CN113565027A - Effectual deceleration strip of shock attenuation for municipal works - Google Patents
Effectual deceleration strip of shock attenuation for municipal works Download PDFInfo
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- CN113565027A CN113565027A CN202110898768.5A CN202110898768A CN113565027A CN 113565027 A CN113565027 A CN 113565027A CN 202110898768 A CN202110898768 A CN 202110898768A CN 113565027 A CN113565027 A CN 113565027A
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- fixedly connected
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- deceleration strip
- contact
- vehicle
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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
- E01F9/50—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
Abstract
The invention discloses a municipal engineering deceleration strip with a good damping effect, which comprises a deceleration strip body, wherein mounting notches are uniformly formed in the surface of the deceleration strip body, forward contact block pieces are uniformly and fixedly connected to positions, located between the mounting notches, on the front side of the deceleration strip body, reverse protection mechanisms are uniformly and fixedly connected to positions, located between the mounting notches, on the back side of the deceleration strip body, one end of the back side of each forward contact block piece is fixedly connected with each reverse protection mechanism, and the invention relates to the technical field of municipal engineering. This effectual deceleration strip for municipal works of shock attenuation has reached the structure upset guide downwards at rear in advance, reduces the vehicle and rolls the lifting height when passing through to vehicle contact resistance improves the vehicle comfort level of traveling.
Description
Technical Field
The invention relates to the technical field of municipal engineering, in particular to a deceleration strip with a good damping effect for municipal engineering.
Background
Various public infrastructure construction supporting in urban life all belong to municipal works category, for example common urban road, bridge, subway, underground pipeline, tunnel, river course, track traffic, sewage treatment, refuse treatment processing etc. engineering, for example again with the life closely relevant various pipelines: rainwater, sewage, water supply, reclaimed water, electric power (parts except red lines), telecommunication, heating power, gas and the like, and construction of squares, urban greening and the like belong to the municipal engineering category.
The deceleration strip is also called a deceleration ridge and is a traffic facility which is arranged on a highway and used for decelerating passing vehicles. The shape is generally strip-shaped and also has a point shape; the material is mainly rubber and also metal; generally, yellow and black are alternated to attract visual attention, so that the road surface is slightly arched to achieve the aim of vehicle deceleration. The special traffic safety setting is generally arranged on road junctions, industrial and mining enterprises, schools, residential community population and other road sections requiring vehicle slow down and traffic accidents are easy to cause, and is a novel special traffic safety setting for reducing the running speed of motor vehicles and non-motor vehicles.
Traditional deceleration strip rolls the in-process and can produce the contact impact in the twinkling of an eye to the vehicle, and the impact force conduction is to the car in, and the buffering effect of traditional deceleration strip is poor, causes the influence to the personnel comfort level in the car, and traditional deceleration strip can not restrict the vehicle that reversely traveles simultaneously.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the deceleration strip with good damping effect for municipal engineering, and solves the problems that instantaneous contact impact can be generated on a vehicle in the rolling process of the traditional deceleration strip, the impact force is transmitted into the vehicle, the buffering effect of the traditional deceleration strip is poor, the comfort level of personnel in the vehicle is influenced, and the traditional deceleration strip cannot limit the vehicle which runs reversely.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a municipal engineering deceleration strip with a good damping effect comprises a deceleration strip body, wherein mounting notches are uniformly formed in the surface of the deceleration strip body, forward contact block pieces are uniformly and fixedly connected to positions, located between the mounting notches, in the front side of the deceleration strip body, reverse protection mechanisms are uniformly and fixedly connected to positions, located between the mounting notches, in the back side of the deceleration strip body, and one end of the back side of each forward contact block piece is fixedly connected with each reverse protection mechanism;
the positive direction contact piece spare includes the stabilising plate, stabilising plate's bottom and the deceleration strip body fixed connection, the right side fixedly connected with contact protection plate on stabilising plate top, the stabilising plate top is close to left position fixedly connected with buffering subassembly, the directional taper plate of intermediate position fixedly connected with at buffering subassembly top, the left end fixedly connected with adjustment returning face plate of contact protection plate, the top of buffering subassembly is provided with turns to and subtracts the drag plate, the one end that turns to and subtracts the drag plate is rotated and is connected with the conduction pull rod, the intermediate position and the buffering subassembly sliding connection of conduction pull rod. When the vehicle rolled the front end, rolled the structure of rear downwards in advance and guided, reduced the vehicle and rolled the lifting height when passing to vehicle contact resistance improves the vehicle comfort level of traveling.
