CN115467270B

CN115467270B - Expressway crash barrier

Info

Publication number: CN115467270B
Application number: CN202211168767.6A
Authority: CN
Inventors: 占仲军; 杨爱群; 张军
Original assignee: Guangdong Zhongbo Traffic Environmental Protection Equipment Co ltd
Current assignee: Guangdong Zhongbo Traffic Environmental Protection Equipment Co ltd
Priority date: 2022-09-24
Filing date: 2022-09-24
Publication date: 2023-05-09
Anticipated expiration: 2042-09-24
Also published as: CN115467270A

Abstract

The invention belongs to the field of guardrails, in particular to an anti-collision guardrail for highways, which comprises a supporting column, wherein the outer side of the supporting column is fixedly provided with a guardrail body near the top end, the guardrail body comprises two arc plates which are arranged in parallel, the outer side of one arc plate is provided with three bulges, the inner side of one arc plate is fixedly provided with two extension strips which are symmetrically arranged, the extension strips are fixedly connected with the adjacent guardrail body through bolts, when the guardrail body receives impact, the extension strips can deform to absorb momentum and are arranged, in the process of installing the guardrail, the extension strips are inserted into the inner side of the adjacent guardrail body, and the extension strips are fixed on the inner side of the guardrail body through bolts from the outer side.

Description

Expressway crash barrier

Technical Field

The invention belongs to the field of guardrails, and particularly relates to an expressway crash barrier.

Background

The guardrail is mainly used for protecting personal safety and equipment and facilities in occasions such as houses, highways, commercial areas and public places, is made of steel materials, is fixed with the ground through expansion bolts, and is usually installed on two sides of a logistics channel.

The existing guardrail is simple in structure, general in strength, easy to break under the impact, capable of enabling out-of-control vehicles to rush out of the road to cause larger damage, single in function, and capable of reminding a driver of the traffic accident when the driver cannot get off the vehicle to set warning equipment if the traffic accident is serious after the traffic accident occurs.

To this end, the invention provides a highway crash barrier.

Disclosure of Invention

In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.

The technical scheme adopted for solving the technical problems is as follows: the invention relates to an expressway anti-collision guardrail, which comprises a support column, wherein the outer side of the support column is fixedly provided with a guardrail body near the top end, the guardrail body comprises two parallel arc plates, the outer side of one arc plate is provided with three bulges, the inner side of one arc plate is fixedly provided with two symmetrically arranged extension strips, the extension strips are fixedly connected with the adjacent guardrail body through bolts, and the three bulges are arranged on the outer side of the guardrail body when in operation and are matched with a cavity in the center of the extension strips, so that deformation can be carried out by the guardrail body to absorb momentum when the guardrail body is impacted, the extension strips are arranged, the extension strips are inserted into the inner side of the adjacent guardrail body in the guardrail mounting process, and are fixed on the inner side of the guardrail body by bolts from the outer side.

Preferably, one side that the support column was kept away from to the guardrail body is provided with a plurality of sucking disc, the sucking disc is the hemisphere setting, and a plurality of sucking disc is the equidistance and arranges, the inboard of sucking disc leans on limit fixed mounting to have the magnetite strip, during operation, the setting of cooperation sucking disc, after the car is out of control and hit the guardrail body, owing to momentum is higher, can carry out overlength to the guardrail body and slide, the setting of cooperation sucking disc and magnetite strip for a plurality of sucking disc all can adsorb when contacting the iron sheet outside the automobile body, and the after leaving the vehicle, the separation can offset partial kinetic energy, through this kind of setting, can offset the kinetic energy that the car that partial is out of control slides, reduce the distance that the car is out of control slides, and the setting of cooperation extension strip, let the guardrail body wholeization, be difficult for being broken by the punching can assist the work of sucking disc.

Preferably, one side that the sucking disc is close to the support column is connected with two inflatable bags, the inflatable bags are flexible material, and the outside parcel of inflatable bags has the scratch-resistant layer, the tip of inflatable bags is located the outside of guardrail body, during operation, the setting of cooperation inflatable bags, after the sucking disc is because magnetite strip adsorbs with the car, along with keeping away from of car, can drive the outside pulling of inflatable bags, provide the dynamics of pulling through the sliding friction of inflatable bags and guardrail body, can be stronger with the suction that magnetite strip set up this moment, make the vehicle when keeping away from, can outwards extract two inflatable bags, the frictional force of extracting the process can provide the cushioning effect, after all extracting, the inflatable bags can be attached to the car outside, when there are more inflatable bags to exist with the car outside, can provide the buffering for car outside edge, reduce other injuries that the car subsequently receives.

