CN109972508B - Anti-collision device for highway bridge - Google Patents
Anti-collision device for highway bridge Download PDFInfo
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- CN109972508B CN109972508B CN201910314741.XA CN201910314741A CN109972508B CN 109972508 B CN109972508 B CN 109972508B CN 201910314741 A CN201910314741 A CN 201910314741A CN 109972508 B CN109972508 B CN 109972508B
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- pull shaft
- guardrail
- buffer
- wall
- main buffer
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- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 230000003139 buffering effect Effects 0.000 claims description 26
- 238000013016 damping Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 230000006378 damage Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Classifications
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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
- E01F15/0461—Supports, e.g. posts
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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 discloses an anti-collision device for a highway bridge, which relates to the field of highway bridge facilities and comprises a road deck, a main buffer mechanism and auxiliary buffer mechanisms, wherein a plurality of groups of main buffer mechanisms which are symmetrically arranged are arranged on two sides of the road deck, each main buffer mechanism comprises a main buffer sleeve, a main buffer shaft and a guardrail support bar, a plurality of groups of auxiliary buffer mechanisms are arranged along the length direction of the upper surface of the guardrail support bar, and each auxiliary buffer mechanism comprises a guardrail support post, a buffer telescopic rod and a protection plate. When the guardrail support is used for protection, the guardrail support post is impacted to deviate to the outer side, the guardrail support bar is pulled by the guardrail support post to move out of the road surface plate, the main buffer shaft connected with the guardrail support bar is drawn out of the pull shaft sliding cavity formed in the main buffer sleeve, the main tension spring connected between the main buffer shaft and the pull shaft sliding cavity is stretched, and the main tension spring can effectively buffer the impact force generated when an automobile is impacted and can effectively intercept the automobile.
Description
Technical Field
The invention relates to the field of highway bridge facilities, in particular to an anti-collision device for a highway bridge.
Background
Protective guardrails are usually installed on two sides of a road or a bridge to prevent vehicles from deviating from the road or the bridge in the driving process, particularly vehicles driving at high speed on the bridge, and once the vehicles are not intercepted by the protective guardrails, the vehicles have the accident of falling. Usually, the guardrails on two sides of a road or a bridge are directly fixed, when an automobile is accidentally collided with the guardrails, the guardrails and the automobile are easily damaged, the fixedly installed guardrails have poor intercepting performance on the automobile which is collided at a high speed, and the accident that the automobile rushes out of the road or the bridge is easily caused. Therefore, it is necessary to provide an anti-collision device for highway bridges to solve the above problems.
Disclosure of Invention
The present invention is directed to a collision-proof device for highway bridges, so as to solve the problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: an anti-collision device for a highway bridge comprises a road slab, a main buffer mechanism and an auxiliary buffer mechanism, wherein a plurality of groups of main buffer mechanisms which are symmetrically arranged are arranged on two sides of the road slab, the main buffer mechanism comprises a main buffer sleeve, a main buffer shaft and guardrail supporting bars, the main buffer sleeve is embedded into two sides of the road slab, a plurality of annular snap rings are integrally formed on the outer wall of the main buffer sleeve, a pull shaft sliding cavity is formed in the main buffer sleeve, an opening of the pull shaft sliding cavity is formed in the side wall of the road slab, the main buffer shaft is arranged in the pull shaft sliding cavity and comprises a pull shaft and a pull shaft clamping head, the pull shaft clamping head is clamped in the pull shaft sliding cavity, a main stretching spring is connected between one side of the pull shaft clamping head and the inner side face of the pull shaft sliding cavity, the pull shaft is welded on the other side of the pull shaft clamping head, the pull shaft penetrates out along the opening of the pull shaft sliding cavity, the outer ends of the pull shafts arranged on the multiple groups of main buffering mechanisms are fixedly connected with guardrail supporting bars simultaneously, multiple groups of auxiliary buffering mechanisms are arranged along the length direction of the upper surface of the guardrail supporting bars, each auxiliary buffering mechanism comprises a guardrail support, a buffering telescopic rod and a protective plate, a support bottom plate is welded at the bottom end of each guardrail support and is fixedly connected with the upper surface of each guardrail supporting bar through bolts, the bolts connected onto the support bottom plate are embedded into the upper surface of the support bottom plate, the guardrail supports are arranged perpendicular to the upper surface of the guardrail supporting bars, triangular plate-shaped reinforcing rib plates are welded between the outer side walls of the guardrail supports and the support bottom plates, the middle parts of the guardrail supports arranged on the multiple groups of auxiliary buffering mechanisms are simultaneously and penetratingly welded with protective rods, three groups of buffering telescopic rods are arranged on the, and the inner side ends of the three groups of buffer telescopic rods are fixedly connected with a protection plate in a shape of a semicircular arc plate.
