CN218116256U - A supporting component and guardrail for guardrail - Google Patents
A supporting component and guardrail for guardrail Download PDFInfo
- Publication number
- CN218116256U CN218116256U CN202221744043.7U CN202221744043U CN218116256U CN 218116256 U CN218116256 U CN 218116256U CN 202221744043 U CN202221744043 U CN 202221744043U CN 218116256 U CN218116256 U CN 218116256U
- Authority
- CN
- China
- Prior art keywords
- guardrail
- supporting seat
- main body
- road
- sliding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- E01F15/0423—Details of rails
-
- 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
-
- 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
-
- 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
- E01F15/0476—Foundations
-
- 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
- E01F15/0492—Provisions for guiding in combination with rails, e.g. tire-gutters
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
- E01F15/146—Means for vehicle stopping using impact energy absorbers fixed arrangements
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
- E01F15/148—Means for vehicle stopping using impact energy absorbers mobile arrangements
-
- 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
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/623—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
- E01F9/631—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection specially adapted for breaking, disengaging, collapsing or permanently deforming when deflected or displaced, e.g. by vehicle impact
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The utility model provides a supporting component and guardrail for guardrail, include: the fixed type upright post comprises a main body part and an extension part, wherein the main body part is used for being connected with a guardrail cross beam, the extension part extends out of the lower portion of the main body part from the bottom end of the main body part, the extension part is embedded into a groove-shaped structure which is arranged on the road surface and matched with the extension part, and drainage grooves are formed in two opposite sides of the groove-shaped structure and the fixed type upright post. With this technical scheme, fixed stand is when receiving the impact, and the fracture that takes place that can be more in good time destroys or removes the aversion, and the absorption collision energy that can be fine when receiving the impact reaches better crashproof effect, guarantees people's safety, reduces the damage.
Description
Technical Field
Embodiments of the present invention generally relate to the technical field of guardrails, and more particularly, to a support assembly for a guardrail and a guardrail.
Background
The guardrail is an important guarantee for the safe operation of the vehicle and the protection of drivers, and can be divided into a rigid guardrail, a semi-rigid guardrail and a flexible guardrail according to the structure. A rigid barrier is a barrier structure that is substantially non-deformable. Such as a concrete wall guardrail. The semi-rigid guardrail is a continuous beam column type guardrail structure, and has certain rigidity and flexibility, such as a pipe beam guardrail, a box beam guardrail and the like. The flexible guardrail is a tough guardrail structure with large buffering capacity. Such as a cable tie guard rail.
The semi-rigid guardrail is a continuous beam structure with certain rigidity and flexibility, resists the collision of a vehicle by means of bending deformation and tension, forces the out-of-control vehicle to change direction, recovers the normal running direction, prevents the vehicle from rushing out of a road, absorbs collision energy by deformation, has the capability of reducing the collision between the vehicle and a driver, effectively plays a role in protection, and reduces the injury caused by accidents.
At present, the guardrail supporting upright posts are generally connected by flanges or directly-buried anchors, the protection effect cannot be guaranteed, and when a vehicle is impacted, the local part is concentrated and seriously damaged by impact, so that the guardrail supporting upright posts cannot play a good energy absorption and buffering role. Or after the large truck is impacted at a high speed per hour, the large truck easily penetrates through the corrugated beam guardrail and impacts the opposite lane, so that a secondary traffic accident occurs.
SUMMERY OF THE UTILITY MODEL
According to the utility model discloses an embodiment provides a supporting component and guardrail for guardrail, and fundamentally turns into semi-rigid guardrail with the rigidity guardrail, and real realization is when the striking, and the fixed department of fixed stand can split, and portable stand adopts the design of buffering and aversion to realize the decomposition of power, guarantees under the condition that the guardrail is not emptyd, reaches the anticollision effect, improves the safety of vehicle and construction operation.
In a first aspect of the present invention, a support assembly for a guardrail is provided. This supporting component includes:
a stationary post including a main body portion for connection with the guardrail beam, an
An extension part extending from the bottom end of the main body part to the lower part of the main body part,
the extension part is embedded into a groove-shaped structure matched with the extension part and arranged on a road surface, and drainage grooves are arranged on two sides of the groove-shaped structure opposite to the fixed upright posts.
The above aspect and any possible implementation further provide an implementation in which the extension portions are formed on opposite sides of the bottom end of the main body portion, and extend in the vertical direction.
In the aspect and any possible implementation manner described above, there is further provided an implementation manner in which the width of the lower portion of the main body portion increases gradually from top to bottom at two sides corresponding to the extension portion.
The above aspects and any possible implementations further provide an implementation in which the trough-type structure is formed on a roadbed or on prefabricated slabs laid on the roadbed.
The above aspect and any possible implementation further provides an implementation in which a movable column is disposed between adjacent fixed columns, including:
a first supporting seat connected with the guardrail beam,
the first supporting seat is arranged in a buffer base arranged on a road base surface, the buffer base extends on the road base surface along the extending direction vertical to the guardrail beam,
the first supporting seat can move along the extending direction of the buffer base.
