CN114517444A - Novel safety barrier structure for highway bridge - Google Patents
Novel safety barrier structure for highway bridge Download PDFInfo
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- CN114517444A CN114517444A CN202210182995.2A CN202210182995A CN114517444A CN 114517444 A CN114517444 A CN 114517444A CN 202210182995 A CN202210182995 A CN 202210182995A CN 114517444 A CN114517444 A CN 114517444A
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- Prior art keywords
- bag
- protection
- protective
- groove
- vehicle
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
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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
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0407—Metal rails
- E01F15/0438—Spacers between rails and posts, e.g. energy-absorbing means
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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
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0492—Provisions for guiding in combination with rails, e.g. tire-gutters
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention belongs to the technical field of guardrails, and particularly relates to a novel safety guardrail structure for a highway bridge, which comprises a base; a fixed seat is embedded at the top end of the base, a protection rod is arranged at the top end of the fixed seat, protection plates connected with the protection rod are arranged on two sides of the protection rod, a protection bag is arranged at the protection rod, and an inflating nozzle is arranged on the protection bag; the protective bag has a buffering effect on a collided vehicle after being expanded, can reduce the stress concentration of the guardrail, can rotate relative to the protective rod when being collided, can change the advancing direction of the vehicle to a certain degree, enables the vehicle to advance along the length direction of the guardrail, reduces the condition that the guardrail deforms seriously or is directly knocked over when the vehicle vertically exerts acting force on the guardrail, reduces the risk that the vehicle falls from a bridge, is convenient to replace and install when being damaged, and improves the practicability of the guardrail structure.
Description
Technical Field
The invention belongs to the technical field of guardrails, and particularly relates to a novel safety guardrail structure for a highway bridge.
Background
At present, the road construction all over the country is rapidly developed, and the number of motor vehicles is rapidly increased, so that the increase of traffic accidents is accompanied. Crash barriers are a very common road traffic safety device, and are widely used in dangerous areas, such as curves, exits, entrances of roads, highways with high speed and other places where safety hazards exist.
Because the guardrail structures for the bridge are arranged on the two sides of the bridge, when a vehicle impacts the bridge due to human factors, if impact force borne by the vehicle is not buffered, the risk that the vehicle bumps over the guardrail and falls from the bridge can occur.
Therefore, the invention provides a novel safety barrier structure for a highway bridge.
Disclosure of Invention
To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.
The technical scheme adopted by the invention for solving the technical problem is as follows: the novel safety barrier structure for the highway bridge comprises a base; the top end of the base is embedded with a fixed seat, the top end of the fixed seat is provided with a protection rod, two sides of the protection rod are provided with protection plates connected with the protection rod, a protection bag is arranged at the protection rod, an inflating nozzle is arranged on the protection bag, and the protection bag can be rolled into a ring shape and is sleeved on the side wall of the protection rod; because the guardrail structures for the bridge are arranged on the two sides of the bridge, when a vehicle impacts the bridge due to human factors, if impact force borne by the vehicle is not buffered, the risk that the vehicle overturns the guardrail and falls from the bridge can occur; when the protective bag is installed, the protective bag is rolled on the protective rod, the protective bag forms a ring shape through the connecting component, then the protective bag is inflated through the inflating nozzle, so that the protective bag can play a role of buffering the impacted vehicle after being inflated, meanwhile, after the vehicle impacts the protective bag, the contact action area of the protective bag and the vehicle can be increased after the protective bag is expanded, the stress concentration of the guardrail is reduced, and meanwhile, the protective bag can rotate relative to the protective rod when being impacted, thereby changing the advancing direction of the vehicle to a certain extent, leading the vehicle to advance along the length direction of the guardrail, thereby reducing the situation that the guardrail deforms seriously or is directly knocked over when the vehicle vertically applies acting force to the guardrail, reducing the risk that the vehicle falls from the bridge, meanwhile, the protective bag is convenient to replace and install when damaged, and the practicability of the guardrail structure is improved.
Preferably, a plurality of bearings are axially arranged on the side wall of the guard rod; through at fender rod lateral wall installation bearing for the protection bag can rotate for the fender rod through bearing pivoted mode when receiving the striking, through reducing between protection bag and the fender rod because of the extrusion force is too big, leads to being difficult to the pivoted condition between protection bag and the fender rod, has improved the effect that the vehicle deflected behind the striking protection bag.
