CN107740369B - A kind of town road center isolation guardrail device - Google Patents
A kind of town road center isolation guardrail device Download PDFInfo
- Publication number
- CN107740369B CN107740369B CN201711093605.XA CN201711093605A CN107740369B CN 107740369 B CN107740369 B CN 107740369B CN 201711093605 A CN201711093605 A CN 201711093605A CN 107740369 B CN107740369 B CN 107740369B
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- Prior art keywords
- sliding groove
- slot
- hand thread
- bar
- sliding bar
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Classifications
-
- 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
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/006—Lane control by movable lane separating barriers, e.g. shiftable barriers, retractable kerbs ; Apparatus or barriers specially adapted therefor, e.g. wheeled 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
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/12—Continuous barriers extending along roads or between traffic lanes and having means for providing occasional passage, e.g. for emergency vehicles
-
- 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
-
- 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
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/669—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for fastening to safety barriers or the like
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
A kind of town road center isolation guardrail device of the present invention,Including nonfloating rail and movable guardrail,Nonfloating rail includes the fixed column being fixedly mounted on the ground and the railing being fixedly mounted in fixed column,It is provided with swinging room between two neighboring fixed column,Movable guardrail includes guardrail board and rotating drive part,Downward opening left sliding groove and right sliding groove are symmetrically set in guardrail board,In left sliding groove and right sliding groove respectively can on left sliding bar and right sliding bar are slidably installed,Left sliding groove and right sliding groove are stretched out in left sliding bar and right sliding bar lower end separately down,Opening up left-hand thread slot and right-hand thread slot are respectively arranged in left sliding bar and right sliding bar,Screw-thread fit is equipped with left-hand thread bar and right-hand thread bar respectively in left-hand thread slot and right-hand thread slot,It is installed with left lifting motor and right lifting motor respectively in left sliding groove and right sliding groove roof,Left-hand thread bar and right-hand thread bar respectively with left lifting motor and right lifting motor be connected by power.
Description
Technical field
The present invention relates to municipal auxiliary facility field, specifically a kind of town road center isolation guardrail device.
Background technology
With being on the increase for vehicle, nowadays, with constantly speeding for economic development, town road also increases constantly
More, to meet more pedestrians and vehicle, town road is divided into surface road and overpass, generally all can on town road
The central isolation guardrail of installation, to carry out guiding separation to vehicle, and in some special circumstances, such as roadside assistance, generation
Traffic accident etc., especially on overpass, since general vehicle can not all turn around on overpass, if encountered urgent
Accident needs to remove central isolated column, and thing is reached with the shortest time to allow the special cars such as relief car to turn around current
Old place point, but existing central isolation guardrail is typically fixedly mounted on by fasteners such as bolts in ground, once it needs
When dismantling central guardrail, needing the tools such as spanner to unload the fasteners such as bolt could remove, disassembly and installation effect
Rate is low, can delay best rescue time, and after removing central guardrail, if opposed vehicle braking is not in time, can influence to rescue
It helps vehicle to turn around to pass through, also traffic accident can occur with relief car when serious.
Invention content
Deficiency in view of the above technology, the present invention propose a kind of town road center isolation guardrail device.
A kind of town road center isolation guardrail device of the present invention, including nonfloating rail and movable guardrail, the fixation
Guardrail includes the railing that fixed column on the ground is fixedly mounted and is fixedly mounted in the fixed column, two neighboring to be used for
It installs and is provided with swinging room between the fixed column of movable guardrail, the movable guardrail includes guardrail board and rotating drive part, institute
It states and is symmetrically set with downward opening left sliding groove and right sliding groove in guardrail board, in the left sliding groove and right sliding groove
Respectively can on left sliding bar and right sliding bar are slidably installed, the left sliding bar and right sliding bar lower end are stretched out separately down
The left sliding groove and right sliding groove, the left sliding bar bottom are rotatably mounted with spin body, the left sliding bar and the right side
It is respectively arranged with opening up left-hand thread slot and right-hand thread slot in sliding bar, distinguishes spiral shell in the left-hand thread slot and right-hand thread slot
Line cooperation is equipped with left-hand thread bar and right-hand thread bar, and left liter is installed with respectively in the left sliding groove and right sliding groove roof
Motor and right lifting motor drop, the left-hand thread bar and right-hand thread bar respectively with the left lifting motor and right lifting motor power
Connection, the guardrail board left side is symmetrical above and below to be provided with card column, is provided with out in the fixed column of the swinging room left end
Mouth matches card slot towards the right side and with the card column, and card slot aft bulkhead upper end is provided with connection outside and matches with the card column
The straight slot of conjunction.
