CN114032815B - Central separation belt anti-collision guardrail device and construction method thereof - Google Patents
Central separation belt anti-collision guardrail device and construction method thereof Download PDFInfo
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- CN114032815B CN114032815B CN202111521562.7A CN202111521562A CN114032815B CN 114032815 B CN114032815 B CN 114032815B CN 202111521562 A CN202111521562 A CN 202111521562A CN 114032815 B CN114032815 B CN 114032815B
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- 230000007246 mechanism Effects 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 238000009417 prefabrication Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 21
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 12
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 7
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
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- 229910052742 iron Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 230000001603 reducing effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0407—Metal rails
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0407—Metal rails
- E01F15/0438—Spacers between rails and posts, e.g. energy-absorbing means
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Abstract
The utility model relates to a central separation zone anticollision barrier device and construction method thereof belongs to the municipal works field, and it includes a plurality of anticollision units that the head and the tail is connected in order, the anticollision unit is supreme including chassis, anticollision frame and vegetation planting frame in proper order down from down, be provided with on the chassis and be used for fixing the chassis at subaerial fixed subassembly, it has anticollision institution to set up two sets of on the anticollision frame, anticollision institution includes anticollision frame, anticollision frame sets up in the anticollision frame, anticollision frame's both sides all distribute along self length direction has a plurality of anticollision subassemblies, anticollision subassembly is including the fixed flexible crash bar that sets up on anticollision frame, the one end that anticollision frame was kept away from to flexible crash bar articulates and is provided with the crashproof board, be provided with the buffering cushion on the crashproof board, be connected with buffer spring between the one end that the pin joint was kept away from to the crashproof board and the anticollision frame. This application can improve the holistic anticollision of anticollision barrier device and energy dissipation effect to reduce the damage that the car received after the striking.
Description
Technical Field
The application relates to the field of municipal engineering, in particular to a central separation zone anti-collision guardrail device and a construction method thereof.
Background
The central division strip refers to a strip-like facility for dividing a roadway, which is provided in the longitudinal direction of the roadway. In order to ensure the driving safety and the functions of the expressway and the first-level highway, a central separation belt is required to be arranged in the middle of the highway. Crash barriers are generally provided on both sides of the central separator.
At present, an iron waveform guardrail is usually adopted as an anti-collision guardrail of a central separation zone, a horizontal anti-collision guardrail plate is a two-wave iron waveform guardrail plate, the height of the guardrail plate is about 30 cm, and a greening vegetation planting area is arranged in the middle of the central separation zone.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the present anticollision barrier device has poor overall anticollision and energy dissipation effects, and can easily cause great automobile damage when an automobile directly collides with the anticollision barrier.
Disclosure of Invention
In order to improve holistic anticollision of anticollision barrier device and energy dissipation effect, this application provides a central authorities' division strip anticollision barrier device.
The utility model provides a central separation area crash barrier device, adopts following technical scheme:
the utility model provides a central authorities' bank note anticollision barrier device, includes a plurality of anticollision units that the head and the tail is connected in order, the frame is planted to supreme chassis, anticollision frame and the vegetation of including in proper order down to the anticollision unit, be provided with on the chassis and be used for fixing the chassis at subaerial fixed subassembly, be provided with two sets of anticollision institution on the anticollision frame, anticollision institution includes the anticollision frame, the anticollision frame sets up in the anticollision frame, the both sides of anticollision frame all distribute along self length direction has a plurality of anticollision subassemblies, the anticollision subassembly is including the fixed flexible crash bar that sets up on the anticollision frame, the one end that the anticollision frame was kept away from to flexible crash bar is articulated to be provided with the crashproof board, be provided with the cushion pad on the crashproof board, the one end that the pin joint was kept away from to the crashproof board is connected with buffer spring between the anticollision frame.
