CN116988409A - Traffic anti-collision guardrail - Google Patents
Traffic anti-collision guardrail Download PDFInfo
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- CN116988409A CN116988409A CN202311124465.3A CN202311124465A CN116988409A CN 116988409 A CN116988409 A CN 116988409A CN 202311124465 A CN202311124465 A CN 202311124465A CN 116988409 A CN116988409 A CN 116988409A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 79
- 239000010959 steel Substances 0.000 claims abstract description 79
- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 238000010521 absorption reaction Methods 0.000 claims abstract description 35
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000005265 energy consumption Methods 0.000 claims description 25
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 20
- 230000004888 barrier function Effects 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000000452 restraining effect Effects 0.000 claims 11
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 230000002349 favourable effect Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
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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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a traffic anti-collision guardrail, which belongs to the technical field of guardrails and comprises a plurality of groups of guardrail posts, wherein a guardrail panel is arranged on one side of each of the plurality of groups of guardrail posts, a supporting mechanism is arranged at the bottom of each guardrail post, and the guardrail posts can relatively deflect around the axis of the supporting mechanism. According to the invention, the energy absorbing mechanism moves to push the energy dissipating plate to slide in the protection box, when the energy dissipating plate moves, the pre-stress steel cable penetrating through the two sides can be extruded through the limit hoop, the pre-stress steel cable can absorb external impact by utilizing self-pulling force, and is beneficial to self-pre-stress to reset after energy absorption contact, so that continuous energy absorption and self-resetting capability under the condition of small impact are improved, the energy absorbing strength is improved by matching the energy absorbing mechanism and the pre-stress steel cable, the energy absorbing protection of a vehicle under the condition of frontal impact is met, the impact is absorbed by the rear pre-stress steel cable and the energy absorbing box, the breaking rate of the guardrail panel is reduced, and the influence on safety caused by outward splashing of the guardrail panel is avoided.
Description
Technical Field
The invention belongs to the technical field of guardrails, and particularly relates to a traffic anti-collision guardrail.
Background
The traffic guardrail is an important traffic safety facility, and is mainly used for maintaining traffic order, preventing pedestrians and vehicles from randomly crossing roads, guaranteeing traffic safety, and ensuring energy absorption effect when the vehicles strike so as to reduce damage to drivers, but after a large amount of energy absorption, the traffic guardrail is broken and broken, and replacement and maintenance are required.
The invention patent with the publication number of CN106012913B discloses a road traffic guardrail capable of buffering and absorbing impact. The connecting part is used for transferring force to the two ends, so that the upper rail or the lower rail is stressed to move relative to the circular pipe stand column, and the upper rail or the lower rail is fixed on the circular pipe stand column. According to the scheme, the upper rail and the lower rail are fixed by the fastening pieces, so that on one hand, the strength of the fastening pieces is high, and the impact resistance of the upper rail and the lower rail is guaranteed; on the other hand, during installation, the upper rail and the lower rail can be fixed relative to the circular tube upright post in a moving mode only by applying force to the connecting part of the fastener, but in actual use, the rotating energy absorbing effect of the upper rail and the lower rail can only adapt to the condition of small-angle contact expansion, so that when the out-of-control vehicle horizontally impacts, the elastic rotating body is impacted by the impact front, fragments are easy to splash, the safety of nearby pedestrians or vehicles is influenced, the impact resistance is dependent on the strength of the upper rail and the lower rail, the energy absorbing effect is weak, and an improvement space exists.