Further technical solution, the rotating drive part include the peace being fixedly mounted in the swinging room right ground
Dress block and it is arranged in the mounting blocks and opening up rotation slot, rotation is rotatably mounted in the rotation slot
Set, be provided in the turning set it is opening up and with the right matched mounting groove of sliding bar, the right sliding bar fixes
In the mounting groove, the turning set lower end is by rotation axis and is fixedly mounted on the installation rotary electric machine in the block
Be connected by power.
Further technical solution, is symmetrically arranged with the first limiting slot in the left sliding groove left hand end wall, and described first
The first limited block being fixedly connected with the left sliding bar is slidably fitted in limiting slot.
Further technical solution, wherein it is symmetrically arranged with the second limiting slot in the right sliding groove left hand end wall, it is described
The second limited block being fixedly connected with the right sliding bar is slidably fitted in second limiting slot.
Further technical solution, the upper-lower height of the straight slot are more than the diameter of the card column.
Further technical solution is provided with guiding surface in the straight slot.
Further technical solution, the guardrail board upper end are installed with warning lamp.
The beneficial effects of the invention are as follows：
1. apparatus of the present invention run the left lifting motor and the right side when special car needs to borrow swinging room u-turn
Lifting motor, the left lifting motor and right lifting motor respectively drive left sliding bar and the relatively described guardrail board of right sliding bar to
Thus lower slider can be such that the guardrail board is lifted up, when the card column and the straight slot are in same level, run institute
Rotary electric machine is stated, the rotary electric machine can drive the right sliding bar rotation, and the right sliding bar can drive the guardrail board
Rotate backward, when the guardrail board rotate backward 90 degree when, the swinging room is opened wide and special car is allowed to pass through completely, and
The guardrail board rotate backward 90 degree when also opposite road temporary closure can be ensured the safety of special car as a result,；
2. due to when the rotary electric machine is run, the warning lamp is opened, and the warning lamp can turn in the guardrail board
The vehicle in opposite track, the generation to avoid traffic accident ceaselessly are warned in dynamic process；
3. described in the special car safety behind swinging room, rotary electric machine described in inverted running, the rotary electric machine can
The guardrail board is driven to rotate backward, when the guardrail board rotates forward 90 degree, the card column enters across the straight slot
Into the card slot, then left lifting motor and right lifting motor described in inverted running simultaneously, the left lifting motor and right liter
Drop motor can respectively drive the relatively described guardrail board upward sliding of the left sliding bar and right sliding bar, thus can make the guardrail
Plate falls downward keeps the card column and the card slot fully mated, and the guardrail board is by the swinging room block, to prevent society
The passage of meeting vehicle；
4. apparatus of the present invention are simple in structure, easy to use, the speed for opening swinging room can be improved, so as to shorten special car
Rescue time, and apparatus of the present invention can be improved special car passage safety.
Description of the drawings
It, below will be to embodiment or existing in order to illustrate more clearly of inventive embodiments or technical solution in the prior art
Attached drawing is briefly described needed in technology description, it should be apparent that, the accompanying drawings in the following description is only to invent
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of town road center isolation guardrail device of the present invention；
Fig. 2 is the structural schematic diagram of arrow direction in Fig. 1；
Fig. 3 is structural schematic diagram when guardrail board is lifted up in Fig. 1；
Fig. 4 is the vertical view of guardrail board in Fig. 1.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
This specification（Including any accessory claim, abstract and attached drawing）Disclosed in any feature, except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
As shown in Figs 1-4, a kind of town road center isolation guardrail device of apparatus of the present invention, including nonfloating rail and can
Dynamic guardrail, the nonfloating rail include the fixed column 16 being fixedly mounted on the ground and are fixedly mounted in the fixed column 16
Railing 160, it is two neighboring to be provided with swinging room 30, the movable guardrail packet between the fixed column 16 of movable guardrail for installing
Guardrail board 10 and the rotating drive part to drive the guardrail board 10 to rotate are included, is symmetrical set in the guardrail board 10
Have downward opening left sliding groove 18 and a right sliding groove 25, in the left sliding groove 18 and right sliding groove 25 respectively can on slidably
Left sliding bar 19 and right sliding bar 24 are installed, the left side is stretched out in the left sliding bar 19 and 24 lower end of right sliding bar separately down
Sliding groove 18 and right sliding groove 25,19 bottom of left sliding bar are rotatably mounted with spin body 20, the left sliding bar 19
With opening up left-hand thread slot 190 and right-hand thread slot 240,190 He of left-hand thread slot are respectively arranged in right sliding bar 24
Screw-thread fit is equipped with left-hand thread bar 11 and right-hand thread bar 27, the left sliding groove 18 and right sliding respectively in right-hand thread slot 240
Left lifting motor 12 and right lifting motor 28, the left-hand thread bar 11 and right-hand thread bar 27 are installed in 25 roof of slot respectively
Respectively with 28 be connected by power of the left lifting motor 12 and right lifting motor, 10 left side of the guardrail board is symmetrical above and below to be provided with
Card column 15 is provided with opening in the fixed column 16 of 30 left end of the swinging room and matches card slot towards the right side and with the card column 15
14,14 aft bulkhead upper end of the card slot be provided with connection it is external and with 15 matched straight slot 13 of the card column.