By adopting the technical scheme, when an automobile collides with the anti-collision plate, the buffer cushion block can play a certain role in protecting the automobile, so that the automobile is prevented from being directly and rigidly collided with the anti-collision plate to be damaged to a certain extent, the telescopic anti-collision rod can be contracted to a certain extent, and meanwhile, the buffer spring can be compressed to achieve the energy dissipation effect on the automobile and reduce the speed of the automobile; in the process that the automobile continues to advance under the inertia effect, the plurality of anti-collision assemblies sequentially play an energy dissipation effect to dissipate and buffer the automobile for multiple times, so that the speed of the automobile is reduced to stop.
Optionally, a plurality of anticollision boards all are parallel to each other and the slope sets up in the outside of anticollision frame, and the interval between two adjacent anticollision boards is less than the length of anticollision board.
By adopting the technical scheme, when an automobile collides one of the anticollision plates, the collided anticollision plate can generate certain abutting pressure to the adjacent anticollision plate, and the abutted anticollision plate can generate reverse acting force to the collided anticollision plate under the elastic action of the buffer spring so as to offset partial impact force of the automobile, thereby improving the speed reduction effect on the automobile.
Optionally, flexible crash bar includes first branch, second branch and elastic rubber post, first branch is fixed to be set up on the anticollision frame, the slot has been seted up to the one end that the anticollision frame was kept away from to first branch, second branch sliding connection is in the slot, the one end fixed connection of elastic rubber post is on the diapire of slot, the one end that other end fixed connection is located first branch at second branch, the diameter of elastic rubber post is less than the diameter of slot.
Through adopting above-mentioned technical scheme, when crashproof board was by the automobile striking, crashproof board applyed pressure to flexible crashproof pole, and the second branch removes one section distance in to first branch this moment, and this in-process elastic rubber post takes place certain elastic deformation and compression, can offset partly impact among the compression process promptly to eliminate the impact that partly automobile produced to the direction of perpendicular to anticollision frame.
Optionally, energy-absorbing assemblies are arranged at two ends of the anti-collision frame and comprise a plurality of energy-absorbing springs, and one ends, far away from the anti-collision frame, of the energy-absorbing springs are fixedly connected to the inner end wall of the anti-collision frame.
Through adopting above-mentioned technical scheme, when the car strikes the anticollision subassembly and applys the impact that produces to the direction of advance to the anticollision subassembly, the energy-absorbing spring that is located anticollision frame front end can take place to compress, and the energy-absorbing spring that is located anticollision frame rear end simultaneously can take place to stretch, and the energy-absorbing spring at both ends drives the anticollision frame simultaneously and applys reverse effort to the car to offset some cars to the impact force of direction of advance, reach the speed reduction effect to the car.
Optionally, all be provided with on the both sides wall of anticollision frame and be used for injecing the resistance to compression spare that the width direction of anticollision frame edge removed, resistance to compression spare includes a plurality of arcs along the length direction distribution of anticollision frame, the arc sets up with crashproof subassembly crisscross in proper order, every the arc all is crooked to the direction that is close to anticollision frame.
Through adopting above-mentioned technical scheme, through setting up a plurality of anti-compression spare on the both sides wall at the anticollision frame, when the car collided the anticollision subassembly, the anticollision subassembly exerted pressure to the anticollision frame, kept away from a plurality of arcs of the anticollision subassembly that receives the striking and can produce elastic deformation simultaneously in order to offset partial pressure to avoided the anticollision frame to produce too big displacement to a certain extent, improved overall structure's stability.
Optionally, two adjacent be provided with multiunit coupling assembling between the anticollision frame, coupling assembling includes two connecting seats and an flexure strip, two the connecting seat sets up respectively on two anticollision frames, two the slot has all been seted up to the side that the connecting seat is close to each other, the both ends of flexure strip are inserted respectively and are established in the slot of two connecting seats.
Through adopting above-mentioned technical scheme, multiunit coupling assembling can be connected two adjacent anticollision frames as a whole, and when one of them anticollision frame received great impact, the anticollision frame that is located the anticollision frame the place ahead that receives the striking can play firm effect to the anticollision frame that receives the striking to make the holistic stability of anticollision barrier device strengthened.