Preferably, the contact protection plate part comprises a speed reduction sticking block, the bottom end of the speed reduction sticking block is fixedly connected with the stabilizing bottom plate, and movable inner grooves are uniformly formed in the surface of the outer side of the speed reduction sticking block.
Preferably, the inside of the movable inner groove is connected with a contact wiping block in a sliding manner, and the lower part of the right side of the contact wiping block is fixedly connected with the speed reduction sticking block through a restoring spring. The positions of the tire parts are rubbed and cleaned, dirt on the tire is cleaned, and the stability of the tire in running is ensured.
Preferably, the buffering subassembly includes the location inserted bar, the bottom and the stable bottom plate fixed connection of location inserted bar, the intermediate position sliding connection of location inserted bar has the buffering slider, the intermediate position fixedly connected with fulcrum lever in the buffering slider outside, the intermediate position sliding connection of fulcrum lever and conduction pull rod.
Preferably, the two ends of the positioning insertion rod close to the lower part are symmetrically and fixedly connected with elastic oblique insertion plates, and resistance-increasing convex blocks are uniformly arranged on the outer sides of the elastic oblique insertion plates from the surfaces. The vibration can warn the driver.
Preferably, reverse protection machanism is including extending the bottom plate, it is provided with the removal spout to extend the bottom plate top and be close to left position, the inside sliding connection who removes the spout has the contact plate dorsad, the right-hand member and the adjustment returning face plate fixed connection of contact plate dorsad.
Preferably, the top of the extension bottom plate is fixedly connected with a filling bag, the middle position of the top of the extension bottom plate is fixedly connected with a corrugated expansion link, the right side input end of the corrugated expansion link is fixedly communicated with the filling bag, the left side of the corrugated expansion link is fixedly connected with the bottom end of the back contact plate, and the middle position of the bottom of the back contact plate is fixedly connected with a one-way limiting assembly. Both played the effect of buffering, also realized lengthening deceleration strip length, increased the length that the vehicle whereabouts was gone, avoided appearing the shake that highly sudden drop produced, further improved the comfort level.
Preferably, the one-way limiting assembly comprises an elastic rolling piece, a matching through groove is formed in the middle of the elastic rolling piece, a containing groove is fixedly connected to the bottom of the elastic rolling piece, and a contact roller is rotatably connected to the middle of the inside of the containing groove. The wheels are idled, and safety protection is provided for the vehicle to run backwards in the deceleration strip.
(III) advantageous effects
The invention provides a deceleration strip with a good damping effect for municipal engineering. The method has the following beneficial effects:
(1) this effectual deceleration strip of shock attenuation for municipal works, when the vehicle rolls the surface of pressing at the contact protection plate, the deceleration strip is extrudeed downwards in the twinkling of an eye, reduce the height of deceleration strip, reduce the impact force that vehicle and deceleration strip contacted, contact protection plate turns to through the conduction pull rod pulling simultaneously and subtracts the downward upset removal of drag plate, thereby will turn to the left end that subtracts the drag plate and overturn downwards, and under the support of directional cone plate, when the vehicle rolls the front end, in advance with the downward upset guide of structure at rear, reduce the vehicle and roll the lifting height when passing through, thereby vehicle contact resistance, improve vehicle driving comfort.
(2) This effectual deceleration strip for municipal works of shock attenuation, when the contact of vehicle tire and contact rubbing piece, the tire drives the contact rubbing piece and slides downwards, rubs the piece with the contact and strikes the inner wall at the piece that pastes that slows down in the twinkling of an eye, and the impact force will contact rubbing piece and tire and take place to slide to it is clean with the partial position friction of tire, clear up the dirt on the tire, guarantee the stability that the tire went.
