CN204370342U - A kind of Intelligent speed bump based on shear thickening liquid - Google Patents
A kind of Intelligent speed bump based on shear thickening liquid Download PDFInfo
- Publication number
- CN204370342U CN204370342U CN201420738135.3U CN201420738135U CN204370342U CN 204370342 U CN204370342 U CN 204370342U CN 201420738135 U CN201420738135 U CN 201420738135U CN 204370342 U CN204370342 U CN 204370342U
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- speed
- deceleration strip
- vehicle
- piston
- shear thickening
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Abstract
The utility model discloses a kind of Intelligent speed bump based on shear thickening liquid, external rigidity can be automatically changed according to the speed of a motor vehicle, comprise deceleration strip jut, support spring, piston rod, piston and rigid body, have through hole in the middle of piston rod and piston, in cylinder body, hydraulic fluid is STF.The utility model is by using the STF characteristic that apparent viscosity increases rapidly under HI high impact, can according to the velocity magnitude crossing vehicle, automatic change rigidity size, the effect jolted and warn is played to hot-short, slow-moving vehicle then can without jolting, cosily passing through, punishing low speed of letting pass at a high speed, realizing hommization intelligently guiding and the control to crossing vehicle speed.
Description
Technical field
The utility model relates to the deceleration strip that road cross uses, and particularly relates to the Intelligent speed bump that a kind of rigidity can regulate automatically along with the speed crossing vehicle.
Background technology
In order to limit vehicle to need on slow down section travel speed at urban road road junction, school, Residential Quarter Entrance etc., deceleration strip generally all to be set on these sections, prompting vehicular traffic slow down.Conventional deceleration strip is generally made up of hard rubber, alternate with black to cause vision attention with yellow, makes road surface arch upward a little to reach vehicle deceleration object.
But the height of road given prominence to by existing deceleration strip and rigidity is changeless, thus cause the vehicle of all processes all can produce to jolt and jump car phenomenon, not only can cause discomfort to passenger, also can cause negative effect to vehicle itself simultaneously.Even if driver has lowered the speed of a motor vehicle in advance, due to the existence of deceleration strip, the vibration that deceleration strip causes still must be stood, concerning vehicle toe the mark, obviously unfair.In addition, this deceleration strip all can bring very large injury with hard contact the between vehicle to vehicle and deceleration strip self, less economical.Chinese patent CN101818485B discloses that a kind of this structure can overcome the rigid shock between deceleration strip and vehicle to the deceleration strip of vehicle without rigid shock, but its rigidity remains fixing, can not eliminate the vibrations of vehicle during low speed and sense of jolting completely.Chinese patent CN103061287A discloses and a kind ofly utilizes the adjustable deceleration strip of the rigidity of magnetorheological damping device, deceleration strip rigidity can be changed according to speed of a motor vehicle size, reduce the vibration of slow-moving vehicle, but need velocity sensor, power-supply device and special control appliance with the use of realizing its purpose of design, system complex, reliability are low, less economical.
Summary of the invention
The ride comfort sense impacting, affect driver and conductor to slow-moving vehicle at present conventional speed-reducing rubber band and the adjustable deceleration strip of rigidity occurred have complex structure, reliability is low and economy is poor present situation, the utility model disclose a kind ofly automatically can to regulate with the speed of a motor vehicle rigidity, structure is simple, reliability is high, the Intelligent speed bump of good economy performance, the effect jolted and warn can be played to hot-short, slow-moving vehicle then can without jolting, cosily passing through, punishing low speed of letting pass at a high speed, realizing the hommization Based Intelligent Control to crossing vehicle speed.
The utility model is achieved through the following technical solutions.
Based on an Intelligent speed bump for shear thickening liquid, it is characterized in that: comprise deceleration strip jut, support spring, piston rod, piston, cylinder body and shear thickening liquid; Described piston rod one end is connected with the soffit of deceleration strip jut, and the other end puts in cylinder body and is connected with piston, a common composition movable link that can move up and down; One end of described support spring is connected to the lower surface of deceleration strip jut, and the other end is connected to the upper surface of cylinder body; Described shear thickening liquid is filled in cylinder body; Described cylinder body is buried underground in the road.