Optionally, the elastic piece includes an arc portion and hook portions disposed at two ends of the arc portion, and the depth of the slot is greater than the width of the elastic piece.
Through adopting above-mentioned technical scheme, install the assigned position with adjacent two anticollision units after, do not insert the crotch part at flexure strip both ends and establish the slot on two anticollision units, when the anticollision frame that is located the rear received the striking, a plurality of flexure strips can take place elastic deformation simultaneously, exert backward reaction force to the anticollision frame, further play the deceleration effect to the car, avoided the anticollision frame to produce the displacement when receiving the striking simultaneously to a certain extent.
Optionally, the four corners of the bottom of the vegetation planting frame are provided with inserting rods, and the four corners of the anti-collision frame are provided with inserting holes for the inserting rods to insert.
Through adopting above-mentioned technical scheme, in inserting the spliced pole correspondence on the frame is planted to the vegetation and establishing the spliced eye on the anticollision frame, can plant the frame with the vegetation promptly and install on the anticollision frame, pack earth in the frame is planted to the vegetation, and plant the vegetation in the frame back is planted to the vegetation, the holistic gravity increase of frame is planted to the vegetation, thereby make the anticollision unit have bigger inertia, be difficult for producing the displacement when receiving the striking, the vegetation of planting simultaneously in the frame is planted to the vegetation can avoid the light dazzling that the vehicle caused at night, induced sight and beautify the highway environment.
Optionally, the fixing assembly comprises mounting plates arranged at four corners of the bottom of the underframe, and a plurality of foundation bolts used for fixing the mounting plates on the ground are arranged on the mounting plates.
Through adopting above-mentioned technical scheme, through installing a plurality of rag bolts on the mounting panel subaerial simultaneously to in improve the holistic stability of chassis, further improved the holistic shock resistance of anticollision unit.
In a second aspect, the present application provides a method of constructing a center divider crash barrier assembly, comprising the steps of:
s1, mounting an anti-collision mechanism on an anti-collision frame, and then welding the anti-collision frame on the top of a bottom frame to complete prefabrication of an anti-collision unit;
s2, fixedly installing the underframe on the ground through the fixing assembly to fix the position of a single anti-collision unit;
s3, installing the vegetation planting frame on the top of the anti-collision frame, adding soil into the vegetation planting frame, and planting vegetation in the vegetation planting frame;
and S4, after the installation of one anti-collision unit is completed, continuing to install the next anti-collision unit, and connecting two adjacent anti-collision units after the installation is completed until all the anti-collision units are installed, so as to form the central separation zone anti-collision guardrail device.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the anti-collision frame, the anti-collision frame is arranged in the anti-collision frame, and the two sides of the anti-collision frame are provided with the multiple groups of anti-collision assemblies consisting of the telescopic anti-collision rods, the anti-collision plates, the cushion blocks and the cushion springs; in the process that the automobile continues to advance under the inertia effect, the plurality of anti-collision assemblies sequentially play an energy dissipation role, and perform energy dissipation and buffering on the automobile for multiple times, so that the speed of the automobile is reduced until the automobile stops;
2. the energy absorbing assemblies consisting of the plurality of energy absorbing springs are arranged at the two ends of the anti-collision frame, when an automobile impacts the anti-collision assembly and applies impact force generated towards the advancing direction to the anti-collision assembly, the energy absorbing springs positioned at the front end of the anti-collision frame can be compressed, the energy absorbing springs positioned at the rear end of the anti-collision frame can be stretched, and the energy absorbing springs at the two ends simultaneously drive the anti-collision frame to apply reverse acting force to the automobile so as to offset part of impact force of the automobile towards the advancing direction and achieve the speed reducing effect on the automobile;
3. this application is through setting up a plurality of anti-compression parts on the both sides wall of anticollision frame, and when the car collided the anticollision subassembly, the anticollision subassembly exerted pressure to the anticollision frame, and a plurality of arcs of keeping away from the anticollision subassembly that receives the striking can produce elastic deformation simultaneously in order to offset partial pressure to avoided the anticollision frame to produce too big displacement to a certain extent, improved overall structure's stability.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
Fig. 2 is a schematic view of the structure of a single collision avoidance unit of the present application.