Disclosure of Invention
The invention aims at: the traffic anti-collision guardrail is provided for solving the problems that the elastic rotating body is easy to generate fragments to splash when being impacted by the front side, the safety of nearby pedestrians or vehicles is affected, the impact resistance is dependent on the strength of the elastic rotating body, and the energy absorption effect is weak.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the traffic anti-collision guardrail comprises a plurality of groups of guardrail posts, wherein guardrail panels are arranged on one sides of the plurality of groups of guardrail posts, supporting mechanisms are arranged at the bottoms of the guardrail posts, the guardrail posts can deflect relatively around the axle center of the supporting mechanisms, the supporting mechanisms are connected to the road sides, the tops of the guardrail posts are connected with protection boxes, inner cavities of the protection boxes are connected with energy dissipation mechanisms in a sliding manner, the front sides of the energy dissipation mechanisms are connected with connecting sleeves through the energy absorption mechanisms, and the connecting sleeves are coupled between two adjacent guardrail panels and used for limiting the guardrail panels on the two sides;
the energy dissipation mechanism comprises an energy dissipation plate which is connected in the protection boxes in a sliding way, both ends of both sides of the energy dissipation plate are respectively provided with a limiting hoop, a pre-stress steel cable is arranged in each limiting hoop in a penetrating way, and the protection boxes are connected through the pre-stress steel cable and are used for driving the energy dissipation plate to pull the pre-stress steel cable to absorb energy after absorbing the energy through the guardrail panel.
As a further description of the above technical solution:
the energy consumption board both sides all are connected with the slider, and the protection box both sides have all been seted up and have been supplied slider and the gliding travel groove of prestressing force steel cable, and slider and prestressing force steel cable sliding connection are in the travel inslot of corresponding position for the slip orbit of spacing energy consumption board in the protection box, the energy consumption board both sides all are equipped with the travel limiting plate, are used for the travel angle of spacing energy consumption board through the travel limiting plate, and are close to the travel limiting plate of energy-absorbing mechanism one side and are connected with energy-absorbing mechanism.
As a further description of the above technical solution:
the protection box both sides all are connected with the support sleeve in the outside that corresponds the travel slot, and support sleeve and the terminal hawser end hoop of prestressing force steel cable nest mutually, and hawser end hoop wears to locate outside the travel slot, and the external screw thread has been seted up in the hawser end hoop outside, and hawser end hoop has stop nut through external screw thread connection, and stop nut and support sleeve one side rotate to be connected for drive hawser end hoop removal pulling prestressing force steel cable through stop nut is rotatory.
As a further description of the above technical solution:
the cross section of the limit hoop is arc-shaped, an opening is formed in the bottom side of the limit hoop, mounting blocks are connected to two sides of the opening, and the mounting blocks are connected to the top of the energy consumption plate.
As a further description of the above technical solution:
the energy-absorbing mechanism comprises an energy-absorbing box, a crumple groove is formed in the outer side of the energy-absorbing box, a first fixing plate is connected to one side of the energy-absorbing box, hole site threaded connection or riveting is reserved on the rear side of a connecting sleeve through connecting corner pieces at four corners of the first fixing plate, a second fixing plate is connected to one side, away from the first fixing plate, of the energy-absorbing box, a clamping box is connected to one side of the second fixing plate, and the clamping box is buckled with a buckle connected to one side of a corresponding position stroke limiting plate.
As a further description of the above technical solution:
the supporting mechanism comprises a fixed box and a rotating block, wherein the fixed box is embedded or connected with a reserved position on the side of a road through bolts, a pin rod is arranged in an inner cavity of the fixed box, the rotating block is rotationally connected outside the pin rod, the top of the rotating block is connected with the bottom side of a guardrail column through a supporting seat, the cross section of the rotating block is triangular, two sides of the rotating block are respectively connected with an energy absorbing block, two sides of the inner cavity of the fixed box are respectively connected with an abutting plate, and the rotating block is used for rotationally extruding the bottom side energy absorbing block around the axis of the pin rod to absorb impact.
As a further description of the above technical solution:
the protection box unilateral corresponds two the cover is equipped with restraint mechanism between the prestressing force steel cable, restraint mechanism is including the cover to be established the restraint cover outside two prestressing force steel cables, and restraint cover inner chamber both sides all are connected with the mounting panel, and mounting panel one side sliding connection has two slide bars, and is connected with the restraint board between two slide bars, and the restraint board is laminated mutually with prestressing force steel cable one side, and is connected with the connecting plate between two slide bar ends, and corresponding two slide bar outside cover is equipped with multiunit energy-absorbing plate, and has an energy-absorbing plate at least between mounting panel and the connecting plate for through the lateral shifting of the spacing prestressing force steel cable of restraint board.
As a further description of the above technical solution:
the cross sections of the energy absorbing plate and the restraint plate are arc-shaped, and the restraint plate and the energy absorbing plate are elastic energy absorbing members.