Described STF is by nanometer grade silica (nano-SiO
2) etc. molecule be mixed in the stable suspersion liquid that certain base fluid (as mineral oil, ethylene glycol, polyethylene glycol etc.) formed.STF is can the Newtonian fluid of proper flow under normal conditions, and when being subject to slightly shearing, (Millisecond) there will be shear thinning phenomenon, apparent viscosity step-down, mobility grow; When being subject to high-speed impact, apparent viscosity can instantaneously exponentially increase, and becomes hard solid, and when clash into stop or disappearing after again fast (Millisecond) revert to can the Newtonian fluid of proper flow.
Have through hole in the middle of described piston rod and piston, compensating piston bar moves downward the cylinder body inner volume caused and reduces.
Described piston rod one end connects deceleration strip jut, and the other end can connect one or more piston.
Described support spring to be fixed on deceleration strip and cylinder body between outer wall.
In the utility model facility example, offering at least one square elongated slot perpendicular to link length direction, be parallel to compartment of terrain, direction, track at elongated slot two edge and offer the square short groove of multiple tracks, groove is implanted into some cylinder bodies.
The beneficial effects of the utility model and advantage are.
1, by the inner STF be full of, deceleration strip can make intelligent response according to the speed " automatically " crossing vehicle, and present high rigidity to hot-short, cause it and jolt, beat, warn, guided vehicle is the conscious attenuating speed of a motor vehicle when deceleration strip.
2, to the substantially without hindrance effect of vehicle that low speed crosses, improve ride comfort, decrease the rigid contact with vehicle, effectively protect deceleration strip, extend application life.
3, according to crossing the speed of vehicle, automatically regulating deceleration strip rigidity, not needing the support of other any external equipment (as the equipment such as velocity sensor, Energy control), structure is simple, reliability is high, application cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of vehicle high-speed when crossing the utility model Intelligent speed bump.
Fig. 2 is the structural representation of vehicle low speed when crossing the utility model Intelligent speed bump.
Fig. 3 is the sectional drawing of the utility model Intelligent speed bump piston rod.
Fig. 4 is the sectional drawing of the utility model Intelligent speed bump piston.
Fig. 5 is the sectional drawing after the utility model Intelligent speed bump piston rod is connected with piston.
In Fig. 1-Fig. 5: 1 is deceleration strip jut, 2 is support spring, and 3 is piston rod, and 4 is piston, and 5 is cylinder body, and 6 is STF.
Detailed description of the invention
The utility model is described in further detail below in conjunction with drawings and the specific embodiments.Based on an Intelligent speed bump for shear thickening liquid, it is characterized in that: comprise deceleration strip jut (1), support spring (2), piston rod (3), piston (4), cylinder body (5) and shear thickening liquid (6); Described piston rod (3) one end is connected with the soffit of deceleration strip jut (1), and the other end puts in cylinder body (5) and is connected with piston (4), a common composition movable link that can move up and down; One end of described support spring (2) is connected to the lower surface of deceleration strip jut (1), and the other end is connected to the upper surface of cylinder body (5); Described shear thickening liquid (6) is filled in cylinder body (5); Described cylinder body (5) is buried underground in the road.
As shown in Figure 1, when vehicle high-speed is by deceleration strip, wheel high-speed impact deceleration strip jut (1), deceleration strip jut (1) is caused to drive piston rod (3) and piston (4) to move downward at a high speed, STF (6) in piston (4) high speed shear cylinder body (5), the instantaneous increase of apparent viscosity of STF (6), produce moving downward of huge prevention piston (4), externally show as the instantaneous increase of deceleration strip rigidity, deceleration strip presents Incoercibility, vehicle by time jolt larger, even there is jumping phenomena, thus to hot-short with warning and punishment, guide its slow down.
