CN112049002B - Anti-impact flow-dredging protection structure for vehicle at road edge of viaduct bridge - Google Patents
Anti-impact flow-dredging protection structure for vehicle at road edge of viaduct bridge Download PDFInfo
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- CN112049002B CN112049002B CN202010842951.9A CN202010842951A CN112049002B CN 112049002 B CN112049002 B CN 112049002B CN 202010842951 A CN202010842951 A CN 202010842951A CN 112049002 B CN112049002 B CN 112049002B
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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
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C1/00—Design or layout of roads, e.g. for noise abatement, for gas absorption
- E01C1/04—Road crossings on different levels; Interconnections between roads on different levels
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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
- E01F15/14—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 specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
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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
- E01F15/14—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 specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
- E01F15/146—Means for vehicle stopping using impact energy absorbers fixed arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses an impact-resistant flow-dredging protection structure for vehicles at the pavement edge of a viaduct, which comprises a bridge deck edge, positioning strips, fixing blocks and an outer barrel, wherein the positioning strips and the fixing blocks are respectively installed at the middle part and the top part of the bridge deck edge through bolts, a rubber pipe is fixedly connected between the outer walls of the fixing blocks, the end parts of the rubber pipe and the positioning strips are fixed through pins, a rubber balloon membrane is arranged on the outer wall of the rubber pipe, a fixing seat is fixed on the positioning strips in an embedded manner, a ball is installed at the center of the top of the fixing seat in an embedded manner, and connecting pieces are fixed at the bottom of the fixing block and the top of the ball through bolts. This overhead bridge road surface border vehicle protecting against shock dredging protection architecture makes things convenient for the whole maintenance of dismantling of structure to change, improves the convenience and the efficiency of change, reduces the hindrance influence of maintenance to transportation, can carry out multiple effectual weakening to impact external load simultaneously, all plays the protective effect to bridge and vehicle.
Description
Technical Field
The invention relates to the related technical field of viaduct bridge protection, in particular to an anti-impact flow-dredging protection structure for vehicles at the edge of a viaduct bridge road surface.
Background
Elevated bridge is one kind at current rail transit transport means, set up elevated bridge through the installation, can greatly effectual improvement transportation's space utilization, the mutual intercommunication of the dislocation formula distribution between the different roads of being convenient for, the going on of maintaining transportation work, avoid the traffic jam that cross circuit cross distribution between the different highway sections leads to and the emergence of potential safety hazard problem, road surface edge at elevated bridge, set up bellied curb structure, adopt reinforced concrete's the setting of pouring, carry out the bridge road surface and hang the isolation of empty department, reach the effect of reminding and protection, reduce potential safety hazards such as falling that transport means appears.
However, the existing viaduct pavement edge has the following problems in use:
1. the concrete rigid structure is arranged at the edge of the road surface, so that when a vehicle collides, the local fracture and damage of the collision part are easy to occur, the operation is inconvenient to maintain and replace, and after the local structure is damaged, secondary pouring and forming maintenance are needed, so that the normal running of road traffic is influenced;
2. the impact reaction force to the colliding vehicle is large, so that the collision position of the vehicle is seriously damaged, the life safety hidden danger of a driver is caused, the impact load weakening effect of the collision cannot be insufficient, the impact inertia force of the load at the collision edge is large, the vehicle and the bridge are easily and seriously damaged, and the use defect exists.
Aiming at the problems, innovative design is urgently needed on the basis of the original viaduct pavement edge.
