CN111910552A - Road height limiting frame - Google Patents
Road height limiting frame Download PDFInfo
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- CN111910552A CN111910552A CN202010921247.2A CN202010921247A CN111910552A CN 111910552 A CN111910552 A CN 111910552A CN 202010921247 A CN202010921247 A CN 202010921247A CN 111910552 A CN111910552 A CN 111910552A
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- height limiting
- cross beam
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- limiting frame
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- 238000010276 construction Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
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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
- E01F13/02—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers
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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
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
- E01F13/048—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage with obstructing members moving in a translatory motion, e.g. vertical lift barriers, sliding gates
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/615—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings illuminated
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/623—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
- E01F9/646—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection extensible, collapsible or pivotable
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/696—Overhead structures, e.g. gantries; Foundation means specially adapted therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention discloses a road height limiting frame which comprises a height limiting frame foundation, a vertical telescopic upright post, a top vertical structure system, a top transverse telescopic frame and a top LED electronic warning system. The height limiting frame foundation consists of a bottom upright post, an electric lifting rod, a universal wheel, a bottom cross beam, an inclined rod and a hydraulic control box; the top vertical structural system consists of a top cross beam, an oblique beam, a solar panel vertical frame, a solar panel, a solar storage battery, a fixed rotary bolt, a fixed block and a bolt; the oblique beam is obliquely crossed with the top cross beam and the vertical telescopic upright post; the top transverse telescopic frame consists of an end transverse telescopic rod piece, a middle transverse telescopic rod piece, a first fixing bolt and a second fixing bolt. The top LED electronic warning system is composed of an end LED electronic display screen, a middle LED electronic display screen and a folding bolt. The height limiting frame device adopts a telescopic structure, the height and the width of the height limiting frame device can be adjusted according to actual conditions, and the application flexibility of the height limiting frame is enhanced.
Description
Technical Field
The invention relates to a road height limiting frame, and belongs to the technical field of traffic facilities.
Background
As an effective device for limiting the height of a passing vehicle, the height limiting frame is widely applied to places with requirements on the passing height of the vehicle, such as bridges, tunnels and culverts along roads and roads, the use of the height limiting frame can effectively avoid the damage of an ultrahigh overloaded vehicle to the solid engineering of the roads, the tunnels and bridges along the roads on the one hand, and can also effectively avoid the personal safety of a driver from being threatened when the ultrahigh vehicle impacts the structure of the bridges, the tunnels and the culverts due to insufficient judgment of the driver on the other hand.
The traditional height limiting frame is mostly of a door-shaped framework fixing structure, namely, the height and the width of the height limiting frame are fixed values, when the height of the height limiting frame is fixed, the height limiting frame needs to be manually moved away for a road section where height limiting vehicles need to pass in different time periods, the workload of traffic management and control personnel is greatly increased, if the width of the height limiting frame is a fixed value, the application range of the height limiting frame also has certain limitation, the height limiting frame with the fixed size cannot be correspondingly adjusted according to the width of an actual road, and the height limiting size can be adjusted only by replacing the whole height limiting frame when different road conditions are met, so that the flexibility of the height limiting frame in practical application is insufficient; in addition, the sign tablet that is equipped with on the current limit for height is used for warning and reminds the driver is mostly ordinary signboard, and the content replacement cost of ordinary warning signboard is higher, and under the not good condition of visual conditions such as night and sleet weather, its warning sign and slogan are difficult to the performance, and when visual conditions was relatively poor, easily lead to the driver to judge the error, and then causes traffic safety accident.
Disclosure of Invention
The invention is realized by the following technical scheme:
a road height limiting frame comprises a height limiting frame foundation, a vertical telescopic stand column, a top vertical construction system, a top transverse telescopic frame and a top LED electronic warning system. The height-limiting frame foundation consists of a bottom upright post, an electric lifting rod, universal wheels, a bottom cross beam, an inclined rod and a hydraulic control box. The top vertical structural system consists of a top cross beam, an oblique beam, a solar panel vertical frame, a solar panel, a solar storage battery, a fixed rotary bolt, a fixed block and a bolt; the top cross beam is welded at the top of the vertical telescopic upright post and is provided with a reserved insertion hole; the oblique beam is obliquely crossed with the top cross beam and the vertical telescopic upright post; the top transverse telescopic frame consists of an end transverse telescopic rod piece, a middle transverse telescopic rod piece, a first fixing bolt and a second fixing bolt. The top LED electronic warning system is composed of an end LED electronic display screen, a middle LED electronic display screen and a folding bolt.