The above aspect and any possible implementation further provides an implementation in which a movable column is disposed between adjacent fixed columns, including:
the second supporting seat is connected with the guardrail beam, the second supporting seat is formed into a shape like a Chinese character 'ji', the width of the second supporting seat is gradually increased from top to bottom, and the bottom surface of the lower portion of the second supporting seat is in contact with a road base surface.
The above-mentioned aspect and any possible implementation manner further provide an implementation manner in which a boat-shaped sliding portion is disposed at a bottom end of the second support seat, the sliding portion supporting the second support seat disposed on a road surface and assisting the movable upright to slide when being impacted, and the sliding portion straddles two end portions of the bottom end of the second support seat, and a bottom surface of the sliding portion is in contact with the road surface, and the implementation manner includes:
a sliding plate which constitutes a bottom surface of the sliding section;
reinforcing plates provided at both side edges of the sliding plate in a length direction;
connecting parts provided at both ends of the sliding plate in the width direction; and
the buffer angle is arranged at two ends of the sliding part, one corner edge of the buffer angle is connected with the second supporting seat, the other corner edge of the buffer angle is connected with the connecting part, and the corner is in contact with the road surface and is arranged in a round angle mode.
The above aspect and any possible implementation further provide an implementation that includes a movable column disposed between adjacent fixed columns, and that includes:
a third support seat connected with the guardrail beam, the third support seat is formed in a shape of a Chinese character 'ji', the distance between the two side plates from the middle part to the bottom part is gradually increased, and
the side plate is arranged at the bottom edge of the supporting seat to form a fillet and then extends towards the inner side, or
The bottom edge of the supporting seat extends outwards in the direction parallel to the road surface.
The above aspect and any possible implementation further provides an implementation in which a movable column is disposed between adjacent fixed columns, including:
a fourth supporting seat connected with the guardrail beam,
the fourth support seat is formed as a frame which becomes wider gradually from the middle portion to the bottom portion, or
The upper part of the fourth supporting seat is provided with a vertical pipe, and the lower part of the fourth supporting seat is provided with a base which is gradually widened from top to bottom.
In a second aspect of the present invention, there is provided a guardrail using the support assembly for a guardrail as described above,
one or more corrugated plates or rectangular pipes which are arranged in parallel are arranged on the supporting component.
The technical scheme of the utility model, fixed stand when receiving the impact, the breaking of can be more in good time breaks, sets up when normal use stable also can be fine when receiving the impact the absorption collision energy, reaches better anticollision effect, guarantees people's safety, reduces the damage.
The movable upright post can slide on a road base surface, and when the movable upright post is impacted, the sliding of the movable upright post absorbs collision energy, so that the action time of a collision process is prolonged, and a better anti-collision effect is achieved.
The guardrail based on the supporting component realizes the semi-rigid characteristic, increases the plastic deformation or the movement displacement of the guardrail on the basis of the unique advantages of the rigid guardrail, achieves the buffering effect and has excellent anti-collision effect.
It should be understood that what is described in this summary section is not intended to limit key or critical features of embodiments of the invention, nor is it intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
The above and other features, advantages and aspects of various embodiments of the present invention will become more apparent with reference to the following detailed description when taken in conjunction with the accompanying drawings. In the drawings, like or similar reference characters denote like or similar elements, and wherein:
fig. 1 shows a schematic structural diagram of a fixed column according to an embodiment of the present invention;
fig. 2 shows a cross-sectional view of a stationary column provided by an embodiment of the present invention;
FIG. 3 shows a schematic structural view of the main body portion and connecting rod of the stationary mast of FIG. 2;
FIG. 4 shows a schematic structural view of the slot-type structure of FIG. 2;
fig. 5 shows a schematic structural diagram of a guide unit of a guide fence according to an embodiment of the present invention;
fig. 6 shows a schematic structural diagram of a first supporting seat provided by an embodiment of the present invention;
fig. 7 is a schematic view illustrating a structure of a fourth supporting seat according to an embodiment of the present invention;
fig. 8 shows a schematic structural diagram of a fourth supporting seat according to an embodiment of the present invention;
fig. 9 shows a schematic structural diagram of a movable column according to an embodiment of the present invention;
fig. 10 is a schematic view illustrating a structure of a sliding portion of a mobile column according to an embodiment of the present invention;
fig. 11 is a schematic view showing a second structure of a sliding portion of a mobile column according to an embodiment of the present invention;
fig. 12 is a schematic view illustrating a structure of a second support seat according to an embodiment of the present invention;
fig. 13 is a schematic view illustrating a second structure of a second support seat according to an embodiment of the present invention;
fig. 14 is a schematic view illustrating a structure of a third supporting seat according to an embodiment of the present invention;
fig. 15 is a schematic view illustrating a second structure of a third supporting seat according to an embodiment of the present invention;
fig. 16 is a schematic plan view illustrating the support seat integrally formed according to an embodiment of the present invention;
fig. 17 is a schematic perspective view illustrating the integrally formed support seat according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 17 is:
10 connecting rods, 101 mounting holes and 102 bolt pieces; 2 supporting units, 20 balancing weights, 201 mounting parts, 21 buffer bases, 22 supporting seats, 221 main plates, 222 side plates, 23 sliding parts, 231 sliding plates, 232 buffer angles, 233 reinforcing plates, a bending parts, b arc parts, 24 main parts, 25 extending parts, 26 groove-shaped structures and 27 drainage grooves.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The utility model discloses in, provide a supporting component and guardrail, the guardrail is based on the supporting component setting, can be used to various highway protective equipment, has increased the plastic deformation or the removal displacement of guardrail on the basis of the distinctive advantage of rigidity guardrail, reaches the effect of buffering, and the anticollision effect is excellent.
