CN111321683A - Fast assembly type highway buffering guardrail - Google Patents
Fast assembly type highway buffering guardrail Download PDFInfo
- Publication number
- CN111321683A CN111321683A CN202010205583.7A CN202010205583A CN111321683A CN 111321683 A CN111321683 A CN 111321683A CN 202010205583 A CN202010205583 A CN 202010205583A CN 111321683 A CN111321683 A CN 111321683A
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- Prior art keywords
- guardrail
- elastic buffer
- sub
- cylinders
- shaped
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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
- E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
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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
- E01F15/08—Continuous barriers extending along roads or between traffic lanes essentially made of walls or wall-like elements ; Cable-linked blocks
- E01F15/088—Details of element connection
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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
- F16F15/04—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 using elastic means
Abstract
The invention discloses a rapid assembly type highway buffer guardrail, which comprises: the bases are uniformly arranged on two sides of the expressway at intervals; the upper surface of any one of the bases is provided with a strip-shaped accommodating groove and a sliding baffle; the plurality of upright columns are arranged in one-to-one correspondence with the plurality of bases; the elastic buffer cylinders are hollow cylinders with openings at two ends, and are sleeved on the stand columns in a one-to-one correspondence manner; and the guardrail plate is transversely hung on the outer side walls of the elastic buffer cylinders on one side facing the highway pavement. According to the buffering guardrail, the bases, the pillars, the elastic buffering cylinders and the guardrail plate are reasonably arranged, so that the buffering guardrail for the highway is quickly assembled, and the structures of the elastic buffering cylinders and the guardrail plate have good buffering and energy absorbing effects.
Description
Technical Field
The invention relates to the technical field of guardrails, in particular to a rapid assembly type highway buffering guardrail.
Background
With the mass construction of highways, urban interchange and the like and the great increase of the global automobile holding capacity, the incidence rate of traffic accidents also shows an increasing trend. At present, protective devices on two sides of a highway mainly comprise an upright post and a guardrail plate positioned on the upper portion of the upright post, the upright post and the guardrail plate are made of rigid materials, an automobile can only damage and absorb energy by means of deformation of the guardrail plate when colliding with the guardrail plate, and the deformation capacity and the energy absorption capacity are limited. And the guardrail plate is easy to break under the impact action of the automobile, and is easy to cause secondary damage to the safety of the automobile and crewmembers. In addition, when the guardrail plate is seriously damaged due to traffic accidents, the guardrail plate is time-consuming and labor-consuming to install due to structural limitation, is high in labor intensity and low in working efficiency, cannot ensure the safety of other vehicles, and directly influences the attractiveness of the road surface.
In summary, a guard rail which is fast to install and good in energy absorption and buffering effects is urgently needed.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide a rapid assembly type highway buffering guardrail, which realizes rapid assembly of the highway buffering guardrail through a plurality of bases, a plurality of pillars, a plurality of elastic buffering cylinders and a guardrail plate which are reasonably arranged, and the structures of the elastic buffering cylinders and the guardrail plate have good buffering and energy absorbing effects.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a rapid-assemble highway bumper rail comprising:
the bases are uniformly arranged on two sides of the expressway at intervals; the upper surface of any one of the bases is provided with a strip-shaped accommodating groove; the sliding baffle is arranged on the opening of the strip-shaped accommodating groove in a sliding manner, and a bayonet is formed in the sliding baffle; a pair of fins respectively arranged on both sides of the sliding baffle; the pair of fins is detachably connected with the base through threads;
the sliding blocks are detachably embedded in the strip-shaped accommodating grooves, and the upright columns extend upwards from the bayonets of the sliding baffle; the lower surface of the sliding baffle abuts against the upper surface of the sliding block; the opening width of the bayonet is smaller than that of the sliding block;
the elastic buffer cylinders are hollow cylinders with openings at two ends, and are sleeved on the stand columns in a one-to-one correspondence manner; any elastic buffer cylinder also comprises at least two elongated hanging rings which are vertically arranged on the outer side wall of any elastic buffer cylinder in an embedded manner through riveting pieces; the buffer net is accommodated in the inner cavity of the elastic buffer cylinder, one end of the buffer net is fixed on the cavity wall of the inner cavity of the elastic buffer cylinder, and the other end of the buffer net is connected to the riveting piece; and
the guardrail plate is transversely hung on the outer side walls of the elastic buffer cylinders on one side facing the highway pavement and comprises a plurality of sub guardrail plates, two ends of any sub guardrail plate are respectively hung on at least two long strip-shaped hanging rings of two adjacent elastic buffer cylinders, and each sub guardrail plate also comprises a sub guardrail plate main body and two end heads positioned at two ends of the sub guardrail plate main body, wherein the sub guardrail plate main body is elastically connected through a spring; the length of any one guardrail plate is less than the distance between two adjacent elastic buffer cylinders.
