CN107476212A - The high intensity speed bump structure in some section of highway - Google Patents
The high intensity speed bump structure in some section of highway Download PDFInfo
- Publication number
- CN107476212A CN107476212A CN201710885088.3A CN201710885088A CN107476212A CN 107476212 A CN107476212 A CN 107476212A CN 201710885088 A CN201710885088 A CN 201710885088A CN 107476212 A CN107476212 A CN 107476212A
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- Prior art keywords
- face
- groove
- deceleration strip
- steel
- highway
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/529—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users specially adapted for signalling by sound or vibrations, e.g. rumble strips; specially adapted for enforcing reduced speed, e.g. speed bumps
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Signs Or Road Markings (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention provides the high intensity speed bump structure in some section of highway, including steel deceleration strip component, sliding shoe and cylinder；Deceleration strip of the present invention is made up of five groups of steel deceleration strip components；The rear end face center of steel deceleration strip component described in five groups is respectively welded with a steel filler rod；The rear of steel deceleration strip component described in five groups is provided with rubber blanket, and the length of rubber blanket is consistent with the length of steel deceleration strip component phase composition described in five groups.The steel filler rod that the present invention is welded at the rear of deceleration strip by steel deceleration strip component rear end face, which is fixed to be fitted together to, one piece of rubber blanket, and the top end face of rubber blanket is provided with hole shape garland at one, and shape and the color for cheating shape garland are similar to the shape and color of the irregular pit on existing highway, pass through the design of the hole shape garland, so that the automobile low speed that driver drives passes through slowly deceleration strip, so as to play the purpose of buffer deceleration, the safety at traffic road junction is improved.
Description
Technical field
The invention belongs to traffic safety, highway structure technical field, more particularly to the high intensity in some section of highway to subtract
Speed belt structure.
Background technology
Deceleration strip be mounted in make on highway by vehicle deceleration means of transportation, shape is generally strip, also a little
Shape, material is mainly rubber, and it is metal also to have, and typically alternate to cause vision attention with yellow black, deceleration strip makes road
Face is somewhat arched upward to reach vehicle deceleration purpose, is generally located on highway road junction, industrial and mining enterprises, school, Residential Quarter Entrance etc.
The section and the easy section for triggering traffic accident that vehicle deceleration is gone slowly are needed, is exercised for reductor motor-car, non-motor vehicle
The novel traffic Special safety of speed is set.
The accident that deceleration strip largely reduces each traffic main artery mouth occurs, and is the new exclusive facility of traffic safety.
Automobile is not only safe under steam but also plays buffer deceleration purpose, improves the safety at traffic road junction.
By retrieval, such as application number：A kind of 201720134998.3 highway deceleration strip, including supporting plate, rear pressure
Plate, front pressuring plate, the supporting plate, rear fender, front pressuring plate lower end connect ground, front pressuring plate and the rear fender phase by rotating shaft
For 30 degree of ground inclination, upper end is in contact, and there is 30 degree of groove front pressuring plate and rear fender upper end, contact surface is connect for face
Touch, the supporting plate lower end is arranged at front pressuring plate between rear fender, and top and the contact surface bottom of front pressuring plate and rear fender are supported
Tightly；Front pressuring plate and the rear fender top middle portion is provided with least one opening, is used as returning buckle.Public affairs provided by the present invention
Road deceleration strip, there is advantage simple in construction, that connection is easy, stability is good, it can make when needing as deceleration strip
With providing safeguard for personal security, tiled when deceleration strip is not needed, facility is provided for traffic is current；
Again for example：Application number：201310737611.X a kind of deceleration strip, including rest on the ground reduction body, position
In the reinforcement block of subsurface, the reduction body is fixed with arc deceleration face, and embedded spring is provided with the reduction body, is rotated
Axle, the embedded spring one end inside reduction body with being fixedly connected, the other end is connected rotary shaft, is fixedly connected with reinforcement block
Metal derby, the rotary shaft are fixedly connected with metal derby.A kind of deceleration strip of the present invention, passes through deceleration strip velocity variations using vehicle
The difference of the anti-force brought, realize and the vehicle run at high speed is forced and efficiently slowed down, ensure that slow-moving vehicle leads to
The comfortableness crossed.
