CN109371878B

CN109371878B - Anti-collision road barrier based on non-Newtonian fluid

Info

Publication number: CN109371878B
Application number: CN201811265166.0A
Authority: CN
Inventors: 方标; 许萌; 柯军梁
Original assignee: Shangyu Research Institute of ZJUT
Current assignee: Shangyu Research Institute of ZJUT
Priority date: 2018-10-29
Filing date: 2018-10-29
Publication date: 2021-08-03
Anticipated expiration: 2038-10-29
Also published as: CN109371878A

Abstract

The invention relates to the technical field of roadblocks and discloses an anti-collision type road roadblock based on non-Newtonian fluid, which comprises a base, wherein position resetting mechanisms are arranged at four corners of the top of the base, mounting plates are arranged at the tops of the four position resetting mechanisms, a bearing is embedded in the middle of each mounting plate, a support column is fixedly mounted on an inner ring of each bearing, a protection ring is fixedly mounted at the top of each support column, and the non-Newtonian fluid is filled in a cavity in each protection ring. When the protective ring is impacted, the viscosity of the non-Newtonian fluid is greatly improved at the moment of stress, so that the non-Newtonian fluid is instantly changed into a hard solid, the anti-collision performance of the roadblock is ensured, the damage of the roadblock caused by the impact force is prevented, meanwhile, the roadblock can be restored to the original shape through the position resetting mechanism after the impact, the inconvenience brought to maintenance personnel is avoided, the danger caused to the vehicle is reduced, and the non-Newtonian fluid has the advantages of convenience in use and low cost.

Description

Anti-collision road barrier based on non-Newtonian fluid

Technical Field

The invention relates to the technical field of roadblocks, in particular to an anti-collision type road barrier based on non-Newtonian fluid.

Background

In urban roads, in order to prevent a running vehicle from driving into a sidewalk from a motorway to bump pedestrians or non-motor vehicles, a roadblock is often arranged between the motorway and the sidewalk as a barrier for blocking, most of the existing roadblocks are cement column structures or hollow iron column structures, but the anti-collision performance of the roadblock is not good, and after the running vehicle collides with the roadblock, the roadblock can be deformed or damaged, so that difficulty is caused for maintenance personnel or danger is caused for the vehicle.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an anti-collision type road barrier based on non-Newtonian fluid, which has the advantages of low cost, better anti-collision performance and restoration after collision, and solves the problems that the anti-collision performance of the road barrier is poor, and after a running vehicle collides with the road barrier, the road barrier is deformed, so that the difficulty is caused to constructors or the danger is caused to the vehicle.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an anticollision type road barricade based on non-Newton fluid, includes the base, the four corners department at base top all is provided with position canceling release mechanical system, four position canceling release mechanical system's top is provided with the mounting panel, the middle part of mounting panel is inlayed and is had the bearing, the inner circle fixed mounting of bearing has the support column, the top fixed mounting of support column has the guard circle, fill non-Newton fluid in the inside cavity of guard circle, the inside middle part of guard circle is provided with shape supporting mechanism, the fixed intercommunication in middle part at guard circle top has first flexible pipe, first sealed lid has been cup jointed to the top screw thread of first flexible pipe, the fixed intercommunication in one side of guard circle surface bottom has the flexible pipe of second, the one end screw thread of the flexible pipe of second has cup jointed the sealed lid of second.

Further, position resetting mechanism is including first mount pad and second mount pad, the bottom welding of first mount pad is in one side at the base top, the second mount pad passes through fixing bolt fixed mounting in one side of mounting panel bottom, and first mount pad and second mount pad are located same perpendicular line, middle part between first mount pad and the second mount pad is provided with compression spring, outside fixed mounting between first mount pad and the second mount pad has the sealed bag, and compression spring is located the inside of sealed bag, compression spring's bottom fixed mounting is at the interior diapire of first mount pad, compression spring's top fixed mounting is at the interior roof of second mount pad, be provided with the spring gasket between fixing bolt's head and the top of mounting panel.

Further, shape supporting mechanism is including the montant, the montant is placed at the inside middle part of protective shroud, the fixed cover of surface equidistance of montant has been cup jointed five fixed lantern rings, the surface equidistance fixed mounting of fixed lantern ring has four branches, four the inboard fixed mounting of the one end of fixed lantern ring and rubber circle is kept away from to branch.

Furthermore, an observation window is arranged in the middle of the top of the front surface of the guard ring.