In a preferred scheme, any one of the two end heads comprises a hook part and a cap part which are connected end to end, and the hook part is detachably fixed on a long strip-shaped hanging ring; and the cap part is sleeved on one end of the sub guardrail main body, and one end of the sub guardrail main body is elastically connected with the inner side wall of the cap part through a built-in spring.
In a preferable scheme, the difference value between the length of any sub-guardrail plate and the distance between two adjacent elastic buffer cylinders is not more than 15 cm;
the length of the strip-shaped accommodating groove is not more than 50 cm.
In a preferable scheme, the sliding baffle comprises a pair of plate bodies with notches, the notches of the pair of plate bodies with notches are oppositely spliced to form the bayonet, and the pair of plate bodies relatively and independently slide on the opening of the strip-shaped accommodating groove.
In a preferred scheme, the base is integrally cast and molded by concrete;
the strip-shaped accommodating groove is a prefabricated steel plate groove body and is embedded into the upper surface of the base when the base is poured;
the sliding baffle is made of metal materials, and the length of the sliding baffle is less than or equal to 30 cm.
In a preferred embodiment, each of the elastic buffer cylinders further includes:
the interlayer is axially arranged in a hollow cavity of any elastic buffer cylinder so as to form an annular accommodating space I and an annular accommodating space II which are relatively independent in the axial direction in the elastic buffer cylinder, wherein the annular accommodating space I positioned on the outer side is filled with water; the annular accommodating space II positioned on the inner side accommodates the buffer net;
the pore channel is a strip-shaped hole which is formed by inwards sinking from the outer side wall of the elastic buffer cylinder to the interlayer and penetrating to the annular accommodating space II, and the pore channel is not communicated with the annular accommodating space I; the other end of the buffer net passes through the pore passage and is connected to the riveting piece.
In a preferred embodiment, the rivet further includes:
the arc-shaped plate body is detachably buckled on the pore passage, and the outer side wall of the arc-shaped plate body is provided with a long strip-shaped hanging ring; and
one end of each hook is fixed at the position, right opposite to the hole channel, of the arc-shaped plate body, the front ends of the hooks extend into the hole channel, and the other end of the buffer net is connected to the front ends of the hooks.
In a preferred scheme, the sub-guardrail plate main body is of a frame structure; the sub-guardrail plate main body further comprises:
the longitudinal rods are vertically arranged in the strip-shaped accommodating space of the frame structure at uniform intervals, and the upper end and the lower end of each longitudinal rod are respectively fixed on the frame structure; any longitudinal rod also comprises at least three hollow spheres which are connected in series, and two adjacent hollow spheres on any longitudinal rod are communicated through a hollow transition shaft; the inner cavities of at least three hollow spheres of any longitudinal rod are communicated with the inner cavity of the hollow transition shaft; each sphere comprises a compression ball which is formed by compressing corrugated pipes with unequal cross-section diameters; a plurality of tie bars which are dispersed and vertically wrapped on the compression ball body; and
the guide cylinders are rotatably sleeved on the transition shaft sleeve, and the diameter of the cross section of any guide cylinder is larger than that of the compression ball body.
In a preferred embodiment, any longitudinal rod is filled with rubber particles, clay or sand.
In a preferred scheme, the cross section of any elastic buffer cylinder body is a rounded triangle, and the side wall where the bottom edge of the rounded triangle is located is in an arc shape and protrudes outwards; the side wall which is arc-shaped and protrudes outwards is over against the highway pavement.