Based on above-mentioned retrieval and actual observation, inventor has found that existing some drivers are in traveling to deceleration strip
When, its travel speed is still more quick, and the speed that deceleration strip is alleviated is very little, causes the slowing effect that plays and fails to understand
It is aobvious, traffic accident easily easily occurs；After deceleration strip long-time use, it plays the bolt of fixation and is easily likely to occur pine
It is dynamic, it is caused when automobile passes through to vibrate jolt bolt that some easily loosened ejection completely or half ejection, so as to cause
Automobile wheel when by deceleration strip touches bolt, causes the blast of wheel tyre or under the pressure of wheel so that bolt collapses
Fly, and the people in surrounding environment is damaged.
Then, in view of this, improvement is studied for existing structure and missing, there is provided the height in some section of highway
Intensity speed bump structure, to reach the purpose for having more more practical value.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides the high intensity speed bump structure in some section of highway, with solution
For certainly existing some drivers when traveling is to deceleration strip, its travel speed is still more quick, what deceleration strip was alleviated
Speed is very little, causes slowing effect and the unobvious played, traffic accident easily easily occurs；Deceleration strip used for a long time
Afterwards, it plays the bolt of fixation and is easily likely to occur loosening, and when automobile passes through, caused vibration, which is jolted, will easily make certain
The ejection completely of the bolt of individual loosening or half ejection, so as to cause automobile wheel when by deceleration strip to touch bolt, cause car
Take turns the blast of tire or to cause that bolt collapses under the pressure of wheel winged, and the problem of damaged to the people in surrounding environment.
The purpose and effect of the high intensity speed bump structure in some section of highway of the present invention, by technological means in detail below
Reached：
The high intensity speed bump structure in some section of highway, including steel deceleration strip component, rubber blanket, shape garland is cheated,
Steel filler rod, honeycomb aperture, groove, security bar, caulking groove, spring, sliding groove, cylinder groove, hole, sliding shoe and circle is fixedly mounted
Post；Deceleration strip of the present invention is made up of five groups of steel deceleration strip components；The rear end face center of steel deceleration strip component described in five groups
Position is respectively welded with a steel filler rod；The rear of steel deceleration strip component described in five groups is provided with rubber blanket, and rubber
The length of pad is consistent with the length of steel deceleration strip component phase composition described in five groups；The front bottom end of the rubber blanket corresponds to
The steel filler rod opening position that steel deceleration strip component rear end face center described in five groups is welded offer at one it is described with
The caulking groove that steel filler rod is mutually fitted together to；The bottom of the rubber blanket offers the honeycomb aperture of some ordered arrangements；The steel subtracts
The rear and front end at the top of speed belt component respectively offers the groove at one, and at groove location bottom face center it is equal
Offer the fixed installation hole at one；The left and right sides end face of the groove inwardly offers the sliding groove at one, and
Sliding groove the inner is inward-facing to offer the cylinder groove at one；The inner face of the cylinder groove is welded with spring described in one group；Institute
State security bar to be made up of sliding shoe and cylinder, cylinder is welded in the rear end face of sliding shoe.
Further, the structure size of the sliding shoe and the structure size of sliding groove are consistent, and sliding shoe rear end face
The diameter of the cylinder welded is consistent with the diameter of cylinder groove.
Further, the cylindrical slid that the sliding shoe rear end face is welded is connected in cylinder groove, and cylinder bottom face
The spring head end of inner face with being welded on cylinder groove, which mutually welds, to be connected.
Further, in the sliding groove that the left and right sides end face of the groove is opened up under the common extended configuration of the spring
The head end of security bar is in contact described in two groups to be slidably connected.
Further, the top end face of the rubber blanket be provided with one it is described hole shape garland, and cheat shape garland shape and
Color is similar to the shape and color of the irregular pit on existing highway.