A support assembly for a guard rail and a guard rail provided by an embodiment of the present invention will be described below with reference to fig. 1 to 17.
The guardrail in this embodiment can be a guide guardrail or a road guardrail. In the above embodiment, as shown in fig. 5 and 7, the guide fence is provided with a plurality of sets of connecting rods 10, i.e., fence beams, the connecting rods 10 being fixed to the supporting unit 2; each group of connecting rods 10 is formed by one or more connecting rods 10 in parallel; one end of the connecting rod 10 is provided with a mounting hole 101 and the other end is provided with a bolt member 102 for fixedly connecting with the mounting hole provided at one end of the adjacent connecting rod 10. Be provided with dizzy board mounting hole 11 of preventing dizzy board on the connecting rod 10 at direction guardrail top for dizzy board's installation increases the security.
In the above embodiment, as shown in fig. 5, the resistance part 12 is provided between the connecting rod 10 and the connecting rod 10, and the setting of the resistance part 12 increases the effect of resistance caused by collision, prevents glare, sets reflective films on the resistance part 12 at intervals, plays a role of landscape on the basis of increasing the driving safety at night, and increases the safety protection effect to prevent animals and people from drilling into roads from the gap of the connecting rod to cause traffic accidents. Specifically, the resistance portions 12 may have a rod-like, sheet-like or net-like structure, and are spaced between the connecting rods 10. A safety net 13 is also arranged between the bottom connecting rod 10 of the guide guardrail and a road base surface, so that firstly, collision is increased, a certain blocking effect is achieved, secondly, a safety protection effect is achieved, mainly, traffic accidents are prevented from occurring when animals and people outside the road enter the road, and the safety effect is increased through blocking. Considering the height of the guide fence comprehensively, resistance portions 12 are provided between the connection rods 10 according to the number of the connection rods 10, and safety nets are provided between the connection rods and the road base surface.
In this embodiment, the connecting rod 10 may be one or a combination of several of corrugated plate, i-steel, channel steel, round pipe steel, rectangular pipe steel, and deformed steel used at present.
In this embodiment, the connecting members for connecting and fixing the connecting rods 10 may be straight plate members, and the straight plate members are inserted into the adjacent connecting rods 10 and fixedly connected by bolt members, so that the processing is convenient and the material is easy to save; the connecting rod can also be a large square pipe fitting which is sleeved outside the adjacent end of the adjacent connecting rod 10 and is fixedly connected through a bolt piece; or Fang Guanjian, the small square pipe is inserted into the opening of the adjacent end of the adjacent connecting piece 10 and is fixedly connected through a bolt piece; the connecting rod can also be a round pipe fitting which is more suitable for being matched with a round pipe, and the round pipe fitting is inserted into the adjacent end openings of the adjacent connecting rods 10 and is fixedly connected through the bolt pieces, so that a better splicing and fixing effect is realized.
In this embodiment, the support unit 2 connected to the guide fence, or the road fence installation support unit 2 further included at both sides of the road, is composed of a support assembly including a fixed post and a movable post.
As shown in fig. 1 to 4, the fixed pillars are provided at the end or middle of each set of connecting rods 10, and include a main body portion 24 for connecting with the connecting rods 10, i.e., the guardrail cross-member, and an extension portion 25 extending from the bottom end of the main body portion 24 to below the main body portion 24, and the extension portion 25 is embedded in a groove structure 26 provided on the road surface to match with the extension portion 25.
The width of the lower portion of the main body 24 gradually increases from top to bottom at both sides corresponding to the extension portion 25. Both side wall surfaces of the main body portion 24 are connected to the connecting rod 10 by bolts. The extending portions 25 are formed on opposite sides of the bottom end of the main body portion 24, extend in the vertical direction, are parallel to each other, and have a length in the same direction as the extending direction of the highway bed, which is the same as the length of the main body portion 24, and are in the shape of a flat rectangular parallelepiped. The main body portion 24 and the extension portion 25 are formed in a right-angled U shape. The extension portion 25 is integrally formed with the main body portion 24 and can be broken away from each other when an impact is applied.
The groove-shaped structures 26 are poured on the roadbed or on precast slabs laid on the roadbed, and the groove-shaped structures 26 are matched with the extending parts 25 and arranged in parallel. The extension portion 25 is embedded in the channel structure 26 when the fixed uprights are arranged on the channel structure 26, and the bottom surface of the main body portion 24 is placed on a road bed or a prefabricated slab.