The invention at least comprises the following beneficial effects:
the long strip-shaped accommodating groove is used for installing and fixing the stand column, the sliding baffle is used for clamping the stand column, and the stand column is fixed through threaded connection; the base is detachably connected with the upright post, so that the upright post can be conveniently and quickly replaced when the upright post is damaged; the positions of the upright columns of the existing highway guardrail are fixed and cannot be adjusted;
the quantity of the stand columns is set according to the setting requirements of different road sections, the road sections with dense traffic accidents are provided, and more stand columns are arranged, so that the condition that vehicles turn over or rush out of the road surface in the traffic accident process is better avoided.
The guardrail plate is indirectly connected with the upright post through the elastic buffer cylinders, and the elastic buffer cylinders are of hollow cylinder structures, so that direct collision of vehicles on the upright post can be effectively avoided, the buffering and energy-absorbing effects are improved, and the upright post can be prevented from being damaged;
a plurality of elastic buffer cylinders are directly sleeved on the stand column in a sleeving mode, and the installation or the replacement is very convenient, so that the working efficiency is improved. When the vehicle impacts the elastic buffer cylinder or the joint of the elastic buffer cylinder and the guardrail plate to cause the riveting piece to fall off from the elastic buffer cylinder, the buffer net is dragged out of the elastic buffer cylinder by the fallen riveting piece, so that the vehicle can be stopped continuously, the vehicle is prevented from rushing out of the road surface, and casualties are reduced;
the sub-guardrail plate main body and the two ends positioned at the two ends of the sub-guardrail plate main body are elastically connected through the spring to form the sub-guardrail plate, so that the length of the sub-guardrail plate is adjustable, the length of the sub-guardrail plate is slightly smaller than the distance between the two adjacent elastic buffer cylinders, the spring on the sub-guardrail plate can be properly tightened, and the overall elasticity and energy absorption effect of the sub-guardrail plate are improved.
To sum up, the utility model provides a rapid Assembly formula highway buffering guardrail realizes highway buffering guardrail's rapid Assembly through a plurality of bases, a plurality of pillar, a plurality of elastic buffer section of thick bamboo and the guardrail board of reasonable setting to the structure of a plurality of elastic buffer section of thick bamboos and guardrail board has good buffering energy-absorbing effect.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic cross-sectional view of any one of the bases according to one embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of any one of the bases and the posts thereon according to one embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of part A of FIG. 2;
FIG. 4 is a schematic cross-sectional view of a base, a column and a resilient cushion cylinder on the base according to an embodiment of the present invention;
FIG. 5 is a schematic front view of the buffering guard rail of the fast-assembling type highway in accordance with one embodiment of the present invention, wherein the ground surface is a sectional view;
FIG. 6 is a perspective view of part A of FIG. 5;
FIG. 7 is a cross-sectional view of an embodiment of an elastic buffer tube and a post sleeved with the elastic buffer tube;
FIG. 8 is a schematic front view of a sub-fence panel body according to an embodiment of the present invention;
FIG. 9 is a perspective view of the portion B of FIG. 8;
FIG. 10 is a schematic diagram of a front view of a hollow sphere according to an embodiment of the present invention;
FIG. 11 is a cross-sectional view of an embodiment of an elastic buffer tube and a post sleeved with the elastic buffer tube.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 5, the present invention provides a fast-assembling type buffering guardrail for a highway, comprising:
a plurality of pedestals 10 which are uniformly spaced apart on both sides of the expressway; the lower parts of the plurality of bases are embedded below the ground 100 through a conical or cylindrical structure so as to be fixed; or directly applying cement concrete for pouring and molding when the highway is trimmed; the upper surface of any one of the bases is provided with a strip-shaped accommodating groove 101; the sliding baffle plate 102 is arranged on the opening of the strip-shaped accommodating groove in a sliding manner, and a bayonet is formed in the sliding baffle plate; a pair of fins 103 provided on both sides of the slide shutter; the pair of fins is detachably connected with the base through threads;
the upright columns 20 are arranged in one-to-one correspondence with the bases, the lower end of any upright column is integrally formed into a sliding block 201, the sliding block is detachably embedded in the strip-shaped accommodating groove, and the upright columns extend upwards from bayonets of the sliding baffle plates; the lower surface of the sliding baffle abuts against the upper surface of the sliding block; the opening width of the bayonet is smaller than that of the sliding block;
a plurality of elastic buffer cylinders 30 which are hollow cylinders with openings at two ends, and are sleeved on the plurality of stand columns in a one-to-one correspondence manner; any elastic buffer cylinder also comprises at least two strip-shaped hanging rings 301 which are vertically arranged on the outer side wall of any elastic buffer cylinder in an embedded manner through riveting pieces 303 respectively; the buffer net 302 is accommodated in the inner cavity of the elastic buffer cylinder, one end of the buffer net is fixed on the cavity wall of the inner cavity of the elastic buffer cylinder, and the other end of the buffer net is connected to the riveting piece;
and
the guardrail plate is transversely hung on the outer side walls of the elastic buffer cylinders on one side facing the highway pavement and comprises a plurality of sub guardrail plates 40, two ends of any sub guardrail plate are respectively hung on at least two long strip-shaped hanging rings of two adjacent elastic buffer cylinders, and each sub guardrail plate further comprises a sub guardrail plate main body 401 and two end heads 402 positioned at two ends of the sub guardrail plate main body, wherein the sub guardrail plate main body 401 is elastically connected through a spring; the length of the two long strip-shaped hanging rings is greater than 1/2 of the height of the elastic buffer cylinder so as to effectively fix the Finnish plate; the length of any one guardrail plate is less than the distance between two adjacent elastic buffer cylinders.