Further, the color of the top end face of the rubber blanket remaining end face in addition to set hole shape garland position with
Bituminous paving color on existing highway is similar.
Further, the bottom face and steel for the steel filler rod that the steel deceleration strip component rear end face center is welded
The bottom face of matter deceleration strip component is coplanar.
Further, the bottom face for the sliding groove that the left and right sides end face of the groove inwardly opens up is to the bottom of groove
10mm is spaced between face.
Compared with prior art, the present invention has the advantages that：
1. the present invention fixes embedding in the steel filler rod that the rear of deceleration strip is welded by steel deceleration strip component rear end face
Conjunction has one piece of rubber blanket, and the top end face of rubber blanket is provided with hole shape garland at one, and cheat shape garland shape and color with
The shape and color of irregular pit on existing highway are similar, by the design of the hole shape garland, beneficial to driver by
Nearly deceleration strip 50m opening positions will be appreciated that the hole shape garland set by the top end face of rubber blanket, because cheating the shape and color of shape garland
It is color similar to the shape and color of the irregular pit on existing highway, therefore driver can be misdeemed as on highway a long way off
Irregular pit, can subconscious deceleration, when close to deceleration strip 15-20 opening positions, rubber can be clearly seen in driver
Set by the top end face of pad hole shape garland it is true and false, at this moment because the car speed that driver is driven be slowed to it is low
Speed traveling so that the automobile low speed that driver drives passes through slowly deceleration strip, so as to play the purpose of buffer deceleration, carries
The safety at high traffic road junction, further, the face of top end face remaining end face in addition to set hole shape garland position of rubber blanket
Color is similar to the bituminous paving color on existing highway so that by the top end face color of rubber blanket set off hole shape garland to
Give a kind of visual illusion of driver so that driver will recognize hole shape garland apart from deceleration strip 50m opening positions
To be the irregular pit on existing highway, so as to carry out subconscious deceleration-operation.
2. the left and right sides end face of groove of the present invention inwardly offers sliding groove at one, and sliding groove is inner inward-facing opens
Provided with cylinder groove at one, the inner face of cylinder groove is welded with one group of spring, and the slip that the left and right sides end face of groove is opened up
One group of security bar, and the cunning that the left and right sides end face of the common extended configuration low groove of spring is opened up respectively are slidably connected in groove
The head end for two groups of security bars being slidably connected in dynamic groove is in contact, by the design of the structure, beneficial to passing through fixing bolt
After deceleration strip is fixed in road, pass through being in contact for two groups of stretched out security bar head ends, beneficial to longer one section
After when the time, when playing some bolt looseness of fixation, by the barrier of the head end of two groups of security bars, pine can be prevented
Dynamic bolt vibration is jolted out in fixed installation hole, in order to avoid the tire of the automobile to travelling on highway damages, avoids handing over
The generation of interpreter's event.
Brief description of the drawings
The axle that Fig. 1 is the present invention regards structural representation.
Fig. 2 is the overlooking the structure diagram of the present invention.
Face upward structural representation in the side that Fig. 3 is the present invention.
Fig. 4 be the present invention regard structural representation without rubber cushion state axle.
Fig. 5 is partial enlargement structural representation at the groove location of the present invention.
Fig. 6 is the rubber blanket bottom face structural representation of the present invention.
Fig. 7 is the sliding groove and cylinder groove cross section structure diagram of the present invention.
Fig. 8 be the present invention Fig. 7 in partial enlargement structural representation at B.
Fig. 9 is the security bar structural representation of the present invention.
Figure 10 is the unshielded bar state partial enlargement structural representation of groove of the present invention.
In figure：1- steel deceleration strip components, 2- rubber blankets, 3- holes shape garland, 4- steel filler rods, 5- honeycomb apertures, 6- are recessed
Hole, 701- sliding shoes, 702- circles is fixedly mounted in groove, 7- security bars, 8- caulking grooves, 9- springs, 10- sliding grooves, 11- cylinder grooves, 12-
Post.