Valuably or illustratively, wherein the rotating drive part includes being fixedly mounted on the swinging room right ground
In mounting blocks 29 and be arranged in the mounting blocks 29 and opening up rotation slot, rotationally pacify in the rotation slot
Equipped with turning set 23, be provided in the turning set 23 it is opening up and with 24 matched mounting groove of the right sliding bar, institute
It states right sliding bar 24 to be fixedly mounted in the mounting groove, 23 lower end of the turning set is by rotation axis 21 and is fixedly mounted on institute
State 22 be connected by power of rotary electric machine in mounting blocks 29.
Valuably or illustratively, wherein be symmetrically arranged with the first limiting slot in 18 left hand end wall of left sliding groove
180, the first limited block 17 being fixedly connected with the left sliding bar 19 is slidably fitted in first limiting slot 180.
Valuably or illustratively, wherein be symmetrically arranged with the second limiting slot in 25 left hand end wall of right sliding groove
250, the second limited block 26 being fixedly connected with the right sliding bar 24 is slidably fitted in second limiting slot 250.
Valuably or illustratively, wherein the upper-lower height of the straight slot 13 is more than the diameter of the card column 15, by
This permissible described card column 15 passes through the straight slot 13.
Valuably or illustratively, wherein guiding surface 130 is provided in the straight slot 13, to the convenient and card
The cooperation of column 15.
Valuably or illustratively, wherein 10 upper end of the guardrail board is installed with warning lamp 110, to described
Guardrail board 10 is lighted when rotating and is warned to vehicle.
In the initial state, the card column 15 is located in the card slot 14 apparatus of the present invention, and first limited block 17
It is located at 180 and second limiting slot of the first limiting slot, 180 upper end, the spin body 20 and ground with the second limited block 26
It offsets, this prevents the guardrail boards 10 to rotate, and the guardrail board 10 is by 30 block of the swinging room.
When special car needs to borrow the u-turn of swinging room 30, while running the left lifting motor 12 and right lifting motor
28, the left lifting motor 12 and right lifting motor 28 respectively drives the left-hand thread bar 11 and right-hand thread bar 27 rotates,
The left-hand thread bar 11 and right-hand thread bar 27 can respectively drive left sliding bar 19 and the relatively described guardrail of right sliding bar 24 when rotating
10 slide downward of plate, thus can be such that the guardrail board 10 is lifted up, when first limited block, 17 and second limited block 26 divides
When not offseting with 180 and second limiting slot of the first limiting slot, 180 lower end wall, the card column 15 is with the straight slot 13 same
On horizontal plane, the rotary electric machine 22 is run at this time, the rotary electric machine 22 can drive the turning set 23 to rotate, by institute
Turning set 23 is stated to be fixedly connected with the right sliding bar 24, the turning set 23 can drive the right sliding bar 24 to rotate as a result,
And the right sliding bar 24 can drive the guardrail board 10 to rotate backward, when the guardrail board 10 rotate backward 90 degree when, it is described
Swinging room 30 is opened wide and special car is allowed to pass through completely, and the guardrail board 10 rotate backward 90 degree when can also be by opposite road
Road temporary closure can ensure the safety of special car as a result, and when the rotary electric machine 22 is run, open the police
Show that lamp 110, the warning lamp 110 can ceaselessly warn the vehicle in opposite track during the guardrail board 10 rotates, from
And the generation to avoid traffic accident；
Described in the special car safety behind swinging room 30, rotary electric machine 22 described in inverted running, the rotary electric machine
22 can drive the guardrail board 10 to rotate backward, and when the guardrail board 10 rotates 90 degree forward, the card column 15 passes through described
Straight slot 13 and enter in the card slot 14, then left lifting motor 12 and right lifting motor 28 described in inverted running simultaneously, institute
The left sliding bar 19 and the relatively described guardrail of right sliding bar 24 can be respectively driven by stating left lifting motor 12 and right lifting motor 28
Thus 10 upward sliding of plate can make 10 falls downward of the guardrail board keep the card column 15 and the card slot 14 fully mated.