When a certain force is applied to the fixed type upright column by a vehicle, the connecting part between the extension part 25 and the main body part 24 is weak, and the fixed type upright column can be broken after reaching the limit, so that the fixed type upright column is transversely deviated, the impact force of the vehicle is absorbed, and the buffer effect is achieved. According to the strength design, the size, the shape, the number and the like of the extension part 25 are selected and determined for controlling the maximum transverse displacement of the guardrail by calculating and testing the influence of the size, the shape, the number and the like of the extension part 25 on the breakage of the extension part 25 under different vehicle masses and speeds.
A plurality of drainage grooves 27 for drainage are further formed in the roadbed or the prefabricated panels laid on the roadbed, and the drainage grooves 27 are formed on the opposite sides of the groove-shaped structures 26 from the fixed column main body portions 24 to enhance the drainage function of the road surface where the fixed columns are arranged.
In order to first semi-rigid guardrail, including the concrete prefabricated member, every two adjacent concrete prefabricated members are connected through the quarter bend, the concrete prefabricated member includes the body, be provided with a plurality of connecting bolt that are used for installing the quarter bend on two opposite sides of body, the quarter bend passes through connecting bolt and installs on the concrete prefabricated member to it is fixed with the quarter bend through the nut, and the side that sets up connecting bolt is parallel with the extending direction of installation foot, the installation foot sets up in the body bottom. And two rows of connecting bolts are arranged on each side surface of each concrete prefabricated member. Every connecting bolt includes two screw rods, and every connecting bolt that is listed as includes triplex row connecting bolt, all is fixed with the quarter bend on the triplex row connecting bolt, and the triplex row quarter bend is constituteed three-layer anticollision roof beam, and its intensity is higher, and the dismouting is convenient, and the later maintenance cost is lower, and the specification that the quarter bend was adjusted to the accessible is suitable for the highway section that different protection grade required, concrete prefabricated component bottom is provided with two parallel arrangement's installation foot, and the installation foot forms with the body for integration pouring. The mounting foot of the body bottom of the precast concrete is in an inverted U shape with the body, after the concrete is injected and condensed, the concrete is embedded into the mounting foot, so that the bottom can play a role in supporting when collision occurs, and the driving direction of a vehicle is guided; if the vehicle is when striking the guardrail with a considerable power, the precast concrete can transmit this horizontal impact force into the inboard installation foot of the type of falling "U" of bottom, this place is because relatively weak, can break off after reaching the limit, thereby make the precast concrete take place horizontal skew, reach the cushioning effect, eliminate the horizontal impact force of vehicle, according to the difference of vehicle quality and speed, the cracked quantity of the installation foot of precast concrete bottom can be different, through calculating and testing, for the biggest horizontal displacement of control guardrail, through the design of the installation foot intensity of precast concrete bottom, the installation foot of four precast concrete bottom at most of control breaks off, this kind of guardrail had both had the rigidity of concrete guardrail, still has buffer function.
The extending direction of the mounting feet is consistent with the extending direction of a roadbed of the highway. The width of the installation foot is consistent with the width of the preformed groove, and the height of the installation foot is not more than the depth of the preformed groove. The concrete prefabricated member is embedded into the road bed shallowly, so that the construction is convenient.
The concrete prefabricated part is installed on the roadbed. The roadbed comprises a base body on the uppermost layer, a plurality of groove groups are arranged on the base body, each groove group comprises two reserved grooves which are arranged in parallel, and mounting feet of the concrete prefabricated members are embedded into the reserved grooves. The extending direction of the arrangement of the preformed grooves is consistent with the derivative direction of the roadbed 1 of the highway.
And the base body is also provided with a plurality of drainage grooves for draining water. The problem of continuous wall formula rigid concrete structure probably cause the not good horizontal drainage function in road surface is solved.
A semi-rigid guardrail mounting method includes embedding concrete prefabricated members into reserved grooves in a roadbed, connecting adjacent concrete prefabricated members through rectangular pipes, filling concrete into the reserved grooves after connection is finished, filling concrete into pouring holes reserved in the roadbed when the concrete is poured, enabling the pouring holes to be communicated with the reserved grooves, and finishing mounting after the concrete is condensed.
Movable vertical columns can be arranged between the fixed vertical columns and are arranged at the end parts or the middle parts of each group of connecting rods 10. The movable type upright post and the road base surface are in an assembly mode of relative sliding, different sliding modes are set according to different supporting portions, the arrangement is characterized in that under the condition that the end portions of the guide guardrails are fixed, when a vehicle collides, the guide guardrails can decompose part of impact force according to ductility of steel of the guide guardrails, the impact force can be decomposed into friction sliding of the supporting portions and the bottom surface of the road, semi-rigid protection for the vehicle is achieved, and protection for the vehicle and guarantee for safety of people in the vehicle are better achieved.
In the above embodiment, in order to further improve the stabilizing effect of the guiding fence, as shown in fig. 6, the supporting portion adopts a weight 20 for supporting the fixed connecting rod 10, and the weight 20 is basically the same as the main body structure of the fixed upright; the side of the balancing weight 20 is provided with a mounting part 201; the mounting portion 201 is fixed to the mounting hole 101 by a bolt, and the support portion is connected to the connecting rod 10 for guiding the vehicle. The balancing weight 20 can be made of cement, reinforced concrete, metal and the like, the balancing weight 20 is in a square column shape, or a conical shape or a n-shaped shape with the base larger than the top area, and the stable effect of the guide guardrail is improved by the weight of the balancing weight 20.