Preferably, two adjacent protective bags are connected through an air pipe, an air one-way circulation assembly is arranged on the air pipe, and a pressure sensor is arranged in each protective bag; gaseous one-way circulation subassembly can be the check valve, when the extrusion that the protection bag received is too big, atmospheric pressure in this protection bag can push away gaseous one-way circulation subassembly, make during its inside some gas flow in adjacent protection bag, effectual reduction protection bag is the cracked condition when the extrusion that receives is too big, the pressure sensors who sets up simultaneously can monitor the quantity of gas in the protection bag, make the protection bag when taking place to lose heart or break because of the vehicle striking, the staff can be according to pressure sensors's position, the protection bag that breaks down is appeared in quick definite, thereby can carry out timely change to the protection bag, or the more quick scene of an accident that comes to.
Preferably, the gas one-way circulation assembly comprises a sliding sleeve arranged on an air pipe, a sliding plate is connected inside the sliding sleeve in a sliding manner, a spring is connected between the sliding plate and the end part of the sliding sleeve, a conduction groove communicated with the air pipe is formed in the side wall of the sliding sleeve corresponding to two sides of the sliding plate, a communication groove staggered with the conduction groove is formed in the sliding plate, the bottom end of the side wall of the outer ring of the bearing is connected with a pressing block through a connecting rod, a rotating ring in sliding fit with the pressing block is fixedly connected to the side wall of the protection rod, a pressing bag is arranged inside the rotating ring, and the pressing bag is communicated with the end part of the sliding sleeve through a guide pipe; when the protection bag is impacted by a vehicle and drives the bearing outer ring to rotate, the rotating shaft outer ring can drive the pressing block to rotate in the rotating ring, the pressing bag in the rotating ring is extruded, the gas in the pressing bag is pressed into the sliding sleeve through the guide pipe, the sliding plate slides under the action of the air pressure in the sliding sleeve and drives the conduction groove to be communicated with the air pipe, so that the gas in the protection bag which is excessively extruded can be distributed to the adjacent protection bags, meanwhile, because the gas one-way circulation assembly works, the one-way circulation assembly depends on violent impact of the protection bags, when one of the protection bags leaks gas or is accidentally broken, the gas one-way circulation assembly is always in a closed state, and the condition that the gas in the protection bags connected with the gas one-way circulation assembly synchronously leaks is reduced.
Preferably, the pressing bags are arranged into a plurality of groups and are annularly and uniformly arranged on the inner wall of the rotating ring, and the number of the pressing blocks is the same as the distribution form of the pressing bags; through the installation form that sets up the pressure bag, reduce the setting of pressure bag and to the interference that the motion of briquetting in the swivel produced, the briquetting also can intermittent type nature when rotating extrudees the pressure bag simultaneously for gaseous one-way circulation subassembly is opening of intermittent type formula, and the confession by the gas flow in the extruded protection bag in the adjacent protection bag, has improved the pressure release effect of protection bag.
Preferably, the protective bag is provided with fluorescent liquid and is made of transparent film materials; luminous fluorescent liquid can be shone through setting up in the protection bag for the protection bag can play the effect of suggestion when night, reduces the vehicle and strikes to the protection bag on, when the protection bag received the striking of vehicle damaged simultaneously, fluorescent liquid can flow to subaerial, can play suggestion and warning effect to the vehicle of coming and going, reduces the collision of vehicle of coming and going with accident vehicle.
Preferably, one surface of the protection plate, which is close to the protection rod, is connected with a fixing column, a sliding groove is formed in the position, corresponding to the protection bag, of the side wall of the protection rod, the other end of the sliding groove extends to the position, corresponding to the fixing column, of the protection rod, a piston is connected to the end, close to the protection bag, of the sliding groove in a sliding mode, an elastic body is connected between the piston and the inner wall of the sliding groove, a clamping block is connected to the other end of the sliding groove in a sliding mode, and a clamping groove is formed in the position, corresponding to the clamping block, of the fixing column; when the installation protective rod, at first alternate the protective rod on the fixing base, install the protection bag back on the protective rod, because the piston under initial condition stretches out to the protective rod outer end under the effect of elastomer, carrying out gas filled in-process to the protection bag, the protection bag of tympanites can extrude the piston to make the piston drive the fixture block card to go into in the draw-in groove after extruding the gas in the spout, thereby accomplish the convenient installation of protective rod and guard plate, the dismantlement of the protective rod of also being convenient for simultaneously is changed.