Disclosure of Invention
The invention aims to provide an anti-impact flow-dredging protection structure for vehicles at the edge of a viaduct road surface, which aims to solve the problems that the prior art proposes that the concrete rigid structure is adopted at the edge of the viaduct road surface, when a vehicle collides, the local fracture and damage of the collision position are easy to occur, the operation maintenance and replacement are inconvenient, after the local structure is damaged, secondary pouring and forming maintenance are needed, the normal running of road traffic is influenced, the collision reaction force on the colliding vehicle is large, the collision position of the vehicle is seriously damaged, the life safety hazard of a driver is caused, the weakening effect of the collision impact load cannot be insufficient, the impact inertia force of the load at the collision edge is large, the vehicle and the bridge are easily and seriously damaged, and the use defect exists.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high bridge road surface border vehicle protecting against shock dredging protection architecture, includes bridge floor border, location strip, fixed block and urceolus, location strip and fixed block are installed to the middle part and the top at bridge floor border bolt respectively, and fixedly connected with rubber tube between the outer wall of fixed block, the tip of rubber tube is fixed through the pin between the location strip, and is provided with rubber balloon membrane on the outer wall of rubber tube, and fixedly connected with spring between the inside location strip of rubber tube, and set up the elasticity hole on the rubber tube, embedded being fixed with the fixing base on the location strip, and the embedded ball that installs in the top center department of fixing base, the bottom of fixed block and the top of ball all the bolt fastening have the connecting piece, and movable mounting has the urceolus between the connecting piece, and the connection end fixing of urceolus and connecting piece has the sleeve, the outer wall middle part and the edge of urceolus fixedly connected with rubber sleeve and gasbag respectively, the air bag is communicated with the inside of the outer cylinder, and the outside of the air bag is wrapped with a beam nylon gauze.
Preferably, the rubber tube and the spring are transversely and coaxially distributed, a distance is reserved between the inner wall of the rubber tube and the outer wall of the spring, and the elastic holes in the rubber tube are uniformly distributed at equal intervals.
Preferably, the fixing base distributes with the location strip in vertical direction one-to-one, and is the laminating interactive connection of embedded installation between fixing base and the ball to the bottom of ball and the inner wall middle part and the edge of fixing base are fixed with first magnet piece, second magnet piece and third magnet piece respectively.
Preferably, the first magnet piece, the second magnet piece and the third magnet piece are all provided in an arc-shaped structure, the first magnet piece and the second magnet piece are provided with different magnetic properties, the third magnet piece is symmetrically arranged on the left side and the right side of the second magnet piece, and the magnetic properties of the third magnet piece and the second magnet piece are the same.
Preferably, the connecting piece is internally hollow, the connecting piece and the sleeve are arranged in a clamped relative rotation structure, the outer wall of the connecting piece and the inner wall of the sleeve are respectively provided with a sliding block and a sliding groove, the sliding block and the sliding groove are in clamped sliding connection, and the arc length of the sliding groove is smaller than half of the circumference of the inner wall of the sleeve.
Preferably, the bottoms of the connecting piece and the sleeve are arranged in a penetrating mode with the pressing pin, the pressing pin is arranged in a penetrating mode with the connecting piece and the sleeve in a penetrating mode to form a relative telescopic structure and a threaded connection, and the upper end of the pressing pin in the connecting piece and the inner wall of the top of the connecting piece are fixedly provided with permanent magnets.
Preferably, the opposite surfaces of the permanent magnets on the pressure pin and the connecting piece are arranged in the same magnetic mode, the upper end and the lower end of the pressure pin are respectively arranged to be in a T-shaped structure and a conical structure, a compressed air tank is fixed to the center of the inner wall of the outer cylinder below the pressure pin, and a distance is reserved between the compressed air tank and the lower end of the pressure pin.
Preferably, the inner wall of compressed gas jar top and bottom all is fixed with the breather pipe, and the air vent has been seted up to the left and right sides of breather pipe to run through between breather pipe and the compressed gas jar and install the shutoff round pin, the one end outer wall that the shutoff round pin is located the breather pipe in addition is equipped with the rubber shrouding on the cover, is fixed with fixed aluminium strip between the top of shutoff round pin and the outer wall of compressed gas jar simultaneously.
Preferably, the plugging pin, the vent pipe and the compressed gas tank are all arranged to be of a penetrating relative telescopic structure, the rubber sealing plate at the end part of the plugging pin is connected with the inner wall of the vent pipe in a sliding sealing mode, and the plugging pin, the vent pipe and the pressing pin are vertically and coaxially distributed.