In this embodiment, when the guide fence uses a single-row connecting rod 10, the mounting portion 201 may be provided on one side or both sides of the weight block 20, and when the weight block 20 is located on the outermost layer of the wire guiding device, only one side perpendicular to the guiding direction needs to be provided with the mounting portion 201, and is connected to the mounting hole 101 of the connecting rod 10 by a bolt; when the balancing weight 20 is arranged in the middle of the connecting rod 10, the two sides of the balancing weight 20 perpendicular to the guiding direction are provided with mounting parts 201 which are respectively used for connecting groups of the connecting rod 10, namely, the end part of each group of connecting rod 10 is respectively connected with a balancing weight 20; when the guide fence adopts the double-row connecting rods 10, the two sides of the counterweight block 20 parallel to the guide direction are provided with the mounting parts 201, the connecting rods 10 are mounted on the mounting parts 201 on the outer side of the counterweight block 20, and the counterweight block 20 is arranged between the double-row connecting rods 10, as shown in fig. 6.
In this embodiment, the weight 20 is directly contacted with the road base surface, that is, the weight 20 is directly placed on the road base surface, and the guide rail is supported and fixed by its own weight. Such design, firstly the direction unit can satisfy the needs of direction, secondly receive the striking back of vehicle, utilize the frictional force of balancing weight and road base face and the ductility of connecting rod self steel to carry out the buffering of impact force, when the impact force reaches certain degree, still can further carry out the decomposition buffering of impact force through the slip with road base face, reach the protection level.
In the above embodiment, as shown in fig. 6, the bottom of the counterweight 20 is provided with a buffer base 21 matched with the counterweight; wherein, the buffer base 21 is arranged on the road base surface, the balancing weight 20 is arranged in the buffer base 21, and the balancing weight 20 can slide in the buffer base 21 after being impacted by force.
In this embodiment, in order to further ensure the professional performance of the guide fence and the improvement of the collision avoidance capability, a buffer base 21 is further provided for each weight block 20. The buffer base 21 is a groove with a certain depth dug on the road base surface according to the bottom area of the balancing weight, and the balancing weight 20 is embedded in the groove. Wherein, on both sides along the guide parallel direction, the length of both sides of the groove is equal to the length of both sides of the counterweight 20; on both sides along the guide vertical direction, the length of both sides of the groove is greater than that of both sides of the counterweight block 20; therefore, after being impacted by force, the balancing weight can slide in the groove along the vertical direction of the guide, so that the force is resolved. The depth of the groove is 120-180mm, and the depth is set to ensure that the balancing weight 20 has certain resistance when sliding to the edge of the groove; the distance of the counterweight block 20 sliding relatively in the groove is 1-1.2m; the distance is set according to empirical data, so that the influence on the lane can be effectively avoided in the sliding range, and the effect of buffering and absorbing energy of the collided vehicle is further achieved to the maximum extent.
In the above-mentioned embodiment, when the very long section direction guardrail of needs, need set up a plurality of middle support unit 2 and carry out the support of direction guardrail between the direction guardrail, middle support unit 2 can select for use the piece 20 of weighing of end department, also can adopt the bearing structure of other forms, and the supporting seat 22 that adopts steel forging to form is convenient for reuse many times, and the transportation of being convenient for has also increased the crashproof ability of whole direction guardrail simultaneously.
In the above embodiment, as shown in fig. 5 and 7, the support portion is a support seat 22, and the support seat 22 is in a zigzag shape, and has a narrow upper part and a wide lower part; the support seat 22 is provided with the connecting rod 10 at the upper part and the lower bottom surface contacting with the road base surface.
In this embodiment, as shown in fig. 7, the support seat 22 is made of steel such as square steel to form a zigzag frame support seat, the connection rod 10 is made of a two-wave plate, the square steel at the bottom of the support seat 22 directly contacts with a road base surface to support the connection rod 10, and simultaneously contacts with the road base surface without fixing treatment, so that the support seat is moved under force to drive the guide unit to move, and force decomposition and protection are achieved by utilizing ductility of the steel of the guide guardrail connection rod 10 and connection tension between the rod and the rod.
In this embodiment, as shown in fig. 8, the supporting seat 22 may also adopt a structure of a base and a vertical pipe, the connecting rod 10 adopts a corrugated plate, the vertical pipe plays a role of supporting and installing the connecting rod 10, the base increases the contact area with the public road base surface, and the stability is strong. The base of the structure is equal to the bottom of the supporting seat 22 of other structures, and the structure with the upper end and the lower end is adopted to be beneficial to mounting and dismounting.