(3) This effectual deceleration strip for municipal works of shock attenuation, vehicle decompression when turning to the drag reduction board top position, turn to the drag reduction board and drive the buffering slider downstream through the conduction pull rod to shock takes place for the contact gradually between buffering slider internal surface and the drag increase lug, and vibrations cause the warning effect to the driver.
(4) This effectual deceleration strip for municipal works of shock attenuation, when the vehicle went reverse protection machanism position, the pressure of rolling will fill the inside non-Newtonian fluid of bag and conduct to ripple telescopic link position, both played the effect of buffering, also realize lengthening deceleration strip length, increase the length that the vehicle whereabouts was gone, avoid appearing the shake that highly sudden deceleration produced, further improve the comfort level.
(5) This effectual deceleration strip for municipal works of shock attenuation, when the vehicle forward went, the contact gyro wheel can not lead to the fact great influence to the vehicle, and when the vehicle retrograde motion, the vehicle rolled elasticity and rolled piece, and the contact gyro wheel outwards exposes and in the wheel contact this moment, and the wheel drives the contact gyro wheel and rotates to idle the wheel, provide safety protection except that the retrograde motion at the deceleration strip for the vehicle.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic view of the internal structure of the positive contact block of the present invention;
FIG. 3 is a partial schematic view of a contact protection plate according to the present invention;
FIG. 4 is a schematic view of a cushion assembly according to the present invention;
FIG. 5 is a schematic structural view of the reverse protection mechanism of the present invention;
FIG. 6 is a schematic structural diagram of a one-way restriction assembly of the present invention.
In the figure: the device comprises a speed reducing belt body 1, a mounting notch 2, a forward contact block piece 3, a stable bottom plate 31, a contact protection plate 32, a speed reducing sticking block 321, a movable inner groove 322, a contact rubbing block 323, a return spring 324, a buffer component 33, a positioning inserted rod 331, a buffer sliding block 332, a fulcrum pry bar 333, an elastic oblique inserted plate 334, a resistance-increasing bump 335, a directional tapered plate 34, an adjusting overturning plate 35, a steering resistance-reducing plate 36, a conduction pull rod 37, a reverse protection mechanism 4, an extending bottom plate 41, a filling bag 42, a moving sliding chute 43, a contact plate 44, a corrugated telescopic rod 45, a one-way limiting component 46, an elastic rolling sheet 461, a matching through groove 462, a 463 receiving groove and a 464 contact roller.
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.
As shown in fig. 1 to 6, the present invention provides a technical solution: a deceleration strip with good damping effect for municipal engineering comprises a deceleration strip body 1, wherein mounting notches 2 are uniformly formed in the surface of the deceleration strip body 1, forward contact block pieces 3 are uniformly and fixedly connected to the positions, located between the mounting notches 2, of the front side of the deceleration strip body 1, reverse protection mechanisms 4 are uniformly and fixedly connected to the positions, located between the mounting notches 2, of the back side of the deceleration strip body 1, and one end of the back side of each forward contact block piece 3 is fixedly connected with each reverse protection mechanism 4;
forward contact piece 3 includes stabilizer plate 31, stabilizer plate 31's bottom and the 1 fixed connection of speed reduction area body, the right side fixedly connected with contact protection plate 32 on stabilizer plate 31 top, stabilizer plate 31 top is close to left position fixedly connected with buffering subassembly 33, the directional taper plate 34 of intermediate position fixedly connected with at buffering subassembly 33 top, the left end fixedly connected with adjustment returning face plate 35 of contact protection plate 32, the top of buffering subassembly 33 is provided with to turn to and subtracts drag plate 36, it is fixed with buffering subassembly 33 through the supporting roof to turn to the right side that subtracts drag plate 36, the one end rotation that turns to subtract drag plate 36 is connected with conduction pull rod 37, the intermediate position and the buffering subassembly 33 sliding connection of conduction pull rod 37. When the vehicle rolled the front end, rolled the structure of rear downwards in advance and guided, reduced the vehicle and rolled the lifting height when passing to vehicle contact resistance improves the vehicle comfort level of traveling.