Compared with the prior art, the invention has the beneficial effects that: the protecting structure for preventing the vehicle from being impacted and dredging the flow on the road surface edge of the viaduct bridge facilitates the integral disassembly, maintenance and replacement of the structure, improves the convenience and efficiency of replacement, reduces the blocking influence of maintenance on transportation, can simultaneously perform multiple effective weakening on impact external force load, and has a protecting effect on both the bridge and the vehicle;
1. the arrangement of the rubber tube and the spring between the fixed blocks can change and subsequently reset the distance between the fixed blocks due to the elastic acting force during impact, so as to achieve the effects of weakening impulsive force load and normal protection, and when the fixed seat and the ball are in relative fit sliding connection, the first magnet piece, the second magnet piece and the third magnet piece which are arranged between the fixed seat and the ball act to connect and reset the fixed seat and the ball after relative rotation movement, so that the fixed seat and the ball can automatically reset while weakening the external force, and the bearing acting force and the counter force of the impact between vehicles can be reduced by the structure, the impact action with small amplitude can automatically reset, so that the impact from the structure when the vehicle impacts is prevented;
2. when the vehicle collides with the structure, the impact borne by the structure is oblique impact due to the self running acting force, so that the sleeve on the outer cylinder and the connecting piece perform relative rotary motion, under the clamping connection action of the sliding block and the sliding groove, the rotating distance of the outer cylinder is limited, the force of impact load force can be removed through the rotating force, and can not cause large-span displacement of the vehicle and impact with other vehicles due to continuous rotating acting force, when the vehicle slides, the vehicle can effectively reduce the speed and stop moving due to the action of friction force, and the sleeve is connected with the press pin through the screw thread, and the magnetic force of the permanent magnet between the pressing pin and the connecting piece repel each other, so that when the sleeve and the outer cylinder rotate, the axial movement of the pressing pin causes the impact of the blocking pin, so that the compressed gas tank and the outer cylinder are communicated, the expansion of the airbag is caused, and the airbag is utilized to achieve the protection effect of vehicle impact.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the internal structure of the rubber tube of the present invention;
FIG. 3 is a schematic diagram of the distribution structure of the elastic pores according to the present invention;
FIG. 4 is a schematic view of a connection structure of a fixing seat and a ball of the present invention;
FIG. 5 is a schematic view of the inner structure of the outer barrel according to the present invention;
FIG. 6 is a schematic view of a press pin mounting arrangement according to the present invention;
FIG. 7 is a schematic view of the connection structure of the slider and the chute according to the present invention;
fig. 8 is a schematic view of the connecting member and press pin connection structure of the present invention.
In the figure: 1. the edge of a bridge deck; 2. a positioning bar; 3. a fixed block; 4. a rubber tube; 5. a rubber balloon membrane; 6. a spring; 7. an elastic hole; 8. a fixed seat; 9. a ball; 10. a first magnet piece; 11. a second magnet piece; 12. a third magnet piece; 13. a connecting member; 14. an outer cylinder; 15. a sleeve; 16. a rubber sleeve; 17. an air bag; 18. beam nylon gauze; 19. a slider; 20. a chute; 21. pressing a pin; 22. a permanent magnet; 23. a compressed gas tank; 24. a breather pipe; 25. a vent hole; 26. a plugging pin; 27. a rubber seal plate; 28. and fixing the aluminum strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a vehicle anti-impact flow-dredging protection structure at the pavement edge of a viaduct bridge comprises a bridge deck edge 1, a positioning strip 2, a fixing block 3, a rubber tube 4, a rubber balloon membrane 5, a spring 6, an elastic hole 7, a fixing seat 8, a ball 9, a first magnet piece 10, a second magnet piece 11, a third magnet piece 12, a connecting piece 13, an outer barrel 14, a sleeve 15, a rubber sleeve 16, an air bag 17, a beam nylon gauze 18, a sliding block 19, a sliding groove 20, a pressing pin 21, a permanent magnet 22, a compressed air tank 23, an air pipe 24, an air hole 25, a plugging pin 26, a rubber sealing plate 27 and a fixed aluminum strip 28, wherein the positioning strip 2 and the fixing block 3 are respectively bolted at the middle part and the top part of the bridge deck edge 1, the rubber tube 4 is fixedly connected between the outer walls of the fixing block 3, the end part of the rubber tube 4 is fixed with the positioning strip 2 through a pin, and the rubber balloon membrane 5 is arranged on the outer wall of the rubber tube 4, and fixedly connected with spring 6 between the inside location strip 2 of rubber tube 4, and set up elasticity hole 7 on the rubber tube 4, embedded being fixed with fixing base 8 on location strip 2, and the embedded ball 9 of installing of top center department of fixing base 8, the bottom of fixed block 3 and the equal bolt fastening in top of ball 9 have connecting piece 13, and movable mounting has urceolus 14 between the connecting piece 13, and urceolus 14 and the tip of being connected of connecting piece 13 are fixed with sleeve 15, outer wall middle part and the edge of urceolus 14 are fixedly connected with rubber sleeve 16 and gasbag bag 17 respectively, and gasbag bag 17 link up with the inside of urceolus 14, and the outside parcel of gasbag bag 17 has line current nylon gauze 18.