In the scheme, the strip-shaped accommodating groove is used for installing and fixing the stand column, the sliding baffle is used for clamping the stand column, and the stand column is fixed through threaded connection; the base is detachably connected with the upright post, so that the upright post can be conveniently and quickly replaced when the upright post is damaged; the positions of the upright columns of the existing highway guardrail are fixed and cannot be adjusted; in this scheme, because of being provided with rectangular shape holding tank and slide damper, if the position of stand is adjusted to needs, the accessible slider slides to the assigned position in rectangular shape holding tank, later, adopt slide damper again block and fix can. The quantity of the stand columns can be set according to the setting requirements of different road sections, the road sections with dense traffic accidents are provided, and more stand columns are arranged, so that the condition that vehicles turn over or rush out of the road surface in the traffic accident process can be better avoided. The guardrail plate is indirectly connected with the upright post through the elastic buffer cylinders, and the elastic buffer cylinders are of hollow cylinder structures, so that direct collision of vehicles on the upright post can be effectively avoided, the buffering and energy-absorbing effects are improved, and the upright post can be prevented from being damaged; a plurality of elastic buffer cylinders are directly sleeved on the stand column in a sleeving mode, and the installation or the replacement is very convenient, so that the working efficiency is improved. When the vehicle impacts the elastic buffer cylinder or the joint of the elastic buffer cylinder and the guardrail plate, and the riveting piece falls off from the elastic buffer cylinder, the buffer net is dragged out of the elastic buffer cylinder by the falling riveting piece, so that the vehicle can be continuously stopped, the vehicle is prevented from rushing out of the road surface, and casualties are reduced. The length of the buffer net can be set to be 30cm, 40cm, 50cm, 60cm, 70cm or 80cm according to requirements; the width is 30cm, 40cm or 50 cm; the sub-guardrail plate main body and the two ends positioned at the two ends of the sub-guardrail plate main body are elastically connected through the spring to form the sub-guardrail plate, so that the length of the sub-guardrail plate is adjustable, the length of the sub-guardrail plate is slightly smaller than the distance between the two adjacent elastic buffer cylinders, the spring on the sub-guardrail plate can be properly tightened, and the overall elasticity and energy absorption effect of the sub-guardrail plate are improved.
To sum up, the utility model provides a rapid Assembly formula highway buffering guardrail realizes highway buffering guardrail's rapid Assembly through a plurality of bases, a plurality of pillar, a plurality of elastic buffer section of thick bamboo and the guardrail board of reasonable setting to the structure of a plurality of elastic buffer section of thick bamboos and guardrail board has good buffering energy-absorbing effect.