As a further description of the above technical solution:
the restraint board includes two sets of restraint portions of laminating each other, and restraint portion cross-sectional shape is open slot form, and restraint portion opposite surface both sides all are equipped with protruding piece, and pass through first spacing bolt interconnect between the protruding piece.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the invention, when the guardrail panel is impacted, the guardrail panel can drive the rear side energy absorbing mechanism to move, the energy absorbing mechanism can push the energy dissipating plate to slide in the protection box, when the energy dissipating plate moves, the prestress steel cables penetrating through the two sides can be extruded through the limiting hoops, the prestress steel cables can absorb external impact by utilizing self tension, and the prestress steel cables are favorable for resetting after energy absorption contact, so that the continuous energy absorption and self resetting capability under the condition of small impact are improved, and when the impact exceeds a design threshold value, the front side energy absorbing box can absorb energy and crack under stress, so that the energy absorbing strength is improved through the cooperation of the energy absorbing mechanism and the prestress steel cables, the energy absorption protection of a vehicle under the condition of frontal impact is met, the impact is absorbed by the rear side prestress steel cables and the energy absorbing box, the breakage rate of the guardrail panel is reduced, and the influence on the safety caused by outward splashing of the guardrail panel is avoided.
2. According to the invention, through the designed supporting mechanism, when the impact is conducted to the protection box or the guardrail post, the guardrail post can rotate around the pin rod through the bottom rotating block, the rotating block can extrude the inner abutting plate through the energy absorbing block, so that the movement energy can be absorbed through the cooperation of the abutting plate and the energy absorbing block, and the deflected guardrail post can enable the protection box and the inner energy consuming plate to further pull the pre-stressing steel cable, so that the energy absorbing effect can be further improved, the impact of different heights can be conducted to one side of the pre-stressing steel cable through the deflected guardrail, and the traffic protection safety is improved.
3. According to the invention, when the energy consumption plate moves, the movement stability of the energy consumption plate can be improved through sliding the sliding block in the travel groove, the phenomenon that the longitudinal displacement of the energy consumption plate affects the traction stability of the prestressed steel cable is avoided, the limit hoop can be installed in a modularized mode through the bottom installation block and the energy consumption plate, the quick replacement and assembly after the damage are facilitated, the quick replacement of the energy absorption box after the energy absorption damage is facilitated through the buckle and the clamping box, the quick maintenance and recovery capability after the small accident is improved, and the quick replacement and assembly after the damage are facilitated.
4. According to the invention, after the pre-stressing steel cable is plugged and connected through the cable end hoop, the limit nut can be screwed to tighten the pre-stressing steel cable outwards through the cable end hoop, the tensioning force of the pre-stressing steel cable is adjusted, the assembly and maintenance are convenient, meanwhile, when the impact is conducted to the pre-stressing steel cable through external impact, the single-side pre-stressing steel cable transversely moves to the outer side of the other pre-stressing steel cable through the constraint sleeve, the stress conduction is conducted to the two pre-stressing steel cables constrained through the constraint sleeve, the integral impact resistance is improved, the pre-stressing steel cable can drive the sliding rod to move and squeeze the inner side or the outer side of the energy absorbing plate through the constraint plate, and the lateral pressure of the pre-stressing steel cable is further absorbed through the energy absorbing plate, so that the energy absorbing and shock absorbing effects are improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a traffic crash barrier according to the present invention;
FIG. 2 is a schematic side half-sectional view of a traffic crash barrier according to the present invention;
FIG. 3 is an enlarged schematic view of the portion A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged schematic view of the portion B of FIG. 2 according to the present invention;
fig. 5 is a schematic view of a transverse structure of a traffic crash barrier according to the present invention;
FIG. 6 is an enlarged schematic view of the portion C in FIG. 5 according to the present invention;
FIG. 7 is a schematic diagram of an explosion structure of a traffic crash barrier according to the present invention;
FIG. 8 is a schematic diagram of an energy absorbing mechanism of a traffic crash barrier according to the present invention;
fig. 9 is a schematic top view of a traffic crash barrier according to the present invention;
fig. 10 is a schematic rear view of a traffic crash barrier according to the present invention.