The beneficial effects of the invention are as follows：Apparatus of the present invention are run simultaneously when special car needs to borrow swinging room u-turn
The left lifting motor and right lifting motor, the left lifting motor and right lifting motor respectively drive left sliding bar and right sliding
The relatively described guardrail board slide downward of bar, thus can be such that the guardrail board is lifted up, when the card column with the straight slot same
When on one horizontal plane, the rotary electric machine is run, the rotary electric machine can drive the right sliding bar to rotate, and the right sliding
Bar can drive the guardrail board to rotate backward, when the guardrail board rotate backward 90 degree when, the swinging room opened wide completely and
Allow special car pass through, and the guardrail board rotate backward 90 degree when opposite road temporary closure can also be ensured as a result,
The safety of special car；
Since when the rotary electric machine is run, the warning lamp is opened, the warning lamp can be rotated in the guardrail board
During ceaselessly warn the vehicle in opposite track, the generation to avoid traffic accident；
Described in the special car safety behind swinging room, rotary electric machine described in inverted running, the rotary electric machine can drive
It moves the guardrail board to rotate backward, when the guardrail board rotates forward 90 degree, the card column is entered across the straight slot
In the card slot, then left lifting motor and right lifting motor described in inverted running simultaneously, the left lifting motor and right lifting
Motor can respectively drive the relatively described guardrail board upward sliding of the left sliding bar and right sliding bar, thus can make the guardrail board
Falls downward keeps the card column and the card slot fully mated, and the guardrail board is by the swinging room block, to prevent society
The passage of vehicle；
Apparatus of the present invention are simple in structure, easy to use, the speed for opening swinging room can be improved, so as to shorten special car
Rescue time, and the safety of special car passage can be improved in apparatus of the present invention.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variation and
Improvement is both fallen in claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (7)
1. a kind of town road center isolation guardrail device, including nonfloating rail and movable guardrail, it is characterised in that：The fixation
Guardrail includes the railing that fixed column on the ground is fixedly mounted and is fixedly mounted in the fixed column, two neighboring to be used for
It installs and is provided with swinging room between the fixed column of movable guardrail, the movable guardrail includes guardrail board and rotating drive part, institute
It states and is symmetrically set with downward opening left sliding groove and right sliding groove in guardrail board, in the left sliding groove and right sliding groove
Respectively can on left sliding bar and right sliding bar are slidably installed, the left sliding bar and right sliding bar lower end are stretched out separately down
The left sliding groove and right sliding groove, the left sliding bar bottom are rotatably mounted with spin body, the left sliding bar and the right side
It is respectively arranged with opening up left-hand thread slot and right-hand thread slot in sliding bar, distinguishes spiral shell in the left-hand thread slot and right-hand thread slot
Line cooperation is equipped with left-hand thread bar and right-hand thread bar, and left liter is installed with respectively in the left sliding groove and right sliding groove roof
Motor and right lifting motor drop, the left-hand thread bar and right-hand thread bar respectively with the left lifting motor and right lifting motor power
Connection, the guardrail board left side is symmetrical above and below to be provided with card column, is provided with out in the fixed column of the swinging room left end
Mouth matches card slot towards the right side and with the card column, and card slot aft bulkhead upper end is provided with connection outside and matches with the card column
The straight slot of conjunction.
2. a kind of town road center isolation guardrail device according to claim 1, it is characterised in that：The rotation driving
Part includes that the mounting blocks being fixedly mounted in the swinging room right ground and setting are in the mounting blocks and opening up
Rotation slot, be rotatably mounted with turning set in the rotation slot, be provided in the turning set it is opening up and with it is described
The right matched mounting groove of sliding bar, the right sliding bar are fixedly mounted in the mounting groove, and the turning set lower end passes through
Rotation axis and it is fixedly mounted on installation rotary electric machine be connected by power in the block.