As shown in fig. 6, in a preferred embodiment, any one of the two end heads includes a hook 4021 and a cap 4022 which are connected end to end, and the hook is detachably fixed to an elongated suspension ring; the cap portion is sleeved on one end of the sub guardrail body, and one end of the sub guardrail body is elastically connected with the inner side wall of the cap portion through the built-in spring 4023. The springs are stainless steel springs, the wire diameter is 2mm, 3mm or 4mm, the length is 10cm, 20cm or 30cm, and in order to improve the elastic connection performance between the cap part and the sub-guardrail plate, a group of 3 springs, 4 springs or 5 springs can be arranged for elastic connection. The length of the overlap between the cap and one end of the sub guard rail body is adapted to the length of the spring in its most stretched state when the spring is in its non-deformed state.
In a preferable scheme, the difference value between the length of any sub-guardrail plate and the distance between two adjacent elastic buffer cylinders is not more than 15 cm; for example, the following may be: 5cm, 8cm, 10cm, 12cm or 15 cm;
the length of the strip-shaped accommodating groove is not more than 50 cm. The length of the long strip-shaped accommodating groove is 30cm, 40cm or 50 cm.
In a preferable scheme, the sliding baffle comprises a pair of plate bodies with notches, the notches of the pair of plate bodies with notches are oppositely spliced to form the bayonet, and the pair of plate bodies relatively and independently slide on the opening of the strip-shaped accommodating groove. The pair of plate bodies are arranged in a relatively independent sliding mode, so that the stand column can be conveniently placed and fixed, and the position of the stand column on the strip-shaped accommodating groove can be adjusted.
In a preferred scheme, the base is integrally cast and molded by concrete;
the strip-shaped accommodating groove is a prefabricated steel plate groove body and is embedded into the upper surface of the base when the base is poured;
the sliding baffle is made of metal materials, and the length of the sliding baffle is less than or equal to 30 cm. The prefabricated steel plate groove body and the sliding baffle made of metal can effectively fix the stand column, and the stand column can be made of cement concrete reinforcing steel bars or metal. The diameter of the upright post is less than 10cm, such as 5cm, 7cm, 8cm or 9 cm; in order to fix the elastic buffer cylinder conveniently, the cross section of the upright post can be irregular.
As shown in fig. 7, in a preferred embodiment, each of the elastic buffer cylinders further includes:
the interlayer 304 is axially arranged in a hollow cavity of any elastic buffer cylinder so as to form an annular accommodating space I3041 and an annular accommodating space II 3042 which are relatively independent in the axial direction in the elastic buffer cylinder, wherein the annular accommodating space I positioned on the outer side is filled with water; the annular accommodating space II positioned on the inner side accommodates the buffer net;
the pore channel 305 is a strip-shaped hole which is formed by sinking from the outer side wall of the elastic buffer cylinder to the interlayer and penetrating to the annular accommodating space II, and is not communicated with the annular accommodating space I; the other end of the buffer net passes through the pore passage and is connected to the riveting piece. The elastic buffer cylinder is set to be a double-layer buffer structure, and a buffer net is arranged in the elastic buffer cylinder, so that the connection relation between the elastic buffer cylinder and the guardrail is adjusted to be a hard connection and soft connection dual connection mode, and the durability of the guardrail is improved while the buffering energy absorption is realized.
As shown in fig. 7, in a preferred embodiment, the rivet further includes:
the arc-shaped plate body 3031 is detachably buckled on the pore channel, and the outer side wall of the arc-shaped plate body is provided with a long strip-shaped hanging ring; and
and one end of each of the at least two hooks 3032 is fixed at the position of the arc-shaped plate body, which is opposite to the pore channel, the front ends of the at least two hooks extend into the pore channel, and the other end of the buffer net is connected to the front ends of the at least two hooks. At least two hooks are arranged up and down along the pore passage so as to effectively unfold the buffer net and play the dual effects of connection and interception.