Fig. 3 is a top view of a crash unit of the present application showing the mounting structure of the crash mechanism within the crash frame.
Fig. 4 is a schematic structural view of a bumper assembly according to the present application.
Fig. 5 is a schematic view of the connection assembly of the present application.
Description of reference numerals: 1. a chassis; 11. a fixing assembly; 111. mounting a plate; 112. anchor bolts; 2. an anti-collision frame; 21. a compression resistant part; 211. an arc-shaped plate; 3. a vegetation planting frame; 31. a plug rod; 4. an anti-collision mechanism; 41. an anti-collision frame; 42. an anti-collision assembly; 421. a telescopic bumper bar; 4211. a first support bar; 4212. a second support bar; 4213. an elastic rubber column; 422. an anti-collision plate; 423. buffering cushion blocks; 424. a buffer spring; 43. an energy absorbing assembly; 431. an energy-absorbing spring; 5. a connecting assembly; 51. a connecting seat; 52. an elastic sheet; 521. an arcuate portion; 522. a hook portion.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a central separation zone anti-collision guardrail device, which comprises a plurality of anti-collision units sequentially connected end to end, wherein each anti-collision unit sequentially comprises an underframe 1, an anti-collision frame 2 and a vegetation planting frame 3 from bottom to top, and the bottom of the underframe 1 is provided with a fixing assembly 11 and is fixedly installed on the ground through the fixing assembly 11; the anti-collision frame 2 is welded at the top of the underframe 1, two groups of anti-collision mechanisms 4 are arranged on the anti-collision frame 2, the anti-collision mechanisms 4 at the upper part can have an anti-collision effect on large vehicles such as buses and trucks, and the anti-collision mechanisms 4 at the lower part can have an anti-collision effect on small vehicles; the vegetation planting frame 3 is filled with soil and vegetation is planted in the soil.
Referring to fig. 1 and 2, the fixing assembly 11 includes mounting plates 111 welded to four corners of the bottom of the base frame 1, and anchor bolts 112 for fixing the mounting plates 111 to the ground are inserted into four corners of each mounting plate 111. The plurality of anchor bolts 112 on the mounting plate 111 are simultaneously installed on the ground so as to improve the stability of the entire underframe 1 and thus improve the impact resistance of the entire collision avoidance unit.
Referring to fig. 2, the bottom four corners of frame 3 is planted to the vegetation all is provided with peg graft 31, the spliced eye that supplies peg graft 31 to insert to establish is all seted up in the four corners of anticollision frame 2, insert peg graft 31 one-to-one and establish in the spliced eye, can plant frame 3 stable mounting on anticollision frame 2 with the vegetation promptly, pack earth in frame 3 is planted to the vegetation after the installation, and plant the vegetation in frame 3 is planted to the vegetation, 3 holistic gravity increases of frame are planted to the vegetation this moment, thereby make the anticollision unit have bigger inertia, be difficult for producing the displacement when receiving the striking, the vegetation of planting simultaneously in frame 3 is planted to the vegetation can avoid the light dazzling that the vehicle led to the fact night, induced sight and beautify highway environment.
Referring to fig. 3, fig. 4, anticollision institution 4 includes anticollision frame 41, anticollision frame 41 is installed in anticollision frame 2, anticollision frame 41's both sides all distribute along self length direction has a plurality of anticollision subassemblies 42, the car strikes anticollision subassembly 42 and continues the in-process that gos forward under the inertial action, a plurality of anticollision subassemblies 42 exert the energy dissipation effect in proper order, carry out many times energy dissipation and buffering to the car, anticollision subassembly 42 is including the flexible crash bar 421 of welding on anticollision frame 41, the articulated crashproof board 422 that is provided with of one end that keeps away from anticollision frame 41 of flexible crashproof pole 421, the one side that flexible crashproof pole 421 was kept away from to crashproof board 422 bonds there is buffer cushion 423, crashproof board 422 keeps away from between the one end of pin joint and anticollision frame 2 and is connected with buffer spring 424. The cushion block 423 can avoid the damage caused by the rigid collision between the automobile and the bumper plate 422, the telescopic bumper bar 421 can contract to a certain extent, and the cushion spring 424 can compress to achieve the energy dissipation effect on the automobile and reduce the speed of the automobile.