Legend description:
1. a guardrail post; 2. a support mechanism; 201. a support base; 202. a rotating block; 203. a fixed box; 204. an abutting plate; 205. an energy absorption block; 3. a protection box; 4. a pre-stressing steel cable; 5. a restraint mechanism; 501. a constraining sleeve; 502. a constraint plate; 503. a slide bar; 504. an energy absorbing plate; 505. a mounting plate; 506. a connecting plate; 507. a first limit bolt; 6. an energy absorbing mechanism; 601. a first fixing plate; 602. connecting the corner pieces; 603. an energy absorption box; 604. a second fixing plate; 605. a cartridge; 606. the second limit bolt; 7. an energy consumption mechanism; 701. an energy consumption plate; 702. a travel limit plate; 703. a slide block; 704. a limit hoop; 705. a mounting block; 8. connecting sleeves; 9. a guardrail panel; 10. a limit nut; 11. a support sleeve; 12. and (5) a cable end hoop.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-10, the present invention provides a technical solution: the utility model provides a traffic anticollision barrier, including multiunit guardrail post 1, and multiunit guardrail post 1 one side is equipped with guardrail panel 9, guardrail post 1 bottom is equipped with supporting mechanism 2, and guardrail post 1 can be around supporting mechanism 2 axle center department relative deflection, and supporting mechanism 2 connects in the road side, and guardrail post 1 top is connected with protection box 3, and protection box 3 inner chamber sliding connection has power consumption mechanism 7, and power consumption mechanism 7 front side is connected with adapter sleeve 8 through energy-absorbing mechanism 6, and adapter sleeve 8 coupling is between two sections adjacent guardrail panels 9, be used for spacing both sides guardrail panel 9;
the energy dissipation mechanism 7 comprises an energy dissipation plate 701 which is slidably connected in the protection boxes 3, wherein both ends of both sides of the energy dissipation plate 701 are respectively provided with a limit hoop 704, a pre-stress steel cable 4 is arranged in the limit hoops 704 in a penetrating way, and the protection boxes 3 are connected through the pre-stress steel cable 4 and are used for driving the energy dissipation plate 701 to pull the pre-stress steel cable 4 to absorb energy after absorbing energy through the guardrail panel 9;
the cross section of the guardrail panel 9 is in an S-shaped wavy shape;
the implementation mode specifically comprises the following steps: when guardrail panel 9 receives the impact, guardrail panel 9 can drive rear side energy-absorbing mechanism 6 and remove, energy-absorbing mechanism 6 removes and can promote power consumption board 701 and slide in protection box 3, can extrude the prestressing force steel cable 4 that both sides wear to establish through spacing hoop 704 when power consumption board 701 removes, prestressing force steel cable 4 can utilize self pulling force to absorb external impact, and do benefit to self prestressing force and restore to the throne after the energy-absorbing contact, be favorable to improving the continuous energy-absorbing under the condition of little impact and from the reset ability, and when the impact surpasses the design threshold value, front side energy-absorbing box 603 can atress energy-absorbing fracture, avoid energy-absorbing impact backward conduction to lead to prestressing force steel cable 4 fracture, be favorable to through the cooperation of energy-absorbing mechanism 6 and prestressing force steel cable 4, improve energy-absorbing intensity, satisfy the energy-absorbing protection to the vehicle under the frontal impact.