The fixing seat 8 and the positioning strip 2 are distributed in a one-to-one correspondence manner in the vertical direction, the fixing seat 8 and the ball bearing 9 are in laminating interactive connection in an embedded manner, the middle part and the edge of the bottom of the ball bearing 9 and the inner wall of the fixing seat 8 are respectively and fixedly provided with a first magnet piece 10, a second magnet piece 11 and a third magnet piece 12, the first magnet piece 10, the second magnet piece 11 and the third magnet piece 12 are all arranged into an arc-shaped structure, the first magnet piece 10 and the second magnet piece 11 are different in magnetic property, the third magnet piece 12 is symmetrically arranged on the left side and the right side of the second magnet piece 11, the third magnet piece 12 and the second magnet piece 11 are same in magnetic property, the ball bearing 9 and the upper structure thereof can be turned over at an angle, impact load weakening is carried out, damage and buffering of a rigid structure is reduced, and the first magnet piece 10 between the ball bearing 9 and the fixing seat 8 is in a manner of being in a first magnet piece 10, a second magnet piece 11 is arranged in a second magnet piece, a second magnet piece is arranged on the upper structure, a second magnet piece is arranged on the ball bearing, The second magnet piece 11 and the third magnet piece 12 are under the effect of repulsion and attraction between magnetic forces, so that the ball 9 and the fixing seat 8 can be stably and effectively deformed and reset after being impacted and rotated by external force.
The hollow structure setting in connecting piece 13, and connecting piece 13 and sleeve 15 set up to the relative revolution mechanic of block, and be provided with slider 19 and spout 20 on the outer wall of connecting piece 13 and the inner wall of sleeve 15 respectively, and be the sliding connection of block between slider 19 and the spout 20, the arc length of spout 20 is less than half of sleeve 15 inner wall girth simultaneously, make connecting piece 13 and sleeve 15 when carrying out relative revolution, only can move a section distance of spout 20 self length, thereby reach urceolus 14 and sleeve 15 and carry out synchronous revolution and spacing effect, can enough carry out the weakening of vehicle impact load, and can prevent that the vehicle from leading to vehicle sliding distance too big at the continuous rotation of urceolus 14, cause the striking with other vehicles.
The bottoms of the connecting piece 13 and the sleeve 15 are arranged to penetrate through the pressure pin 21, the connecting piece 13 and the sleeve 15 are respectively arranged to be in a penetrating relative telescopic structure and a threaded connection, the upper end of the pressure pin 21 in the connecting piece 13 and the inner wall of the top of the connecting piece 13 are respectively fixed with a permanent magnet 22, the opposite faces of the pressure pin 21 and the permanent magnet 22 on the connecting piece 13 are in the same magnetic arrangement, the upper end and the lower end of the pressure pin 21 are respectively arranged to be in a T-shaped structure and a conical structure, a compressed air tank 23 is fixed at the center of the inner wall of the outer cylinder 14 below the pressure pin 21, and a distance is reserved between the compressed air tank 23 and the lower end of the pressure pin 21, so that when the sleeve 15 and the connecting piece 13 perform relative rotary motion, because the end part of the pressure pin 21 is transversely clamped with the inner wall of the connecting piece 13 and vertically slides, and the threaded connection between the pressure pin 21 and the sleeve 15 ensures that the sleeve 15 rotates, the threaded connection of the sleeve 15 and the presser pin 21 is disengaged, causing the presser pin 21 to move toward the position of the closure pin 26 on the compressed gas tank 23 under the repulsive action between the permanent magnets 22.