As shown in fig. 8, 9 and 10, in a preferred embodiment, the sub-guardrail plate main body is a frame structure; the sub-guardrail plate main body further comprises:
the longitudinal rods are vertically arranged in the strip-shaped accommodating space of the frame structure at uniform intervals, and the upper end and the lower end of each longitudinal rod are respectively fixed on the frame structure; any longitudinal rod further comprises at least three hollow spheres 4011 which are connected in series, and two adjacent hollow spheres on any longitudinal rod are communicated through a hollow transition shaft 4012; the inner cavities of at least three hollow spheres of any longitudinal rod are communicated with the inner cavity of the hollow transition shaft; each sphere comprises a compression ball which is formed by compressing corrugated pipes with unequal cross-section diameters; a plurality of tie bars 4013 which are vertically wrapped and arranged on the compression ball body in a dispersed manner; and
a plurality of guide cylinders 4014, which are rotatably sleeved on the transition shaft sleeve, and the diameter of the cross section of any guide cylinder is larger than that of the compression ball. The longitudinal rod is formed by connecting a compression ball and a hollow transition shaft, so that on one hand, the compression ball supports a plurality of guide barrels, the guide barrels can rotate during slight rubbing to change the direction of a vehicle or reduce the speed and absorb energy, and further the accident occurrence probability is reduced, on the other hand, when the vehicle cannot be steered through the guide of the guide barrels after severe collision occurs, the compression ball on the longitudinal rod is elongated into a pipe body with unequal cross section diameters under the action of external force, the energy absorption effect is achieved in the deformation process of the pipe body, meanwhile, the vehicle is further stopped, and the vehicle is prevented from rushing out of a highway. The plurality of lacing wires are beneficial to maintaining the shape of the compression ball, and ensure that the longitudinal rod does not generate excessive deformation when the longitudinal rod is slightly scratched or collided.
In a preferred embodiment, any longitudinal rod is filled with rubber particles, clay or sand. Rubber particles, clay or sand filled in any longitudinal rod can effectively support the longitudinal rod to keep the longitudinal rod in a vertical bead stringing state, and a certain anti-impact effect is achieved when the longitudinal rod is slightly scratched or collided; when the impact is caused by a large external force, the longitudinal rod is not influenced to be stretched and absorb energy.
As shown in fig. 11, in a preferred embodiment, the cross section of any elastic buffer cylinder is a rounded triangle, and the side wall where the bottom edge of the rounded triangle is located is in an arc shape and protrudes outwards; the arc-shaped side wall protruding outwards is right opposite to the highway pavement, and the upright columns are arranged close to the top corners. The buffering energy-absorbing surface faces the highway pavement, and the energy-absorbing effect is further improved.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a rapid Assembly formula highway buffering guardrail which characterized in that includes:
the bases are uniformly arranged on two sides of the expressway at intervals; the upper surface of any one of the bases is provided with a strip-shaped accommodating groove; the sliding baffle is arranged on the opening of the strip-shaped accommodating groove in a sliding manner, and a bayonet is formed in the sliding baffle; a pair of fins respectively arranged on both sides of the sliding baffle; the pair of fins is detachably connected with the base through threads;
the sliding blocks are detachably embedded in the strip-shaped accommodating grooves, and the upright columns extend upwards from the bayonets of the sliding baffle; the lower surface of the sliding baffle abuts against the upper surface of the sliding block; the opening width of the bayonet is smaller than that of the sliding block;
the elastic buffer cylinders are hollow cylinders with openings at two ends, and are sleeved on the stand columns in a one-to-one correspondence manner; any elastic buffer cylinder also comprises at least two elongated hanging rings which are vertically arranged on the outer side wall of any elastic buffer cylinder in an embedded manner through riveting pieces; the buffer net is accommodated in the inner cavity of the elastic buffer cylinder, one end of the buffer net is fixed on the cavity wall of the inner cavity of the elastic buffer cylinder, and the other end of the buffer net is connected to the riveting piece; and
the guardrail plate is transversely hung on the outer side walls of the elastic buffer cylinders on one side facing the highway pavement and comprises a plurality of sub guardrail plates, two ends of any sub guardrail plate are respectively hung on at least two long strip-shaped hanging rings of two adjacent elastic buffer cylinders, and each sub guardrail plate also comprises a sub guardrail plate main body and two end heads positioned at two ends of the sub guardrail plate main body, wherein the sub guardrail plate main body is elastically connected through a spring; the length of any one guardrail plate is less than the distance between two adjacent elastic buffer cylinders.
2. The buffer guardrail of claim 1, wherein each of the two ends comprises a hook part and a cap part which are connected end to end, and the hook parts are detachably fixed on a long strip-shaped suspension loop; and the cap part is sleeved on one end of the sub guardrail main body, and one end of the sub guardrail main body is elastically connected with the inner side wall of the cap part through a built-in spring.
3. The buffer fence for express highway according to claim 1, wherein the difference between the length of any sub-fence plate and the distance between two adjacent elastic buffer cylinders is not more than 15 cm;
the length of the strip-shaped accommodating groove is not more than 50 cm.