Referring to fig. 2, the two side walls of the anti-collision frame 2 are respectively provided with a pressure-resistant part 21 for limiting the movement of the anti-collision frame 41 along the width direction of the anti-collision frame 2, the pressure-resistant part 21 comprises a plurality of arc plates 211 distributed along the length direction of the anti-collision frame 2, the arc plates 211 and the anti-collision assemblies 42 are sequentially arranged in a staggered manner, and each arc plate 211 is bent towards the direction close to the anti-collision frame 41. When the car strikes anticollision subassembly 42, anticollision subassembly 42 applys pressure to crashproof frame 2, keeps away from a plurality of arcs 211 that receive the crashproof subassembly 42 of striking and can produce elastic deformation simultaneously in order to offset partial pressure to avoid crashproof frame 2 to a certain extent to produce too big displacement, with improvement overall structure's stability.
Referring to fig. 4, the telescopic crash bar 421 includes a first support rod 4211, a second support rod 4212 and an elastic rubber column 4213, the first support rod 4211 is welded on the crash frame 41, one end of the first support rod 4211 far away from the crash frame 41 is provided with a slot, the second support rod 4212 is slidably connected in the slot, one end of the elastic rubber column 4213 is fixedly connected to the bottom wall of the slot, the other end of the elastic rubber column 4213 is fixedly connected to one end of the second support rod 4212 located in the first support rod 4211, and the diameter of the elastic rubber column 4213 is smaller than that of the slot. When the anti-collision plate 422 is collided by an automobile, the anti-collision plate 422 applies pressure to the telescopic anti-collision rod 421, at the moment, the second support rod 4212 moves a certain distance towards the first support rod 4211, the elastic rubber column 4213 is elastically deformed to be compressed in the process, and part of impact force can be offset in the compression process, so that part of impact force generated by the automobile in the direction perpendicular to the anti-collision frame 2 is eliminated.
Referring to fig. 3 and 4, the plurality of anti-collision plates 422 are parallel to each other and are obliquely disposed outside the anti-collision frame 2, and a distance between two adjacent anti-collision plates 422 is smaller than a length of the anti-collision plates 422. When an automobile collides one of the anticollision plates 422, the collided anticollision plate 422 can generate a certain abutting force against the adjacent anticollision plate 422, and the abutted anticollision plate 422 can generate a reverse acting force to the collided anticollision plate 422 under the elastic force of the buffer spring 424 to offset part of the collision force of the automobile, so that the speed reduction effect on the automobile is improved.
Referring to fig. 3, energy absorbing assemblies 43 composed of a plurality of energy absorbing springs 431 are arranged at both ends of the crash frame 41, one ends of the energy absorbing springs 431 are fixedly connected to the crash frame 41, and the other ends of the energy absorbing springs 431 are fixedly connected to the inner end wall of the crash frame 2. When the automobile impacts the anti-collision assembly 42 and applies an impact force generated towards the advancing direction to the anti-collision assembly 42, the energy-absorbing spring 431 positioned at the front end of the anti-collision frame 41 can be compressed, meanwhile, the energy-absorbing spring 431 positioned at the rear end of the anti-collision frame 41 can be stretched, and the energy-absorbing springs 431 at the two ends drive the anti-collision frame 41 to apply a reverse acting force to the automobile together so as to offset part of the impact force of the automobile towards the advancing direction and achieve the deceleration effect on the automobile.