Preferably, the width of the clamping groove is larger than that of the clamping block, a sliding cavity is formed in the side wall of the clamping block, a limiting block is connected inside the sliding cavity in a sliding mode, an elastic block is connected between the limiting block and the inner end of the sliding cavity, and a dismounting groove communicated with the clamping groove is formed in the top end of the fixing column; inside back when the fixture block tip inserts the draw-in groove, the fixture block drives stopper simultaneous movement to the draw-in groove, the stopper stretches out to the draw-in groove under the effect of elastic block afterwards to can carry out spacing lock to the position of fixture block and die, reduce the gaseous back of revealing that takes place in the protective bag, lead to the insecure condition of protective rod installation, when needs dismantle the protective rod, only need press the stopper into the sliding cavity through the groove of dismantling, will protect the bag afterwards and bleed, can carry out convenient dismantlement to the protective rod.
Preferably, a spherical groove is formed in the disassembling groove, and an elastic spherical block is filled in the spherical groove in an interference manner; the spherical block can carry out the shutoff to dismantling the groove, reduces during rainwater impurity flows into the draw-in groove, also reduces simultaneously the lawless persons through dismantling the condition that the groove steals the guard bar, when the protection bag received fierce striking, the piston can promote the fixture block to move in the draw-in groove through the gas in the extrusion spout for behind the atmospheric pressure increase in the draw-in groove, ejecting spherical block from spherical groove, thereby be convenient for follow-up staff to the change of guard bar.
Preferably, a protruding part is arranged on the side wall of the outer ring of the bearing, the end part of the protruding part faces the advancing direction of road vehicles, and a push plate is connected to the inner wall of the protective bag corresponding to one side of the protruding part; when the vehicle collided the protective bag, the vehicle head can be through striking the push pedal for the effort is exerted to the bulge to the push pedal, thereby makes the bearing can more effective rotation, promotes the vehicle and takes place to deflect behind the striking protective bag, thereby reduces the risk that the vehicle crashed from the bridge.
The invention has the following beneficial effects:
1. the protection bag has a buffering effect on an impacted vehicle after swelling, and simultaneously can increase the contact action area of the protection bag and the vehicle after the vehicle impacts the protection bag, reduce the stress concentration of the guardrail, and simultaneously can rotate relative to the protection rod when being impacted, so that the advancing direction of the vehicle can be changed to a certain degree, the vehicle can advance along the length direction of the guardrail, the condition that the guardrail is seriously deformed or directly overturned when the vehicle vertically applies acting force to the guardrail is reduced, the risk that the vehicle falls from a bridge is reduced, the protection bag is convenient to replace and install when being damaged, and the practicability of the guardrail structure is improved.
2. According to the invention, the bearings are arranged on the side walls of the protective rods, so that the protective bags can rotate relative to the protective rods in a bearing rotating mode when being impacted, and the situation that the protective bags and the protective rods are difficult to rotate due to overlarge extrusion force between the protective bags and the protective rods is reduced, thereby improving the effect of vehicle deflection after impacting the protective bags.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is an enlarged view at B in FIG. 1;
FIG. 4 is a schematic view of the interior of the swivel in accordance with the present invention;
FIG. 5 is a schematic view of the structure inside the protection bar and the fixing post of the present invention;
FIG. 6 is an enlarged view at C in FIG. 5;
FIG. 7 is a schematic view of the structure of the second embodiment of the protection bag;
in the figure: the device comprises a base 1, a fixed seat 2, a protective rod 3, a protective plate 4, a protective bag 5, an inflating nozzle 6, a bearing 7, an air pipe 8, a pressure sensor 9, a sliding sleeve 10, a sliding plate 11, a communicating groove 12, a pressing block 13, a rotating ring 14, a pressing bag 15, a guide pipe 16, fluorescent liquid 17, a fixed column 18, a sliding groove 19, a piston 20, an elastic body 21, a clamping block 22, a clamping groove 23, a limiting block 24, an elastic block 25, a disassembling groove 26, a spherical block 27, a protruding part 28 and a pushing plate 29.