Preferably, the buffering telescopic link includes flexible urceolus, flexible interior pole, interior pole dop and compression damping spring, and flexible urceolus is cylindric perpendicular welding at the outer wall of guardrail pillar, and the inside of flexible urceolus is inserted and is equipped with flexible interior pole, and flexible interior pole setting has interior pole dop in the inside one end welding of flexible urceolus, and interior pole dop cooperation card is established in the inside of flexible urceolus, is connected with compression damping spring between the medial surface of interior pole dop and the inside of flexible urceolus.
Preferably, the guard plate comprises a plate body and an elastic rubber layer, the inner wall of the plate body is welded and fixed with the outer ends of telescopic inner rods arranged in the three groups of buffer telescopic rods, the elastic rubber layer is bonded on the outer wall of the plate body, and fluorescent strips are sprayed on the outer wall of the elastic rubber layer.
Preferably, a plurality of snap rings evenly set up the outer wall at main buffering sleeve, and the snap ring inlay card is in the inside of decking.
Preferably, the outer wall of the pull shaft clamping head is in sliding contact with the inner wall of the pull shaft sliding cavity, and the pull shaft is in sliding contact with the port of the pull shaft sliding cavity.
Preferably, the port department sliding contact of flexible interior pole and flexible urceolus, and the outer wall of interior pole dop and the inner wall sliding contact of flexible urceolus.
Preferably, the outer walls of the guardrail support post and the guard bar are all coated with antirust paint, and the outer walls of the guardrail support post and the guard bar are all sleeved with sponge layers.
The invention has the technical effects and advantages that:
1. when an automobile collides with the automobile bumper guard at a lower speed, the guard plate receives the collision, the telescopic inner rod is pushed into the telescopic outer cylinder, the compression damping spring connected between the inner rod chuck and the inside of the telescopic outer cylinder is compressed to buffer the collision force, and the elastic rubber layer adhered to the outer wall of the guard plate can reduce the damage between the guard plate and the automobile;
2. when an automobile collides with the guardrail support device at a higher speed, the guardrail support post is collided to deviate to the outer side, the guardrail support bar is pulled by the guardrail support post to move out of the road surface plate, the main buffer shaft connected with the guardrail support bar is pulled out of the pull shaft sliding cavity formed in the main buffer sleeve, the main tension spring connected between the main buffer shaft and the pull shaft sliding cavity is stretched, the main tension spring can effectively buffer the impact force generated when the automobile collides, and the automobile can be effectively intercepted.
3. The flexible material of certain angle rotation, snap ring body of the horizontal flexible design of fender rod and pillar bottom plate and guardrail pillar for when the external impact force that even receives high-speed car, reduce the cracked probability of car rollover guardrail pillar, and can be so that main buffer gear's life-span greatly increased.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a top view of the structure of the present invention.
Fig. 3 is a cross-sectional view taken at a-a in fig. 2.
Fig. 4 is a cross-sectional view taken at B-B in fig. 3.