Furthermore, three reflective belts are fixedly sleeved in the middle of the outer surface of the protective ring at equal intervals.

Furthermore, the reinforcing ribs are fixedly mounted on two sides of the top of the outer surface of the supporting column, and the top of each reinforcing rib is fixedly mounted at the bottom of the corresponding protection ring.

Furthermore, the protective ring is made of flexible materials such as plastics.

(III) advantageous effects

The invention provides an anti-collision road barricade based on non-Newtonian fluid, which has the following beneficial effects:

1. the anti-collision type road barrier based on the non-Newtonian fluid is particularly suitable for being used as a road barrier arranged between a motor vehicle lane and a sidewalk, the non-Newtonian fluid is filled in the cavity inside the protective ring, the non-Newtonian fluid is the fluid which does not satisfy the Newton's viscosity experiment law, that is, a fluid whose shear stress and shear strain rate are not in a linear relationship, when the retainer ring is impacted, the short and instant impact force can greatly improve the viscosity of the non-Newtonian fluid at the moment of stress, the non-Newtonian fluid is instantly changed into a hard solid, the anti-collision performance of the roadblock is ensured, the damage of the roadblock caused by the impact force is prevented, meanwhile, the roadblock can be restored to the original shape through the position resetting mechanism after collision, inconvenience brought to maintenance personnel and danger caused to the vehicle are avoided, and the non-Newtonian fluid has the advantages of convenience in use and low cost.

2. This anticollision type road barricade based on non-Newtonian fluid through position canceling release mechanical system's setting, when the vehicle that traveles collides the guard circle, can drive the extension of the compression spring of base top one corner, and this road barricade inclines to one side, and after the external force was got rid of, compression spring can resume to balanced state by oneself for this road barricade resumes to upright state.

3. This anticollision type road barricade based on non-Newtonian fluid, through shape supporting mechanism's setting, five rubber circles can strut into cylindricly with the guard circle, can make the even distribution of non-Newtonian fluid in the inside of guard ring on the one hand, have guaranteed the shape of barricade, and on the other hand rubber circle has certain elasticity, can absorb the collision energy who receives for the crashworthiness of barricade is better.

4. This anticollision type road barricade based on non-Newtonian fluid, cooperation through bearing and support column is used, when the vehicle that traveles strikes to the guard circle, the collision force can make the guard circle take place to rotate, rotatory guard circle can reduce the collision force, and can also pull the vehicle apart with certain angle, make the vehicle slide along the tangential direction with rotatory guard circle, the destructive power that greatly reduced collision caused, reduced the damage that causes the vehicle itself on the one hand, on the other hand can also prevent to cause the dangerous accident on the vehicle rushes into the pavement.

5. This anticollision type road barricade based on non-Newtonian fluid, through the setting of reflection of light area, the reflection of light area can go back the light reflection that shines the reflection of light area surface when night, reaches suggestion vehicle and pedestrian's effect, has improved the security, does not need the electric energy moreover, and environmental protection and energy saving have ensured vehicle and pedestrian's safety again promptly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 in accordance with the present invention;

FIG. 4 is a top view of the shape support mechanism structure of the present invention.

In the figure: the device comprises a base 1, a position reset mechanism 2, a first mounting seat 201, a compression spring 202, a second mounting seat 203, a sealing bag 204, a fixing bolt 205, a spring gasket 206, a mounting plate 3, a bearing 4, a support column 5, a protection ring 6, a reinforcing rib 7, a vertical rod 801, a fixed lantern ring 802, a support rod 803, a rubber ring 804, a first telescopic pipe 9, a first sealing cover 10, a second telescopic pipe 11, a second sealing cover 12, an observation window 13 and a reflective belt 14.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1-4, a non-newtonian fluid-based anti-collision type road barrier comprises a base 1, position resetting mechanisms 2 are arranged at four corners of the top of the base 1, each position resetting mechanism 2 comprises a first mounting seat 201 and a second mounting seat 203, the bottom of the first mounting seat 201 is welded to one side of the top of the base 1, the second mounting seat 203 is fixedly mounted to one side of the bottom of a mounting plate 3 through a fixing bolt 205, the first mounting seat 201 and the second mounting seat 203 are located on the same vertical line, a compression spring 202 is arranged in the middle between the first mounting seat 201 and the second mounting seat 203, a sealing bag 204 is fixedly mounted on the outer side between the first mounting seat 201 and the second mounting seat 203, the compression spring 202 is located inside the sealing bag 204, the sealing bag 204 has a blocking effect, and prevents dust on two sides of a road from entering the first mounting seat 201 and the second mounting seat 203, guaranteed compression spring 202's normal use, compression spring 202's bottom fixed mounting is at the interior diapire of first mount pad 201, compression spring 202's top fixed mounting is at the interior roof of second mount pad 203, be provided with spring washer 206 between fixing bolt 205's head and mounting panel 3's the top, setting through position canceling release mechanical system 2, when the vehicle of traveling collides guard circle 6, can drive the extension of compression spring 202 of base 1 top one corner, this road roadblock inclines to one side, after external force is got rid of, compression spring 202 can resume to balanced state by oneself, make this road roadblock resume to upright state.

The top of the four position resetting mechanisms 2 is provided with a mounting plate 3, the middle part of the mounting plate 3 is embedded with a bearing 4, the inner ring of the bearing 4 is fixedly provided with a support column 5, the bearing 4 and the support column 5 are matched for use, when a running vehicle collides with the protection ring 6, the collision force can enable the protection ring 6 to rotate, the collision force can be reduced by the rotating protection ring 6, the vehicle can be pulled away at a certain angle to slide along the tangential direction of the rotating protection ring 6, the destructive force caused by collision is greatly reduced, on one hand, the damage to the vehicle is reduced, on the other hand, the vehicle can be prevented from rushing into a sidewalk to cause dangerous accidents, the top of the support column 5 is fixedly provided with the protection ring 6, the protection ring 6 is made of flexible materials such as plastics, reinforcing ribs 7 are fixedly arranged on two sides of the top of the outer surface of the support column 5, the top of the reinforcing rib 7 is fixedly arranged at the bottom of the protective ring 6, a non-Newtonian fluid is filled in a cavity in the protective ring 6, the non-Newtonian fluid is a fluid which does not satisfy the Newton viscosity experiment law, namely the fluid which is not in a linear relation between the shear stress and the shear strain rate exerts impact force on the non-Newtonian fluid, the impact force is short and transient, the viscosity of the non-Newtonian fluid is greatly improved at the moment of stress, even the non-Newtonian fluid becomes solid, the non-Newtonian fluid can continuously keep flowing under the continuous and soft acting force, a shape supporting mechanism is arranged in the middle of the interior of the protective ring 6, the shape supporting mechanism comprises a vertical rod 801, the vertical rod 801 is placed in the middle of the interior of the protective ring 6, five fixed lantern rings 802 are fixedly sleeved on the outer surface of the vertical rod 801 at equal intervals, four supporting rods 803 are fixedly arranged on the outer surface of the fixed lantern rings 802 at equal intervals, one end of the four supporting rods 803 far away from the fixed lantern ring 802 and the inner side of the rubber ring 804 are fixedly installed, and through the arrangement of the shape supporting mechanism, the five rubber rings 804 can be used for expanding the protection ring 6 into a cylindrical shape, so that the non-Newtonian fluid can be uniformly distributed in the protection ring 6, the shape of the roadblock is guaranteed, and the rubber ring 804 has certain elasticity, so that the received collision energy can be absorbed, and the anti-collision performance of the roadblock is better.

The middle part of the top of the protection ring 6 is fixedly communicated with a first extension tube 9, the top of the first extension tube 9 is in threaded sleeve joint with a first sealing cover 10, one side of the bottom of the outer surface of the protection ring 6 is fixedly communicated with a second extension tube 11, one end of the second extension tube 11 is in threaded sleeve joint with a second sealing cover 12, the middle part of the front top of the protection ring 6 is provided with an observation window 13, the middle part of the outer surface of the protection ring 6 is in equidistant sleeve joint with three reflective belts 14, and the reflective belts 14 can reflect light irradiated on the surfaces of the reflective belts 14 at night to achieve the effect of prompting vehicles and pedestrians, thereby improving the safety, avoiding electric energy, protecting the environment, saving the energy and ensuring the safety of the vehicles and the pedestrians. non-Newtonian fluid means the fluid that does not satisfy Newton's stickness law of experiment, be the fluid of linear relation between its shear stress and the shear strain rate promptly, when protective ring 6 receives the striking, short and short, transient impact force, can let non-Newtonian fluid in the atress in the twinkling of an eye, the consistency increases substantially, make non-Newtonian fluid become hard solid in the twinkling of an eye, the anticollision performance of roadblock has been guaranteed, prevent that the impact from causing the roadblock to damage, simultaneously can make the roadblock resume the original state through position canceling release mechanical system 2 after the collision, avoid bringing inconvenience and reduce the danger that leads to the fact vehicle itself for maintenance personal, and non-Newtonian fluid has convenient to use and advantage with low costs.

The working principle is as follows: the first sealing cover 10 is taken down from the top of the first extension pipe 9, the non-Newtonian fluid is filled into the protection ring 6, the vertical rod 801, the supporting rod 803 and the rubber ring 804 can prop the protection ring 6 into a cylinder, so that the non-Newtonian fluid is uniformly distributed in the protection ring 6, when the protection ring 6 is impacted by a vehicle, the impact force of the vehicle can enable the non-Newtonian fluid to be greatly improved in viscosity at the moment of stress, the non-Newtonian fluid is instantly changed into a hard solid, the anti-collision performance of a road barrier is ensured, meanwhile, the protection ring 6 can rotate due to the impact force, the rotating protection ring 6 can reduce the impact force, the vehicle can be pulled out at a certain angle, the vehicle can slide along the tangential direction of the rotating protection ring 6, the destructive force caused by collision is greatly reduced, and after the external force is removed, the compression spring 202 can automatically recover to the balanced state, the road barrier is enabled to be recovered to the vertical state, the reflective belt 14 can reflect the light irradiated on the surface of the reflective belt 14 at night, the effect of prompting vehicles and pedestrians is achieved, and the safety is improved.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An anticollision type road block based on non-Newtonian fluid, including base (1), its characterized in that: the four corners of the top of the base (1) are respectively provided with a position resetting mechanism (2), the tops of the four position resetting mechanisms (2) are provided with a mounting plate (3), a bearing (4) is embedded in the middle of the mounting plate (3), a support pillar (5) is fixedly mounted on the inner ring of the bearing (4), a protective ring (6) is fixedly arranged at the top of the supporting column (5), a non-Newtonian fluid is filled in a cavity inside the protective ring (6), the middle part of the inside of the protective ring (6) is provided with a shape supporting mechanism, the middle part of the top part of the protective ring (6) is fixedly communicated with a first telescopic pipe (9), the top of the first extension pipe (9) is sleeved with a first sealing cover (10) through threads, one side of the bottom of the outer surface of the protection ring (6) is fixedly communicated with a second extension tube (11), one end of the second telescopic pipe (11) is sleeved with a second sealing cover (12) in a threaded manner;

the position resetting mechanism (2) comprises a first mounting seat (201) and a second mounting seat (203), the bottom of the first mounting seat (201) is welded on one side of the top of the base (1), the second mounting seat (203) is fixedly mounted on one side of the bottom of the mounting plate (3) through a fixing bolt (205), the first mounting seat (201) and the second mounting seat (203) are located on the same vertical line, a compression spring (202) is arranged in the middle between the first mounting seat (201) and the second mounting seat (203), a sealing bag (204) is fixedly mounted on the outer side between the first mounting seat (201) and the second mounting seat (203), the compression spring (202) is located inside the sealing bag (204), the bottom of the compression spring (202) is fixedly mounted on the inner bottom wall of the first mounting seat (201), and the top of the compression spring (202) is fixedly mounted on the inner top wall of the second mounting seat (203), a spring gasket (206) is arranged between the head of the fixing bolt (205) and the top of the mounting plate (3);

shape supporting mechanism is including montant (801), montant (801) are placed at the inside middle part of protective shroud (6), the fixed cover of surface equidistance of montant (801) has five fixed lantern rings (802), the surface equidistance fixed mounting of fixed lantern ring (802) has four branch (803), four the inboard fixed mounting of one end and rubber circle (804) of fixed lantern ring (802) is kept away from in branch (803).

2. A non-newtonian fluid based collision avoidance roadway barrier as recited in claim 1, wherein: and an observation window (13) is arranged in the middle of the top of the front surface of the protection ring (6).

3. A non-newtonian fluid based collision avoidance roadway barrier as recited in claim 2, wherein: three reflective belts (14) are fixedly sleeved in the middle of the outer surface of the protective ring (6) at equal intervals.

4. A non-newtonian fluid based collision avoidance roadway barrier as recited in claim 3, wherein: the equal fixed mounting in both sides at support column (5) surface top has strengthening rib (7), and the top fixed mounting of strengthening rib (7) is in the bottom of guard circle (6).

5. A non-newtonian fluid based collision avoidance roadway barrier as recited in claim 4, wherein: the protective ring (6) is made of plastic.