In this embodiment, the plurality of pre-stressing cables 4 of the single protection box 3 are horizontally limited by the limiting hoops 704 on both sides of the energy dissipation plate 701, and the pre-stressing cables 4 on both sides of the single protection box 3 extend towards the far end and are connected with the adjacent other protection box 3;
referring to fig. 2-4 and fig. 7 and 8, both sides of the energy dissipation plate 701 are connected with a sliding block 703, both sides of the protection box 3 are provided with travel grooves for sliding the sliding block 703 and the pre-stressing steel cable 4, and the sliding block 703 and the pre-stressing steel cable 4 are slidably connected in the travel grooves at corresponding positions for limiting the sliding track of the energy dissipation plate 701 in the protection box 3;
the two sides of the energy consumption plate 701 are respectively provided with a travel limiting plate 702, the travel angles of the energy consumption plate 701 are limited by the travel limiting plates 702, and the travel limiting plates 702 close to one side of the energy absorption mechanism 6 are connected with the energy absorption mechanism 6;
the outer sides of the corresponding travel grooves on the two sides of the protection box 3 are respectively connected with a support sleeve 11, the support sleeves 11 are nested with cable end hoops 12 at the tail ends of the pre-stressing steel cables 4, the cable end hoops 12 penetrate through the travel grooves, external threads are formed on the outer sides of the cable end hoops 12, the cable end hoops 12 are connected with limit nuts 10 through the external threads, and the limit nuts 10 are rotationally connected with one sides of the support sleeves 11 and are used for driving the cable end hoops 12 to move and pull the pre-stressing steel cables 4 through rotation of the limit nuts 10;
the cross section of the limit hoop 704 is arc-shaped, an opening is formed in the bottom side of the limit hoop 704, mounting blocks 705 are connected to two sides of the opening, and the mounting blocks 705 are connected to the top of the energy consumption plate 701;
the energy absorption mechanism 6 comprises an energy absorption box 603, a crumple groove is formed in the outer side of the energy absorption box 603, a first fixing plate 601 is connected to one side of the energy absorption box 603, the first fixing plate 601 is in threaded connection or riveting with a reserved hole site on the rear side of a connecting sleeve 8 through connecting corner pieces 602 at four corners, one side, far away from the first fixing plate 601, of the energy absorption box 603 is connected with a second fixing plate 604, one side of the second fixing plate 604 is connected with a clamping box 605, and the clamping box 605 is buckled with a buckle connected with one side of a stroke limiting plate 702 at a corresponding position;
the implementation mode specifically comprises the following steps: when the energy consumption plate 701 moves, the movement stability of the energy consumption plate 701 can be improved by sliding the sliding block 703 in the stroke groove, the phenomenon that the longitudinal displacement of the energy consumption plate 701 is caused to influence the traction stability of the pre-stressing steel cable 4 is avoided, the limit clamp 704 can be installed with the energy consumption plate 701 in a modularized mode through the bottom installation block 705, wherein after the energy absorption of the energy absorption box 603 is damaged, the energy absorption box 603 can be quickly replaced through the buckle and the clamping box 605, the quick maintenance recovery capability after a small accident is improved, the quick replacement and assembly after the damage are facilitated, the maximum stroke of the pre-stressing steel cable 4 can be limited through the designed stroke groove, and the damage to the road side caused by the elastic expansion of the pre-stressing steel cable 4 after the energy absorption box 3 is avoided;
furthermore, in order to avoid the difficulty of assembling the pre-stressing steel cable 4 during the assembly, the pre-stressing steel cable 4 can be plugged and connected through the cable end hoop 12 after being penetrated between the protection boxes 3 at the two sides, wherein the connection between the cable end hoop 12 and the pre-stressing steel cable 4 can be performed in a hot melting or riveting mode, and the pre-stressing steel cable 4, the protection boxes 3 and the energy dissipation mechanism 7 can be prefabricated and then be installed and connected so as to improve the installation efficiency;
and through the stop nut 10 and the support cover 11 of design, twist stop nut 10 can be in the tensioning prestressing force steel cable 4 to cable end hoop 12 outside, is favorable to through twisting the nut, adjusts prestressing force steel cable 4's tensioning force, conveniently assembles the maintenance to twist and move spiral shell and support cover 11 can fully laminate the protection box 3 outside under prestressing force steel cable 4's pulling force, in order to guarantee prestressing force steel cable 4's assembly strength and connection efficiency.
In another embodiment, the cartridge 605 and the buckle are in a limited connection by a second limiting bolt 606, so as to improve the connection tightness after the clamping.
