CN109778733A - A kind of crossing-fiver bridge Entrance ramp height-limiting frame - Google Patents

A kind of crossing-fiver bridge Entrance ramp height-limiting frame Download PDF

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Publication number
CN109778733A
CN109778733A CN201910041105.4A CN201910041105A CN109778733A CN 109778733 A CN109778733 A CN 109778733A CN 201910041105 A CN201910041105 A CN 201910041105A CN 109778733 A CN109778733 A CN 109778733A
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China
Prior art keywords
height
limit
frame
bar
limiting
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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.)
Pending
Application number
CN201910041105.4A
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Chinese (zh)
Inventor
杜志刚
焦方通
蒋锦港
王朝
倪玉丹
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Priority to CN201910041105.4A priority Critical patent/CN109778733A/en
Publication of CN109778733A publication Critical patent/CN109778733A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to traffic safety technology fields, refer in particular to a kind of crossing-fiver bridge Entrance ramp height-limiting frame, limit for height protective frame and liftable including being set to the adjustment of ring road inlet liftable adjust and are installed with the limit for height Warning frame of reflective membrane, limit for height protective frame and limit for height Warning frame are spaced a distance setting, limit for height Warning frame is set to before limit for height protective frame, limit for height mark and variable message board are equipped with above limit for height Warning frame, height-adjustable limit for height Warning frame height-limiting bar is equipped with below limit for height Warning frame, Anti-collision barrel is equipped with before the limit for height protective frame vertical bar of limit for height protective frame, Anti-collision barrel and alarm column are equipped with before the limit for height Warning frame vertical bar of limit for height Warning frame.Limit for height Warning frame by being equipped with reflective membrane, limit for height mark and variable message board is played with good warning, driver is set preferably to pay attention to limit for height information, the Anti-collision barrel and alarm column before the limit for height Warning frame vertical bar of limit for height Warning frame can avoid vehicle and directly hit limit for height Warning frame vertical bar and have certain sight guiding function.

Description

A kind of crossing-fiver bridge Entrance ramp height-limiting frame
Technical field
The present invention relates to traffic safety technology fields, refer in particular to a kind of crossing-fiver bridge Entrance ramp height-limiting frame.
Background technique
For the traffic safety for ensuring the special road such as grade separation, overhead, bridge, tunnel, relevant departments put into effect measure and forbid surpassing High vehicle or oversize vehicle are travelled in the above special road section, pass through the entrance in the special road such as grade separation, overhead, bridge, tunnel Place's setting height-limiting frame, limits the passage of Overheight Vehicles or oversize vehicle, is played with this and ensures the above special traffic safety Effect.
But the design of current height-limiting frame is not perfect, does not meet the pre- of the frame person of sailing in overhead or advanced road setting height-limiting frame Phase, superelevation or oversize vehicle happen occasionally with the event that height-limiting frame collides, and seriously threaten driver and passenger, vehicle and special The traffic safety of road.In recent years, the injures and deaths thing side caused at crossing-fiver bridge Entrance ramp by height-limiting frame is particularly acute.Due to Set height-limiting frame lacks good sight guidance and warning function, oversize vehicle driver are not easy to pay attention to height-limiting frame or to height-limiting frame Maximum height limit generate erroneous judgement, the above many reasons induce crossing-fiver bridge Entrance ramp inlet Vehicular impact height-limiting frame etc. friendship The generation of interpreter's event needs a kind of safely and effectively crossing-fiver bridge Entrance ramp height-limiting frame.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of crossing-fiver bridge Entrance ramp height-limiting frames, anti-by being equipped with The limit for height Warning frame of light film, limit for height mark and variable message board is played with good warning, and driver can be made better Pay attention to limit for height information, it is direct that the Anti-collision barrel and alarm column before the limit for height Warning frame vertical bar of limit for height Warning frame can avoid vehicle It hits limit for height Warning frame vertical bar and there is certain sight guiding function, limit for height protective frame forbids any superelevation as ramp metering rate Vehicle drives into, and effective protection can be carried out to limit for height section, it is anti-to constitute second level for setting before and after limit for height Warning frame and limit for height protective frame Shield has good warning, inductivity and crashworthiness.
To achieve the goals above, the technical solution that the present invention applies is as follows:
A kind of crossing-fiver bridge Entrance ramp height-limiting frame, including be set to ring road inlet liftable adjustment limit for height protective frame with Liftable adjusts and is installed with the limit for height Warning frame of reflective membrane, and limit for height protective frame and limit for height Warning frame are spaced a distance setting, Limit for height Warning frame is set to before limit for height protective frame, and limit for height mark and variable message board are equipped with above limit for height Warning frame, and limit for height is alert Show and be equipped with height-adjustable limit for height Warning frame height-limiting bar below frame, is equipped with before the limit for height protective frame vertical bar of limit for height protective frame anti- Bucket is hit, is equipped with Anti-collision barrel and alarm column before the limit for height Warning frame vertical bar of limit for height Warning frame.
Furthermore, the internal truss frame structure of the limit for height Warning frame include the limit for height Warning frame vertical bar that is fixedly connected with Limit for height Warning frame cross bar, limit for height Warning frame vertical bar include the vertical bar one and vertical bar two being respectively arranged at left and right sides of limit for height Warning frame, Vertical bar one and the interval of vertical bar two are arranged, and are fixedly connected between vertical bar one and vertical bar two by more support rods, limit for height Warning frame is horizontal Bar includes cross bar one and cross bar two, and cross bar one and the interval of cross bar two are arranged, pass through between cross bar one and cross bar two between by more Root support rod is fixedly connected.
Furthermore, the limit for height Warning frame vertical bar and limit for height Warning frame cross bar meet vehicle direction with aluminium sheet and be rolled into it is flat Face, and surface of aluminum plate is installed with the reflective membrane red and white of 30~40cm wide.
Furthermore, the limit for height Warning frame height-limiting bar uses flexible structure, and limit for height Warning frame height-limiting bar passes through connection Bar is height-adjustable on the bottom of the limit for height Warning frame cross bar of limit for height Warning frame, and limit for height Warning frame height-limiting bar includes limit for height Bar one and height-limiting bar two, height-limiting bar one and the interval of height-limiting bar two are arranged.
Furthermore, the limit for height Warning frame height-limiting bar is rolled into plane, and surface of aluminum plate with aluminium sheet meeting vehicle direction It is installed with the black alternate reflective membrane of Huang of 30~40cm wide.
Furthermore, the Anti-collision barrel before the limit for height Warning frame vertical bar includes three of structural arrangement triangular in shape anti- Hit bucket, the alarm column before Anti-collision barrel includes 11 alarm columns of structural arrangement triangular in shape, the height of alarm column be higher than or Equal to 70cm.
Furthermore, the limit for height protective frame include limit for height protective frame vertical bar at left and right sides of the limit for height protective frame with Limit for height protective frame height-limiting bar, limit for height protective frame height-limiting bar is height-adjustable to be set between two sides limit for height protective frame vertical bar.
Furthermore, the surface of the limit for height protective frame height-limiting bar is equipped with limit for height mark, collaborates to indicate and allow rower Will.
Furthermore, the front and rear sides of the limit for height protective frame vertical bar are respectively equipped with limit for height protective frame hound.
The invention has the advantages that:
1) composition second level protection is set before and after limit for height Warning frame and limit for height protective frame, limit for height Warning frame has good warning Property, inductivity, flexible impact remind design to people, vehicle, limit for height structure fanout free region;Limit for height protective frame is forced as ramp metering rate Limit for height forbids any Overheight Vehicles to drive into, and can effectively ensure the safety of bridge, height-limiting frame and vehicle;
2) for the internal truss frame framework of limit for height Warning frame to be each side four vertical bars, top is two cross bars, is being met Vehicle direction is much larger than the area of single vertical bar, and red and white and yellow black alternate superpower grade aluminium with the area of plane that aluminium sheet wraps up Carry on the back base reflective membrane formed sharp contrast, have good warning effect, be conducive to driver preferably find height-limiting frame position, Judge institute's limit for height degree;
3) the height-limiting bar liftable of limit for height Warning frame is adjusted and is designed for flexible structure, and overall stiffness is little, even if flexible Structure has reminder alarm effect to driver after being hit, and will not damage to vehicle.
Detailed description of the invention
Fig. 1 is crossing-fiver bridge Entrance ramp height-limiting frame design front schematic view;
Fig. 2 is crossing-fiver bridge Entrance ramp height-limiting frame design schematic top plan view;
Fig. 3 is the internal truss frame structural schematic diagram of limit for height Warning frame;
Fig. 4 is reflective membrane package schematic diagram red and white;
Fig. 5 is limit for height protective frame front schematic view;
Fig. 6 is limit for height protective frame vertical bar schematic diagram.
1. limit for height protective frame;2. limit for height Warning frame;3. Anti-collision barrel;4. limit for height mark;5. interflow mark;6. variable information Plate;7. yield signs;8. alarm column;11. limit for height protective frame vertical bar;12. limit for height protective frame height-limiting bar;13. limit for height protective frame is oblique Strut;21. limit for height Warning frame vertical bar;210. vertical bars one;211. vertical bars two;22. limit for height Warning frame cross bar;220. cross bars one; 221. cross bars two;23. support rod;24. limit for height Warning frame height-limiting bar;240. height-limiting bars one;241. height-limiting bars two;25. connecting rod; 26. reflective membrane red and white;27. yellow black alternate reflective membrane.
Specific embodiment
Technical solution of the present invention is illustrated with embodiment with reference to the accompanying drawing.
As shown in Figures 1 to 6, a kind of crossing-fiver bridge Entrance ramp height-limiting frame of the present invention, including it is set to ring road entrance The limit for height protective frame 1 and liftable of place's liftable adjustment adjust and are installed with the limit for height Warning frame 2 of reflective membrane, limit for height protective frame 1 It is spaced a distance setting with limit for height Warning frame 2, limit for height Warning frame 2 is set to before limit for height protective frame 1, on limit for height Warning frame 2 Side is equipped with limit for height mark 4 and variable message board 6, is equipped with height-adjustable limit for height Warning frame height-limiting bar below limit for height Warning frame 2 24, Anti-collision barrel 3, the limit for height Warning frame vertical bar 21 of limit for height Warning frame 2 are equipped with before the limit for height protective frame vertical bar 11 of limit for height protective frame 1 Front is equipped with Anti-collision barrel 3 and alarm column 8.The above constitutes basic structure of the present invention.
The present invention uses such structure setting, by the limit for being equipped with reflective membrane, limit for height mark 4 and variable message board 6 High Warning frame 2 is played with good warning, and driver can be made preferably to pay attention to limit for height information, set on limit for height Warning frame 2 The Anti-collision barrel 3 and alarm column 8 of 21 front of limit for height Warning frame vertical bar can avoid vehicle and directly hit limit for height Warning frame vertical bar 21 and have There is certain sight guiding function, limit for height protective frame 1 forbids any Overheight Vehicles to drive into as ramp metering rate, can be to limit for height road Before and after Duan Jinhang effective protection, limit for height Warning frame 2 and limit for height protective frame 1 setting constitute second level protection, have good warning, Inductivity and crashworthiness.
In practical application, a stopping sight distance is spaced between limit for height protective frame 1 of the present invention and limit for height Warning frame 2 Position, driver can judge with sensed in advance to limit for height Warning frame 2 and correctly limit for height, even if vehicle hits front accidentally Limit for height Warning frame 2, the limit for height protective frame 1 at rear may insure to carry out effective protection to limit for height section and vehicle.
In practical application, variable message board 6 of the present invention is set to the surface of limit for height Warning frame 2, and limit for height mark 4 is set In the upper right corner of limit for height Warning frame 2, variable message board 6 can the real-time display section the traffic informations such as limit for height, the size of mark Should be more bigger than according to the value of desin speed, the information visibility of variable message board 6 up to 30S with up stroke, and can Embodying main line, whether congestion, ring road the multidate informations such as close, while limit for height Warning frame 2 and its limit for height can be made more to wake up Mesh.
More specifically, the internal truss frame structure of the limit for height Warning frame 2 includes the limit for height Warning frame vertical bar being fixedly connected 21 with limit for height Warning frame cross bar 22, limit for height Warning frame vertical bar 21 include the vertical bar one for being respectively arranged on the left and right sides of limit for height Warning frame 2 210 are arranged with vertical bar 2 211, vertical bar 1 and the interval of vertical bar 2 211, pass through more between vertical bar 1 and vertical bar 2 211 Support rod 23 is fixedly connected, and limit for height Warning frame cross bar 22 includes cross bar 1 and cross bar 2 221, cross bar 1 and cross bar two 221 interval settings, pass through between cross bar 1 and cross bar 2 221 between be fixedly connected by more support rods 23.Using in this way Structure setting, saving material cost can be played making limit for height Warning frame vertical bar 21 and when limit for height Warning frame cross bar 22, simultaneously By support rod 23 as being fixedly connected between vertical bar, plays and reinforce limit for height Warning frame vertical bar 21 and limit for height Warning frame cross bar 22 Firm supporting degree.
In practical application, it is perpendicular that limit for height Warning frame (2) of the present invention is respectively arranged on the left side and the right side four limit for height Warning frames Bar 21, limit for height Warning frame vertical bar 21 using square structure design, setting spacing be 0.4~0.6m, adjacent two vertical bars 1 and It is reinforced with four support rods 23 by equal equal part between vertical bar 2 211, the spacing of the cross bar 1 of top two and cross bar 2 221 is 0.3 ~0.5m is reinforced between two cross bars 22 by equal equal part with four support rods 23, limit for height Warning frame 2 can be made to have bigger bending resistance Ability, it is more firm.
More specifically, the limit for height Warning frame vertical bar 21 and limit for height Warning frame cross bar 22 are wrapped up with aluminium sheet meeting vehicle direction At plane, and surface of aluminum plate is installed with the reflective membrane red and white 26 of 30~40cm wide.
In practical application, the area of plane of aluminium sheet package of the present invention is much larger than the area of single vertical bar, and red white Alternate superpower grade aluminium back base reflective membrane forms sharp contrast, has good warning effect, is conducive to driver and preferably sends out The position of existing height-limiting frame judges institute's limit for height degree.
In practical application, when meeting vehicle direction and being wrapped up with aluminium sheet, should at least it wrap to the back side of limit for height Warning frame vertical bar 21, aluminium The reflective membrane red and white 26 of plate surface installing is that superpower grade aluminium carries on the back base reflective membrane, and the tilt angle of red white marker is 45 degree, Spacing can use 2/3rds of aluminium sheet width, and limit for height Warning frame 2 and its limit for height can be made more eye-catching.
More specifically, the limit for height Warning frame height-limiting bar 24 uses flexible structure, and limit for height Warning frame height-limiting bar 24 passes through Connecting rod 25 is height-adjustable on the bottom of the limit for height Warning frame cross bar 22 of limit for height Warning frame 2, limit for height Warning frame limit for height Bar 24 includes height-limiting bar 1 and height-limiting bar 2 241, and height-limiting bar 1 and the interval of height-limiting bar 2 241 are arranged.Using such Structure setting designs limit for height Warning frame height-limiting bar 24 using flexible structure, and overall stiffness is little, even if after flexible structure is hit There is reminder alarm effect to driver, vehicle will not be damaged.
In practical application, the spacing of height-limiting bar 1 of the present invention and height-limiting bar 2 241 is 0.3~0.5m, limit for height Bar 24 is hinged by three connecting rods 25 and cross bar 22, and height of the lower edge of bottom height-limiting bar 24 apart from road surface is institute's limit for height Degree, institute's limit for height degree can carry out lift adjustment by connecting rod 25.
More specifically, the limit for height Warning frame height-limiting bar 24 is rolled into plane, and aluminium sheet table with aluminium sheet meeting vehicle direction Face is installed with the black alternate reflective membrane 27 of Huang of 30~40cm wide.
In practical application, the area of plane of aluminium sheet package of the present invention is much larger than the area of single vertical bar, and yellow black Alternate superpower grade aluminium back base reflective membrane forms sharp contrast, has good warning effect, is conducive to driver and preferably sends out The position of existing height-limiting frame judges institute's limit for height degree.
In practical application, the black alternate reflective membrane 27 of Huang of surface of aluminum plate installing is that superpower grade aluminium carries on the back base reflective membrane, Huang Heibiao The tilt angle of note is 45 degree, and its spacing can use 2/3rds of aluminium sheet width, and it is black to be conducive to prominent limit for height Warning frame height-limiting bar 24 The color of yellow alternate reflective membrane 27 differentiates conducive to the perception of driver.
More specifically, the Anti-collision barrel 3 of 21 front of limit for height Warning frame vertical bar includes the three of structural arrangement triangular in shape A Anti-collision barrel 3, the alarm column 8 of 3 front of Anti-collision barrel include 11 alarm columns 8 of structural arrangement triangular in shape, the height of alarm column 8 Degree is greater than or equal to 70cm.Using such structure setting, can have better warning function and sight guiding function to vehicle.
More specifically, the limit for height protective frame 1 includes the limit for height protective frame vertical bar set on 1 left and right sides of limit for height protective frame 11 with limit for height protective frame height-limiting bar 12, limit for height protective frame height-limiting bar 12 it is height-adjustable be set to two sides limit for height protective frame vertical bar 11 Between.
More specifically, the surface of the limit for height protective frame height-limiting bar 12 is equipped with limit for height mark 4, interflow mark 5 and allows Line flag 7.
In practical application, interflow mark 5 of the present invention is that fluorescence is yellowish green, and limit for height mark 4, interflow and allow mark 5 The size of line flag 7 should be more bigger than according to the value of desin speed, and limit for height protective frame 1 and its limit for height can be made more eye-catching.
More specifically, the front and rear sides of the limit for height protective frame vertical bar 11 are respectively equipped with limit for height protective frame hound 13. Using such structure setting, pass through the firm supporting of the effectively enhancing limit for height protective frame vertical bar 11 of limit for height protective frame hound 13 Degree.
In practical application, limit for height protective frame hound 13 of the present invention and ground are arranged at 60 degree of angles.
The above technical solution in the embodiment of the present invention is described, but the invention is not limited to above-mentioned specific Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much Form, within these are all belonged to the scope of protection of the present invention.

Claims (9)

1. a kind of crossing-fiver bridge Entrance ramp height-limiting frame, it is characterised in that: the limit including being set to the adjustment of ring road inlet liftable High protective frame (1) and liftable adjust and are installed with the limit for height Warning frame (2) of reflective membrane, the limit for height protective frame (1) and limit for height Warning frame (2) is spaced a distance setting, and the limit for height Warning frame (2) is set to before limit for height protective frame (1), and the limit for height is alert Show and be equipped with limit for height mark (4) and variable message board (6) above frame (2), adjustable height is equipped with below the limit for height Warning frame (2) Limit for height Warning frame height-limiting bar (24), be equipped with Anti-collision barrel before the limit for height protective frame vertical bar (11) of the limit for height protective frame (1) (3), Anti-collision barrel (3) and alarm column (8) are equipped with before the limit for height Warning frame vertical bar (21) of the limit for height Warning frame (2).
2. a kind of crossing-fiver bridge Entrance ramp height-limiting frame according to claim 1, it is characterised in that: the limit for height Warning frame (2) internal truss frame structure includes the limit for height Warning frame vertical bar (21) and limit for height Warning frame cross bar (22) being fixedly connected, the limit High Warning frame vertical bar (21) includes the vertical bar one (210) and vertical bar two (211) being respectively arranged at left and right sides of limit for height Warning frame (2), The vertical bar one (210) and vertical bar two (211) interval are arranged, and pass through more between the vertical bar one (210) and vertical bar two (211) Support rod (23) is fixedly connected, and the limit for height Warning frame cross bar (22) includes cross bar one (220) and cross bar two (221), the cross Bar one (220) and cross bar two (221) interval are arranged, and pass through more support rods between the cross bar one (220) and cross bar two (221) (23) it is fixedly connected.
3. a kind of crossing-fiver bridge Entrance ramp height-limiting frame according to claim 2, it is characterised in that: the limit for height Warning frame Vertical bar (21) and limit for height Warning frame cross bar (22) are rolled into plane with aluminium sheet meeting vehicle direction, and surface of aluminum plate be installed with 30~ The reflective membrane red and white (26) of 40cm wide.
4. a kind of crossing-fiver bridge Entrance ramp height-limiting frame according to claim 1, it is characterised in that: the limit for height Warning frame Height-limiting bar 24 uses flexible structure, and the limit for height Warning frame height-limiting bar (24) is set to limit by the way that connecting rod (25) are height-adjustable On the bottom of the limit for height Warning frame cross bar (22) of high Warning frame (2), the limit for height Warning frame height-limiting bar (24) includes height-limiting bar one (240) it is arranged with height-limiting bar two (241), the height-limiting bar one (240) and height-limiting bar two (241) interval.
5. a kind of crossing-fiver bridge Entrance ramp height-limiting frame according to claim 4, it is characterised in that: the limit for height Warning frame Height-limiting bar (24) is rolled into plane with aluminium sheet meeting vehicle direction, and surface of aluminum plate be installed with 30~40cm wide Huang it is black alternate reflective Film (27).
6. a kind of crossing-fiver bridge Entrance ramp height-limiting frame according to claim 1, it is characterised in that: the limit for height Warning frame Anti-collision barrel (3) before vertical bar (21) includes multiple Anti-collision barrels (3) of structural arrangement triangular in shape, before the Anti-collision barrel (3) Alarm column (8) include structural arrangement triangular in shape multiple alarm columns (8), the height of the alarm column (8) is greater than or equal to 70cm。
7. a kind of crossing-fiver bridge Entrance ramp height-limiting frame according to claim 1, it is characterised in that: the limit for height protective frame It (1) include the limit for height protective frame vertical bar (11) and limit for height protective frame height-limiting bar (12) being set at left and right sides of limit for height protective frame (1), institute It is height-adjustable between two sides limit for height protective frame vertical bar (11) to state limit for height protective frame height-limiting bar (12).
8. a kind of crossing-fiver bridge Entrance ramp height-limiting frame according to claim 7, it is characterised in that: the limit for height protective frame The surface of height-limiting bar (12) is equipped with limit for height mark (4), interflow mark (5) and yield signs (7).
9. a kind of crossing-fiver bridge Entrance ramp height-limiting frame according to claim 7, it is characterised in that: the limit for height protective frame The front and rear sides of vertical bar (11) are respectively equipped with limit for height protective frame hound (13).
CN201910041105.4A 2019-01-16 2019-01-16 A kind of crossing-fiver bridge Entrance ramp height-limiting frame Pending CN109778733A (en)

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Application Number Priority Date Filing Date Title
CN201910041105.4A CN109778733A (en) 2019-01-16 2019-01-16 A kind of crossing-fiver bridge Entrance ramp height-limiting frame

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Application Number Priority Date Filing Date Title
CN201910041105.4A CN109778733A (en) 2019-01-16 2019-01-16 A kind of crossing-fiver bridge Entrance ramp height-limiting frame

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110387836A (en) * 2019-07-10 2019-10-29 武汉理工大学 A kind of city tunnel entrance sight line inducing system
CN113077639A (en) * 2021-03-30 2021-07-06 四创电子股份有限公司 Ramp intelligent traffic control method based on radar and lifting type height limiting frame

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JP5520001B2 (en) * 2009-10-27 2014-06-11 積水樹脂株式会社 Road marking object
CN204199205U (en) * 2014-06-23 2015-03-11 甘从远 Anticollision height-limiting frame
CN204252040U (en) * 2014-11-09 2015-04-08 徐朝阳 Novel intelligent road height-limiting frame
CN205474951U (en) * 2016-01-19 2016-08-17 安徽水利水电职业技术学院 A multi -functional limit for height device for road and bridge
CN107178048A (en) * 2017-07-18 2017-09-19 常永江 A kind of all-purpose road bridge height limiter
CN206706607U (en) * 2017-03-17 2017-12-05 许军民 Road and bridge limit for height limit for tonnage prior-warning device
CN206843974U (en) * 2017-06-19 2018-01-05 张勇 A kind of road and bridge height-limiting frame

Patent Citations (7)

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Publication number Priority date Publication date Assignee Title
JP5520001B2 (en) * 2009-10-27 2014-06-11 積水樹脂株式会社 Road marking object
CN204199205U (en) * 2014-06-23 2015-03-11 甘从远 Anticollision height-limiting frame
CN204252040U (en) * 2014-11-09 2015-04-08 徐朝阳 Novel intelligent road height-limiting frame
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110387836A (en) * 2019-07-10 2019-10-29 武汉理工大学 A kind of city tunnel entrance sight line inducing system
CN113077639A (en) * 2021-03-30 2021-07-06 四创电子股份有限公司 Ramp intelligent traffic control method based on radar and lifting type height limiting frame

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Application publication date: 20190521