As shown in Figure 2, when vehicle, to cross deceleration strip hourly velocity lower, now the shock of wheel to deceleration strip jut (1) is slower, piston rod (3) and piston (4) movement velocity in cylinder body (5) is slower, less to the impact velocity of STF (6), the apparent viscosity of the STF (6) in deceleration strip can not become large, still the characteristic of Newtonian fluid is presented, resistance is moved downward to piston (4) less, deceleration strip jut (1) can move downward smoothly, vehicle by time substantially can not feel to jolt, high by comfort level, damage less to vehicle and deceleration strip self.Vehicle is through later, and deceleration strip jut (1) is returned to original operating position by support spring (2) in time.
Composition graphs 1 and Fig. 2, if overall height speed is by deceleration strip, front-wheel by time cause more greatly severe jolt because of deceleration strip rigidity and beat (as shown in Figure 1), vehicle drivers is slowed down in time.Because vehicle front-wheel is through later, the rigidity of deceleration strip again can its usual state of instantaneous recovery, so trailing wheel with comparatively jogging speed through deceleration strip, deceleration strip externally presents Low rigidity characteristic, trailing wheel comparatively cosily can pass through deceleration strip (as shown in Figure 2), thus truly reach punishment at a high speed by low speed, realize the hommization intelligently guiding to the speed of a motor vehicle and control.
Claims (4)
1. based on an Intelligent speed bump for shear thickening liquid, it is characterized in that: comprise deceleration strip jut (1), support spring (2), piston rod (3), piston (4), cylinder body (5) and shear thickening liquid (6); Described piston rod (3) one end is connected with the soffit of deceleration strip jut (1), and the other end puts in cylinder body (5) and is connected with piston (4), a common composition movable link that can move up and down; One end of described support spring (2) is connected to the lower surface of deceleration strip jut (1), and the other end is connected to the upper surface of cylinder body (5); Described shear thickening liquid (6) is filled in cylinder body (5); Described cylinder body (5) is buried underground in the road.
2. a kind of Intelligent speed bump based on shear thickening liquid according to claim 1, is characterized in that: described piston rod (3) can connect one or more piston (4).
3. a kind of Intelligent speed bump based on shear thickening liquid according to claim 1, is characterized in that: have through hole in the middle of described piston rod (3).
4. a kind of Intelligent speed bump based on shear thickening liquid according to claim 1, is characterized in that: have through hole in the middle of described piston (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738135.3U CN204370342U (en) | 2014-12-02 | 2014-12-02 | A kind of Intelligent speed bump based on shear thickening liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738135.3U CN204370342U (en) | 2014-12-02 | 2014-12-02 | A kind of Intelligent speed bump based on shear thickening liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204370342U true CN204370342U (en) | 2015-06-03 |
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ID=53326574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420738135.3U Expired - Fee Related CN204370342U (en) | 2014-12-02 | 2014-12-02 | A kind of Intelligent speed bump based on shear thickening liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204370342U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258378A (en) * | 2019-04-16 | 2019-09-20 | 四川大学 | A kind of fluid damping rotation and lifting deceleration strip |
| CN110295929A (en) * | 2019-05-23 | 2019-10-01 | 天地科技股份有限公司 | A kind of hydraulic support checking motion |
| CN111692245A (en) * | 2019-03-11 | 2020-09-22 | 张甫州 | Braking mode |
-
2014
- 2014-12-02 CN CN201420738135.3U patent/CN204370342U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692245A (en) * | 2019-03-11 | 2020-09-22 | 张甫州 | Braking mode |
| CN110258378A (en) * | 2019-04-16 | 2019-09-20 | 四川大学 | A kind of fluid damping rotation and lifting deceleration strip |
| CN110295929A (en) * | 2019-05-23 | 2019-10-01 | 天地科技股份有限公司 | A kind of hydraulic support checking motion |
| CN110295929B (en) * | 2019-05-23 | 2021-11-19 | 天地科技股份有限公司 | Hydraulic support anti-impact device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20151202 |
|
| EXPY | Termination of patent right or utility model |