Embodiment
The present invention is described further below in conjunction with accompanying drawing：
Embodiment：
As shown in accompanying drawing 1 to accompanying drawing 10：
The present invention provides the high intensity speed bump structure in some section of highway, including steel deceleration strip component 1, rubber blanket
2, hole shape garland 3, steel filler rod 4, honeycomb aperture 5, groove 6, security bar 7, caulking groove 8, spring 9, sliding groove 10, cylinder groove 11,
Hole 12, sliding shoe 701 and cylinder 702 is fixedly mounted；Deceleration strip of the present invention is made up of five groups of steel deceleration strip components 1；Five groups
The rear end face center of the steel deceleration strip component 1 is respectively welded with a steel filler rod 4；Steel described in five groups subtracts
The rear of speed belt component 1 is provided with rubber blanket 2, and the length of rubber blanket 2 and the length of the phase composition of steel deceleration strip component 1 described in five groups
Spend consistent；The front bottom end of the rubber blanket 2 is welded corresponding to the rear end face center of steel deceleration strip component 1 described in five groups
The opening position of steel filler rod 4 connect offers the caulking groove 8 mutually chimeric with steel filler rod 4 at one；The bottom of the rubber blanket 2
Offer the honeycomb aperture 5 of some ordered arrangements；The rear and front end at the top of the steel deceleration strip component 1 respectively offers one
Locate the groove 6, and the center of the opening position bottom face of groove 6 offers the fixed installation hole 12 at one；It is described recessed
The left and right sides end face of groove 6 inwardly offers the sliding groove 10 at one, and sliding groove 10 is inner inward-facing offers at one
The cylinder groove 11；The inner face of the cylinder groove 11 is welded with spring 9 described in one group；The security bar 7 is by the He of sliding shoe 701
Cylinder 702 is formed, and cylinder 702 is welded in the rear end face of sliding shoe 701.
Wherein, the structure size of the sliding shoe 701 is consistent with the structure size of sliding groove 10, and after sliding shoe 701
The diameter for the cylinder 702 that end face is welded is consistent with the diameter of cylinder groove 11.
Wherein, the cylinder 702 that the rear end face of sliding shoe 701 is welded is slidably connected in cylinder groove 11, and cylinder 702
The head end of spring 9 of inner face of the bottom face with being welded on cylinder groove 11, which mutually welds, to be connected.
Wherein, in the sliding groove 10 that the left and right sides end face of the groove 6 is opened up under the 9 common extended configuration of spring
The head end of security bar 7 is in contact described in two groups to be slidably connected.
Wherein, the top end face of the rubber blanket 2 is provided with the hole shape garland 3 at one, and cheats the shape and color of shape garland 3
It is color similar to the shape and color of the irregular pit on existing highway, therefore driver can be misdeemed as on highway a long way off
Irregular pit, can subconscious deceleration, when close to deceleration strip 15-20 opening positions, rubber can be clearly seen in driver
The true and false of shape garland 3 is cheated set by the top end face of pad 2, at this moment because the car speed that driver is driven has been slowed to
Running at a low speed so that the automobile low speed that driver drives passes through slowly deceleration strip, so as to play the purpose of buffer deceleration,
Improve the safety at traffic road junction.
Wherein, the color of the top end face of the rubber blanket 2 remaining end face in addition to the set position of hole shape garland 3 is with showing
There is the bituminous paving color on highway similar so as to give automobile by the hole shape garland 3 that sets off of the top end face color of rubber blanket 2
A kind of visual illusion of driver so that hole shape garland 3 will be considered existing by driver apart from deceleration strip 50m opening positions
There is the irregular pit on highway, so as to carry out subconscious deceleration-operation.
Wherein, the bottom face and steel for the steel filler rod 4 that the rear end face center of steel deceleration strip component 1 is welded
The bottom face of deceleration strip component 1 is coplanar, therefore the bottom face of steel filler rod 4 is directly attached on road surface, in the absence of space, ensures that it makes
With quality, will not be broken because of space be present with ground by automobile.
Wherein, the bottom face for the sliding groove 10 that the left and right sides end face of the groove 6 inwardly opens up is to the bottom of groove 6
10mm is spaced between face so that play the slide for making its top not hinder security bar 7 after the bolt fixation of fixation.