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. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to be exhaustive or exhaustive. 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.
The first embodiment is as follows:
referring to fig. 1 to 4, a novel safety barrier structure for a highway bridge according to an embodiment of the present invention includes a base 1; a fixed seat 2 is embedded and installed at the top end of the base 1, a protection rod 3 is installed at the top end of the fixed seat 2, protection plates 4 connected with the protection rod 3 are arranged on two sides of the protection rod 3, a protection bag 5 is arranged at the protection rod 3, an inflating nozzle 6 is installed on the protection bag 5, and the protection bag 5 can be rolled into a ring shape and is sleeved on the side wall of the protection rod 3; because the guardrail structures for the bridge are arranged on the two sides of the bridge, when a vehicle impacts the bridge due to human factors, if impact force borne by the vehicle is not buffered, the risk that the vehicle overturns the guardrail and falls from the bridge can occur; when the protective bag 5 is installed, the protective bag 5 is wound on the protective rod 3, the protective bag 5 is formed into a ring shape through the connecting assembly, then the inflation nozzle 6 is used for inflating the protective bag 5, so that the protective bag 5 can buffer a collided vehicle after being inflated, meanwhile, after the vehicle collides the protective bag 5, the contact action area of the protective bag 5 and the vehicle can be increased after the protective bag 5 is inflated, the stress concentration of the guardrail is reduced, meanwhile, the protective bag 5 can rotate relative to the protective rod 3 when being collided, the advancing direction of the vehicle can be changed to a certain degree, the vehicle can advance along the length direction of the guardrail, the condition that the guardrail is seriously deformed or directly overturned when the vehicle vertically applies acting force to the guardrail is reduced, the risk that the vehicle falls from a bridge is reduced, and the protective bag 5 is convenient to replace and install when being damaged, the practicality of guardrail structure has been improved.
A plurality of bearings 7 are axially arranged on the side wall of the protection rod 3; through at fender rod 3 side wall mounting bearing 7 for the protection bag 5 can rotate for fender rod 3 through bearing 7 pivoted mode when receiving the striking, through reducing between protection bag 5 and the fender rod 3 because of the extrusion force is too big, leads to being difficult to the pivoted condition between protection bag 5 and the fender rod 3, has improved the effect that the vehicle deflected behind striking protection bag 5.
The two adjacent protective bags 5 are connected through an air pipe 8, an air one-way circulation assembly is arranged on the air pipe 8, and a pressure sensor 9 is arranged in each protective bag 5; gaseous one-way circulation subassembly can be the check valve, when the extrusion that protective bag 5 received is too big, atmospheric pressure in this protective bag 5 can be opened gaseous one-way circulation subassembly top, make during its inside some gas inflow adjacent protective bag 5, effectual reduction protective bag 5 is the too big condition of breaking when the extrusion that receives, the baroceptor 9 that sets up simultaneously can monitor the gas quantity in protective bag 5, make protective bag 5 when taking place to lose heart or break because of the vehicle striking, the staff can be according to the position of baroceptor 9, the protective bag 5 that breaks down is appeared in quick definite, thereby can carry out timely change to protective bag 5, or more quick arrive at the scene of an accident.