Furthermore, the electric lifting rod is arranged inside the bottom upright post; universal wheels convenient for limiting the movement of the overhead crane are welded at the lower side of the electric lifting rod; the bottom cross beam is welded on the bottom stand column, two inclined columns are welded on the upper portion of the bottom cross beam for improving stability of the height limiting frame, and the inclined columns are obliquely crossed with the vertical telescopic stand columns. Aforementioned vertical flexible stand is the flexible post of electronic hydraulic pressure, and the lift height of vertical flexible stand and electric lift pole can be adjusted through hydraulic control box.
Furthermore, the hydraulic control box is welded at the lower part of the bottom cross beam and is a sealing device;
further, the solar panel stand is welded to the top of the top cross beam; the fixed rotating bolt is welded on the side surface of the solar panel stand; the fixing block is welded on the back of the solar panel stand and consists of a cuboid block and a hollow cylindrical block.
Furthermore, the bolt can be inserted into the hollow cylindrical block of the fixed block and is connected with the reserved insertion hole of the top cross beam;
furthermore, the solar panel is fixed on the solar panel stand, and the solar storage battery is mounted on the back of the solar panel and connected with the solar panel stand.
Furthermore, the end part of the transverse telescopic rod piece is fixed at the bottom of the top cross beam by the first fixing bolt; the second fixing bolt fixes and connects the middle transverse telescopic rod pieces.
Further, the end LED electronic display screen is welded with the fixed rotary bolt. The folding bolts are welded between two adjacent LED electronic display screens. The end LED electronic display screen, the middle LED electronic display screen and the hydraulic control box are supported by the solar storage battery.
(1) Compared with the fixing structure at the bottom of the traditional height limiting frame, the road height limiting frame provided by the invention has the innovation points that: when the height limiting frame is in a working state, the height of the electric hydraulic lifting rod is lowered through the hydraulic control box, and the universal wheel is driven to be arranged in the bottom upright column, so that the height limiting frame is prevented from moving due to external factors such as strong wind weather and vehicle impact; when the height limiting frame needs to be moved, the height of the electric hydraulic lifting rod is increased through the hydraulic control box, and the universal wheels are driven to be arranged at the bottom of the bottom upright post, so that the integral structure of the height limiting frame can be moved or carried conveniently.
(2) Compared with the fixed height of the traditional height limiting frame, the invention has the innovation points that: the vertical stand column of limit for height frame is telescopic structure, and the height of vertical stand column is controlled to accessible hydraulic control case, and then realizes the regulation to limit for height frame height.
(3) Compared with the fixed width of the traditional height limiting device and the common road sign plate provided on the height limiting frame, the invention has the innovation points that: the upper structure of the height limiting frame is provided with a transverse telescopic frame and an LED electronic display screen. The transverse telescopic frame consists of end part transverse telescopic rod pieces, middle part transverse telescopic rod pieces, a first fixing bolt and a second fixing bolt, wherein the first fixing bolt is used for fixing the end part transverse telescopic rod pieces at the two ends of the transverse telescopic frame, and the second fixing bolt is used for connecting and fixing the middle part transverse telescopic rod pieces; LED electronic display screen comprises tip LED electronic display screen, middle part LED electronic display screen, folding bolt, fixed rotatory bolt, fixed block, wherein, can realize the fixed of tip LED electronic display screen position through fixed rotatory bolt and bolt, can fold middle part LED electronic display screen through folding bolt, through the above-mentioned horizontal expansion bracket with have the LED display screen that folding bolt, can realize the control to road limit for height frame width.