The specifically used mode of the present embodiment and effect：
The steel filler rod 4 that five groups of rear end face centers of steel deceleration strip component 1 are welded is inserted into the front end bottom of rubber blanket 2
Portion opened up five in caulking groove 8, five groups of steel deceleration strip components 1 are fixed being bolted insertion hole 12 being fixedly mounted
On highway；When bolt is fixed, the security bar 7 that is slidably connected in sliding groove 10 that the left and right ends face of groove 6 is opened up
The contact surface of head end is broken into two with one's hands, bolt is inserted hole 12, after bolt is fixed, the security bar 7 under the bounce of spring 9 is fixedly mounted
It will flex outward, then the head end of two groups of corresponding security bars 7 will contact again, beneficial in longer period of time
Afterwards, when playing some bolt looseness of fixation, by the barrier of the head end of two groups of security bars 7, the spiral shell loosened can be prevented
Bolt vibration is jolted out in fixed installation hole 12, in order to avoid the tire of the automobile to being travelled on highway damages, avoids traffic thing
Therefore generation；
Further, the top end face of rubber blanket 2, which is provided with one, cheats shape garland 3, and cheats the shape and color of shape garland 3
It is similar to the shape and color of the irregular pit on existing highway, by the design of the hole shape garland 3, exist beneficial to driver
The hole shape garland 3 set by the top end face of rubber blanket 2 is will be appreciated that close to deceleration strip 50m opening positions, because cheating the shape of shape garland 3
And color is similar to the shape and color of the irregular pit on existing highway, therefore driver can be misdeemed as public affairs a long way off
Irregular pit on road, the subconscious deceleration of meeting, when close to deceleration strip 15-20 opening positions, driver can be clearly seen
The true and false of shape garland 3 is cheated set by the top end face of rubber blanket 2, at this moment because the car speed that driver is driven has subtracted
Delay and run at a low speed so that the automobile low speed that driver drives passes through slowly deceleration strip, so as to play buffer deceleration
Purpose, improve the safety at traffic road junction, further, the top end face of rubber blanket 2 in addition to the set position of hole shape garland 3 remaining
The color of end face is similar to the bituminous paving color on existing highway so that passes through setting off for the top end face color of rubber blanket 2
Hole shape garland 3 gives a kind of visual illusion of driver so that driver will incite somebody to action apart from deceleration strip 50m opening positions
Hole shape garland 3 is considered the irregular pit on existing highway, so as to carry out subconscious deceleration-operation, and the bottom of rubber blanket 2
The honeycomb aperture 5 of some ordered arrangements is offered, adds the anti-rolling property of rubber blanket 2, moreover it is possible to reduce making an uproar when wheel passes through
Sound.
Using technical scheme of the present invention, or those skilled in the art is under the inspiration of technical solution of the present invention, if
Similar technical scheme is counted out, and reaches above-mentioned technique effect, is to fall into protection scope of the present invention.
Claims (8)
1. the high intensity speed bump structure in some section of highway, it is characterised in that：The high intensity in some section of highway subtracts
Speed belt structure includes steel deceleration strip component (1), rubber blanket (2), hole shape garland (3), steel filler rod (4), honeycomb aperture (5),
Groove (6), security bar (7), caulking groove (8), spring (9), sliding groove (10), cylinder groove (11), it is fixedly mounted hole (12), sliding shoe
And cylinder (702) (701)；Deceleration strip of the present invention is made up of five groups of steel deceleration strip components (1)；Steel deceleration strip described in five groups
The rear end face center of component (1) is respectively welded with a steel filler rod (4)；Steel deceleration strip component described in five groups
(1) rear is provided with rubber blanket (2), and the length of rubber blanket (2) and the length of steel deceleration strip component (1) phase composition described in five groups
Spend consistent；The front bottom end of the rubber blanket (2) corresponds to steel deceleration strip component (1) rear end face center described in five groups
Steel filler rod (4) opening position welded offers the caulking groove (8) mutually chimeric with steel filler rod (4) at one；The rubber
The bottom of rubber cushion (2) offers the honeycomb aperture (5) of some ordered arrangements；Before the top of the steel deceleration strip component (1)
Both ends respectively offer the groove (6) at one afterwards, and the center of groove (6) opening position bottom face offers a place
State and hole (12) are fixedly mounted；The left and right sides end face of the groove (6) inwardly offers the sliding groove (10) at one, and sliding
Dynamic groove (10) the inner is inward-facing to offer the cylinder groove (11) at one；The inner face of the cylinder groove (11) is welded with one group of institute
State spring (9)；The security bar (7) is made up of sliding shoe (701) and cylinder (702), and cylinder (702) is welded in sliding shoe
(701) rear end face.