The gas one-way circulation assembly comprises a sliding sleeve 10 arranged on an air pipe 8, a sliding plate 11 is connected inside the sliding sleeve 10 in a sliding manner, a spring is connected between the sliding plate 11 and the end part of the sliding sleeve 10, a conduction groove communicated with the air pipe 8 is formed in the side wall of the sliding sleeve 10 corresponding to the two sides of the sliding plate 11, a communication groove 12 staggered with the conduction groove is formed in the sliding plate 11, the bottom end of the outer ring side wall of the bearing 7 is connected with a pressing block 13 through a connecting rod, a rotating ring 14 in sliding fit with the pressing block 13 is fixedly connected to the side wall of the protection rod 3, a pressing bag 15 is arranged inside the rotating ring 14, and the pressing bag 15 is communicated with the end part of the sliding sleeve 10 through a guide pipe 16; when the protective bags 5 are impacted by a vehicle and drive the outer ring of the bearing 7 to rotate, the outer ring of the rotating shaft can drive the pressing block 13 to rotate in the rotating ring 14, the pressing bag 15 in the rotating ring 14 is extruded, the gas in the protective bags is pressed into the sliding sleeve 10 through the guide pipe 16, the sliding plate 11 slides under the action of the air pressure in the sliding sleeve 10, and the conducting groove is driven to be communicated with the air pipe 8, so that the gas in the protective bags 5 which are excessively extruded can be distributed to the adjacent protective bags 5, and meanwhile, due to the work of the gas one-way circulation assembly, the gas one-way circulation assembly is always in a closed state depending on the violent impact of the protective bags 5 when one protective bag 5 leaks or is accidentally broken, and the situation that the gas in the protective bag 5 connected with the gas one-way circulation assembly also leaks synchronously is reduced.
The pressing bags 15 are arranged into a plurality of groups and are annularly and uniformly arranged on the inner wall of the rotating ring 14, and the number of the pressing blocks 13 is the same as the distribution form of the pressing bags 15; through the installation form that sets up pressure bag 15, reduce the interference that the setting of pressure bag 15 produced the motion of briquetting 13 in swivel 14, briquetting 13 also can intermittent type nature when rotating extrudees pressure bag 15 simultaneously for the one-way subassembly that circulates of gas is opening of intermittent type formula, and supply by the gas flow in the adjacent protection bag 5 in the extruded protection bag 5, has improved the pressure release effect of protection bag 5.
The protective bag 5 is internally provided with fluorescent liquid 17, and the protective bag 5 is made of transparent film materials; through setting up luminous fluorescent liquid 17 in protective bag 5 for protective bag 5 can play the effect of suggestion when night, reduces the vehicle and strikes to protective bag 5 on, when protective bag 5 received the striking damage of vehicle simultaneously, fluorescent liquid 17 can flow to subaerial, can play suggestion and warning effect to the vehicle of coming and going, reduces the collision of vehicle of coming and going with accident vehicle.
As shown in fig. 5-6, one side of the protection plate 4 close to the protection rod 3 is connected with a fixing column 18, a sliding groove 19 is formed in a position of the side wall of the protection rod 3 corresponding to the protection bag 5, the other end of the sliding groove 19 extends to a position of the protection rod 3 corresponding to the fixing column 18, a piston 20 is slidably connected to the end portion of the sliding groove 19 close to the protection bag 5, an elastic body 21 is connected between the piston 20 and the inner wall of the sliding groove 19, a clamping block 22 is slidably connected to the other end of the sliding groove 19, and a clamping groove 23 is formed in a position of the fixing column 18 corresponding to the clamping block 22; when installation protective rod 3, at first alternate protective rod 3 on fixing base 2, install back on protective rod 3 with protective bag 5, because piston 20 under initial condition stretches out to protective rod 3 outer end under the effect of elastomer 21, carrying out gas filled in-process to protective bag 5, the protective bag 5 of tympanites can extrude piston 20, and make piston 20 drive fixture block 22 card income draw-in groove 23 after extrudeing the gas in spout 19, thereby accomplish the convenient installation of protective rod 3 and protective plate 4, the dismantlement of the protective rod 3 of also being convenient for simultaneously is changed.
The width of the clamping groove 23 is larger than that of the clamping block 22, a sliding cavity is formed in the side wall of the clamping block 22, a limiting block 24 is connected to the inside of the sliding cavity in a sliding mode, an elastic block 25 is connected between the limiting block 24 and the inner end of the sliding cavity, and a dismounting groove 26 communicated with the clamping groove 23 is formed in the top end of the fixing column 18; insert draw-in groove 23 inside back when fixture block 22 tip, fixture block 22 drives stopper 24 synchronous motion to draw-in groove 23 in, stopper 24 stretches out to draw-in groove 23 under the effect of elastic block 25 afterwards, and can carry out spacing lock to the position of fixture block 22 and die, reduce the gaseous back of revealing that takes place in the protective bag 5, lead to the insecure condition of protective rod 3 installation, when needs are dismantled protective rod 3, only need through dismantling groove 26 with stopper 24 in the sliding chamber of pressing, deflate protective bag 5 afterwards, can carry out convenient dismantlement to protective rod 3.