In summary, compared with the prior art, the invention has the beneficial effects that:
(1) the height limiting frame device adopts a telescopic structure, the height and the width of the height limiting frame device can be adjusted according to actual conditions, the application flexibility of the height limiting frame is greatly enhanced, and the workload of traffic management and control personnel is reduced.
(2) The vertical telescopic upright post controlled by the hydraulic control box of the height limiting device and the electric support of the LED electronic display screen are from solar energy, belong to green clean energy and accord with the development strategy of national green traffic.
(3) The universal wheels are welded under the electric hydraulic lifting rods in the upright columns at the bottom of the height limiting frame, so that the integral structure of the height limiting frame can be moved and carried conveniently.
Drawings
FIG. 1 is a schematic view of the overall structure of a road height limiting frame according to the present invention;
FIG. 2 is a schematic structural view of an overhead restraint base;
FIG. 3 is a schematic structural view of an elevation limiting overhead vertical construction system;
FIG. 4 is a schematic structural view of a top transverse expansion bracket of the height limiting bracket;
fig. 5 is a schematic structural diagram of an LED electronic warning system on the top of the height limiting frame.
Description of reference numerals: 1-height-limiting frame foundation, 2-vertical telescopic upright column, 3-top vertical structural system, 4-top horizontal telescopic frame, 5-top LED electronic warning system, 101-bottom upright column, 102-electric lifting rod, 103-universal wheel, 104-bottom cross beam, 105-diagonal rod, 106-hydraulic control box, 301-top cross beam, 302-diagonal beam, 303-solar panel upright frame, 304-solar panel, 305-solar storage battery, 306-fixed rotating bolt, 307-fixed block, 308-bolt, 309-reserved jack, 401-end horizontal telescopic rod piece, 402-middle horizontal telescopic rod piece, 403-first fixed bolt, 404-second fixed bolt, 501-end LED electronic display screen, 502-middle LED electronic display screen, 503-folding bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention is implemented as follows:
the road height limiting frame shown in fig. 1 to 5 is composed of a height limiting frame foundation 1, a vertical telescopic upright post 2, a top vertical construction system 3, a top horizontal telescopic frame 4 and a top LED electronic warning system 5. The height-limiting frame foundation 1 is mainly structurally characterized in that a bottom upright post 101 is arranged, an electric lifting rod 102 is arranged inside the bottom upright post 101, universal wheels 103 convenient for movement of the height-limiting frame are welded on the lower side of the electric lifting rod, a bottom cross beam 104 is welded on the top of the bottom upright post 101, two inclined posts 105 are welded on the upper portion of the bottom cross beam 104 for improving stability of the height-limiting frame, and the inclined posts 105 are obliquely crossed with a vertical telescopic upright post 2.
Wherein, vertical flexible stand 2 is the flexible post of electronic hydraulic pressure, and its lifting height can be adjusted through hydraulic control case 106. The hydraulic control box 106 is welded to the bottom center of the bottom cross member 104 and is a sealing means to prevent the entry of external water.
When the height limiting frame is in a working state, the hydraulic control box 106 reduces the height of the electric lifting rod 102 and drives the universal wheels 103 to be arranged inside the bottom upright column, so that the height limiting frame is prevented from moving due to external factors such as strong wind weather and vehicle impact; when the height-limiting frame needs to be moved, the height of the electric lifting rod 102 can be increased through the hydraulic control box 106, and the universal wheels 103 are driven to be arranged at the bottom of the bottom upright post 101, so that the integral structure of the height-limiting frame can be moved or carried conveniently.