The contact protection plate 32 comprises a speed reduction block 321, the bottom end of the speed reduction block 321 is fixedly connected with the stable bottom plate 31, and movable inner grooves 322 are uniformly formed in the surface of the outer side of the speed reduction block 321.
The inside of the movable inner groove 322 is slidably connected with a contact wiping block 323, and the lower right side of the contact wiping block 323 is fixedly connected with a speed reduction sticking block 321 through a recovery spring 324. The positions of the tire parts are rubbed and cleaned, dirt on the tire is cleaned, and the stability of the tire in running is ensured.
The buffer component 33 comprises a positioning insertion rod 331, the bottom end of the positioning insertion rod 331 is fixedly connected with the stable bottom plate 31, a buffer sliding block 332 is connected to the middle position of the positioning insertion rod 331 in a sliding mode, the outer side of the buffer sliding block 332 is fixed with the supporting top plate, a fulcrum pry bar 333 is fixedly connected to the middle position of the outer side of the buffer sliding block 332, and the fulcrum pry bar 333 is connected with the middle position of the conduction pull rod 37 in a sliding mode.
Two ends of the positioning insertion rod 331 close to the lower part are symmetrically and fixedly connected with elastic oblique insertion plates 334, and resistance increasing convex blocks 335 are uniformly arranged on the outer sides of the elastic oblique insertion plates 334 from the surfaces. The vibration can warn the driver.
The reverse protection mechanism 4 comprises an extension bottom plate 41, a moving sliding chute 43 is arranged at the position, close to the left side, of the top of the extension bottom plate 41, a back contact plate 44 is connected inside the moving sliding chute 43 in a sliding mode, and the right end of the back contact plate 44 is fixedly connected with the adjusting overturning plate 35.
The top of the extension bottom plate 41 is fixedly connected with a filling bag 42, the middle position of the top of the extension bottom plate 41 is fixedly connected with a corrugated expansion link 45, the right side input end of the corrugated expansion link 45 is fixedly communicated with the filling bag 42, the left side of the corrugated expansion link 45 is fixedly connected with the bottom end of a back contact plate 44, and the middle position of the bottom of the back contact plate 44 is fixedly connected with a one-way limiting assembly 46. Both played the effect of buffering, also realized lengthening deceleration strip length, increased the length that the vehicle whereabouts was gone, avoided appearing the shake that highly sudden drop produced, further improved the comfort level.
The one-way limiting assembly 46 comprises an elastic rolling piece 461, a matching through groove 462 is arranged at the middle position of the elastic rolling piece 461, a containing groove 463 is fixedly connected to the bottom of the elastic rolling piece 461, and a contact roller 464 is rotatably connected to the middle position inside the containing groove 463. The wheels are idled, and safety protection is provided for the vehicle to run backwards in the deceleration strip.