A spherical groove is formed in the disassembling groove 26, and an elastic spherical block 27 is filled in the spherical groove in an interference manner; spherical block 27 can block the detaching groove 26, rainwater impurities are prevented from flowing into the clamping groove 23, the condition that lawless persons steal the protection rod 3 through the detaching groove 26 is reduced, when the protection bag 5 is violently impacted, the piston 20 can push gas in the sliding groove 19 to promote the fixture block 22 to move into the clamping groove 23, the spherical block 27 is ejected out of the spherical groove after the air pressure in the clamping groove 23 is increased, and therefore replacement of the protection rod 3 by follow-up workers is facilitated.
The second embodiment:
as shown in fig. 7, a first comparative example, in which another embodiment of the present invention is: a convex part 28 is arranged on the outer ring side wall of the bearing 7, the end part of the convex part 28 faces the advancing direction of road vehicles, and a push plate 29 is connected on the inner wall of the protective bag 5 corresponding to one side of the convex part 28; when the vehicle strikes the protective bag 5, the head of the vehicle can strike the push plate 29, so that the push plate 29 applies an acting force to the protruding part 28, the bearing 7 can rotate more effectively, deflection of the vehicle after the vehicle strikes the protective bag 5 is promoted, and the risk of the vehicle crashing from a bridge is reduced.
The working principle is as follows: when the protective bag 5 is installed, the protective bag 5 is wound on the protective rod 3, the protective bag 5 is formed into a ring shape through the connecting assembly, then the protective bag 5 is inflated into the protective bag 5 through the inflating nozzle 6, so that the protective bag 5 can buffer a collided vehicle after being inflated, meanwhile, after the vehicle collides the protective bag 5, the contact action area of the protective bag 5 and the vehicle can be increased after the protective bag 5 is inflated, the stress concentration of a guardrail is reduced, meanwhile, the protective bag 5 can rotate relative to the protective rod 3 when being collided, the advancing direction of the vehicle can be changed to a certain degree, the vehicle can advance along the length direction of the guardrail, the condition that the guardrail is seriously deformed or directly knocked over when the vehicle vertically applies acting force to the guardrail is reduced, the risk of the vehicle from a bridge is reduced, and meanwhile, the protective bag 5 is convenient to replace and install when damaged, the practicability of the guardrail structure is improved; the bearing 7 is arranged on the side wall of the protective rod 3, so that the protective bag 5 can rotate relative to the protective rod 3 in a rotating mode through the bearing 7 when being impacted, and the effect of deflection of a vehicle after impacting the protective bag 5 is improved by reducing the situation that the protective bag 5 and the protective rod 3 are difficult to rotate due to overlarge extrusion force between the protective bag 5 and the protective rod 3; the gas one-way circulation component can be a one-way valve, when the protection bag 5 is extruded too much, the gas pressure in the protection bag 5 can push the gas one-way circulation component open, so that part of gas in the protection bag 5 flows into the adjacent protection bag 5, the situation that the protection bag 5 is broken when being extruded too much is effectively reduced, and meanwhile, the arranged pressure sensor 9 can monitor the gas quantity in the protection bag 5, so that when the protection bag 5 is deflated or broken due to vehicle collision, a worker can quickly determine the protection bag 5 with a fault according to the position of the pressure sensor 9, and the protection bag 5 can be replaced in time or can be rapidly driven to an accident site; when the protective bags 5 are impacted by a vehicle and drive the outer ring of the bearing 7 to rotate, the outer ring of the rotating shaft can drive the pressing block 13 to rotate in the rotating ring 14, the pressing bag 15 in the rotating ring 14 is extruded, the gas in the protective bags is pressed into the sliding sleeve 10 through the guide pipe 16, the sliding plate 11 slides under the action of the air pressure in the sliding sleeve 10 and drives the conduction groove to be communicated with the air pipe 8, so that the gas in the excessively extruded protective bags 5 can be distributed to the adjacent protective bags 5, and meanwhile, due to the work of the gas one-way circulation assembly, the gas one-way circulation assembly is always in a closed state when one of the protective bags 5 is deflated or accidentally