The inner walls of the top and the bottom of the compressed air tank 23 are both fixed with vent pipes 24, the left and the right sides of the vent pipe 24 are provided with vent holes 25, a plugging pin 26 is arranged between the vent pipe 24 and the compressed air tank 23 in a penetrating manner, the outer wall of one end of the plugging pin 26 positioned in the vent pipe 24 is sleeved with a rubber sealing plate 27, meanwhile, a fixed aluminum strip 28 is fixed between the top of the plugging pin 26 and the outer wall of the compressed air tank 23, the plugging pin 26, the vent pipe 24 and the compressed air tank 23 are both arranged in a penetrating and relatively telescopic structure, the rubber sealing plate 27 at the end part of the plugging pin 26 and the inner wall of the vent pipe 24 are arranged in a jointed and sliding sealing connection, the plugging pin 26, the vent pipe 24 and the press pin 21 are vertically and coaxially distributed, the plugging pin 26 is fixed by using the fixed aluminum strip 28, when being impacted by the press pin 21, the fixed aluminum strip 28 deforms, and the plugging pin 26 and the rubber sealing plate 27 at the end part thereof stretch relatively to the vent pipe 24 due to the push of the press pin 21, the internal space of the compressed air tank 23 is communicated with the external space through the vent pipe 24 and the vent hole 25, the purpose that the internal air pressure of the compressed air tank 23 is discharged to fill the air bag 17 is achieved, and the air bag 17 is inflated, so that the effects of buffering, pressure relief and protection are achieved on the edge of a bridge and a vehicle.
The working principle is as follows: when the anti-impact flow-dredging protection structure for the vehicle at the edge of the viaduct beam pavement is used, firstly, as shown in figures 1-4, an original reinforced concrete pouring forming structure is eliminated in the bridge deck edge 1, the bolt on the bridge deck edge 1 is installed and positioned through the positioning strips 2 and the fixing blocks 3, the outer barrel 14 and the upper structure thereof are installed between the fixing blocks 3 and the fixing seats 8 through the bolts, the purpose of stable installation and positioning of the outer barrel 14 and the upper auxiliary structure thereof is achieved, and after the structures such as the single-row outer barrel 14 and the like are damaged, the whole maintenance and replacement are convenient, and the arrangement of the structure can effectively reduce the impact load bearing capacity of the bridge deck edge 1 and the structure, can buffer and weaken the impact force, as shown in figures 2-4, when the outer barrel 14 is impacted, the space between the fixing blocks 3 at the top of the outer barrel 14 is changed and reset, the purpose of weakening impact load force is achieved through the elastic action of the rubber tube 4 and the spring 6, the elastic hole 7 is formed, the using elastic deformation capacity of the rubber tube 4 can be improved, meanwhile, the ball 9 and the fixing seat 8 are in fit sliding connection, the first magnet piece 10 at the bottom of the ball 9 and the second magnet piece 11 and the third magnet piece 12 in the fixing seat 8 are respectively in magnetic attraction and repulsion, when the outer cylinder 14 is collided, the ball 9 and the fixing seat 8 can relatively rotate to carry out the force unloading and the subsequent resetting of external force impact, and the ball 9 and the fixing seat 8 are prevented from being subjected to impact fracture due to rigid connection;
according to fig. 1 and 5-8, when the vehicle is out of control, because the vehicle has forward moving force, when the vehicle impacts the bridge deck edge 1, the impact force of the vehicle on the bridge deck edge 1 and the outer cylinder 14 is in a bevel direction, so that at the first moment when the outer cylinder 14 is subjected to the impact load of the vehicle, the outer cylinder 14 rotates due to the oblique impact force of the vehicle, as shown in fig. 6-8, the outer cylinder 14 and the sleeve 15 rotate synchronously, so that the sliding block 19 on the connecting piece 13 slides in the sliding groove 20 on the inner wall of the sleeve 15, the rotating length of the sleeve 15 is limited by the length of the sliding groove 20, therefore, the outer cylinder 14 and the sleeve 15 can only rotate for a small distance, and when the unloading force of the impact load is weakened, the problem that the vehicle slides for a large span due to the continuous rotation of the outer cylinder 14, causes the mutual impact between the vehicles, and cannot effectively stop due to the friction force is prevented, when the sleeve 15 rotates with the sleeve 15 for a short time, due to the threaded connection between the sleeve 15 and the press pin 21 and the vertical joint sliding and transverse clamping connection between the press pin 21 and the connecting piece 13, the press pin 21 and the sleeve 15 move downwards oppositely, so that the threaded connection between the two is disengaged, the press pin 21 can move downwards freely in the vertical direction, and due to the repulsive action of the press pin 21 and the permanent magnet 22 on the connecting piece 13, the press pin 21 moves towards