FIG. 5 is an enlarged view of the point C shown in FIG. 3
In the figure: 1. a road surface plate; 2. a main buffer mechanism; 3. a secondary buffer mechanism; 4. a main cushion sleeve; 5. a main buffer shaft; 51. pulling the shaft; 52. a shaft drawing chuck; 6. a guardrail support bar; 7. a guardrail support post; 8. buffering the telescopic rod; 9. a guard plate; 10. a bolt; 11. a pull shaft sliding cavity; 12. a primary tension spring; 13. a snap ring; 14. a pillar base plate; 15. a reinforcing rib plate; 16. a guard bar; 17. a telescopic outer cylinder; 18. a telescopic inner rod; 19. an inner rod chuck; 20. compressing the damping spring; 21. a plate body; 22. an elastic rubber layer; 23. a fluorescent 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 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: the invention provides an anti-collision device for a highway bridge, which is shown in figures 1-5 and comprises a road deck plate 1, a main buffer mechanism 2 and an auxiliary buffer mechanism 3, wherein a plurality of groups of main buffer mechanisms 2 which are symmetrically arranged are arranged at two sides of the road deck plate 1, the main buffer mechanisms 2 are composed of main buffer sleeves 4, main buffering axle 5 and guardrail support bar 6 constitute, combine fig. 1 and fig. 3 to show, the embedded setting in the both sides of decking 1 of main buffering sleeve 4, main buffering sleeve 4's outer wall integrated into one piece has a plurality of annular snap rings 13 of circle, a plurality of snap rings 13 evenly set up the outer wall at main buffering sleeve 4, snap ring 13 inlay card is in the inside of decking 1, snap ring 13 and the inside bonding of decking 1, make the firm bonding of main buffering sleeve 4 in the inside of decking 1, prevent that main buffering sleeve 4 from taking off from the inside of decking 1.
As shown in fig. 3, a pull shaft sliding cavity 11 is formed inside the main buffer sleeve 4, an opening of the pull shaft sliding cavity 11 is arranged on the outer side wall of the pavement slab 1, a main buffer shaft 5 is arranged inside the pull shaft sliding cavity 11, the main buffer shaft 5 is composed of a pull shaft 51 and a pull shaft chuck 52, the pull shaft chuck 52 is clamped inside the pull shaft sliding cavity 11, the diameter of the pull shaft chuck 52 is larger than that of the opening of the pull shaft sliding cavity 11, the pull shaft chuck 52 is prevented from falling out of the pull shaft sliding cavity 11, the outer wall of the pull shaft chuck 52 is in sliding contact with the inner wall of the pull shaft sliding cavity 11, the pull shaft 51 is welded on the outer side of the pull shaft chuck 52, the pull shaft 51 penetrates out along the opening of the pull shaft sliding cavity 11, the pull shaft 51 is in sliding contact with the port of the pull shaft sliding cavity 11, the pull shaft 51 is ensured to slide stably, the outer end of the pull shaft 51 of the multiple sets of the main buffer mechanisms 2 is fixedly connected with a guardrail support bar 6, and a main tension spring 12 is connected between one side of the, under the tension of the main tension spring 12, the guardrail support strip 6 is pressed against the side walls of the pavement slab 1.
Referring to fig. 1 and 2, a plurality of sets of auxiliary buffering mechanisms 3 are arranged along the length direction of the upper surface of the guardrail support bar 6, wherein each auxiliary buffering mechanism 3 comprises a guardrail support post 7, a buffering telescopic rod 8 and a protection plate 9, a disc-shaped support bottom plate 14 is welded at the bottom end of the guardrail support post 7, the support bottom plate 14 is fixedly connected with the upper surface of the guardrail support bar 6 through a bolt 10, the bolt 10 connected to the support bottom plate 14 is embedded in the upper surface of the support bottom plate 14 to prevent the head end of the bolt 10 from extending out to cause the danger of puncturing tires or scratching, the guardrail support post 7 is arranged perpendicular to the upper surface of the guardrail support bar 6 to protect two sides of the road panel 1, a triangular plate-shaped reinforcing rib plate 15 is welded between the outer side wall of the guardrail support post 7 and the support bottom plate 14 to enhance the mechanism stability of the guardrail support post 7, two protection rods 16 are simultaneously welded at the middle, two clearance to between many guardrail posts 7 are intercepted and are protected, and to the additional strengthening contact between many guardrail posts 7, guardrail posts 7 and fender rod 16's outer wall all spraying has the antirust paint, prevents that guardrail posts 7 and fender rod 16 from being corroded damage, and guardrail posts 7 and 16 outer walls of fender rod all overlap and are equipped with the sponge layer, reduce the damage when striking with the car to a certain extent.
