN107740369B (zh) * 2017-11-08 2018-07-24 广东华美加工程顾问有限公司 一种市政道路中央隔离护栏装置
CN107938557A (zh) * 2017-11-28 2018-04-20 湖南悍马金属构件有限公司 自动变换车道护栏
CN108951396B (zh) * 2018-07-31 2021-07-27 深圳市荣成建筑劳务有限公司 一种具有防锈功能的人行天桥
CN111042030A (zh) * 2019-12-25 2020-04-21 浙江恒则熙交通科技有限公司 一种移动护栏
CN112211133A (zh) * 2020-10-26 2021-01-12 李兆灿 一种便于快速逃生的单向十字转闸

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0690176A1 (fr) * 1994-06-27 1996-01-03 SPIG SCHUTZPLANKEN-PRODUKTIONS-GESELLSCHAFT MBH & CO.KG File de modules séparateurs
CN2397177Y (zh) * 1999-12-28 2000-09-20 同济大学 移动式车道隔离装置
US20010048845A1 (en) * 1987-09-16 2001-12-06 Jack John A. Barricade apparatus
US20020154947A1 (en) * 2001-04-19 2002-10-24 The Board Of Regents Of The University Of Nebraska Road safety marker assembly
CN101016731A (zh) * 2007-02-14 2007-08-15 吉国柱 一种可横向移动的道路护栏
CN201013011Y (zh) * 2007-02-14 2008-01-30 吉国柱 一种可横向移动的道路护栏

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010048845A1 (en) * 1987-09-16 2001-12-06 Jack John A. Barricade apparatus
EP0690176A1 (fr) * 1994-06-27 1996-01-03 SPIG SCHUTZPLANKEN-PRODUKTIONS-GESELLSCHAFT MBH & CO.KG File de modules séparateurs
CN2397177Y (zh) * 1999-12-28 2000-09-20 同济大学 移动式车道隔离装置
US20020154947A1 (en) * 2001-04-19 2002-10-24 The Board Of Regents Of The University Of Nebraska Road safety marker assembly
CN101016731A (zh) * 2007-02-14 2007-08-15 吉国柱 一种可横向移动的道路护栏
CN201013011Y (zh) * 2007-02-14 2008-01-30 吉国柱 一种可横向移动的道路护栏

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107988958A (zh) * 2017-11-21 2018-05-04 浙江工业大学 一种基于罗盘测角红外线测距的潮汐车道变更系统及方法
CN107988957A (zh) * 2017-11-21 2018-05-04 浙江工业大学 基于光电扫描避障的潮汐车道变更系统及方法
CN107988956A (zh) * 2017-11-21 2018-05-04 浙江工业大学 一种基于角度传感器和绝对编码器的车道变更装置及方法
CN107988948A (zh) * 2017-11-21 2018-05-04 浙江工业大学 一种基于3d电子罗盘的潮汐车道变更系统及方法
CN111021290A (zh) * 2019-11-22 2020-04-17 深圳市综合交通设计研究院有限公司 一种子母式可启闭的中央防撞栏系统
CN111021290B (zh) * 2019-11-22 2023-12-15 深圳市综合交通设计研究院有限公司 一种子母式可启闭的中央防撞栏系统
CN114120669A (zh) * 2021-11-29 2022-03-01 安徽馥蔓科技有限公司 一种基于车流量的智能调节红绿灯时间的道路监控系统

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