the position of the blocking pin 26 due to the downward pushing of the magnetic force, as shown in fig. 6, the press pin 21 impacts downwards to collide with the blocking pin 26 and the fixed aluminum strip 28, and deforms itself under the ductility action of the fixed aluminum strip 28, and the blocking pin 26 moves downwards in the vent pipe 24 with the rubber sealing plate 27 at the bottom, so that the rubber sealing plate 27 does not block the vent hole 25 on the vent pipe 24 any more, and the gas in the compressed gas tank 23 can be guided into the outer cylinder 14 through the vent pipe 24 and the vent hole 25, the airbag 17 communicated with the outer cylinder 14 is expanded, impact load is weakened under the action of the airbag 17, impact protection of the road edge and a vehicle is carried out, the protection effect of a bridge and the vehicle is achieved, the airbag 17 in a static state is isolated and protected by the beam nylon gauze 18, and damage of the airbag 17 due to friction in a non-working state is avoided.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (4)
1. The utility model provides a viaduct bridge road surface border vehicle protecting against shock is dredged and is protected structure, includes bridge floor border (1), location strip (2), fixed block (3) and urceolus (14), its characterized in that: the bridge deck is characterized in that a positioning strip (2) and a fixing block (3) are respectively installed at the middle part and the top of the bridge deck edge (1) through bolts, a rubber tube (4) is fixedly connected between the outer walls of the fixing block (3), the end part of the rubber tube (4) and the fixing block (3) are fixed through pins, a rubber balloon membrane (5) is arranged on the outer wall of the rubber tube (4), a spring (6) is fixedly connected between the fixing blocks (3) inside the rubber tube (4), an elastic hole (7) is formed in the rubber tube (4), a fixing seat (8) is fixed on the positioning strip (2) in an embedded mode, a ball (9) is installed at the center of the top of the fixing seat (8) in an embedded mode, connecting pieces (13) are fixed at the bottom of the fixing block (3) and the top of the ball (9) through bolts, and an outer barrel (14) is movably installed between the connecting pieces (13), a sleeve (15) is fixed at the connecting end part of the outer cylinder (14) and the connecting piece (13), the middle part and the edge of the outer wall of the outer cylinder (14) are respectively and fixedly connected with a rubber sleeve (16) and an air bag (17), the air bag (17) is communicated with the inside of the outer cylinder (14), and the outside of the air bag (17) is wrapped with a beam current nylon gauze (18);
the fixing seats (8) and the positioning strips (2) are distributed in a one-to-one correspondence mode in the vertical direction, the fixing seats (8) are in embedded installation and fit interactive connection with the ball balls (9), and the bottom of each ball (9) and the middle and the edge of the inner wall of each fixing seat (8) are respectively and fixedly provided with a first magnet piece (10), a second magnet piece (11) and a third magnet piece (12);
the connecting piece (13) is arranged in a hollow structure, the connecting piece (13) and the sleeve (15) are arranged in a clamping relative rotation structure, the outer wall of the connecting piece (13) and the inner wall of the sleeve (15) are respectively provided with a sliding block (19) and a sliding groove (20), the sliding block (19) and the sliding groove (20) are in clamping sliding connection, and meanwhile, the arc length of the sliding groove (20) is smaller than half of the circumference of the inner wall of the sleeve (15);
the bottom parts of the connecting piece (13) and the sleeve (15) are arranged in a penetrating manner with the press pin (21), the press pin (21) is respectively arranged in a penetrating and relatively telescopic structure and in threaded connection with the connecting piece (13) and the sleeve (15), and the upper end of the press pin (21) in the connecting piece (13) and the inner wall of the top part of the connecting piece (13) are both fixed with permanent magnets (22);
the opposite surfaces of the permanent magnets (22) on the pressure pin (21) and the connecting piece (13) are arranged in the same magnetic mode, the upper end and the lower end of the pressure pin (21) are respectively arranged to be in a T-shaped structure and a conical structure, a compressed air tank (23) is fixed at the center of the inner wall of the outer cylinder (14) below the pressure pin (21), and a space is reserved between the compressed air tank (23) and the lower end of the pressure pin (21);
the inner wall of compressed air tank (23) top and bottom all is fixed with breather pipe (24), and air vent (25) have been seted up to the left and right sides of breather pipe (24) to run through between breather pipe (24) and the compressed air tank (23) and install shutoff round pin (26), the cover is equipped with rubber shrouding (27) on the one end outer wall that shutoff round pin (26) is located breather pipe (24) moreover, is fixed with between the top of shutoff round pin (26) and the outer wall of compressed air tank (23) fixed aluminium strip (28) simultaneously.