broken, so that the situation that the gas in the protective bags 5 connected with the gas one-way circulation assembly is synchronously leaked is reduced; by arranging the installation form of the pressing bag 15, the interference of the pressing bag 15 on the movement of the pressing block 13 in the rotary ring 14 is reduced, and meanwhile, the pressing block 13 can intermittently extrude the pressing bag 15 when rotating, so that the gas one-way circulation assembly is intermittently opened, the gas in the extruded protective bag 5 flows into the adjacent protective bag 5, and the pressure relief effect of the protective bag 5 is improved; the protective bag 5 is internally provided with the fluorescent liquid 17 capable of emitting light, so that the protective bag 5 can play a role in prompting at night, the collision of vehicles to the protective bag 5 is reduced, and meanwhile, when the protective bag 5 is damaged due to the collision of the vehicles, the fluorescent liquid 17 can flow out to the ground, so that the effects of prompting and warning of coming and going vehicles can be realized, and the collision of the coming and going vehicles and accident vehicles is reduced; when the protection rod 3 is installed, firstly, the protection rod 3 is inserted into the fixed seat 2, after the protection bag 5 is installed on the protection rod 3, because the piston 20 in the initial state extends out to the outer end of the protection rod 3 under the action of the elastic body 21, in the process of inflating the protection bag 5, the expanded protection bag 5 can extrude the piston 20, and the piston 20 extrudes the gas in the sliding groove 19 and then drives the clamping block 22 to be clamped into the clamping groove 23, so that the convenient installation of the protection rod 3 and the protection plate 4 is completed, and meanwhile, the protection rod 3 is convenient to disassemble and replace; when the end part of the clamping block 22 is inserted into the clamping groove 23, the clamping block 22 drives the limiting block 24 to synchronously move into the clamping groove 23, then the limiting block 24 extends into the clamping groove 23 under the action of the elastic block 25 and can limit and lock the position of the clamping block 22, so that the situation that the protective rod 3 is not firmly installed after gas in the protective bag 5 leaks is reduced, when the protective rod 3 needs to be disassembled, the limiting block 24 is pressed into the sliding cavity only through the disassembling groove 26, then the protective bag 5 is deflated, and the protective rod 3 can be conveniently disassembled; the spherical block 27 can plug the detaching groove 26, rainwater impurities are prevented from flowing into the clamping groove 23, meanwhile, the situation that lawless persons steal the protective rod 3 through the detaching groove 26 is also reduced, when the protective bag 5 is violently impacted, the piston 20 can push the gas in the sliding groove 19 to promote the fixture block 22 to move into the clamping groove 23, the spherical block 27 is ejected out of the spherical groove after the air pressure in the clamping groove 23 is increased, and therefore, the protective rod 3 can be conveniently replaced by follow-up workers; when the vehicle strikes the protective bag 5, the head of the vehicle can strike the push plate 29, so that the push plate 29 applies an acting force to the protruding part 28, the bearing 7 can rotate more effectively, deflection of the vehicle after the vehicle strikes the protective bag 5 is promoted, and the risk of the vehicle crashing from a bridge is reduced.
The foregoing shows and describes the general 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, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The novel safety barrier structure for the highway bridge comprises a base (1); the method is characterized in that: base (1) top is inlayed and is installed fixing base (2), fender rod (3) are installed on fixing base (2) top, fender rod (3) both sides are equipped with guard plate (4) that link to each other with it, fender rod (3) department is equipped with protection bag (5), install charging connector (6) on protection bag (5), the cover that can roll up into the annular form in protection bag (5) is established on fender rod (3) lateral wall.
2. The novel safety barrier structure for road and bridge according to claim 1, wherein: and a plurality of bearings (7) are arranged on the side wall of the guard rod (3) along the axial direction of the guard rod.
3. The novel safety barrier structure for road and bridge of claim 2, wherein: two adjacent protection bags (5) are connected through an air pipe (8), an air one-way circulation assembly is arranged on the air pipe (8), and a pressure sensor (9) is arranged inside each protection bag (5).