The working principle is as follows: the positive contact block piece 3 is placed in the direction opposite to the running direction of a vehicle, the speed reducing belt is installed on the road surface through the installation notch 2, when the vehicle is rolled on the surface of the contact protection plate piece 32, the speed reducing belt is instantly extruded downwards, the height of the speed reducing belt is reduced, the impact force of the vehicle contacting with the speed reducing belt is reduced, meanwhile, the contact protection plate piece 32 pulls the steering resistance reducing plate 36 to turn downwards through the conduction pull rod 37 to move, so that the left end of the steering resistance reducing plate 36 is turned downwards, and under the support of the directional conical plate 34, when the vehicle rolls on the front end, the rear structure is turned downwards in advance to guide, the rolling height when the vehicle passes is reduced, the vehicle contact resistance is reduced, and the running comfort of the vehicle is improved; when a vehicle tire is in contact with the contact rubbing block 323, the tire drives the contact rubbing block 323 to slide downwards, the contact rubbing block 323 instantly impacts the inner wall of the speed reduction sticking block 321, and the impact force enables the contact rubbing block 323 to slide with the tire, so that the position of the tire is rubbed and cleaned, dirt on the tire is cleaned, and the stability of the tire in running is ensured; when the vehicle is depressurized above the steering drag reduction plate 36, the steering drag reduction plate 36 drives the buffer slide block 332 to move downwards through the conduction pull rod 37, so that the inner surface of the buffer slide block 332 is gradually contacted with the drag increase bump 335 to generate vibration, and the vibration gives a warning effect to a driver; when the vehicle runs to the reverse protection mechanism 4, the rolling force conducts the non-Newtonian fluid in the filling bag 42 to the corrugated expansion link 45, so that the buffer effect is achieved, the length of the deceleration strip is lengthened, the running length of the vehicle when the vehicle falls is increased, the shaking caused by sudden height reduction is avoided, and the comfort level is further improved; when the vehicle is traveling in the forward direction, contact roller 464 can not cause great influence to the vehicle, and when the vehicle retrograde motion, the vehicle rolls elasticity rolling piece 461, and contact roller 464 outwards exposes and in the wheel contact this moment, and the wheel drives contact roller 464 and rotates to with the wheel idle running, provide safety protection at the deceleration strip except that the retrograde motion for the vehicle.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an effectual deceleration strip for municipal works of shock attenuation, includes the deceleration strip body (1), its characterized in that: the surface of the speed reducing belt body (1) is uniformly provided with mounting notches (2), forward contact block pieces (3) are uniformly and fixedly connected to the positions, located between the mounting notches (2), of the front side of the speed reducing belt body (1), reverse protection mechanisms (4) are uniformly and fixedly connected to the positions, located between the mounting notches (2), of the back side of the speed reducing belt body (1), and one end of the back side of each forward contact block piece (3) is fixedly connected with each reverse protection mechanism (4);
forward contact piece spare (3) are including stabilising plate (31), the bottom and the speed reduction area body (1) fixed connection of stabilising plate (31), the right side fixedly connected with contact protection plate (32) on stabilising plate (31) top, stabilising plate (31) top is close to left position fixedly connected with buffering subassembly (33), the directional taper plate (34) of intermediate position fixedly connected with at buffering subassembly (33) top, the left end fixedly connected with adjustment returning face plate (35) of contact protection plate (32), the top of buffering subassembly (33) is provided with turns to and subtracts drag plate (36), the one end that turns to and subtracts drag plate (36) is rotated and is connected with conduction pull rod (37), the intermediate position and the buffering subassembly (33) sliding connection of conduction pull rod (37).
2. The deceleration strip with good damping effect for municipal engineering according to claim 1, is characterized in that: the contact protection plate (32) comprises a speed reduction sticking block (321), the bottom end of the speed reduction sticking block (321) is fixedly connected with the stable bottom plate (31), and movable inner grooves (322) are uniformly formed in the surface of the outer side of the speed reduction sticking block (321).
3. The deceleration strip with good damping effect for municipal engineering according to claim 2, is characterized in that: the inner part of the movable inner groove (322) is connected with a contact wiping block (323) in a sliding way, and the lower part of the right side of the contact wiping block (323) is fixedly connected with a speed reduction sticking block (321) through a restoring spring (324).
4. The deceleration strip with good damping effect for municipal engineering according to claim 1, is characterized in that: buffer unit (33) are including location inserted bar (331), the bottom and the stable bottom plate (31) fixed connection of location inserted bar (331), the intermediate position sliding connection of location inserted bar (331) has buffering slider (332), the intermediate position fixedly connected with fulcrum pinch bar (333) in the buffering slider (332) outside, the intermediate position sliding connection of fulcrum pinch bar (333) and conduction pull rod (37).
5. The deceleration strip with good damping effect for municipal engineering according to claim 4, is characterized in that: the two ends of the positioning insertion rod (331) close to the lower part are symmetrically and fixedly connected with elastic oblique insertion plates (334), and resistance increasing convex blocks (335) are uniformly arranged on the outer side of each elastic oblique insertion plate (334) from the surface.