In the above embodiment, the bottom of the support seat 22 is provided with the sliding portion 23; the sliding part 23 contacts with the road base surface and is impacted by a force to drive the supporting part to slide on the road surface. In order to better show the anti-collision effect of the support seat 22, the bottom of the support seat 22 is subjected to sliding treatment. For example, the bottom of the square steel support seat 22 is polished, so that the friction force between the square steel support seat and a road base surface is reduced as much as possible, a part of the friction force between the square steel support seat and the road is lost, but the moving distance of the guide guardrail is increased, so that the impact force generated by the friction force decomposition is converted into the deformation force and the extension force of the guide guardrail through the connecting rod 10 to decompose and buffer the impact force, the probability of toppling over of the guide guardrail due to overlarge friction force is reduced, the buffer distance of vehicle collision is increased, and a better protection effect is achieved.
In the above embodiment, as shown in fig. 9, the support base 22 includes a main plate 221 and a side plate 222; the main plate 221 is shaped like a Chinese character 'ji', the sliding part 23 is installed at the bottom of the main plate 221, and a side plate 222 perpendicular to the plane of the main plate 221 is arranged on the side edge of the main plate 221; the connecting rod 10 is inserted into the main plate 221 or bolted to the side plate 222. The upper end of the main board 221 is provided with through holes with equal number according to the data of the connecting rod 10, and the through holes are used for fixing the connecting rod 10; or the side plate 222 is provided with fixing holes with equal number, and the connecting rod 10 is installed and fixed through bolts.
In this embodiment, the supporting seat 22 is formed by welding the main plate and the side plate, or integrally formed, as shown in fig. 16, a plate with a certain shape is stamped according to the structural planes of the main plate 221 and the side plate 222, and then the periphery of the plate is bent and molded to form the side plate.
Through the design of fig. 16, the supporting seat shown in fig. 14 can be formed by integrally forming the special-shaped structure, the special-shaped three-dimensional structure is formed by stamping and bending the plate, the stamped leftover material 5 can also be used as an inner support of the supporting seat 22 and the mounting part 101 at the connecting rod 10, and the like, so that the waste is recycled, the material is saved, the manufacturing is simple, and the cost is lowest. Specifically, as shown in fig. 17, a punched part is hollowed out for inserting the connecting rod 10, and the bottom part is hollowed out as a leftover material; the dotted line represents the bending position, the middle part is the main plate 221, the side edge forms the side plate 222 by bending, and the bottom part of the side plate forms the bending angle a of the support seat after bending.
In the above embodiment, as shown in fig. 10 and 11, the slide portion 23 is provided with the slide plate 231 and the buffer angle 232; as shown in fig. 12 and 13, the sliding plate 231 is parallel to the road base surface, and reinforcing plates 233 are vertically arranged on two side edges, and the reinforcing plates 233 are installed at the bottom of the supporting seat 22; the buffer angle 232 is an arc part, is arranged at two ends of the sliding part 23 and forms a round angle with the road base surface; one corner edge of the buffer corner 232 is fixedly connected with the side plate 222 of the support seat 22, and the other corner edge is fixedly connected with the sliding plate 231.
In this embodiment, the buffer corner 232 may be C-shaped (as shown in fig. 11), U-shaped (as shown in fig. 10), or other shapes with a circular arc portion. The effect of this is to effectively prevent the traveling set of the support base 22 from occurring when the side plate 222 contacts the base surface of the road. The buffer angle 232 may be fixed to the main plate 221 and the side plate 222 by welding, riveting, or the like, or may be integrally formed with the support base 22.
In this embodiment, when the guide unit receives the impact force, the guide unit will overturn in the direction of the force, the lower edge of the main plate will contact with the ground, the edge of the side plate will contact with the ground under the action of the force, and the situation of traveling to the ground appears. When the support seat 22 with the sliding portion 23 of the present embodiment encounters impact force and the guiding guardrail turns over, the arc portion of the buffering angle 232 contacts with the ground, so that the side plate 222 cannot contact with the ground, and due to the continuous smooth outer surface of the arc portion, the arc portion contacts with the ground, so that the support seat 22 can keep a translational motion state, and the condition that the guardrail turns over is avoided.
In all the above embodiments, the buffer base 21, the smooth bottom support seat 22 and the sliding part 23 are sliding components for supporting, i.e. contacting with the ground. In yet another embodiment, the side plate 222 is used for supporting, that is, contacting the ground, and an upward bending portion a of a lower side edge of the side plate 222 contacts the ground (as shown in fig. 14), or an inward bending arc portion b of the lower side edge of the side plate 222 contacts the ground (as shown in fig. 15), which may also prevent the side plate 222 from being able to travel to the ground.
In addition, the guide fence is fixed in the middle of a road or at the edge of the road for better protection and guide purposes.
Thus, the movable column may be provided with a first supporting seat formed as a weight 20, the first supporting seat being provided in a buffer base 21 provided on the road base surface, the buffer base 21 extending in an extending direction perpendicular to the guardrail beam on the road base surface, the first supporting seat being movable in the extending direction of the buffer base 21.