Referring to fig. 2-3 and fig. 7, the supporting mechanism 2 includes a fixed box 203 and a rotating block 202, the fixed box 203 is pre-embedded or bolted to a reserved position at the side of the road, a pin is disposed in an inner cavity of the fixed box 203, the rotating block 202 is rotationally connected outside the pin, the top of the rotating block 202 is connected with the bottom side of the guardrail column 1 through a supporting seat 201, the cross section of the rotating block 202 is triangular, two sides of the rotating block 202 are connected with energy absorbing blocks 205, and two sides of the inner cavity of the fixed box 203 are connected with abutting plates 204 for the rotating block 202 to rotationally extrude the bottom side energy absorbing blocks 205 around the axis of the pin to absorb impact.
The implementation mode specifically comprises the following steps: through the supporting mechanism 2 of design, when the striking is conducted to behind the protection box 3 or when striking the guardrail post 1, guardrail post 1 can rotate around the round pin pole through the bottom turning block 202, and the turning block 202 rotates and can extrude inboard butt plate 204 through energy-absorbing block 205 to can carry out the motion energy-absorbing through the cooperation of butt plate 204 and energy-absorbing block 205, and the guardrail post 1 of skew can make protection box 3 and inboard power consumption board 701 further pull prestressing force steel cable 4, thereby can further improve the energy-absorbing effect, is favorable to with the impact conduction of not co-altitude to prestressing force steel cable 4 one side through the guardrail of deflecting, improves traffic protection security.
Referring to fig. 5-6, a constraint mechanism 5 is sleeved between two pre-stressing cables 4 corresponding to the horizontal position, the constraint mechanism 5 comprises a constraint sleeve 501 sleeved outside the two pre-stressing cables 4, two sides of an inner cavity of the constraint sleeve 501 are connected with a mounting plate 505, one side of the mounting plate 505 is connected with two slide bars 503 in a sliding manner, a constraint plate 502 is connected between the two slide bars 503, the constraint plate 502 is attached to one side of the pre-stressing cables 4, a connecting plate 506 is connected between the tail ends of the two slide bars 503, a plurality of groups of energy absorbing plates 504 are sleeved outside the corresponding two slide bars 503, and at least one energy absorbing plate 504 is arranged between the mounting plate 505 and the connecting plate 506 and used for limiting the transverse movement of the pre-stressing cables 4 through the constraint plate 502;
the cross-sectional shapes of the energy absorbing plate 504 and the constraint plate 502 are arc-shaped, the constraint plate 502 and the energy absorbing plate 504 are elastic energy absorbing members, and in the embodiment, the constraint plate 502 and the energy absorbing plate 504 can be rubber or metal damping pieces;
the constraint plate 502 comprises two groups of constraint parts which are mutually attached, the cross section of each constraint part is in an open slot shape, protruding blocks are arranged on two sides of the opposite surfaces of each constraint part, and the protruding blocks are mutually connected through first limit bolts 507.
The implementation mode specifically comprises the following steps: through the restraint mechanism 5 of design, when outside striking is conducted impact to prestressing steel cable 4, unilateral prestressing steel cable 4 lateral movement can be conducted to the opposite side prestressing steel cable 4 outside through restraint cover 501 to can carry out stress conduction through two prestressing steel cables 4 of restraint cover 501 restraint, improve whole shock resistance, and prestressing steel cable 4 can drive slide bar 503 through restraint plate 502 and remove the energy-absorbing plate 504 of extrusion inboard or outside, thereby can further absorb the lateral pressure of prestressing steel cable 4 through energy-absorbing plate 504, be favorable to improving energy-absorbing shock attenuation effect.