The top vertical construction system 3 is composed of a top cross beam 301, an oblique beam 302, a solar panel stand 303, a solar panel 304, a solar storage battery 305, a fixed rotating bolt 306, a fixed block 307 and a bolt 308, the top cross beam 301 is welded on the top of the vertical telescopic upright post 2, and the top cross beam 301 is provided with a reserved jack 309, the oblique beam 302 is obliquely crossed with the top cross beam 301 and the vertical telescopic upright post 2 to improve the structural stability, the solar panel stand 303 is welded at the top end of the top cross beam 301, the solar panel 304 is arranged at the upper side of the solar panel stand 303, the solar storage battery 305 is arranged at the back of the solar panel 304, and is connected with the solar panel stand 303, the fixed rotating bolt 306 is welded on the side surface of the solar panel stand 303, the fixed block 307 is welded on the back part of the solar panel stand 303 and is composed of a cuboid block and a hollow cylindrical block, and the bolt 308 can be inserted into the hollow cylindrical block of the fixed block 307 and is connected with the reserved insertion hole 309 of the top cross beam.
The top transverse telescopic frame 4 is composed of an end transverse telescopic rod 401, a middle transverse telescopic rod 402, a first fixing bolt 403 and a second fixing bolt 404, wherein the end transverse telescopic rod 401 is fixed at the bottom of the top cross beam 301 by the first fixing bolt 403, and the middle transverse telescopic rod 402 is fixed and connected by the second fixing bolt 404.
The top LED electronic warning system 5 is composed of an end LED electronic display screen 501, a middle LED electronic display screen 502 and a folding bolt 503, wherein the end LED electronic display screen 501 is welded with the fixed rotary bolt 306, and the folding bolt 503 is welded between the adjacent LED electronic display screens 503.
The end LED electronic display 501, the middle LED electronic display 502 and the hydraulic control box 106 are electrically supported by the solar battery 305.
The invention realizes the adjustment of the height and the width of the height-limiting frame through the following specific steps:
(1) after the height limiting frame is conveyed to a designated place, the electric lifting rod 102 is lifted through the hydraulic control box 106, the universal wheel 103 below the electric lifting rod 102 is gradually contacted with the ground, and after the universal wheel 103 is completely contacted with the ground stably, the height limiting frame is accurately moved to the place needing to be placed through moving the universal wheel 103.
(2) After road limit for height frame accurate removal appointed place, through hydraulic control case 106 with the height that highly reduces to the staff can operate of vertical flexible stand 2 earlier, at this moment, the staff can be according to the design motorcycle type and the standard requirement of road at first adjust the width of limit for height frame, the step that limit for height frame width was adjusted as follows:
firstly, pulling out the bolt 308 to enable the end LED electronic display screen 501 and the middle LED electronic display screen 502 to be in a movable state;
secondly, the whole height limiting frame moves oppositely by pushing the universal wheels 103, in the process, the LED electronic display screen (501 or 502) with surplus width is rotated and placed at the top of the top cross beam 301 through the fixed rotating bolt 306, the LED electronic display screen is pairwise perpendicular to the top cross beam 301 and the solar panel vertical frame 303, and correspondingly, the width of the transverse telescopic rod frame 402 is adjusted through the second fixing bolt 404;
and finally, when the whole height limiting frame is adjusted to the target width, inserting the plug pin 308 to fix the end LED electronic display screen 501 and the middle LED electronic display screen 502 so as to achieve the purpose of fixing the width of the height limiting frame.
(3) After the width of the height limiting frame is fixed, the requirement of the road on the height of the designed vehicle type is combined, the vertical telescopic columns 2 on the two sides of the road height limiting frame are lifted to the specified height through the hydraulic control box 106, when overload and ultrahigh vehicles such as fire trucks and large trucks need to pass urgently, the height of the vertical telescopic columns 2 only needs to be lifted and adjusted through the hydraulic control box 106, and the width of the road height limiting frame can be adjusted by referring to the method in the step (2) so as to meet the passing requirement of special vehicles.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a road limit for height frame which characterized in that: the height limiting device is composed of a height limiting frame foundation (1), a vertical telescopic upright post (2), a top vertical construction system (3), a top transverse telescopic frame (4) and a top LED electronic warning system (5); the height limiting frame foundation (1) is composed of a bottom upright post (101), an electric lifting rod (102), universal wheels (103), a bottom cross beam (104), an inclined rod (105) and a hydraulic control box (106); the vertical telescopic upright post (2) is arranged on the height limiting frame foundation (1) and is an electric hydraulic telescopic post, and the lifting heights of the vertical telescopic upright post (2) and the electric lifting rod (102) are adjusted through a hydraulic control box (106); the top vertical construction system (3) is composed of a top cross beam (301), an oblique beam (302), a solar panel stand (303), a solar panel (304), a solar storage battery (305), a fixed rotary bolt (306), a fixed block (307) and a bolt (308); the top cross beam (301) is welded to the top of the vertical telescopic upright post (2), and the top cross beam (301) is provided with a reserved jack (309); the oblique beam (302) is obliquely crossed with the top cross beam (301) and the vertical telescopic upright post (2); the top transverse telescopic frame (4) consists of an end transverse telescopic rod piece (401), a middle transverse telescopic rod piece (402), a first fixing bolt (403) and a second fixing bolt (404); the top LED electronic warning system (5) is composed of an end LED electronic display screen (501), a middle LED electronic display screen (502) and a folding bolt (503).