Referring to fig. 2 and 3, three groups of buffer telescopic rods 8 are arranged on the inner side outer wall of the vertical guardrail support post 7, the three groups of buffer telescopic rods 8 are uniformly distributed along the vertical direction of the guardrail support post 7, and the inner side ends of the three groups of buffer telescopic rods 8 are fixedly connected with a semicircular arc-shaped guard plate 9, as shown in fig. 5, each buffer telescopic rod 8 comprises a telescopic outer cylinder 17, a telescopic inner rod 18, an inner rod chuck 19 and a compression damping spring 20, the telescopic outer cylinder 17 is cylindrically and vertically welded on the outer wall of the guardrail support post 7, the telescopic inner rod 18 is inserted into the telescopic outer cylinder 17, the inner rod chuck 19 is welded at one end of the telescopic inner rod 18 arranged in the telescopic outer cylinder 17, the inner rod chuck 19 is clamped in the telescopic outer cylinder 17 in a matching manner, the diameter of the inner rod chuck 19 is larger than the inner diameter of the, and the outer wall of interior pole dop 19 and the inner wall sliding contact of flexible urceolus 17, be connected with compression damping spring 20 between the medial surface of interior pole dop 19 and the inside of flexible urceolus 17, backplate 9 includes plate body 21 and elastic rubber layer 22, the outer end welded fastening of the interior pole 18 in the inner wall of plate body 21 and the three group's buffering telescopic links 8 of establishing of flexible, the outer wall bonding of plate body 21 has elastic rubber layer 22, when reducing the car and backplate 9 striking, the damage to backplate 9 production, elastic rubber layer 22 outer wall spraying has phosphor strip 23, it carries out the suggestion of reflecting light to go night to be convenient for.
The operation principle of embodiment 1: when the automobile is protected, when the automobile collides with the automobile at a lower speed, as shown in fig. 5, when the guard plate 9 receives the collision, the telescopic inner rod 18 is pushed into the telescopic outer cylinder 17, the compression damping spring 20 connected between the inner rod chuck 19 and the telescopic outer cylinder 17 is compressed to buffer the collision force, and the elastic rubber layer 22 adhered to the outer wall of the guard plate 9 can reduce the damage between the guard plate 9 and the automobile;
when an automobile collides with the buffer device at a higher speed, the buffer telescopic rod 8 cannot meet the buffer requirement, at the moment, the guardrail support post 7 is collided and deviates to the outer side, the guardrail support strip 6 is pulled by the guardrail support post 7 to move out of the pavement slab 1, the main buffer shaft 5 connected with the guardrail support strip 6 is pulled out from the pull shaft sliding cavity 11 formed in the main buffer sleeve 4, the main tension spring 12 connected between the main buffer shaft 5 and the pull shaft sliding cavity 11 is stretched, the main tension spring 12 can effectively buffer the impact force generated when the automobile collides, and the automobile can be effectively intercepted.