Referring to fig. 2, fig. 5, install multiunit coupling assembling 5 between two adjacent anticollision frames 2 to in being connected two adjacent anticollision frames 2 as a whole, coupling assembling 5 includes two connecting seats 51 and an flexure strip 52, two connecting seats 51 weld respectively on two anticollision frames 2, the degree of depth that supplies flexure strip 52 to insert the slot of establishing and slot is greater than the width of flexure strip 52 all is offered to the side that two connecting seats 51 are close to each other, in order to improve the stability after the flexure strip 52 installation. The elastic piece 52 includes an arc portion 521 and hook portions 522 located at both ends of the arc portion 521, and the hook portions 522 at both ends are respectively inserted into the insertion grooves of the two connecting seats 51. When one of them anticollision frame 2 received great impact, elastic deformation can take place simultaneously for the arc portion 521 of a plurality of flexure strips 52, applys backward reaction force to anticollision frame 2, further plays the deceleration to the car, has avoided anticollision frame 2 to a certain extent to produce the displacement when receiving the striking simultaneously.
The implementation principle of the central separation zone anti-collision guardrail device in the embodiment of the application is as follows: when an automobile collides with the anti-collision plate 422, the buffer cushion block 423 can protect the automobile to a certain extent, so that the automobile is prevented from being damaged due to direct rigid collision with the anti-collision plate 422 to a certain extent, the telescopic anti-collision rod 421 can contract to a certain extent, and meanwhile, the buffer spring 424 can be compressed, so that the energy dissipation effect on the automobile is achieved, and the speed of the automobile is reduced; in the process that the automobile continues to advance under the inertia effect, the plurality of anti-collision assemblies 42 sequentially play an energy dissipation effect to dissipate and buffer the automobile for multiple times, so that the speed of the automobile is reduced to stop.
The embodiment of the application also discloses a construction method of the central separation zone anti-collision guardrail device, which comprises the following steps:
s1, mounting an anti-collision mechanism 4 on an anti-collision frame 2, and then welding the anti-collision frame 2 on the top of an underframe 1 to complete prefabrication of an anti-collision unit;
s2, fixedly installing the underframe 1 on the ground through the fixing assembly 11 to fix the position of a single anti-collision unit;
s3, installing the vegetation planting frame 3 on the top of the anti-collision frame 2, adding soil into the vegetation planting frame 3, and planting vegetation in the vegetation planting frame 3;
and S4, after the installation of one anti-collision unit is completed, continuously installing the next anti-collision unit, and connecting two adjacent anti-collision units after the installation is completed until all the anti-collision units are installed, so as to form the central separation zone anti-collision guardrail device.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a central separation area crash barrier device which characterized in that: comprises a plurality of anti-collision units which are sequentially connected end to end, the anti-collision units sequentially comprise a chassis (1), an anti-collision frame (2) and a vegetation planting frame (3) from bottom to top, a fixed component (11) for fixing the chassis (1) on the ground is arranged on the chassis (1), two groups of anti-collision mechanisms (4) are arranged on the anti-collision frame (2), each anti-collision mechanism (4) comprises an anti-collision frame (41), the anti-collision frames (41) are arranged in the anti-collision frame (2), a plurality of anti-collision components (42) are distributed on the two sides of each anti-collision frame (41) along the length direction of the anti-collision frame, each anti-collision component (42) comprises a telescopic anti-collision rod (421) fixedly arranged on the anti-collision frame (41), one end, far away from the anti-collision frame (41), of each telescopic anti-collision rod (421) is hinged to be provided with an anti-collision plate (422), each anti-collision plate (423) is provided on each anti-collision plate (422), one end, far away from a hinge joint of each anti-collision plate (422) is connected with a buffer spring (424) between the two side walls of the anti-collision frame (2), each anti-collision plate (211) and the anti-collision frame (21) comprises a plurality of anti-collision plates (211) which are arranged along the anti-collision frame (21) and are staggered along the length direction, each arc-shaped plate (211) is bent towards the direction close to the anti-collision frame (41); the anti-collision plates (422) are parallel to each other and are obliquely arranged outside the anti-collision frame (2), and the distance between every two adjacent anti-collision plates (422) is smaller than the length of the anti-collision plates (422); energy absorbing assemblies (43) are arranged at two ends of the anti-collision frame (41), each energy absorbing assembly (43) comprises a plurality of energy absorbing springs (431), and one ends, far away from the anti-collision frame (41), of the energy absorbing springs (431) are fixedly connected to the inner end wall of the anti-collision frame (2).