2. The viaduct road surface edge vehicle impact-resistant flow-distribution protection structure according to claim 1, characterized in that: the rubber tube (4) and the spring (6) are transversely and coaxially distributed, a space is reserved between the inner wall of the rubber tube (4) and the outer wall of the spring (6), and the elastic holes (7) in the rubber tube (4) are uniformly distributed at equal intervals.
3. The viaduct pavement edge vehicle impact-resistant flow-dredging protection structure according to claim 1, characterized in that: the first magnet piece (10), the second magnet piece (11) and the third magnet piece (12) are all arranged to be of an arc-shaped structure, the magnetism of the first magnet piece (10) and the magnetism of the second magnet piece (11) are different, the third magnet piece (12) is symmetrically arranged on the left side and the right side of the second magnet piece (11), and the magnetism of the third magnet piece (12) and the magnetism of the second magnet piece (11) are the same.
4. The viaduct road surface edge vehicle impact-resistant flow-distribution protection structure according to claim 1, characterized in that: the plugging pin (26) and the vent pipe (24) and the compressed air tank (23) are arranged to be of a penetrating relative telescopic structure, the rubber sealing plate (27) at the end part of the plugging pin (26) is connected with the inner wall of the vent pipe (24) in a sliding sealing mode, and the plugging pin (26) and the vent pipe (24) and the pressure pin (21) are vertically and coaxially distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010842951.9A CN112049002B (en) | 2020-08-20 | 2020-08-20 | Anti-impact flow-dredging protection structure for vehicle at road edge of viaduct bridge |
Applications Claiming Priority (1)
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| DE10134946A1 (en) * | 2001-07-23 | 2003-02-06 | Reinhard Diem | Safety fence to absorb the impact forces of a vehicle leaving the road, and especially at motor racing tracks, is composed of layers of tires with an air cushion unit at the base to reposition the fence after an impact |
| CN110158461A (en) * | 2019-06-21 | 2019-08-23 | 江苏卡斯特桥梁构件有限公司 | A kind of road and bridge safety guide rail |
| CN209323360U (en) * | 2018-11-26 | 2019-08-30 | 常州恒通交通设施有限公司 | A kind of Bridge guardrail with pooling feature |
| CN209741721U (en) * | 2019-02-25 | 2019-12-06 | 倪立武 | Road and bridge anticollision barrier |
| CN210315334U (en) * | 2019-05-22 | 2020-04-14 | 唐会超 | Road and bridge safety protective guard |
| CN111455909A (en) * | 2020-04-16 | 2020-07-28 | 赵银朋 | Anti-crossing road isolation fence |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10134946A1 (en) * | 2001-07-23 | 2003-02-06 | Reinhard Diem | Safety fence to absorb the impact forces of a vehicle leaving the road, and especially at motor racing tracks, is composed of layers of tires with an air cushion unit at the base to reposition the fence after an impact |
| CN209323360U (en) * | 2018-11-26 | 2019-08-30 | 常州恒通交通设施有限公司 | A kind of Bridge guardrail with pooling feature |
| CN209741721U (en) * | 2019-02-25 | 2019-12-06 | 倪立武 | Road and bridge anticollision barrier |
| CN210315334U (en) * | 2019-05-22 | 2020-04-14 | 唐会超 | Road and bridge safety protective guard |
| CN110158461A (en) * | 2019-06-21 | 2019-08-23 | 江苏卡斯特桥梁构件有限公司 | A kind of road and bridge safety guide rail |
| CN111455909A (en) * | 2020-04-16 | 2020-07-28 | 赵银朋 | Anti-crossing road isolation fence |
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