Working principle: when the guardrail panel 9 is impacted, the guardrail panel 9 can drive the rear side energy absorption mechanism 6 to move, the energy absorption mechanism 6 can push the energy consumption plate 701 to slide in the protection box 3, when the energy consumption plate 701 moves, the prestress steel cable 4 penetrating through the two sides can be extruded through the limit hoops 704, the prestress steel cable 4 can absorb external impact by utilizing self tension, and the prestress steel cable is favorable for self prestress to reset after energy absorption contact, the front side energy absorption box 603 can bear energy absorption and fracture, and the problem that the prestress steel cable 4 is broken due to backward conduction of the energy absorption impact is avoided;
after the energy absorption of the energy absorption box 603 is damaged, the energy absorption box can be quickly replaced through the buckle and the clamping box 605, so that the quick maintenance recovery capability after a small accident is improved, the quick replacement and assembly after the damage are facilitated, the pre-stressing steel cable 4 is prevented from being assembled in difficulty during the assembly, the pre-stressing steel cable 4 can be plugged and connected through the cable end hoops 12 after being arranged between the protection boxes 3 on the two sides in a penetrating manner, and the pre-stressing steel cable 4 can be tensioned outwards through the designed limit nut 10 and the support sleeve 11 by screwing the limit nut 10, the tensioning force of the pre-stressing steel cable 4 is adjusted by screwing the nut, and the assembly and the maintenance are facilitated;
when the impact is conducted to the protection box 3 or the guardrail post 1, the guardrail post 1 can rotate around the pin rod through the bottom rotating block 202, the rotating block 202 can press the inner abutting plate 204 through the energy absorbing block 205, the energy can be absorbed through the cooperation of the abutting plate 204 and the energy absorbing block 205, and the deflected guardrail post 1 can enable the protection box 3 and the inner energy consumption plate 701 to further pull the pre-stress steel cable 4;
when an external impact conducts impact to the pre-stressing cable 4, the lateral movement of the single-side pre-stressing cable 4 can be conducted to the outer side of the other-side pre-stressing cable 4 through the constraint sleeve 501, the two pre-stressing cables 4 constrained by the constraint sleeve 501 conduct stress, the overall impact resistance is improved, the pre-stressing cable 4 can drive the sliding rod 503 to move and squeeze the inner or outer energy absorbing plate 504 through the constraint plate 502, and therefore the lateral pressure of the pre-stressing cable 4 can be further absorbed through the energy absorbing plate 504.
In the present disclosure, the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a traffic anticollision barrier, includes multiunit guardrail post (1), and multiunit guardrail post (1) one side is equipped with guardrail panel (9), its characterized in that, guardrail post (1) bottom is equipped with supporting mechanism (2), and guardrail post (1) can be around supporting mechanism (2) axle center department relative deflection, and supporting mechanism (2) are connected in the road side, and guardrail post (1) top is connected with protection box (3), and protection box (3) inner chamber sliding connection has power consumption mechanism (7), and power consumption mechanism (7) front side is connected with adapter sleeve (8) through energy-absorbing mechanism (6), and adapter sleeve (8) coupling is between two sections adjacent guardrail panels (9), be used for spacing both sides guardrail panel (9);
the energy dissipation mechanism (7) comprises an energy dissipation plate (701) which is slidably connected in the protection box (3), limit hoops (704) are arranged at two ends of two sides of the energy dissipation plate (701), a prestressed steel cable (4) is arranged in the limit hoops (704) in a penetrating mode, the protection boxes (3) are connected through the prestressed steel cable (4), and the energy dissipation mechanism is used for driving the energy dissipation plate (701) to pull the prestressed steel cable (4) to absorb energy after absorbing energy through the guardrail panel (9).
2. The traffic crash barrier according to claim 1, wherein both sides of the energy consumption plate (701) are connected with a sliding block (703), both sides of the protection box (3) are provided with travel grooves for sliding the sliding block (703) and the pre-stressing steel cable (4), the sliding block (703) and the pre-stressing steel cable (4) are slidably connected in the travel grooves at corresponding positions, the travel grooves are used for limiting the sliding track of the energy consumption plate (701) in the protection box (3), both sides of the energy consumption plate (701) are provided with travel limiting plates (702) for limiting the moving angle of the energy consumption plate (701) through the travel limiting plates (702), and the travel limiting plates (702) close to one side of the energy absorption mechanism (6) are connected with the energy absorption mechanism (6).
3. The traffic crash barrier according to claim 1, wherein the outer sides of the corresponding travel grooves on both sides of the protection box (3) are respectively connected with a support sleeve (11), the support sleeves (11) are nested with cable end hoops (12) at the tail ends of the prestressed steel cables (4), the cable end hoops (12) are arranged outside the travel grooves in a penetrating mode, external threads are arranged on the outer sides of the cable end hoops (12), the cable end hoops (12) are connected with limit nuts (10) through the external threads, the limit nuts (10) are rotatably connected with one sides of the support sleeves (11), and the cable end hoops (12) are driven to move through rotation of the limit nuts (10) to pull the prestressed steel cables (4).