4. The fast-assembling buffering highway barrier according to claim 1, wherein said sliding barrier comprises a pair of notched plates, the notches of the pair of notched plates are oppositely spliced to form said bayonet, and the pair of plates slide relatively independently on the opening of said elongated receiving slot.
5. The rapid assembly highway bumper fence according to claim 1 wherein the base is integrally cast of concrete;
the strip-shaped accommodating groove is a prefabricated steel plate groove body and is embedded into the upper surface of the base when the base is poured;
the sliding baffle is made of metal materials, and the length of the sliding baffle is less than or equal to 30 cm.
6. The quick-fit highway buffering guardrail of claim 1 wherein any one of the resilient bumpers further comprises:
the interlayer is axially arranged in a hollow cavity of any elastic buffer cylinder so as to form an annular accommodating space I and an annular accommodating space II which are relatively independent in the axial direction in the elastic buffer cylinder, wherein the annular accommodating space I positioned on the outer side is filled with water; the annular accommodating space II positioned on the inner side accommodates the buffer net;
the pore channel is a strip-shaped hole which is formed by inwards sinking from the outer side wall of the elastic buffer cylinder to the interlayer and penetrating to the annular accommodating space II, and the pore channel is not communicated with the annular accommodating space I; the other end of the buffer net passes through the pore passage and is connected to the riveting piece.
7. The quick-fit highway bumper guardrail of claim 6 wherein the rivet further comprises:
the arc-shaped plate body is detachably buckled on the pore passage, and the outer side wall of the arc-shaped plate body is provided with a long strip-shaped hanging ring; and
one end of each hook is fixed at the position, right opposite to the hole channel, of the arc-shaped plate body, the front ends of the hooks extend into the hole channel, and the other end of the buffer net is connected to the front ends of the hooks.
8. The fast assembling buffering guardrail for expressway of claim 1, wherein the sub-guardrail plate body is a frame structure; the sub-guardrail plate main body further comprises:
the longitudinal rods are vertically arranged in the strip-shaped accommodating space of the frame structure at uniform intervals, and the upper end and the lower end of each longitudinal rod are respectively fixed on the frame structure; any longitudinal rod also comprises at least three hollow spheres which are connected in series, and two adjacent hollow spheres on any longitudinal rod are communicated through a hollow transition shaft; the inner cavities of at least three hollow spheres of any longitudinal rod are communicated with the inner cavity of the hollow transition shaft; each sphere comprises a compression ball which is formed by compressing corrugated pipes with unequal cross-section diameters; a plurality of tie bars which are dispersed and vertically wrapped on the compression ball body; and
the guide cylinders are rotatably sleeved on the transition shaft sleeve, and the diameter of the cross section of any guide cylinder is larger than that of the compression ball body.
9. The crash barrier of claim 8 wherein any of the longitudinal bars is filled with rubber particles, clay or sand.
10. The rapid assembling type buffering guardrail for the expressway of claim 1, wherein the cross section of any one of the elastic buffering cylinders is in a shape of a rounded triangle, and the side wall of the bottom edge of the rounded triangle is in an arc shape and protrudes outwards; the side wall which is arc-shaped and protrudes outwards is over against the highway pavement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109056523A (en) * | 2018-09-12 | 2018-12-21 | 浙江建设职业技术学院 | A kind of Collison fence for bridge and its construction method |
| CN109338951A (en) * | 2018-11-14 | 2019-02-15 | 山东宏腾交通工程有限公司 | A kind of good freeway guardrail system of energy absorption performance |
| CN209260612U (en) * | 2018-11-23 | 2019-08-16 | 陕西交通公路设计研究院有限公司 | Assembled freeway guardrail |
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| JPH11210271A (en) * | 1998-01-23 | 1999-08-03 | Sekisui Jushi Co Ltd | Mounting structure of beam pipe |
| KR100740552B1 (en) * | 2006-04-12 | 2007-07-18 | (유) 이티산업 | A way protection party for shock absorber |
| KR20130093993A (en) * | 2012-02-15 | 2013-08-23 | 유한회사 거동건설 | Impact absorber |
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| CN111321683B (en) | 2021-10-29 |
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