2. The road height limiting rack of claim 1, wherein: the electric lifting rod (102) is arranged inside the bottom upright post (101); the lower side of the electric lifting rod (102) is welded with a universal wheel (103).
3. The road height limiting rack of claim 1, wherein: a bottom cross beam (104) is welded on the bottom upright (101), two inclined columns (105) are welded on the upper portion of the bottom cross beam (104), and the inclined columns (105) are obliquely crossed with the vertical telescopic upright (2); the hydraulic control box (106) is welded on the lower part of the bottom cross beam (104) and is a sealing device.
4. The road height limiting rack of claim 1, wherein: the solar panel stand (303) is welded to the top of the top cross beam (104); the fixed rotating bolt (306) is welded on the side surface of the solar panel stand (303); the fixing block (307) is welded to the back of the solar panel stand (303), and the fixing block (307) is composed of a cuboid block and a hollow cylindrical block.
5. The road height limiting rack of claim 4, wherein: the bolt (308) is inserted into the hollow cylindrical block of the fixed block (307) and connected with a reserved insertion hole (309) of the top cross beam (301).
6. The road height limiting rack of claim 1, wherein: the solar panel (304) is fixed on the solar panel stand (303), and the solar storage battery (305) is installed on the back of the solar panel (304) and connected with the solar panel stand (303).
7. The road height limiting rack of claim 1, wherein: the first fixing bolt (403) fixes the end part transverse telescopic rod piece (401) at the bottom of the top cross beam (301); the second fixing bolt (404) fixes and connects the middle transverse telescopic rod pieces (402).
8. The road height limiting rack of claim 4, wherein: the end LED electronic display screen (501) is welded with the fixed rotating bolt (306); the folding bolt (503) is welded between two adjacent LED electronic display screens; the end LED electronic display screen (501), the middle LED electronic display screen (502) and the hydraulic control box (106) are supported by electric power provided by a solar storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010921247.2A CN111910552B (en) | 2020-09-04 | 2020-09-04 | Road height limiting frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010921247.2A CN111910552B (en) | 2020-09-04 | 2020-09-04 | Road height limiting frame |
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| Publication Number | Publication Date |
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| CN111910552A true CN111910552A (en) | 2020-11-10 |
| CN111910552B CN111910552B (en) | 2024-06-11 |
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Inventor after: Cao Shijiang Inventor after: Yang Liang Inventor after: Chen Fuyu Inventor after: Yang Changtao Inventor after: Liu Chaojun Inventor after: Liu Bin Inventor after: Liu Xu Inventor after: He Lijia Inventor after: Liu Yi Inventor after: Chen Jun Inventor after: Qi Yihui Inventor after: Li Junqi Inventor after: Long Kangtao Inventor before: Cao Shijiang Inventor before: Yang Jun Inventor before: Ma Xiaolong Inventor before: Luo Ling Inventor before: Yang Cheng Inventor before: Zhu Shilu Inventor before: Liu Yi Inventor before: Luo Deyin Inventor before: Cheng Zhenwei Inventor before: Chen Jun Inventor before: Qi Yihui Inventor before: Zhao Jun Inventor before: Yang Changtao |