Second embodiment: an anti-collision device for highway bridges comprises a road slab 1, a main buffer mechanism 2 and an auxiliary buffer mechanism 3, wherein the two sides of the road slab 1 are provided with a plurality of groups of main buffer mechanisms 2 symmetrically arranged, each main buffer mechanism 2 comprises a main buffer sleeve 4, a main buffer shaft 5 and a guardrail support bar 6, the main buffer sleeve 4 is embedded and arranged inside the two sides of the road slab 1, the outer wall of the main buffer sleeve 4 is integrally formed with a plurality of annular snap rings 13, a pull shaft sliding cavity 11 is arranged inside the main buffer sleeve 4, an opening of the pull shaft sliding cavity 11 is arranged on the side wall of the road slab 1, the main buffer shaft 5 is arranged inside the pull shaft sliding cavity 11 and comprises a pull shaft 51 and a pull shaft chuck 52, the pull shaft chuck 52 is clamped and arranged inside the pull shaft sliding cavity 11, and a main tension spring 12 is connected between one side of the pull shaft chuck 52 and the inner side surface of the pull shaft sliding cavity 11, the other side of the pull shaft chuck 52 is welded with a pull shaft 51, the pull shaft 51 penetrates out along the opening of the pull shaft sliding cavity 11, the outer ends of the pull shafts 51 of the multiple groups of main buffer mechanisms 2 are fixedly connected with guardrail support bars 6 at the same time, multiple groups of auxiliary buffer mechanisms 3 are arranged along the length direction of the upper surfaces of the guardrail support bars 6, each auxiliary buffer mechanism 3 comprises a guardrail strut 7, a buffer telescopic rod 8 and a guard plate 9, the bottom end of each guardrail strut 7 is welded with a strut bottom plate 14, each strut bottom plate 14 is fixedly inserted into an arc-shaped hollow groove in the upper surface of each guardrail support bar 6 through a bolt 10, the bolts 10 connected on the strut bottom plates 14 are embedded into the upper surfaces of the strut bottom plates 14, the guardrail struts 7 are arranged perpendicular to the upper surfaces of the guardrail support bars 6, triangular reinforcing rib plates 15 are welded between the outer side walls of the guardrail struts 7 and the strut bottom plates 14, and transverse protection, three groups of buffer telescopic rods 8 are arranged on the outer wall of the inner side of the vertical guardrail support post 7, the three groups of buffer telescopic rods 8 are uniformly distributed along the vertical direction of the guardrail support post 7, and the end parts of the inner sides of the three groups of buffer telescopic rods 8 are fixedly connected with a protection plate 9 in a semi-circular arc plate shape;
a plurality of snap rings 13 evenly set up the outer wall at main buffer sleeve 4, and snap ring 13 inlay card is in the inside of pavement slab 1, and every snap ring 13 ring body is flexible material, and the 16 body of rod of horizontal fender rod between per two vice buffer gear 3 is telescopic sleeve structure, and under external force pillar bottom plate 14 passes through bolt 10 with guardrail pillar 7 and is in certain angle rotation in the arc fretwork recess.
In the embodiment, the transverse telescopic design of the guard bar 16, the certain angle rotation of the pillar base plate 14 and the guardrail pillar 7 and the flexible material of the ring body of the snap ring 13 are added, so that the probability of the fragmentation of the automobile rollover guardrail pillar 7 is reduced when the external impact force of a high-speed automobile is received, and the service life of the main buffer mechanism 2 can be greatly prolonged. The specific working principle and process are as follows:
when the automobile is protected, when the automobile collides with the automobile at a lower speed, as shown in fig. 5, when the guard plate 9 receives the collision, the telescopic inner rod 18 is pushed into the telescopic outer cylinder 17, the compression damping spring 20 connected between the inner rod chuck 19 and the telescopic outer cylinder 17 is compressed to buffer the collision force, and the elastic rubber layer 22 adhered to the outer wall of the guard plate 9 can reduce the damage between the guard plate 9 and the automobile;
when an automobile collides with the buffer device at a higher speed, the buffer telescopic rod 8 cannot meet the buffer requirement, at the moment, the guardrail support post 7 is collided and deviates to the outer side, the guardrail support strip 6 is pulled by the guardrail support post 7 to move out of the pavement slab 1, the main buffer shaft 5 connected with the guardrail support strip 6 is pulled out from the pull shaft sliding cavity 11 formed in the main buffer sleeve 4, the main tension spring 12 connected between the main buffer shaft 5 and the pull shaft sliding cavity 11 is stretched, the main tension spring 12 can effectively buffer the impact force generated when the automobile collides, and the automobile can be effectively intercepted.