2. A center divider crash barrier according to claim 1, wherein: flexible crash bar (421) include first branch (4211), second branch (4212) and elastic rubber post (4213), first branch (4211) are fixed to be set up on anticollision frame (41), the slot has been seted up to the one end that anticollision frame (41) were kept away from in first branch (4211), second branch (4212) sliding connection is in the slot, the one end fixed connection of elastic rubber post (4213) is on the diapire of slot, the one end that other end fixed connection is located first branch (4211) in second branch (4212), the diameter of elastic rubber post (4213) is less than the diameter of slot.
3. A center divider crash barrier according to claim 1, wherein: adjacent two be provided with multiunit coupling assembling (5) between crashproof frame (2), coupling assembling (5) include two connecting seats (51) and an flexure strip (52), two connecting seat (51) set up respectively on two crashproof frames (2), two the slot has all been seted up to the side that connecting seat (51) are close to each other, insert respectively at the both ends of flexure strip (52) and establish in the slot of two connecting seats (51).
4. A center divider crash barrier according to claim 3, wherein: the elastic piece (52) comprises an arc-shaped part (521) and hook parts (522) arranged at two ends of the arc-shaped part (521), and the depth of the slot is larger than the width of the elastic piece (52).
5. A center divider crash barrier according to claim 1, wherein: the four corners of the bottom of the vegetation planting frame (3) are provided with inserting rods (31), and the four corners of the anti-collision frame (2) are provided with inserting holes for the inserting rods (31) to insert.
6. A center divider crash barrier according to claim 1, wherein: the fixing component (11) comprises mounting plates (111) arranged at four corners of the bottom of the chassis (1), and a plurality of foundation bolts (112) used for fixing the mounting plates (111) on the ground are arranged on the mounting plates (111).
7. A method of constructing a center divider crash barrier according to any one of claims 1-6, comprising the steps of:
s1, installing an anti-collision mechanism (4) on an anti-collision frame (2), and then welding the anti-collision frame (2) on the top of an underframe (1) to complete prefabrication of an anti-collision unit;
s2, fixedly installing the underframe (1) on the ground through the fixing assembly (11) to fix the position of a single anti-collision unit;
s3, installing the vegetation planting frame (3) on the top of the anti-collision frame (2), adding soil into the vegetation planting frame (3), and then planting vegetation in the vegetation planting frame (3);
and S4, after the installation of one anti-collision unit is completed, continuously installing the next anti-collision unit, and connecting two adjacent anti-collision units after the installation is completed until all the anti-collision units are installed, so as to form the central separation zone anti-collision guardrail device.
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| CN114810896B (en) * | 2022-06-23 | 2022-09-16 | 苏州精衡科技有限公司 | Energy absorption module based on porous foam metal |
| CN117145295B (en) * | 2023-10-31 | 2024-01-30 | 广东凯天骏景观艺术有限公司 | Engineering construction isolating device |
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Address after: 610041 No.2, 1st floor, building 4, No.11, Wuke East 4th Road, Wuhou District, Chengdu City, Sichuan Province Patentee after: Sichuan Road and Bridge Expressway Maintenance Co.,Ltd. Country or region after: China Address before: 610041 No.2, 1st floor, building 4, No.11, Wuke East 4th Road, Wuhou District, Chengdu City, Sichuan Province Patentee before: Sichuan Road and Bridge Construction Group Traffic Engineering Co.,Ltd. Country or region before: China |