Preferably, the tip fixed mounting of air bag has handheld signal bullet, handheld signal bullet includes signal bullet body and lead wire, the lead wire is used for triggering the signal bullet body and gives out light, the tip of lead wire and the outside fixed connection of guardrail body, during operation, after the car accident takes place, if it is comparatively serious, lead to the unable car setting warning equipment of driver easily, the setting of cooperation handheld signal bullet this moment, after the air bag is pulled out, can make lead wire and handheld signal bullet separate, thereby let the bright red light that lasts of handheld signal bullet take place, make whether in the night or under the natural environment that sight is obstructed, can both effectually remind the vehicle here to take place the accident, and because the pull out of air bag has certain randomness, there is partial air bag not all to pull out, consequently, the bright department of handheld signal bullet includes the automobile body, initial guardrail body striking department and vehicle stop department, thereby comparatively comprehensive warning follow-up vehicle accident here.

Preferably, the middle part of sucking disc is solid material, the middle part fixedly connected with connecting block of sucking disc, the connecting block is located the inboard of guardrail body, the centre tank has been seted up at the middle part of connecting block, the middle part of sucking disc is the setting of running through, the middle part and the centre tank intercommunication of sucking disc, the centre tank is the form that the outside is narrow in the center width, the inboard rotation in centre tank is connected with the fan, the one end that the sucking disc was kept away from to the centre tank communicates with two air bags, one side of fan is provided with drive assembly, drive assembly is used for driving the fan rotation, the outside fixed mounting of guardrail body has a plurality of elastic protection pad, the elastic protection pad is located the outside of air bags, during operation, after the vehicle takes place the striking with the guardrail body, can make drive assembly open, drives the fan and rotates, the inside of the sucker generates negative pressure, the sucker can not fold by itself under the action of suction force due to the fact that the hard magnet strip is arranged at the outermost side of the sucker, and the fan is wrapped and protected in the connecting block, so that the problem that the fan cannot rotate after being impacted can be reduced, the inflatable bag can be expanded rapidly along with the generation of the negative pressure, the inflatable bag is not required to be in an expanded state all the time, the problem that gas leakage is caused to lose efficacy because of long-term storage is reduced, meanwhile, the negative pressure generated along with the rotation of the fan can be transmitted to the sucker, under the double actions of suction force of the sucker and suction force of the magnet strip, the effect that the sucker can tightly grasp an automobile is further ensured, and the inflatable bag can be wrapped at the inner side due to the arrangement of the protection pad, so that the influence of the outside on the inflatable bag is reduced, and when the inflatable bag is filled with air, the protection pad can be spread, the inflatable bag can be used normally.

Preferably, the driving assembly comprises a compressed air bottle, compressed air bottle and connecting block fixed connection, compressed air bottle's top is connected with out the tuber pipe, the other end that goes out the tuber pipe is the arc setting, go out the other end of tuber pipe and the marginal department intercommunication of center tank, fixedly connected with return bend between the input of top and the check valve of center tank, compressed air bottle's outside is provided with trigger assembly, trigger assembly is used for triggering and opens compressed air bottle, and during operation, when taking place the striking, trigger assembly opens, lets compressed air bottle open, lets air injection in the compressed air bottle to the marginal of center tank, because the center tank is the form that center wide edge is narrow, consequently the air that the edge was circulated can be annular circulation, can not lead to the middle part for the fan is quick rotation under the air current promotes, and middle part pivoted fan still can produce the negative pressure to the sucking disc, and the air current that later leads to the top can be through return bend and check valve input to the air bag in, guarantees that the air bag can expand fast, and the air current that can also let blow down can't flow back through this kind of setting, need not set up and have realized that the fan has realized the fan and has reduced the mechanical and has taken place the absorption and has taken place the fault and has been accomplished through this kind of setting.