4. The novel safety barrier structure for road and bridge according to claim 3, wherein: gaseous one-way circulation subassembly is including installing sliding sleeve (10) on trachea (8), sliding sleeve (10) inside sliding connection has slide (11), be connected with the spring between slide (11) and sliding sleeve (10) tip, set up the groove of conducting that is linked together with trachea (8) on sliding sleeve (10) lateral wall that slide (11) both sides correspond, set up on slide (11) and conduct groove looks dislocation's intercommunication groove (12), the outer loop lateral wall bottom of bearing (7) is connected with briquetting (13) through the connecting rod, link firmly on guard bar (3) lateral wall with briquetting (13) sliding fit's change (14), change (14) inside pressure bag (15) that is equipped with, be linked together through pipe (16) between the tip of pressure bag (15) and sliding sleeve (10).
5. The novel safety barrier structure for road and bridge according to claim 4, wherein: the pressing bags (15) are arranged into a plurality of groups and are annularly and uniformly arranged on the inner wall of the rotating ring (14), and the number of the pressing blocks (13) is the same as the distribution form of the pressing bags (15).
6. The novel safety barrier structure for road and bridge of claim 1, wherein: fluorescent liquid (17) is arranged in the protective bag (5), and the protective bag (5) is made of transparent film materials.
7. The novel safety barrier structure for road and bridge of claim 1, wherein: the utility model discloses a safety protection device for a vehicle, including protection plate (4), protection plate (3), spout (19), elastomer (21), other end sliding connection have a fixture block (22), protection plate (4) one side that is close to protection plate (3) is connected with fixed column (18), spout (3) and the corresponding lateral wall position department of protection bag (5) have been seted up spout (19), the other end of spout (19) extends to protection plate (3) and fixed column (18) corresponding position department, the tip sliding connection that spout (19) are close to protection bag (5) has piston (20), be connected with elastomer (21) between piston (20) and spout (19) inner wall, the other end sliding connection of spout (19) has fixture block (22), fixed column (18) and fixture block (22) corresponding position department have seted up draw-in groove (23).
8. The novel safety barrier structure for road and bridge of claim 7, wherein: the width of draw-in groove (23) is greater than the width of fixture block (22), smooth chamber has been seted up on the lateral wall of fixture block (22), the inside sliding connection in smooth chamber has stopper (24), be connected with between stopper (24) and the smooth chamber inner elastic block (25), the groove of dismantling (26) of intercommunication draw-in groove (23) are seted up on fixed column (18) top.
9. The novel safety barrier structure for road and bridge of claim 8, wherein: a spherical groove is formed in the disassembling groove (26), and an elastic spherical block (27) is filled in the spherical groove in an interference manner.
10. The novel safety barrier structure for road and bridge according to claim 2, wherein: the side wall of the outer ring of the bearing (7) is provided with a protruding part (28), the end part of the protruding part (28) faces the advancing direction of a road vehicle, and the inner wall of the protective bag (5) corresponding to one side of the protruding part (28) is connected with a push plate (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210182995.2A CN114517444A (en) | 2022-02-27 | 2022-02-27 | Novel safety barrier structure for highway bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210182995.2A CN114517444A (en) | 2022-02-27 | 2022-02-27 | Novel safety barrier structure for highway bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114517444A true CN114517444A (en) | 2022-05-20 |
Family
ID=81598451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210182995.2A Withdrawn CN114517444A (en) | 2022-02-27 | 2022-02-27 | Novel safety barrier structure for highway bridge |
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| Country | Link |
|---|---|
| CN (1) | CN114517444A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142385A (en) * | 2022-06-29 | 2022-10-04 | 陈淑英 | Municipal bridge protection device |
-
2022
- 2022-02-27 CN CN202210182995.2A patent/CN114517444A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142385A (en) * | 2022-06-29 | 2022-10-04 | 陈淑英 | Municipal bridge protection device |
| CN115142385B (en) * | 2022-06-29 | 2024-10-08 | 江苏恒源建设有限公司 | Municipal bridge protection device |
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Application publication date: 20220520 |