The movable upright post can also be provided with a second supporting seat, the second supporting seat is in a shape like a Chinese character 'ji', the width of the second supporting seat is gradually increased from top to bottom, and the bottom surface of the lower part of the second supporting seat is contacted with the base surface of the road. Be provided with the sliding part 23 that is the ship shape in the bottom of second supporting seat, sliding part 23 supports the second supporting seat and sets up in the road surface to supplementary portable stand slides when receiving the striking, and sliding part 23 bridges over in the both ends of second supporting seat bottom, and the bottom surface contacts with the road surface, includes: a slide plate 231 constituting the bottom surface of the slide portion 23; reinforcing plates 233 provided at both sides in the longitudinal direction of the sliding plate 231; connecting parts which are provided at both ends of the sliding plate in the width direction; and the buffering angle 232 is arranged at two ends of the sliding part 23, one corner edge of the buffering angle 232 is connected with the second supporting seat, the other corner edge is connected with the connecting part, and the corner is in contact with the road surface and is arranged in a round angle mode.
The movable upright post can also be provided with a third supporting seat formed into a side plate, the third supporting seat is formed into a shape like a Chinese character 'ji', the distance between the two side plates from the middle part to the bottom is gradually increased, and the side plates extend towards the inner side after forming round corners at the bottom edge of the supporting seat or extend towards the outer side in the direction parallel to the road surface at the bottom edge of the supporting seat.
Or the movable upright post can also be provided with a fourth supporting seat which is formed into a V-shaped frame supporting seat or a base and a vertical pipe, the fourth supporting seat is formed into a frame which is gradually widened from the middle part to the bottom part, or the upper part of the fourth supporting seat is provided with the vertical pipe, and the lower part of the fourth supporting seat is provided with the base which is gradually widened from top to bottom.
In addition, in other embodiments, the movable vertical columns and the fixed vertical columns can be arranged in a staggered and combined mode. Or the first, second, third and fourth types of supporting seats and the fixed type upright columns of the movable type upright columns are combined, arranged and arranged according to the actual protection requirement.
In other embodiments, the support assembly and the guard rail comprising the support assembly may be provided in other road protection installations than a guide guard rail.
The utility model discloses a support assembly and guardrail for guardrail has following technological effect: fixed stand when receiving the impact, the breaking of can be more in good time breaks, sets up when normal use stable also can be fine when receiving the impact the absorption collision energy, reaches better crashproof effect, guarantees people's safety, reduces the damage.
The movable upright post can slide on a road base surface, and when the movable upright post is impacted, the sliding of the movable upright post absorbs collision energy, so that the action time of a collision process is prolonged, and a better anti-collision effect is achieved.
The guardrail based on the supporting component realizes the semi-rigid characteristic, increases the plastic deformation or the movement displacement of the guardrail on the basis of the unique advantages of the rigid guardrail, achieves the buffering effect and has excellent anti-collision effect.
In addition, the supporting seat is designed by forging and cutting waste corrugated plates, and the connecting rod can utilize other steel materials such as the corrugated plates and the like for waste utilization, so that the effects of environmental protection and cost saving are achieved; the whole steel construction that adopts of direction guardrail compares plastics material's direction guardrail, and the equal simple accurate of transportation installation, the reuse of being convenient for, long service life still can waste recovery, environmental protection and energy saving.
In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A support assembly for a guardrail, comprising:
a stationary post including a main body portion for connection with the guardrail beam, an
An extension part extending from the bottom end of the main body part to the lower part of the main body part,
the extension part is embedded into a groove-shaped structure matched with the extension part and arranged on a road surface, and drainage grooves are arranged on two sides of the groove-shaped structure opposite to the fixed type upright posts.
2. The support assembly for a guardrail of claim 1 wherein,
the extending parts are formed on two opposite sides of the bottom end of the main body part and extend in the vertical direction.
3. The support assembly for a guardrail of claim 2 wherein,
the width of the lower part of the main body part and the two sides corresponding to the extension parts is gradually increased from top to bottom.
4. The support assembly for a guardrail of claim 1 wherein,
the groove-shaped structure is formed on the roadbed or on a precast slab laid on the roadbed.
5. The support assembly for a guardrail of claim 1 wherein,
portable stand, it sets up adjacent between the fixed stand, include:
a first supporting seat connected with the guardrail beam,
the first supporting seat is arranged in a buffer base arranged on a road base surface, the buffer base extends on the road base surface along the extending direction vertical to the guardrail beam,
the first supporting seat can move along the extending direction of the buffer base.
6. The support assembly for a guardrail of claim 1 further comprising:
portable stand, it sets up adjacent between the fixed stand, include:
the second supporting seat is connected with the guardrail beam, the second supporting seat is formed into a shape like a Chinese character 'ji', the width of the second supporting seat is gradually increased from top to bottom, and the bottom surface of the lower portion of the second supporting seat is in contact with the base surface of the road.
7. A support assembly for a guard rail according to claim 6,
the bottom of the second supporting seat is provided with a ship-shaped sliding part, the sliding part supports the second supporting seat and is arranged on the road surface, and assists the movable upright column to slide when being impacted, the sliding part is bridged at two end parts of the bottom of the second supporting seat, and the bottom surface of the sliding part is in contact with the road surface, and the ship-shaped sliding part comprises:
a sliding plate which constitutes a bottom surface of the sliding portion;
reinforcing plates provided at both side edges of the sliding plate in a length direction;
connecting parts provided at both ends of the sliding plate in the width direction; and
the buffer angle is arranged at two ends of the sliding part, one corner edge of the buffer angle is connected with the second supporting seat, the other corner edge of the buffer angle is connected with the connecting part, and the corner is in contact with the road surface and is arranged in a round angle mode.
