CN109024355A - A kind of highway communication intelligent monitoring height limiter - Google Patents
A kind of highway communication intelligent monitoring height limiter Download PDFInfo
- Publication number
- CN109024355A CN109024355A CN201811065427.4A CN201811065427A CN109024355A CN 109024355 A CN109024355 A CN 109024355A CN 201811065427 A CN201811065427 A CN 201811065427A CN 109024355 A CN109024355 A CN 109024355A
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- China
- Prior art keywords
- hydraulic oil
- height
- controller
- frame
- intelligent monitoring
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of highway communication intelligent monitoring height limiters, including two columns, described two columns are fixedly mounted on the ground of road both sides, damping device is equipped with above the column, intelligent monitoring height limiter is equipped with above damping device, the column is equipped with controller groove, is equipped with controller in the controller groove；The signal receiving end and displacement sensor and infrared distance sensor of the controller are electrically connected, and power output end and hydraulic oil pump, hydraulic buttery valve, small electric telescopic rod, LED light, flash lamp and the camera of the controller are electrically connected.The invention has the advantages that of simple structure and strong practicability.
Description
Technical field
The present invention relates to road traffic relevant device field, especially a kind of highway communication intelligent monitoring height limiter.
Background technique
Height limiter can be placed on some roads at present, height limiter primarily to warning driver by height, can
Some drivers still can nuzzle up height limiter, or directly impinge above, can cause in this way to driver and other vehicles
Security threat, and existing height limiter is very low for the protectiveness of height limiter itself, collides height limiter for driver and leads
Height limiter damage is caused also to be unable to get strong monitoring.
Summary of the invention
The purpose of the present invention is to solve the above problems, devise a kind of highway communication intelligent monitoring height limiter.
Realize above-mentioned purpose the technical scheme is that, a kind of highway communication intelligent monitoring height limiter, including two
Column, described two columns are fixedly mounted on the ground of road both sides, and damping device, damping device are equipped with above the column
Top is equipped with intelligent monitoring height limiter, and the column is equipped with controller groove, is equipped with controller in the controller groove；
The damping device includes the groove being opened at the center of column upper surface, is equipped with hydraulic cylinder below inside grooves, recessed
Slot lower surface side is provided with hydraulic oil nozzle, is equipped with hydraulic oil pipe on hydraulic oil nozzle, hydraulic oil pipe and hydraulic cylinder into
Hydraulic fluid port is fixedly connected, and stud sides surface is provided with hydraulic oil container slot, and hydraulic oil container, hydraulic oil container are equipped in hydraulic oil container slot
It is interior to be equipped with hydraulic oil, it is provided with hydraulic oil outlet below hydraulic oil container side surface, hydraulic oil outlet is fixedly connected with hydraulic oil pipe, liquid
Hydraulic oil pump is installed on pressuring oil pipe, hydraulic oil pump is located at hydraulic oil outlet side, is equipped with hydraulic buttery valve on hydraulic oil pipe,
Hydraulic buttery valve is located at hydraulic oil pump side；
The intelligent monitoring height limiter includes support column, and support column is flexibly connected with groove, and support column is pressed in hydraulic cylinder and stretches
Above contracting end, trapezoidal limit for height frame is equipped with above support column, two support columns and trapezoidal limit for height frame lower surface both ends, which are fixed, to be connected
It connects, the narrow end of trapezoidal limit for height frame downward, is equipped with displacement sensor, trapezoidal limit for height frame at trapezoidal limit for height frame upper surface center
Several monitoring slots are provided on lower surface, monitoring slot is evenly distributed on trapezoidal limit for height frame, monitors slot and the lane phase on road
It is corresponding, it monitors and small electric telescopic rod is installed at slot inside upper surface center, small electric telescopic rod telescopic end is downward, small electronic to stretch
Monitoring support is installed, monitoring support is flexibly connected with monitoring slot, monitoring support front and rear sides side surface on the telescopic end of contracting bar
Infrared distance sensor is installed, there are two LED light fixed frame, two LED for installation above trapezoidal limit for height frame at center
Lamp fixed frame is located at rear and front end above trapezoidal limit for height frame, and LED light fixed frame is equipped with LED light, and LED light is fixed
Lens fixed seat is installed at the center of frame side surface, flash lamp is installed on lens fixed seat, on lens fixed seat
Camera is installed, camera is located at flash lamp side；
The signal receiving end and displacement sensor and infrared distance sensor of the controller are electrically connected, the electricity of the controller
Source output terminal and hydraulic oil pump, hydraulic buttery valve, small electric telescopic rod, LED light, flash lamp and camera are electrically connected.
The column is made of high strength steel structural material.
The trapezoidal limit for height frame is equipped with antirust paint.
The monitoring direction of the infrared distance sensor is vertical with trapezoidal limit for height frame.
The LED light is made of red caution type LED light.
The camera is made of the high-definition camera of burst mode.
Anti-collision rubber pad is installed on described two bevel edges of trapezoidal limit for height frame.
PLC system and radio signal senders, radio signal senders and external wireless signals are equipped in the controller
Receiver is connected by wireless signal.
The controller is equipped with capacitor display screen, control button and switch button.
The controller, which is equipped with, uses electrical interface, described to be electrically connected with electrical interface and external power supply.
A kind of highway communication intelligent monitoring height limiter made using technical solution of the present invention, by above-mentioned apparatus,
Using damping device and intelligent monitoring height limiter, it can effectively guarantee the safety of height limiter itself, while damping fills
When setting and can guarantee that superelevation automobile passes through height limiter, height limiter will not generate noise because of height relief, use intelligence
Height limiter is monitored, the recorded vehicle of height limiter will can be effectively forced through, demand accident vehicle, while intelligence for traffic police
Height limiter, which can be monitored, can effectively prompt dealing automobile, reduce the probability that superelevation driver prejudges height error, protect
The normal use of height limiter is demonstrate,proved, present apparatus structure is simple, easy to operate.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of highway communication intelligent monitoring height limiter of the present invention；
Fig. 2 is the schematic diagram of damping device of the present invention；
Fig. 3 is the schematic diagram of intelligent monitoring height limiter of the present invention；
Fig. 4 is the schematic diagram of monitoring slot of the present invention；
Fig. 5 is the schematic diagram of controller of the present invention；
In figure, 1, column；2, controller groove；3, controller；4, groove；5, hydraulic cylinder；6, hydraulic oil nozzle；7, hydraulic oil
Pipe；8, hydraulic oil container slot；9, hydraulic oil container；10, hydraulic oil；11, hydraulic oil outlet；12, hydraulic oil pump；13, hydraulic buttery valve；
14, support column；15, trapezoidal limit for height frame；16, displacement sensor；17, slot is monitored；18, small electric telescopic rod；19, monitoring branch
Frame；20, infrared distance sensor；21, LED light fixed frame；22, LED light；23, lens fixed seat；24, flash lamp；25,
Camera；26, anti-collision rubber pad；27, PLC system；28, radio signal senders；29, capacitor display screen；30, control button；
31, switch button；32, electrical interface is used.
Specific embodiment
The present invention is specifically described with reference to the accompanying drawing, as shown in Figs. 1-5, a kind of highway communication intelligent monitoring limit for height
Device, including two columns 1, described two columns 1 are fixedly mounted on the ground of road both sides, are equipped with above the column 1
Damping device, damping device top are equipped with intelligent monitoring height limiter, and the column 1 is equipped with controller groove 2, the control
Controller 3 is equipped in device groove 2；The damping device includes the groove 4 being opened at 1 upper surface center of column, subordinate in groove 4
Side is equipped with hydraulic cylinder 5, and 4 lower surface side of groove is provided with hydraulic oil nozzle 6, is equipped with hydraulic oil pipe on hydraulic oil nozzle 6
7, hydraulic oil pipe 7 is fixedly connected with the oil inlet of hydraulic cylinder 5, is provided with hydraulic oil container slot 8, hydraulic oil above 1 side surface of column
Hydraulic oil container 9 is installed in case slot 8, hydraulic oil 10 is equipped in hydraulic oil container 9, is provided with hydraulic oil below 9 side surface of hydraulic oil container
Outlet 11, hydraulic oil outlet 11 is fixedly connected with hydraulic oil pipe 7, and hydraulic oil pump 12, hydraulic oil pump 12 are equipped on hydraulic oil pipe 7
Positioned at 11 side of hydraulic oil outlet, hydraulic buttery valve 13 is installed on hydraulic oil pipe 7, hydraulic buttery valve 13 is located at hydraulic oil pump 12
Side；The intelligent monitoring height limiter includes support column 14, and support column 14 is flexibly connected with groove 4, and support column 14 is pressed in liquid
Above 5 telescopic end of compressing cylinder, trapezoidal limit for height frame 15, two support columns 14 and trapezoidal limit for height frame 15 are equipped with above support column 14
Lower surface both ends are fixedly connected, and the narrow end of trapezoidal limit for height frame 15 downward, is equipped with position at trapezoidal 15 upper surface center of limit for height frame
Displacement sensor 16, several monitoring slots 17 are provided on trapezoidal 15 lower surface of limit for height frame, and monitoring slot 17 is evenly distributed on trapezoidal limit for height
On frame 15, monitoring slot 17 is corresponding with the lane on road, and monitoring is equipped with small electronic stretch at 17 inside upper surface center of slot
Contracting bar 18, small 18 telescopic end of electric telescopic rod is downward, and monitoring support 19 is equipped on the telescopic end of small electric telescopic rod 18, monitoring
Bracket 19 with monitoring slot 17 be flexibly connected, at 19 front and rear sides side surface center of monitoring support on infrared distance sensor is installed
20, there are two LED light fixed frames 21, two LED light fixed frames 21 to be located at ladder for installation above trapezoidal limit for height frame 15
15 top rear and front end of shape limit for height frame, LED light fixed frame 21 is equipped with LED light 22, in 21 side surface of LED light fixed frame
Lens fixed seat 23 is installed at the heart, flash lamp 24 is installed on lens fixed seat 23, is installed on lens fixed seat 23
There is camera 25, camera 25 is located at 24 side of flash lamp；The signal receiving end of the controller 3 and displacement sensor and infrared
Distance measuring sensor is electrically connected, the power output end of the controller 3 and hydraulic oil pump, hydraulic buttery valve, small electric telescopic rod,
LED light, flash lamp and camera are electrically connected；The column 1 is made of high strength steel structural material；The trapezoidal limit for height frame
15 are equipped with antirust paint；The monitoring direction of the infrared distance sensor 20 is vertical with trapezoidal limit for height frame 15；The LED light 22
It is made of red caution type LED light；The camera 25 is made of the high-definition camera of burst mode；The trapezoidal limit for height frame
Anti-collision rubber pad 26 is installed on 15 two bevel edges；PLC system 27 and radio signal senders 28 are equipped in the controller 3,
Radio signal senders 28 are connect with external wireless signals receiver by wireless signal；The controller 3 is aobvious equipped with capacitor
Display screen 29, control button 30 and switch button 31；The controller 3, which is equipped with, uses electrical interface 32, described with electrical interface 32 and outer
Portion's power supply is electrically connected.
The characteristics of the present embodiment is, damping device includes the groove being opened at the center of column upper surface, under inside grooves
Side is equipped with hydraulic cylinder, and groove lower surface side is provided with hydraulic oil nozzle, and hydraulic oil pipe is equipped on hydraulic oil nozzle, hydraulic
Oil pipe is fixedly connected with the oil inlet of hydraulic cylinder, and stud sides surface is provided with hydraulic oil container slot, installation in hydraulic oil container slot
Have a hydraulic oil container, hydraulic oil be equipped in hydraulic oil container, be provided with hydraulic oil outlet below hydraulic oil container side surface, hydraulic oil outlet with
Hydraulic oil pipe is fixedly connected, and hydraulic oil pump is equipped on hydraulic oil pipe, and hydraulic oil pump is located at hydraulic oil outlet side, hydraulic oil pipe
On hydraulic buttery valve is installed, hydraulic buttery valve is located at hydraulic oil pump side；Intelligent monitoring height limiter includes support column, support
Column is flexibly connected with groove, and support column is pressed in above hydraulic cylinder telescopic end, is equipped with trapezoidal limit for height frame above support column, and two
Support column is fixedly connected with trapezoidal limit for height frame lower surface both ends, the narrow end of trapezoidal limit for height frame downward, on trapezoidal limit for height frame
It is equipped with displacement sensor at centre of surface, several monitoring slots are provided on trapezoidal limit for height frame lower surface, monitoring slot is evenly distributed on
On trapezoidal limit for height frame, monitoring slot is corresponding with the lane on road, is equipped at monitoring slot inside upper surface center small electronic
Telescopic rod, small electric telescopic rod telescopic end is downward, is equipped with monitoring support on the telescopic end of small electric telescopic rod, monitoring support with
Slot is monitored to be flexibly connected, at the side surface center of monitoring support front and rear sides on infrared distance sensor, trapezoidal limit for height frame are installed
There are two LED light fixed frame, two LED light fixed frames are located at front and back two above trapezoidal limit for height frame for installation above frame
End, LED light fixed frame are equipped with LED light, and LED light fixed frame side surface is equipped with lens fixed seat at center, image
Flash lamp is installed in head fixing seat, camera is installed, camera is located at flash lamp side on lens fixed seat；By upper
Device is stated, using damping device and intelligent monitoring height limiter, can effectively guarantee the safety of height limiter itself, simultaneously
When damping device can guarantee that superelevation automobile passes through height limiter again, height limiter will not generate noise because of height relief, make
With intelligent monitoring height limiter, it will can be effectively forced through the recorded vehicle of height limiter, demand accident vehicle for traffic police,
Intelligent monitoring height limiter can effectively prompt dealing automobile simultaneously, reduce superelevation driver and prejudge the general of height error
Rate guarantees the normal use of height limiter, and present apparatus structure is simple, easy to operate.
In the present embodiment, by being connect with electrical interface with external power supply on controller, the switch on controller is controlled
Button starting device, controller control the operation of damping device by displacement sensor, when displacement sensor monitors that signal is sent out
When changing, the hydraulic oil pump of controller control at this time is started to work, and opens simultaneously hydraulic buttery valve, and hydraulic oil pump is by hydraulic oil container
Interior hydraulic oil pumps in hydraulic oil pipe, and hydraulic oil is entered in hydraulic cylinder by hydraulic oil pipe, will be in hydraulic cylinder
Telescopic end ejection, makes the telescopic end of hydraulic cylinder start to be raised above with support column, after device runs a period of time, control
Device control hydraulic oil pump stops working, and closes hydraulic buttery valve, after the Overheight Vehicles being forced through have passed through, controller control
Hydraulic buttery valve is opened, and the hydraulic oil in hydraulic cylinder is retracted in hydraulic oil container by the gravity pressure that telescopic mast receives, and makes device
Restore normal, this will not generate any noise pollution in the process, and controller passes through the fortune of infrared distance sensor control device
Row, when the distance signal that infrared distance sensor monitors is lower than setting value, controller determines vehicle limit for height, this time control at this time
Device control LED light processed is started to work, and LED light is shown as the vehicle super-high printed words that no through traffic on the fixed frames such as LED, so as to
Prompt pass by one's way vehicle be more than limit height, when infrared distance sensor monitor distance signal be more than setting value when, controller
Far from driving, controller control LED light stops working judgement Overheight Vehicles, when infrared distance sensor monitors distance letter
Number lower than setting value simultaneously distance signal it is smaller and smaller when, controller determine Overheight Vehicles be forced through height limiter, controller
Control small electric telescopic rod start to shrink by infrared distance sensor shrink back monitoring slot in, while controller control camera open
Beginning is continuously captured, and Overheight Vehicles are filmed, while will be rushed in vehicle photo by force by radio signal senders and be sent to
Receiving end, when Overheight Vehicles are rushed in by force, due to height limiter be it is trapezoidal, rushing in vehicle by force will pass through trapezoidal bevel edge for trapezoidal limit for height frame
Frame jacks up, and will not can not go up and down because of limit for height frame causes limit for height frame to damage with automobile crash.
Above-mentioned technical proposal only embodies the optimal technical scheme of technical solution of the present invention, those skilled in the art
The principle of the present invention is embodied to some variations that some of them part may be made, belongs to the scope of protection of the present invention it
It is interior.
Claims (10)
1. a kind of highway communication intelligent monitoring height limiter, including two columns (1), which is characterized in that described two columns (1)
It is fixedly mounted on the ground of road both sides, damping device is equipped with above the column (1), intelligence prison is equipped with above damping device
Height limiter is controlled, the column (1) is equipped with controller groove (2), is equipped with controller (3) in the controller groove (2)；
The damping device includes the groove (4) being opened at column (1) upper surface center, and groove (4) lower inside is equipped with liquid
Compressing cylinder (5), groove (4) lower surface side are provided with hydraulic oil nozzle (6), and hydraulic oil nozzle is equipped with hydraulic oil pipe on (6)
(7), hydraulic oil pipe (7) is fixedly connected with the oil inlet of hydraulic cylinder (5), is provided with hydraulic oil container slot above column (1) side surface
(8), it is equipped with hydraulic oil container (9) in hydraulic oil container slot (8), is equipped with hydraulic oil (10) in hydraulic oil container (9), hydraulic oil container (9)
It is provided with hydraulic oil outlet (11) below side surface, hydraulic oil outlet (11) is fixedly connected with hydraulic oil pipe (7), hydraulic oil pipe (7)
On be equipped with hydraulic oil pump (12), hydraulic oil pump (12) is located at hydraulic oil outlet (11) side, and hydraulic oil pipe is equipped with liquid on (7)
Pressure electromagnetic valve (13), hydraulic buttery valve (13) are located at hydraulic oil pump (12) side；
The intelligent monitoring height limiter includes support column (14), and support column (14) is flexibly connected with groove (4), support column (14)
Be pressed in above hydraulic cylinder (5) telescopic end, be equipped with trapezoidal limit for height frame (15) above support column (14), two support columns (14) with
Trapezoidal limit for height frame (15) lower surface both ends are fixedly connected, the narrow end of trapezoidal limit for height frame (15) downward, trapezoidal limit for height frame
(15) displacement sensor (16) are equipped at the center of upper surface, are provided with several monitoring slots on trapezoidal limit for height frame (15) lower surface
(17), monitoring slot (17) is evenly distributed on trapezoidal limit for height frame (15), and monitoring slot (17) is corresponding with the lane on road, prison
It is equipped with small electric telescopic rod (18) at control slot (17) inside upper surface center, small electric telescopic rod (18) telescopic end is downward, small
It being equipped on the telescopic end of electric telescopic rod (18) monitoring support (19), monitoring support (19) is flexibly connected with monitoring slot (17),
It is equipped with infrared distance sensor (20) at monitoring support (19) front and rear sides side surface center, on trapezoidal limit for height frame (15)
There are two LED light fixed frame (21), two LED light fixed frames (21) are located on trapezoidal limit for height frame (15) side's installation
Square rear and front end, LED light fixed frame (21) are equipped with LED light (22), install at LED light fixed frame (21) side surface center
Have lens fixed seat (23), be equipped on lens fixed seat (23) flash lamp (24), lens fixed seat is installed on (23)
Have camera (25), camera (25) is located at flash lamp (24) side；
The signal receiving end and displacement sensor and infrared distance sensor of the controller (3) are electrically connected, the controller
(3) power output end electrically connects with hydraulic oil pump, hydraulic buttery valve, small electric telescopic rod, LED light, flash lamp and camera
It connects.
2. a kind of highway communication intelligent monitoring height limiter according to claim 1, which is characterized in that the column (1)
It is made of high strength steel structural material.
3. a kind of highway communication intelligent monitoring height limiter according to claim 1, which is characterized in that the trapezoidal limit for height
Frame (15) is equipped with antirust paint.
4. a kind of highway communication intelligent monitoring height limiter according to claim 1, which is characterized in that the infrared distance measurement
The monitoring direction of sensor (20) is vertical with trapezoidal limit for height frame (15).
5. a kind of highway communication intelligent monitoring height limiter according to claim 1, which is characterized in that the LED light
(22) it is made of red caution type LED light.
6. a kind of highway communication intelligent monitoring height limiter according to claim 1, which is characterized in that the camera
(25) it is made of the high-definition camera of burst mode.
7. a kind of highway communication intelligent monitoring height limiter according to claim 1, which is characterized in that the trapezoidal limit for height
Anti-collision rubber pad (26) are installed on (15) two bevel edges of frame.
8. a kind of highway communication intelligent monitoring height limiter according to claim 1, which is characterized in that the controller
(3) PLC system (27) and radio signal senders (28) are equipped in, radio signal senders (28) and external wireless signals receive
Device is connected by wireless signal.
9. a kind of highway communication intelligent monitoring height limiter according to claim 1, which is characterized in that the controller
(3) capacitor display screen (29), control button (30) and switch button (31) are equipped with.
10. a kind of highway communication intelligent monitoring height limiter according to claim 1, which is characterized in that the controller
(3) it is equipped with and uses electrical interface (32), it is described to be electrically connected with electrical interface (32) and external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811065427.4A CN109024355A (en) | 2018-09-13 | 2018-09-13 | A kind of highway communication intelligent monitoring height limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811065427.4A CN109024355A (en) | 2018-09-13 | 2018-09-13 | A kind of highway communication intelligent monitoring height limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109024355A true CN109024355A (en) | 2018-12-18 |
Family
ID=64621246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811065427.4A Pending CN109024355A (en) | 2018-09-13 | 2018-09-13 | A kind of highway communication intelligent monitoring height limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109024355A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880733A (en) * | 2020-08-03 | 2021-06-01 | 上海三利数字技术有限公司 | Height limiting protection frame state monitoring device and method |
| CN113012444A (en) * | 2021-03-30 | 2021-06-22 | 安徽银徽科技有限公司 | Speed-measuring snapshot mechanism and intelligent traffic system based on same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3624973A1 (en) * | 1986-07-24 | 1988-02-04 | Farmont Parkautomatik | Barrier |
| CN204940166U (en) * | 2015-09-25 | 2016-01-06 | 岳鹏 | A kind of anti-collision height limit bar |
| CN106968193A (en) * | 2017-05-16 | 2017-07-21 | 范成烨 | A kind of adjustable height intelligent height-limiting rod |
| CN206916654U (en) * | 2016-12-02 | 2018-01-23 | 陕西科技大学镐京学院 | A kind of Multifunctional, air pressure adjustable intelligent height-limiting rod |
-
2018
- 2018-09-13 CN CN201811065427.4A patent/CN109024355A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3624973A1 (en) * | 1986-07-24 | 1988-02-04 | Farmont Parkautomatik | Barrier |
| CN204940166U (en) * | 2015-09-25 | 2016-01-06 | 岳鹏 | A kind of anti-collision height limit bar |
| CN206916654U (en) * | 2016-12-02 | 2018-01-23 | 陕西科技大学镐京学院 | A kind of Multifunctional, air pressure adjustable intelligent height-limiting rod |
| CN106968193A (en) * | 2017-05-16 | 2017-07-21 | 范成烨 | A kind of adjustable height intelligent height-limiting rod |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880733A (en) * | 2020-08-03 | 2021-06-01 | 上海三利数字技术有限公司 | Height limiting protection frame state monitoring device and method |
| CN113012444A (en) * | 2021-03-30 | 2021-06-22 | 安徽银徽科技有限公司 | Speed-measuring snapshot mechanism and intelligent traffic system based on same |
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Application publication date: 20181218 |
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| WD01 | Invention patent application deemed withdrawn after publication |