3. a kind of town road center isolation guardrail device according to claim 1, it is characterised in that：The left sliding groove
It is symmetrically arranged with the first limiting slot in left hand end wall, is slidably fitted in first limiting slot and fixes company with the left sliding bar
The first limited block connect.
4. a kind of town road center isolation guardrail device according to claim 1, it is characterised in that：The right sliding groove
It is symmetrically arranged with the second limiting slot in left hand end wall, is slidably fitted in second limiting slot and fixes company with the right sliding bar
The second limited block connect.
5. a kind of town road center isolation guardrail device according to claim 1, it is characterised in that：The straight slot
Upper-lower height be more than the card column diameter.
6. a kind of town road center isolation guardrail device according to claim 1, it is characterised in that：It is set in the straight slot
It is equipped with guiding surface.
7. a kind of town road center isolation guardrail device according to claim 1, it is characterised in that：In the guardrail board
End is installed with warning lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711093605.XA CN107740369B (en) | 2017-11-08 | 2017-11-08 | A kind of town road center isolation guardrail device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711093605.XA CN107740369B (en) | 2017-11-08 | 2017-11-08 | A kind of town road center isolation guardrail device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107740369A CN107740369A (en) | 2018-02-27 |
| CN107740369B true CN107740369B (en) | 2018-07-24 |
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ID=61234242
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711093605.XA Active CN107740369B (en) | 2017-11-08 | 2017-11-08 | A kind of town road center isolation guardrail device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107740369B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108797465A (en) * | 2018-06-13 | 2018-11-13 | 苏州若依玫信息技术有限公司 | It is a kind of to be used for the car assisted traffic xegregating unit to turn around and its working method |
| CN111622033B (en) * | 2020-05-06 | 2022-01-21 | 华北科技学院 | Emergency rescue engineering for air transportation by land and water transportation by land |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB622931A (en) * | 1946-03-11 | 1949-05-10 | Charles John Rice | Improvements in or relating to fences or the like and members for use in the construction of fences or the like |
| CN2665204Y (en) * | 2003-11-06 | 2004-12-22 | 徐斌 | A road guardrail |
| CN101016731A (en) * | 2007-02-14 | 2007-08-15 | 吉国柱 | Road guardrail capable of horizontal movement |
| CN202989815U (en) * | 2012-11-11 | 2013-06-12 | 张忠良 | Highway guardrail |
| CN203846860U (en) * | 2014-05-05 | 2014-09-24 | 镇江英沙电器有限公司 | Mobile and telescopic fence |
| CN204418068U (en) * | 2015-01-14 | 2015-06-24 | 王传梅 | The guardrail for road that a kind of automatically retractable regulates |
-
2017
- 2017-11-08 CN CN201711093605.XA patent/CN107740369B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB622931A (en) * | 1946-03-11 | 1949-05-10 | Charles John Rice | Improvements in or relating to fences or the like and members for use in the construction of fences or the like |
| CN2665204Y (en) * | 2003-11-06 | 2004-12-22 | 徐斌 | A road guardrail |
| CN101016731A (en) * | 2007-02-14 | 2007-08-15 | 吉国柱 | Road guardrail capable of horizontal movement |
| CN202989815U (en) * | 2012-11-11 | 2013-06-12 | 张忠良 | Highway guardrail |
| CN203846860U (en) * | 2014-05-05 | 2014-09-24 | 镇江英沙电器有限公司 | Mobile and telescopic fence |
| CN204418068U (en) * | 2015-01-14 | 2015-06-24 | 王传梅 | The guardrail for road that a kind of automatically retractable regulates |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107740369A (en) | 2018-02-27 |
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Effective date of registration: 20180612 Address after: 510030 self compiled 301, 201-203, 205, 206, three floors of the second level of 614 people's North Road, Yuexiu District, Guangzhou, Guangdong. Applicant after: Guangdong Huameijia Engineering Consultancy Co., Ltd. Address before: 510080 16 Lo hang North Road, snail Chung Village, pine Chau Street, Baiyun District, Guangzhou, Guangdong Applicant before: Guangzhou Di Rui Sheng Environmental Technology Co. Ltd. |
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