6. The deceleration strip with good damping effect for municipal engineering according to claim 1, is characterized in that: reverse protection machanism (4) are including extending bottom plate (41), it is provided with removal spout (43) to extend bottom plate (41) top and be close to left position, the inside sliding connection who removes spout (43) has dorsad contact board (44), the right-hand member and the adjustment returning face plate (35) fixed connection of dorsad contact board (44).
7. The deceleration strip with good damping effect for municipal engineering according to claim 6, is characterized in that: the top fixedly connected with of extending bottom plate (41) fills bag (42), the intermediate position fixedly connected with ripple telescopic link (45) at extension bottom plate (41) top, the right side input of ripple telescopic link (45) and the fixed intercommunication of bag (42) fill, the left side and the dorsad contact plate (44) bottom fixed connection of ripple telescopic link (45), the intermediate position fixedly connected with one-way restriction subassembly (46) of dorsad contact plate (44) bottom.
8. The deceleration strip with good damping effect for municipal engineering according to claim 7, is characterized in that: the one-way limiting assembly (46) comprises an elastic rolling piece (461), a matching through groove (462) is formed in the middle of the elastic rolling piece (461), a containing groove (463) is fixedly connected to the bottom of the elastic rolling piece (461), and a contact roller (464) is rotatably connected to the middle of the inside of the containing groove (463).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110898768.5A CN113565027B (en) | 2021-08-05 | 2021-08-05 | Effectual deceleration strip of shock attenuation for municipal works |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110898768.5A CN113565027B (en) | 2021-08-05 | 2021-08-05 | Effectual deceleration strip of shock attenuation for municipal works |
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| CN113565027A true CN113565027A (en) | 2021-10-29 |
| CN113565027B CN113565027B (en) | 2022-07-19 |
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| WO2014165935A1 (en) * | 2013-04-13 | 2014-10-16 | Rivlin Ian | A collapsible speed bump assembly |
| CN108004976A (en) * | 2017-08-20 | 2018-05-08 | 田腾 | A kind of slowed down road-block for controlling automobile one-way traffic |
| CN109468901A (en) * | 2018-12-03 | 2019-03-15 | 商丘师范学院 | A kind of Anti-reverse deceleration strip |
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| CN111172906A (en) * | 2019-12-27 | 2020-05-19 | 航天信息股份有限公司 | Road deceleration strip |
| CN112012123A (en) * | 2020-09-10 | 2020-12-01 | 饶雪萍 | Road cleaning type deceleration strip |
| CN213267562U (en) * | 2020-09-10 | 2021-05-25 | 巢湖学院 | Deceleration strip with function of preventing vehicle from sliding on uphill slope |
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2021
- 2021-08-05 CN CN202110898768.5A patent/CN113565027B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014165935A1 (en) * | 2013-04-13 | 2014-10-16 | Rivlin Ian | A collapsible speed bump assembly |
| CN108004976A (en) * | 2017-08-20 | 2018-05-08 | 田腾 | A kind of slowed down road-block for controlling automobile one-way traffic |
| CN109468901A (en) * | 2018-12-03 | 2019-03-15 | 商丘师范学院 | A kind of Anti-reverse deceleration strip |
| CN109944177A (en) * | 2019-02-20 | 2019-06-28 | 中国市政工程中南设计研究总院有限公司 | A kind of town road deceleration device for preventing automobile from bouncing |
| CN111172906A (en) * | 2019-12-27 | 2020-05-19 | 航天信息股份有限公司 | Road deceleration strip |
| CN112012123A (en) * | 2020-09-10 | 2020-12-01 | 饶雪萍 | Road cleaning type deceleration strip |
| CN213267562U (en) * | 2020-09-10 | 2021-05-25 | 巢湖学院 | Deceleration strip with function of preventing vehicle from sliding on uphill slope |
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| CN113565027B (en) | 2022-07-19 |
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