Preferably, the trigger assembly comprises a connecting pipe, the connecting pipe is located between the compressed air bottle and the air outlet pipe, the middle part sliding connection of connecting pipe has the piece that blocks, the piece that blocks is the platykurtic setting, one side fixed mounting of blocking the piece has the overhanging strip, the overhanging strip is elastic material, the tip fixed mounting of overhanging strip has the ball of carrying, the outside fixed mounting of carrying the ball has a plurality of lug, the ball of carrying is located one side of sucking disc, during operation, after the vehicle bumps the guardrail body, can extrude the ball of carrying and drive the ball of carrying outwards remove under subsequent friction effect for block the piece and take out the connecting pipe, let compressed air bottle outwards spout compressed air, through this kind of setting, need not to set up complicated electron mechanical device, just can realize the trigger effect.

Preferably, the opposite side fixed mounting who blocks the piece has the blocking piece, the blocking piece includes two expansion pieces, the thickness of expansion piece is half that blocks the piece, fixedly connected with hose between two expansion pieces, it has the air to fill in the hose, during operation, when carrying the ball and not receiving higher pulling force, two open expansion pieces can effectually reduce the problem that the blocking piece was pulled out easily, only when pulling the dynamics too big, just can let two expansion pieces be closed each other to lead to the hose in the middle to be extrudeed broken, just can let the blocking piece be taken out smoothly, reduces the problem that the mistake triggered.

Preferably, the inboard of air bag is provided with the center tube, the center tube is connected with the output of check valve, fixedly connected with a plurality of elastic constraint strip between the outside of center tube and the inner wall of air bag, the tip of center tube is the opening form setting, during operation, the setting of cooperation center tube for the air of filling the air bag, can earlier let inboard inflation earlier along the center tube with the air bag filling inflation that is located the guardrail body outside department, this kind of setting can reduce, lead to the air to go out slowly, make and remove frictional force lower between air bag and the guardrail body, can't play the problem of cushioning effect, and the setting of constraint strip can pull the form of constraint air bag, reduce the too wide of inflation, and can't be pulled out the problem of guardrail body.

Preferably, the flabellum of fan is sectional type setting, fixedly connected with annular ring between two sections flabellums, ring and centre tank slip laminating are connected, and during operation, the form setting of cooperation fan for the middle part and the edge in centre tank are mutually independent, let the air in the compressed air bottle can not flow into centre tank middle part, but can the rotation of full force promotion fan, have further improved the negative pressure that the sucking disc was provided for to the fan, let the sucking disc can be stable grasp the vehicle outside, guarantee its warning and buffering effect.

The beneficial effects of the invention are as follows:

1. according to the highway crash barrier disclosed by the invention, the three bulges are arranged on the outer side of the barrier body, and the cavity is matched with the three bulges, so that when the barrier body is impacted, the barrier body can deform to absorb momentum, and the extension strip is arranged, in the process of installing the barrier, the extension strip is inserted into the inner side of the adjacent barrier body, and the extension strip is fixed on the inner side of the barrier body by using bolts from the outer side.

2. According to the highway crash barrier disclosed by the invention, due to the arrangement of the suckers, after an automobile runs out of control and collides with the barrier body, the super-long sliding along the barrier body can be carried out due to the fact that the momentum is higher, and due to the arrangement of the suckers and the magnet strips, a plurality of suckers can absorb iron sheets outside the automobile body when contacting the iron sheets, and when the automobile leaves, the suckers are separated again but can offset part of kinetic energy, through the arrangement, the kinetic energy of the sliding of the automobile which runs out of control can be offset, the sliding distance of the automobile is reduced, and due to the arrangement of the extension strips, the barrier body is integrated and is not easy to break, and the work of the suckers can be assisted.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the guardrail body of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a cross-sectional view showing connection of the air tank and the connection tube;

FIG. 5 is a top view of a fan according to the present invention;

in the figure: 1. a support column; 2. a guardrail body; 3. a suction cup; 4. extending the strip; 5. a protective pad; 6. an inflatable bag; 7. a hand-held signal bullet; 8. a lead wire; 10. a magnet bar; 9. a central slot; 11. a central tube; 12. a tie bar; 13. a connecting block; 14. a fan; 15. a one-way valve; 16. a compressed air bottle; 17. an air outlet pipe; 18. a connecting pipe; 19. a blocking piece; 20. a barrier sheet; 21. an overhanging strip; 22. carrying the ball.