2. the high intensity speed bump structure in some section of highway as claimed in claim 1, it is characterised in that：The sliding shoe
(701) structure size is consistent with the structure size of sliding groove (10), and the cylinder that sliding shoe (701) rear end face is welded
(702) diameter is consistent with the diameter of cylinder groove (11).
3. the high intensity speed bump structure in some section of highway as claimed in claim 1 or 2, it is characterised in that：The slip
The cylinder (702) that block (701) rear end face is welded is slidably connected in cylinder groove (11), and cylinder (702) bottom face and welding
Connection is mutually welded in spring (9) head end of the inner face of cylinder groove (11).
4. the high intensity speed bump structure in some section of highway as claimed in claim 1, it is characterised in that：The spring (9)
Two groups of institutes being slidably connected in the sliding groove (10) that the left and right sides end face of the groove (6) is opened up under common extended configuration
The head end for stating security bar (7) is in contact.
5. the high intensity speed bump structure in some section of highway as claimed in claim 1, it is characterised in that：The rubber blanket
(2) top end face is provided with the hole shape garland (3) at one, and on the shape of hole shape garland (3) and color and existing highway
The shape and color of irregular pit are similar.
6. the high intensity speed bump structure in some section of highway as described in claim 1 or 3, it is characterised in that：The rubber
Pad (2) top end face remaining end face in addition to set hole shape garland (3) position color with the asphalt road on existing highway
Complexion coloured silk is similar.
7. the high intensity speed bump structure in some section of highway as claimed in claim 1, it is characterised in that：The steel slows down
The bottom face of the steel filler rod (4) welded with component (1) rear end face center and the bottom face of steel deceleration strip component (1)
It is coplanar.
8. the high intensity speed bump structure in some section of highway as claimed in claim 1, it is characterised in that：The groove (6)
The bottom face of sliding groove (10) that inwardly opens up of left and right sides end face be spaced 10mm between the bottom face of groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710885088.3A CN107476212A (en) | 2017-09-26 | 2017-09-26 | The high intensity speed bump structure in some section of highway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710885088.3A CN107476212A (en) | 2017-09-26 | 2017-09-26 | The high intensity speed bump structure in some section of highway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107476212A true CN107476212A (en) | 2017-12-15 |
Family
ID=60587360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710885088.3A Withdrawn CN107476212A (en) | 2017-09-26 | 2017-09-26 | The high intensity speed bump structure in some section of highway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107476212A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824253A (en) * | 2018-06-29 | 2018-11-16 | 林旭清 | A kind of bridge construction alarming device |
| CN113299102A (en) * | 2021-03-27 | 2021-08-24 | 宁波工程学院 | Underground parking lot navigation method, system and storage medium |
-
2017
- 2017-09-26 CN CN201710885088.3A patent/CN107476212A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824253A (en) * | 2018-06-29 | 2018-11-16 | 林旭清 | A kind of bridge construction alarming device |
| CN108824253B (en) * | 2018-06-29 | 2020-11-10 | 南京城市地下空间工程研究院有限公司 | Bridge construction warning device |
| CN113299102A (en) * | 2021-03-27 | 2021-08-24 | 宁波工程学院 | Underground parking lot navigation method, system and storage medium |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171215 |
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| WW01 | Invention patent application withdrawn after publication |