When an automobile collides with the anti-collision device at an ultra-fast speed, the buffer telescopic rod 8 can not meet the buffer requirement, then the guardrail posts 7 are collided to deviate outwards, and the guardrail posts 7 are collided to deviate outwards and simultaneously rotate at a certain angle along the arc-shaped hollow grooves on the guardrail supporting bars 6, so that the rotation can buffer the collision of the automobile on one hand and keep the original approximate advancing route of the automobile to a certain extent on the other hand, thereby avoiding direct rebound and causing secondary injury to the automobile and personnel in the automobile, in addition, the guardrail posts 7 drive the approximate transverse deformation of the protective rods 16 in the rotation process, the strength of the whole anti-collision device is ensured, the guardrail posts 7 can not be damaged by collision, in addition, when the guardrail posts 7 are collided to deviate outwards, the guardrail posts 7 can rotate to a certain degree, the whole main buffer mechanism 2 will press the inside of the pavement slab 1, i.e. the outside of the main buffer mechanism 2 will also bear a considerable pressing force, and the deformation of the main buffer mechanism will be caused by an excessive pressing force, so that the elastic deformation of the flexible material of the ring body of the snap ring 13 and the inner contact part of the pavement slab 1 can further absorb the impact.
Further, the guard bar 16 can be replaced by a flexible rope with certain strength, and the rope can meet the requirement that the guardrail posts 7 rotate in a certain angle while achieving the anti-collision protection for the automobile.
Finally, it should be noted that: 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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides an anti-collision device that public road bridge roof beam was used, includes road deck (1), main buffer gear (2) and vice buffer gear (3), its characterized in that: the road slab comprises a road slab body (1), wherein a plurality of groups of main buffer mechanisms (2) symmetrically arranged are arranged on two sides of the road slab body (1), each main buffer mechanism (2) comprises a main buffer sleeve (4), a main buffer shaft (5) and guardrail supporting bars (6), the main buffer sleeves (4) are embedded in two sides of the road slab body (1), a plurality of annular clamping rings (13) are integrally formed on the outer wall of each main buffer sleeve (4), a pull shaft sliding cavity (11) is formed in each main buffer sleeve (4), an opening of each pull shaft sliding cavity (11) is formed in the side wall of the road slab body (1), a main buffer shaft (5) is arranged in each pull shaft sliding cavity (11), each main buffer shaft (5) comprises a pull shaft (51) and a pull shaft clamping head (52), each pull shaft clamping head (52) is clamped in each pull shaft sliding cavity (11), and a main stretching spring (12) is connected between one side of each pull shaft clamping head (52) and the inner side surface of each pull shaft sliding cavity (, the pull shaft (51) is welded on the other side of the pull shaft clamping head (52), the pull shaft (51) penetrates out along the opening of the pull shaft sliding cavity (11), the outer end of the pull shaft (51) which is arranged on the multi-group main buffer mechanism (2) is fixedly connected with a guardrail support bar (6) at the same time, the length direction of the upper surface of the guardrail support bar (6) is provided with a plurality of groups of auxiliary buffer mechanisms (3), each auxiliary buffer mechanism (3) comprises a guardrail support post (7), a buffer telescopic rod (8) and a guard plate (9), the bottom end of the guardrail support post (17) is welded with a support bottom plate (14), the support bottom plate (14) is fixedly spliced with an arc-shaped hollow groove on the upper surface of the guardrail support bar (6) through a bolt (10), the bolt (10) connected on the support bottom plate (14) is embedded into the upper surface of the support bottom plate (14), and the guardrail support, triangular reinforcing rib plates (15) are welded between the outer side wall of each guardrail support (7) and a support bottom plate (14), the middle parts of the guardrail supports (7) arranged on the multiple groups of auxiliary buffering mechanisms (3) are simultaneously welded with transverse protection rods (16) in a penetrating manner, three groups of buffering telescopic rods (8) are arranged on the outer wall of the inner side of each vertical guardrail support (7), the three groups of buffering telescopic rods (8) are uniformly distributed in the vertical direction of the guardrail supports (7), and the inner side ends of the three groups of buffering telescopic rods (8) are fixedly connected with semicircular arc-shaped protection plates (9);