Description of the embodiments

The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

Examples

As shown in fig. 1 to 2, the highway crash barrier according to the embodiments of the present invention includes a supporting column 1, a barrier body 2 is fixedly mounted on the outer side of the supporting column 1 near the top end, the barrier body 2 includes two parallel arc plates, three protrusions are provided on the outer side of the arc plates, two symmetric extension strips 4 are fixedly mounted on the inner side of one arc plate, the extension strips 4 are fixedly connected with the adjacent barrier body 2 through bolts, and in operation, the arrangement of the three protrusions on the outer side of the barrier body 2 is matched, and the cavity existing in the center of the extension strips is matched, so that deformation can be generated by itself when the barrier body 2 is impacted, and the extension strips 4 are arranged, and in the process of installing the barrier, the extension strips 4 are inserted into the inner side of the adjacent barrier body 2, and the extension strips 4 are fixed on the inner side of the barrier body 2 by using bolts from the outer side.

As shown in fig. 1 to 2, one side of the guardrail body 2 far away from the support column 1 is provided with a plurality of suckers 3, the suckers 3 are arranged in a hemispherical mode, the suckers 3 are arranged in an equidistant mode, the magnet strips 10 are fixedly arranged on the inner side of each sucker 3 by means of edges, the arrangement of the suckers 3 is matched with the arrangement of the suckers 3 in operation, after an automobile runs out of control and collides with the guardrail body 2, the suckers 3 and the magnet strips 10 are matched with the arrangement of the suckers 3, when the suckers 3 are contacted with iron sheets outside the automobile body, the suckers are adsorbed, after the automobile leaves, part of kinetic energy is offset, through the arrangement, the kinetic energy of the sliding of the automobile with partial running out of control can be offset, the sliding distance of the automobile is reduced, and the arrangement of the extension strips 4 is matched, the guardrail body 2 is integrated and is not easy to break, and the operation of the suckers 3 can be assisted.

As shown in fig. 1 to 2, one side of the sucker 3, which is close to the support column 1, is connected with two inflatable bags 6, the inflatable bags 6 are made of flexible materials, the outer sides of the inflatable bags 6 are wrapped with scratch-resistant layers, the end parts of the inflatable bags 6 are located on the outer sides of the guardrail body 2, and in operation, the inflatable bags 6 are matched with the arrangement of the inflatable bags 6, when the sucker 3 is far away from an automobile due to the fact that the magnet strips 10 are adsorbed by the automobile, the inflatable bags 6 can be driven to pull outwards, the force of pulling is provided through the sliding friction force between the inflatable bags 6 and the guardrail body 2, at this moment, the suction force of the magnet strips 10 can be strong, when the automobile is far away, the two inflatable bags 6 can be pulled outwards, the friction force in the pulling process can provide a buffering effect, after all the inflatable bags 6 are pulled out, when more inflatable bags 6 exist on the outer sides of the automobile, buffering can be provided for the edge of the outer sides of the automobile, and other damage to be reduced when the automobile is subsequently suffered.

As shown in fig. 1 to 2, the end portion of the air-bag 6 is fixedly provided with a handheld signaling ball 7, the handheld signaling ball 7 comprises a signaling ball body and a lead wire 8, the lead wire 8 is used for triggering the signaling ball body to emit light, the end portion of the lead wire 8 is fixedly connected with the outer side of the guardrail body 2, when the car accident happens, if the car accident is serious, a warning device is easily arranged, a driver cannot get off the car, at this moment, the hand-held signaling ball 7 is matched with the arrangement of the handheld signaling ball 7, after the air-bag 6 is pulled out, the lead wire 8 is separated from the handheld signaling ball 7, so that the handheld signaling ball 7 can generate bright continuous red light, the accident can be effectively reminded of the car at this place no matter in the night or in the natural environment with blocked vision, and because the air-bag 6 is pulled out to have certain randomness, the bright place of the handheld signaling ball 7 comprises a car body, an initial guardrail body 2 collision place and a car stop place, and accordingly the accident of the following car can be comprehensively reminded.

As shown in fig. 2 to 3, the middle part of the suction cup 3 is made of a solid material, the middle part of the suction cup 3 is fixedly connected with a connecting block 13, the connecting block 13 is positioned at the inner side of the guardrail body 2, a central groove 9 is formed in the middle part of the connecting block 13, the middle part of the suction cup 3 is arranged in a penetrating manner, the middle part of the suction cup 3 is communicated with the central groove 9, the central groove 9 is in a form of wide center and narrow outer side, the inner side of the central groove 9 is rotationally connected with a fan 14, one end of the central groove 9 far away from the suction cup 3 is communicated with two inflatable bags 6, one side of the fan 14 is provided with a driving assembly, the driving assembly is used for driving the fan 14 to rotate, a plurality of elastic protection pads 5 are fixedly arranged at the outer side of the guardrail body 2, the elastic protection pads 5 are positioned at the outer sides of the inflatable bags 6, and after the vehicle collides with the guardrail body 2 during working, the driving component is started to drive the fan 14 to rotate, the inner side of the sucker 3 generates negative pressure, the sucker 3 can not fold by itself under the action of suction force because the hard magnet strip 10 is arranged at the outermost side of the sucker 3, the fan 14 is wrapped and protected in the connecting block 13, the problem that the fan 14 cannot rotate after being impacted can be reduced, the inflatable bag 6 can be rapidly expanded along with the generation of the negative pressure, the inflatable bag 6 is not required to be always in an expanded state, the problem that the inflatable bag 6 fails due to leakage of gas caused by long-term storage is reduced, meanwhile, the negative pressure generated along with the rotation of the fan 14 can be transmitted to the sucker 3, the effect that the sucker 3 can tightly grasp an automobile is further ensured under the double action of the suction force of the sucker 3 and the suction force of the magnet strip 10, the inflatable bag 6 can be wrapped at the inner side by the arrangement of the protection pad 5, the influence of the outside on the inflatable bag 6 is reduced, and when the inflatable bag 6 is filled with air, the protection pad 5 is unfolded, so that the inflatable bag 6 can be normally used.

As shown in fig. 3 to 4, the driving assembly includes a compressed air tank 16, the compressed air tank 16 is fixedly connected with the connecting block 13, the top end of the compressed air tank 16 is connected with an air outlet pipe 17, the other end of the air outlet pipe 17 is in an arc shape, the other end of the air outlet pipe 17 is communicated with the most edge of the central groove 9, an elbow is fixedly connected between the top end of the central groove 9 and the input end of the one-way valve 15, a triggering assembly is arranged on the outer side of the compressed air tank 16, the triggering assembly is used for triggering and opening the compressed air tank 16, when an impact occurs, the triggering assembly is started, the compressed air tank 16 is opened, air in the compressed air tank 16 is injected into the most edge of the central groove 9, and because the central groove 9 is in a form of a wide center and narrow edge, the air flowing at the edge can be in an annular shape and can not flow to the middle, so that the fan 14 can be pushed by air flow to rotate rapidly, meanwhile, the fan 14 rotating in the middle can also generate negative pressure on the sucker 3, and then the air flow flowing to the top end can be input into the air bag 6 through the one-way valve 15, so that the air bag 6 can be guaranteed to be quickly blown and the air bag 6 can not be blown and the air bag can not be quickly and the air bag 3 can be blown and the air bag can not be quickly and the air bag 1 and the air bag can be blown and the air bag 3 can be quickly and the air can be blown and the air can be flowed and the air through by the air through the air bag.

As shown in fig. 4, the triggering component includes a connecting pipe 18, the connecting pipe 18 is located between the air tank 16 and the air outlet pipe 17, a blocking piece 20 is slidably connected in the middle of the connecting pipe 18, the blocking piece 20 is in a flat arrangement, an overhanging strip 21 is fixedly installed on one side of the blocking piece 20, the overhanging strip 21 is made of elastic material, a carrying ball 22 is fixedly installed on the end portion of the overhanging strip 21, a plurality of bumps are fixedly installed on the outer side of the carrying ball 22, the carrying ball 22 is located on one side of the suction cup 3, and when the vehicle collides with the guardrail body 2, the carrying ball 22 is extruded and drives the carrying ball 22 to move outwards under the subsequent friction effect, so that the blocking piece 20 is pulled away from the connecting pipe 18, the compressed air tank 16 ejects compressed air outwards, and through the arrangement, the triggering effect can be achieved without setting a complex electronic mechanical device.

As shown in fig. 4, the blocking piece 19 is fixedly mounted on the other side of the blocking piece 20, the blocking piece 19 includes two expansion pieces, the thickness of each expansion piece is half of that of the blocking piece 20, a hose is fixedly connected between the two expansion pieces, air is filled in the hose, when the carrying ball 22 is not subjected to higher pulling force during operation, the problem that the blocking piece 20 is pulled out easily can be effectively reduced by the two expansion pieces when the carrying ball 22 is not subjected to higher pulling force, the two expansion pieces can be mutually closed only when the pulling force is too large, the hose in the middle is extruded and crushed, the blocking piece 20 can be smoothly pulled out, and the problem of false triggering is reduced.

As shown in fig. 3, the inner side of the inflatable bag 6 is provided with a central tube 11, the central tube 11 is connected with the output end of the one-way valve 15, a plurality of elastic binding strips 12 are fixedly connected between the outer side of the central tube 11 and the inner wall of the inflatable bag 6, the end of the central tube 11 is arranged in an opening shape, and when in operation, the central tube 11 is matched with the arrangement of the central tube, so that the inflatable bag 6 positioned at the outermost side of the guardrail body 2 can be filled and expanded by air filled into the inflatable bag 6, and the arrangement can reduce the problem that the inner side is firstly expanded to slow the air to ensure that the moving friction force between the inflatable bag 6 and the guardrail body 2 is lower and the buffering effect cannot be achieved, and the arrangement of the binding strips 12 can pull the shape of the inflatable bag 6, so that the problem that the expansion is too wide and the guardrail body 2 cannot be pulled out is solved.

Examples

As shown in fig. 5, in comparative example one, another embodiment of the present invention is: the flabellum of fan 14 is sectional type setting, fixedly connected with annular ring between two sections flabellums, ring and centre tank 9 slip laminating are connected, and during operation, the form setting of cooperation fan 14 for the middle part and the edge in centre tank 9 mutually independent, let the air in the compressed air bottle 16 can not flow into centre tank 9 middle part, but can the rotation of full force promotion fan 14, further improved the negative pressure that fan 14 provided sucking disc 3, let sucking disc 3 can be stable grasp the vehicle outside, guarantee its warning and buffering effect.

During operation, the three bulges on the outer side of the guardrail body 2 are matched with the cavity in the center of the guardrail body 2, so that deformation can be generated to absorb momentum when the guardrail body 2 is impacted, the extension strip 4 is arranged, in the process of installing the guardrail, the extension strip 4 is inserted into the inner side of the adjacent guardrail body 2, and the extension strip 4 is fixed on the inner side of the guardrail body 2 by using bolts from the outer side; when the automobile runs out of control and collides with the guardrail body 2, the over-long sliding can be carried out along the guardrail body 2 due to the fact that the momentum is high, the plurality of suckers 3 are adsorbed when contacting iron sheets outside the automobile body due to the fact that the suckers 3 and the magnet strips 10 are arranged, when the automobile leaves, the automobile is separated, but partial kinetic energy can be offset, through the arrangement, the kinetic energy of the partial running out of control automobile can be offset, the running distance of the automobile after running out of control is reduced, and the guardrail body 2 is integrated and is not easy to break due to the fact that the arrangement of the extension strips 4 is adopted, and the operation of the suckers 3 can be assisted; when the automobile safety protection device works, the arrangement of the inflatable bags 6 is matched, when the sucker 3 is away from an automobile because the magnet strips 10 are adsorbed by the automobile, the inflatable bags 6 are driven to be pulled outwards along with the distance between the automobile, the pulling force is provided by the sliding friction force between the inflatable bags 6 and the guardrail body 2, at the moment, the suction force of the magnet strips 10 is stronger, so that when the automobile is away from the automobile, the two inflatable bags 6 can be pulled outwards, the buffer effect can be provided by the friction force in the pulling process, the inflatable bags 6 can be attached to the outer side of the automobile after all the inflatable bags are pulled out, and when more inflatable bags 6 exist on the outer side of the automobile, the buffer can be provided for the edge of the outer side of the automobile, and other damage to the automobile is reduced; when the automobile accident happens, if the automobile accident is serious, a driver is easy to cause that the automobile accident cannot get off the automobile and set warning equipment, at the moment, the handheld signal bullet 7 is matched, after the inflatable bag 6 is pulled out, the lead wire 8 is separated from the handheld signal bullet 7, so that the handheld signal bullet 7 generates bright and continuous red light, the automobile can be effectively reminded of accidents at the place no matter in the night or in the natural environment with blocked sight, and part of the inflatable bag 6 is not completely pulled out due to certain randomness of the pulling-out of the inflatable bag 6, and therefore, the bright place of the handheld signal bullet 7 comprises an automobile body, the original guardrail body 2 impact place and the automobile stop place, so that the accident of the subsequent automobile can be comprehensively reminded; when the vehicle collides with the guardrail body 2, the driving assembly is started to drive the fan 14 to rotate, negative pressure is generated on the inner side of the sucker 3, the sucker 3 cannot fold under the action of suction force due to the fact that the hard magnet strip 10 is arranged on the outermost side of the sucker 3, the fan 14 is wrapped and protected in the connecting block 13, the problem that the fan 14 cannot rotate after being impacted can be reduced, the inflatable bag 6 can be rapidly expanded along with the generation of the negative pressure, the inflatable bag 6 is not required to be in an expanded state all the time, the problem that the inflatable bag 6 fails due to leakage of gas caused by long-term storage is reduced, meanwhile, the negative pressure generated along with the rotation of the fan 14 can be transmitted to the sucker 3, under the double actions of suction force of the sucker 3 and suction force of the magnet strip 10, the effect that the sucker 3 can tightly grasp an automobile is further ensured, and the protective pad 5 is matched, the inflatable bag 6 can be wrapped on the inner side, the influence of the outside on the inflatable bag 6 is reduced, and the protective pad 5 can be expanded when the inflatable bag 6 is filled with air, and the inflatable bag 6 can be normally used; when the device works, when an impact occurs, the trigger component is started, the compressed air bottle 16 is opened, air in the compressed air bottle 16 is injected to the most edge of the central groove 9, and because the central groove 9 is in a form of wide center and narrow edge, the air flowing at the edge can circulate in an annular shape and cannot flow to the middle part, so that the fan 14 is pushed by air flow to rotate rapidly, meanwhile, the fan 14 rotating at the middle part can generate negative pressure on the sucker 3, then the air flow flowing to the top end can be input into the inflatable bag 6 through the bent pipe and the one-way valve 15, the inflatable bag 6 can be guaranteed to expand rapidly, the one-way valve 15 can also enable the air flow blown off to flow back, and through the arrangement, the effects of sucking disc 3 adsorption, filling of the inflatable bag 6 and rotation of the fan 14 can be realized without setting an electronic machine, and the fault rate is reduced; when the vehicle collides with the guardrail body 2, the carrying ball 22 is extruded and drives the carrying ball 22 to move outwards under the subsequent friction effect, so that the blocking piece 20 is pulled away from the connecting pipe 18, the compressed air bottle 16 ejects compressed air outwards, and by the arrangement, the triggering effect can be realized without a complex electromechanical device; when the portable ball 22 is not subjected to higher pulling force in operation, the problem that the barrier sheet 20 is easily pulled out can be effectively reduced by the two expanded sheets, the two expanded sheets are mutually closed only when the pulling force is too large, the middle hose is extruded and crushed, the barrier sheet 20 can be smoothly pulled out, and the problem of false triggering is reduced; during operation, the setting of cooperation center tube 11 for the air of filling to balloon 6 can be earlier along center tube 11 will be located the balloon 6 filling expansion of the department of guardrail body 2 outermost, and this kind of setting can reduce earlier lets inboard inflation, leads to the air to go out slowly, makes and moves the frictional force lower between balloon 6 and the guardrail body 2, can't play the problem of cushioning effect, and the setting of constraint strip 12 can pull the form of constraint balloon 6, reduces the too wide of inflation, and can't be pulled out the problem of guardrail body 2.

The front, rear, left, right, up and down are all based on fig. 1 in the drawings of the specification, the face of the device facing the observer is defined as front, the left side of the observer is defined as left, and so on, according to the viewing angle of the person.

In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a highway crash barrier which characterized in that: the novel guardrail comprises a support column (1), wherein a guardrail body (2) is fixedly arranged on the outer side of the support column (1) near the top end, the guardrail body (2) comprises two arc-shaped plates which are arranged in parallel, three bulges are arranged on the outer side of each arc-shaped plate, two extension strips (4) are symmetrically arranged on the inner side of one arc-shaped plate, and the extension strips (4) are fixedly connected with the adjacent guardrail body (2) through bolts;

a plurality of suckers (3) are arranged on one side, far away from the support column (1), of the guardrail body (2), the suckers (3) are arranged in a hemispherical shape, the suckers (3) are arranged in an equidistant mode, and magnet strips (10) are fixedly arranged on the inner side of each sucker (3) close to the edge;

two inflatable bags (6) are connected to one side, close to the support column (1), of the sucker (3), the inflatable bags (6) are made of flexible materials, scratch-resistant layers are wrapped on the outer sides of the inflatable bags (6), and the end parts of the inflatable bags (6) are located on the outer sides of the guardrail body (2);

when the sucking disc (3) is adsorbed with the automobile because of the magnet strip (10), along with the distance of the automobile, the inflatable bags (6) are driven to be pulled outwards, the pulling force is provided by the sliding friction force between the inflatable bags (6) and the guardrail body (2), and when the automobile is far away, the two inflatable bags (6) are pulled outwards.

2. A highway crash barrier according to claim 1 wherein: the end part of the inflatable bag (6) is fixedly provided with a handheld signal bullet (7), the handheld signal bullet (7) comprises a signal bullet body and a lead wire (8), the lead wire (8) is used for triggering the signal bullet body to emit light, and the end part of the lead wire (8) is fixedly connected with the outer side of the guardrail body (2).

3. A highway crash barrier according to claim 2 wherein: the middle part of sucking disc (3) is solid material, the middle part fixedly connected with connecting block (13) of sucking disc (3), connecting block (13) are located the inboard of guardrail body (2), centre tank (9) have been seted up at the middle part of connecting block (13), the middle part of sucking disc (3) is the setting of running through, the middle part and the centre tank (9) intercommunication of sucking disc (3), centre tank (9) are the narrow form in the outside in center, the inboard rotation of centre tank (9) is connected with fan (14), the one end and the two air bag (6) intercommunication of sucking disc (3) are kept away from in centre tank (9), one side of fan (14) is provided with drive assembly, drive assembly is used for driving fan (14) rotation, the outside fixed mounting of guardrail body (2) has a plurality of elastic protection pad (5), elastic protection pad (5) are located the outside of air bag (6).

4. A highway crash barrier according to claim 3 wherein: the driving assembly comprises a compressed air bottle (16), the compressed air bottle (16) is fixedly connected with a connecting block (13), the top end of the compressed air bottle (16) is connected with an air outlet pipe (17), the other end of the air outlet pipe (17) is in an arc-shaped arrangement, the other end of the air outlet pipe (17) is communicated with the most edge of a central groove (9), an elbow is fixedly connected between the top end of the central groove (9) and the input end of a one-way valve (15), and a triggering assembly is arranged on the outer side of the compressed air bottle (16) and used for triggering and opening the compressed air bottle (16).

5. The highway crash barrier of claim 4 wherein: the trigger assembly comprises a connecting pipe (18), the connecting pipe (18) is located between a compressed air bottle (16) and an air outlet pipe (17), a blocking sheet (20) is slidably connected to the middle of the connecting pipe (18), the blocking sheet (20) is arranged in a flat mode, an overhanging strip (21) is fixedly arranged on one side of the blocking sheet (20), the overhanging strip (21) is made of elastic materials, a carrying ball (22) is fixedly arranged at the end portion of the overhanging strip (21), a plurality of protruding blocks are fixedly arranged on the outer side of the carrying ball (22), and the carrying ball (22) is located on one side of a sucker (3).

6. The highway crash barrier of claim 5 wherein: the other side of the blocking piece (20) is fixedly provided with a blocking piece (19), the blocking piece (19) comprises two unfolding pieces, the thickness of each unfolding piece is half of that of the blocking piece (20), a hose is fixedly connected between the two unfolding pieces, and air is filled in the hose.

7. The highway crash barrier of claim 6 wherein: the inner side of the inflatable bag (6) is provided with a central tube (11), the central tube (11) is connected with the output end of the one-way valve (15), a plurality of elastic binding strips (12) are fixedly connected between the outer side of the central tube (11) and the inner wall of the inflatable bag (6), and the end part of the central tube (11) is in an opening shape.

8. The highway crash barrier of claim 7 wherein: the fan blades of the fan (14) are arranged in a sectional mode, an annular ring is fixedly connected between the two sections of fan blades, and the ring is in sliding fit connection with the central groove (9).