4. The traffic crash barrier according to claim 1, wherein the cross section of the limit clip (704) is arc-shaped, an opening is formed in the bottom side of the limit clip (704), mounting blocks (705) are connected to two sides of the opening, and the mounting blocks (705) are connected to the top of the energy dissipation plate (701).
5. The traffic crash barrier according to claim 1, wherein the energy absorbing mechanism (6) comprises an energy absorbing box (603), a crumple groove is formed in the outer side of the energy absorbing box (603), a first fixing plate (601) is connected to one side of the energy absorbing box (603), the first fixing plate (601) is in threaded connection or riveting with a reserved hole site on the rear side of the connecting sleeve (8) through connecting corner pieces (602) at four corners, one side, far away from the first fixing plate (601), of the energy absorbing box (603) is connected with a second fixing plate (604), one side of the second fixing plate (604) is connected with a clamping box (605), and the clamping box (605) is buckled with a buckle connected to one side of the corresponding position travel limiting plate (702).
6. The traffic crash barrier according to claim 1, wherein the supporting mechanism (2) comprises a fixed box (203) and a rotating block (202), the fixed box (203) is pre-buried to be arranged or connected at a reserved position at the side of a road by bolts, a pin rod is arranged in an inner cavity of the fixed box (203), the rotating block (202) is rotationally connected outside the pin rod, the top of the rotating block (202) is connected with the bottom side of the barrier column (1) through a supporting seat (201), the cross section of the rotating block (202) is triangular, two sides of the rotating block (202) are connected with energy absorbing blocks (205), and two sides of the inner cavity of the fixed box (203) are connected with abutting plates (204) for the rotating block (202) to rotationally extrude the bottom side energy absorbing blocks (205) around the pin rod axis to absorb impact.
7. The traffic anti-collision guardrail according to claim 1, characterized in that a restraining mechanism (5) is sleeved between two pre-stressing cables (4) corresponding to one side of the protection box (3), the restraining mechanism (5) comprises a restraining sleeve (501) sleeved outside the two pre-stressing cables (4), two sides of an inner cavity of the restraining sleeve (501) are connected with a mounting plate (505), one side of the mounting plate (505) is slidably connected with two sliding rods (503), a restraining plate (502) is connected between the two sliding rods (503), the restraining plate (502) is attached to one side of the pre-stressing cables (4), a connecting plate (506) is connected between the tail ends of the two sliding rods (503), a plurality of groups of energy absorbing plates (504) are sleeved outside the corresponding two sliding rods (503), and at least one energy absorbing plate (504) is arranged between the mounting plate (505) and the connecting plate (506) and is used for limiting transverse movement of the pre-stressing cables (4) through the restraining plate (502).
8. The traffic guardrail of claim 7, wherein the energy absorbing plate (504) and the restraint plate (502) are each arcuate in cross-sectional shape, and the restraint plate (502) and the energy absorbing plate (504) are each resilient energy absorbing members.
9. The traffic crash barrier according to claim 7 wherein the restraining plate (502) comprises two groups of restraining portions which are mutually attached, the cross-sectional shape of each restraining portion is in an open slot shape, protruding blocks are arranged on two sides of opposite faces of each restraining portion, and the protruding blocks are connected with each other through first limit bolts (507).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311124465.3A CN116988409A (en) | 2023-09-01 | 2023-09-01 | Traffic anti-collision guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311124465.3A CN116988409A (en) | 2023-09-01 | 2023-09-01 | Traffic anti-collision guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116988409A true CN116988409A (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311124465.3A Pending CN116988409A (en) | 2023-09-01 | 2023-09-01 | Traffic anti-collision guardrail |
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| Country | Link |
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| CN (1) | CN116988409A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118441824A (en) * | 2024-07-08 | 2024-08-06 | 中建五局第三建设有限公司 | Underground building anti-seismic supporting structure |
-
2023
- 2023-09-01 CN CN202311124465.3A patent/CN116988409A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118441824A (en) * | 2024-07-08 | 2024-08-06 | 中建五局第三建设有限公司 | Underground building anti-seismic supporting structure |
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