the multiple clamping rings (13) are uniformly arranged on the outer wall of the main buffering sleeve (4), the clamping rings (13) are clamped and embedded in the pavement slab (1), the ring body of each clamping ring (13) is made of flexible materials, the rod body of a transverse protection rod (16) between every two auxiliary buffering mechanisms (3) is of a telescopic sleeve structure, and a column base plate (14) and a guardrail column (7) rotate in the arc-shaped hollow groove at a certain angle through bolts (10) under the action of external force;
buffering telescopic link (8) are including flexible urceolus (17), flexible interior pole (18), interior pole dop (19) and compression damping spring (20), flexible urceolus (17) are cylindric vertical welding the outer wall at guardrail pillar (7), the inside of flexible urceolus (17) is inserted and is equipped with flexible interior pole (18), flexible interior pole (18) set up and have interior pole dop (19) in the inside one end welding of flexible urceolus (17), interior pole dop (19) cooperation card is established in the inside of flexible urceolus (17), be connected with compression damping spring (20) between the medial surface of interior pole dop (19) and the inside of flexible urceolus (17).
2. The anti-collision device for the road bridge according to claim 1, wherein: the protective plate (9) comprises a plate body (21) and an elastic rubber layer (22), the inner wall of the plate body (21) is welded and fixed with the outer end of a telescopic inner rod (18) arranged in the three groups of buffer telescopic rods (8), the elastic rubber layer (22) is adhered to the outer wall of the plate body (21), and fluorescent strips (23) are sprayed on the outer wall of the elastic rubber layer (22).
3. The anti-collision device for the road bridge according to claim 2, wherein: a plurality of snap rings (13) are uniformly arranged on the outer wall of the main buffer sleeve (4), and the snap rings (13) are embedded in the pavement slab (1).
4. The anti-collision device for road bridges of claim 3, wherein: the outer wall of the pull shaft clamping head (52) is in sliding contact with the inner wall of the pull shaft sliding cavity (11), and the pull shaft (51) is in sliding contact with the port of the pull shaft sliding cavity (11).
5. The anti-collision device for the road bridge according to claim 4, wherein: the port department sliding contact of flexible interior pole (18) and flexible urceolus (17), and the outer wall of interior pole dop (19) and the inner wall sliding contact of flexible urceolus (17).
6. The road and bridge collision prevention device of claim 5, wherein: the outer walls of the guardrail support post (7) and the guard bar (16) are all coated with antirust paint, and the outer walls of the guardrail support post (7) and the guard bar (16) are all sleeved with sponge layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314741.XA CN109972508B (en) | 2019-04-18 | 2019-04-18 | Anti-collision device for highway bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314741.XA CN109972508B (en) | 2019-04-18 | 2019-04-18 | Anti-collision device for highway bridge |
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| Publication Number | Publication Date |
|---|---|
| CN109972508A CN109972508A (en) | 2019-07-05 |
| CN109972508B true CN109972508B (en) | 2021-06-25 |
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| CN201910314741.XA Active CN109972508B (en) | 2019-04-18 | 2019-04-18 | Anti-collision device for highway bridge |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552300B (en) * | 2019-08-16 | 2021-05-28 | 吉林建筑科技学院 | Anticollision barrier with buffer function |
| CN111455842B (en) * | 2020-04-30 | 2022-03-29 | 山东冠县北方管业有限公司 | Bridge guardrail for decomposing vehicle impact force |
| CN112406805A (en) * | 2020-10-11 | 2021-02-26 | 德清创赢机械科技有限公司 | Mechanical cleaning device for vehicle for building |
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| CN115285599B (en) * | 2022-08-05 | 2025-06-06 | 昆明高金金马机电设备有限公司 | A baffle plate of a ore-drawing machine that is easy to install and replace |
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