8. The support assembly for a guardrail of claim 1 wherein,
portable stand, it sets up adjacent between the fixed stand, include:
a third support seat connected with the guardrail beam, the third support seat is formed in a shape of a Chinese character 'ji', the distance between the two side plates from the middle part to the bottom part is gradually increased, and
the side plate extends inwards after forming a fillet at the bottom edge of the supporting seat, or
The bottom edge of the supporting seat extends outwards in the direction parallel to the road surface.
9. The support assembly for a guardrail of claim 1 wherein,
portable stand, it sets up adjacent between the fixed stand, include:
a fourth supporting seat connected with the guardrail beam,
the fourth support seat is formed as a frame which becomes wider gradually from the middle portion to the bottom portion, or
The upper part of the fourth supporting seat is provided with a vertical pipe, and the lower part of the fourth supporting seat is provided with a base which is gradually widened from top to bottom.
10. A guard rail, characterized in that, using the support member for a guard rail of any one of claims 1 to 9,
one or more corrugated plates or rectangular pipes which are arranged in parallel are arranged on the supporting component.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021107686197 | 2021-07-07 | ||
| CN202110768619.7A CN113931104A (en) | 2021-07-07 | 2021-07-07 | Semi-rigid guardrail and mounting method thereof |
| CN202220236893X | 2022-01-28 | ||
| CN202220236893 | 2022-01-28 | ||
| CN202220237017 | 2022-01-28 | ||
| CN2022202370179 | 2022-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218116256U true CN218116256U (en) | 2022-12-23 |
Family
ID=84030528
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210797442.8A Pending CN115354606A (en) | 2021-07-07 | 2022-07-06 | A supporting component and guardrail for guardrail |
| CN202221744043.7U Active CN218116256U (en) | 2021-07-07 | 2022-07-06 | A supporting component and guardrail for guardrail |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210797442.8A Pending CN115354606A (en) | 2021-07-07 | 2022-07-06 | A supporting component and guardrail for guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN115354606A (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100716195B1 (en) * | 2005-07-12 | 2007-05-10 | 주식회사 에이브이티 | Guard fence |
| CN108589594B (en) * | 2018-05-08 | 2020-07-17 | 浙江中超新材料股份有限公司 | Track rail |
| CN208563174U (en) * | 2018-05-30 | 2019-03-01 | 重庆精恒金属表面处理有限公司 | Fine motion buffer-type highway barrier |
| CN208533429U (en) * | 2018-06-28 | 2019-02-22 | 江苏国强镀锌实业有限公司 | Packaged type anticollision steel guard rail |
| CN212641300U (en) * | 2020-05-23 | 2021-03-02 | 重庆宏亚远桥金属制品有限责任公司 | Use steel construction highway guardrail that has buffer stop |
-
2022
- 2022-07-06 CN CN202210797442.8A patent/CN115354606A/en active Pending
- 2022-07-06 CN CN202221744043.7U patent/CN218116256U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN115354606A (en) | 2022-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB2433285A (en) | Vehicle restraining fence for a building | |
| KR101344082B1 (en) | Guard rail for reinforced post and the construction method thereof | |
| CN218116257U (en) | Guide guardrail and device | |
| CN218116256U (en) | A supporting component and guardrail for guardrail | |
| JP3577497B2 (en) | Road protection device | |
| JPS6012484B2 (en) | road protection barrier | |
| KR20120001028U (en) | Shock absorbing reinforced Guard rail | |
| GB2450352A (en) | Wire rope vehicle restraining fence | |
| RU2307210C2 (en) | Road guard end section | |
| CN115288513A (en) | Concrete temporary guardrail structure | |
| CN210049095U (en) | Bridge guardrail | |
| KR101235823B1 (en) | Safety fence for vehicle with impact absorption function | |
| CN218233270U (en) | Novel trapezoidal movable guardrail | |
| KR100691874B1 (en) | Road-side safety barrier of banking height | |
| CN218027385U (en) | Highway protective fence | |
| CN216551708U (en) | Anti-collision guardrail at opening | |
| CN216919983U (en) | Anticollision reinforcing apparatus for bridge | |
| CN212505818U (en) | Deformation-limited highway center-zone pier protection structure | |
| CN216428112U (en) | Anti-collision energy dissipation end | |
| CN214939261U (en) | Steel pipe concrete guard rail | |
| CN214005535U (en) | Reinforced prefabricated assembled concrete guardrail for central separation belt of roadbed section | |
| KR101217832B1 (en) | Vehicle protection fence | |
| CN217026675U (en) | Protective structure based on bridge design | |
| CN219973031U (en) | Road side barrier protection guardrail | |
| CN216428100U (en) | Frame type movable guardrail |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |