CN211285426U - Urban road guardrail - Google Patents
Urban road guardrail Download PDFInfo
- Publication number
- CN211285426U CN211285426U CN201921702623.8U CN201921702623U CN211285426U CN 211285426 U CN211285426 U CN 211285426U CN 201921702623 U CN201921702623 U CN 201921702623U CN 211285426 U CN211285426 U CN 211285426U
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- CN
- China
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- guardrail
- guardrail beam
- connecting piece
- beam slab
- urban road
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Abstract
The utility model discloses an urban road guardrail, including two limit stands, guardrail beam slab on limit stand and the middle standing pillar is worn to establish by at least one setting middle standing pillar and the multiunit between two limit stands, multiunit guardrail beam slab sets up for longitudinal separation, and the both ends of every group guardrail beam slab are all fixed on the limit stand through first connecting piece, and longitudinal separation has set firmly many pairs of engaging lugs on the middle standing pillar outer wall, and every group guardrail beam slab includes at least one disconnection department, and the both ends of guardrail beam slab disconnection department are fixed on a pair of engaging lug through the correspondence of second connecting piece respectively. The utility model discloses the installation is dismantled conveniently, is connected firmly, and impact force when can effectively slowing down vehicle striking guardrail reduces or avoids vehicle personnel's injury, has still reduced the energy consumption and the pollution in the guardrail production process simultaneously, has reduced the cost of transportation.
Description
Technical Field
The utility model relates to a road protection technical field especially relates to an urban road guardrail.
Background
The urban road guardrail is an indispensable safety protection facility of urban traffic road surface, maintains traffic order in cities, and can effectively reduce the damage to vehicles, personnel and road facilities caused by accidental impact caused by the shuttle of the vehicles. At present, the steel construction that is mostly adopted for urban road guardrail, only about 3% because of steel construction material's elongation at break, the deformability is less and hardly have the pliability, the energy-absorbing effect is relatively poor, when taking place strong striking, current urban road guardrail is to the block of vehicle out of control, the slowing down of speed of a motor vehicle and protective effect are not ideal, can not slow down the impact to personnel in the car, in addition, because steel construction guardrail's manufacturing energy consumption is higher, especially anticorrosive galvanizing process, the carbon emission volume, COD discharges greatly, can cause serious pollution to the environment, energy-concerving and environment-protective effect is not good, and its proportion is great, the cost of transportation is higher, be unfavorable for controlling urban road construction cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide an urban road guardrail, the installation is dismantled conveniently, is connected firmly, can effectively slow down the impact force when vehicle striking guardrail, reduces or avoids the injury to vehicle personnel, has still reduced the energy consumption and the pollution in the guardrail production process simultaneously, has reduced the cost of transportation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an urban road guardrail, wears to establish the guardrail beam slab on side stand and the middle standing pillar including two side stands, at least one setting middle standing pillar and the multiunit between two side stands, multiunit guardrail beam slab sets up for longitudinal separation, every group guardrail beam slab's both ends are all fixed on the side stand through first connecting piece, longitudinal separation has set firmly many pairs of engaging lugs on the middle standing pillar outer wall, and every group guardrail beam slab includes at least one disconnection department, guardrail beam slab disconnection department's both ends are fixed on a pair of engaging lug through the second connecting piece correspondence respectively.
The first connecting piece is of a U-shaped bolt structure and fixedly penetrates through the side stand column, an end cover is fixedly connected to the first connecting piece, and the end cover is clamped with the end portion of the guardrail beam plate and covers the end portion of the guardrail beam plate.
The second connecting piece is of a U-shaped bolt structure and fixedly penetrates through the connecting lug, and two ends of the broken position of the guardrail beam plate are respectively clamped and penetrate through a space surrounded by the corresponding second connecting piece and the connecting lug.
The outer surfaces of the connecting lugs attached to the guardrail beam plates are flush with the top points of the outer walls of the middle upright posts between the pair of connecting lugs.
And the broken part of the guardrail beam plate is fixed on the middle upright post through a third connecting piece.
The third connecting piece is including fixed U type bolt and the separation blade of fixed connection in the vertical portion of U type bolt of wearing to establish on the center pillar, the separation blade compresses tightly the both ends of guardrail beam slab disconnection department to the center pillar on and the separation blade covers the disconnection department of guardrail beam slab.
Each section of the guardrail beam plate comprises a belt core layer and a protective layer of a cladding belt core layer, wherein the belt core layer is formed by weaving industrial yarns.
The protective layer is an engineering plastic layer or a modified resin layer.
The outer wall of the protective layer is provided with a plurality of convex edges extending along the length direction of the guardrail beam plate.
The utility model has the advantages that: compared with a steel structure guardrail, the guardrail beam plate of the urban road guardrail mainly comprises a belt core layer woven by industrial yarns and an engineering plastic layer or a modified resin layer coated outside the belt core layer, has the characteristics of ageing resistance, good toughness, high impact strength, excellent impact energy absorption capacity, excellent deformation relaxation performance and the like, can greatly slow down the impact force when a vehicle collides with the guardrail, improves the protection performance of the guardrail, can reduce the energy consumption and pollution during the production of the guardrail, and reduces the transportation cost of the guardrail; the tip of guardrail beam slab is connected with the side column through U type bolted construction's first connecting piece, and the tip of guardrail beam slab still overlaps the end cover that links firmly with first connecting piece, protect the band core layer through the end cover, the second connecting piece through U type bolted construction and the third connecting piece of constituteing by separation blade and U type bolt are connected between the both ends of guardrail beam slab disconnection department and the center column, structural design is reasonable, the installation, it is convenient to dismantle, the guardrail beam slab that disconnected connection more is applicable to the safety protection of shorter distance road or crooked road, the transport of guardrail beam slab of also being convenient for, therefore, the clothes hanger is strong in practicability.
Drawings
Fig. 1 is a schematic perspective view illustrating a connection between an end cap and a first connecting member according to a first structure of the present invention;
fig. 2 is a partial perspective view of the end cap of the first structure of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
fig. 5 is a schematic perspective view illustrating the connection between the end cap and the first connecting member according to the second structure of the present invention;
fig. 6 is a partial perspective view of the end cap of the second structure according to the present invention;
FIG. 7 is an enlarged view at C of FIG. 6;
fig. 8 is a schematic structural view of the guardrail beam plate of the present invention.
In the figure: the side column 1, the middle column 2, the guardrail beam plate 3, the belt core layer 31, the protective layer 32, the convex edge 33, the connecting lug 4, the first connecting piece 5, the second connecting piece 6, the third connecting piece 7, the U-shaped bolt 71, the blocking piece 72, the end cover 8, the front plate 81, the top plate 82, the bottom plate 83 and the side sealing plate 84.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1 to 8, an urban road guardrail comprises two side columns 1, at least one center column 2 arranged between the two side columns 1, and a plurality of sets of guardrail beam plates 3 arranged on the side columns 1 and the center column 2 in a penetrating manner, wherein the plurality of sets of guardrail beam plates 3 are arranged at longitudinal intervals, and the number of the guardrail beam plates 3 at longitudinal intervals is determined according to the height of the side columns 1 or the center column 2. All be equipped with the post lid that is used for the gland side stand 1 and 2 tops of center pillar on the side stand 1 and the center pillar 2, can prevent that the rainwater from corroding inside side stand 1 and the center pillar 2.
And the two end parts of each group of the guardrail beam plate 3 are fixed on the side upright posts 1 through first connecting pieces 5. First connecting piece 5 is U type bolt structure and first connecting piece 5 is fixed to be worn to establish on limit stand 1, fixedly connected with end cover 8 on the first connecting piece 5, end cover 8 and the tip block of guardrail beam slab 3 and end cover 8 carry out the closing cap to the tip of guardrail beam slab 3. The end cover 8 prevents the damage to the band core layer 31 caused by the external environment, and ensures the service life of the guardrail beam plate 3.
The end cap 8 can adopt two different box-shaped structures, and the structure of the first end cap 8 is as follows: the end cover 8 comprises a front plate 81 attached to the surface of the end part of the guardrail beam plate 3, which faces away from the side column 1, a top plate 82 attached to the upper surface of the end part of the guardrail beam plate 3, a bottom plate 83 attached to the lower surface of the end part of the guardrail beam plate 3 and side sealing plates 84 attached to the end surfaces of the end parts of the guardrail beam plate 3, wherein the top plate 82, the bottom plate 83 and the side sealing plates 84 form a three-side enclosure frame type structure; the first connecting piece 5 comprises a vertical part and screw parts respectively connected to two ends of the vertical part, and the front plate 81, the top plate 82 and the bottom plate 83 all penetrate between the two screw parts of the first connecting piece 5 and are welded and fixed with the vertical part of the first connecting piece 5 through the front plate 81. The second end cap 8 has the following structure: the end cover 8 comprises a front plate 81 attached to the surface of the end part of the guardrail beam plate 3, which faces away from the side column 1, a top plate 82 attached to the upper surface of the end part of the guardrail beam plate 3, a bottom plate 83 attached to the lower surface of the end part of the guardrail beam plate 3 and side sealing plates 84 attached to the end surfaces of the end parts of the guardrail beam plate 3, wherein the top plate 82, the bottom plate 83 and the side sealing plates 84 form a three-side enclosure frame type structure; the front plate 81 passes between two screw portions of the first connecting member 5 and the vertical portion of the front plate 81 and the first connecting member 5 is welded and fixed, and the top plate 82 and the bottom plate 83 extend from the side sealing plate 84 to the direction close to the first connecting member 5, but the top plate 82 and the bottom plate 83 do not exceed the screw portion of the first connecting member 5. When the end part of the guardrail beam plate 3 is fixed, the first connecting piece 5 and the end cover 8 are welded, then the screw rod part of the first connecting piece 5 penetrates through the side upright post 1 and enables the end cover 8 to be clamped with the end part of the guardrail beam plate 3, and finally the first connecting piece 5 is fixed on the side upright post 1 through screwing the nut.
Longitudinal separation has set firmly many pairs of engaging lug 4 on the 2 outer walls of center pillar, pastes mutually with guardrail beam slab 3 the 4 surfaces of engaging lug flush with the summit that is located the 2 outer walls of center pillar between a pair of engaging lug 4, the utility model discloses in, it is fixed through welding mode between engaging lug 4 and center pillar 2, every guardrail beam slab 3 of group includes at least one disconnection department, the both ends of 3 disconnection departments of guardrail beam slab correspond through second connecting piece 6 respectively and fix on a pair of engaging lug 4, and the concrete mode of connecting through second connecting piece 6 does: the second connecting piece 6 is of a U-shaped bolt structure, the second connecting piece 6 is fixedly arranged on the connecting lug 4 in a penetrating mode, and the two ends of the broken position of the guardrail beam plate 3 are respectively clamped and penetrate through the space surrounded by the corresponding second connecting piece 6 and the connecting lug 4.
The broken part of the guardrail beam plate 3 is fixed to the middle upright post 2 through a third connecting piece 7, specifically, the third connecting piece 7 comprises a U-shaped bolt 71 fixedly penetrating the middle upright post 2 and a blocking piece 72 fixedly connected to the vertical part of the U-shaped bolt 71, the blocking piece 72 tightly presses the two end parts of the broken part of the guardrail beam plate 3 to the middle upright post 2, and the blocking piece 72 covers the broken part of the guardrail beam plate 3; the third connecting piece 7 sets up between a pair of engaging lug 4, and the both ends of guardrail beam slab 3 disconnection department are further fixed to the third connecting piece 7, and the separation blade 72 can shelter from the clearance of guardrail beam slab 3 disconnection department, has increased guardrail beam slab 3's aesthetic property. The firm installation of disconnected guardrail beam slab 3 has been realized through first connecting piece 5, second connecting piece 6 and third connecting piece 7, and this mounting means not only installation, dismantlement are convenient, need not destroy guardrail beam slab 3's structure moreover, have guaranteed guardrail beam slab 3's performance.
Each section the guardrail beam plate 3 all includes the area core layer 31 that is woven by industrial yarn and the protective layer 32 of cladding in taking the core layer 31 outside, wherein the industrial yarn who adopts is dacron industrial yarn mainly, the tensile strength of single dacron industrial yarn is more than or equal to 900MPa, the breaking strength of single dacron industrial yarn is more than or equal to 8.0cN/detx, has higher shock resistance, can effectively absorb the energy that the vehicle strikes guardrail beam plate 3 when bumping into, slow down the impact force, reduce or even avoid the injury to personnel in the car, the protective layer 32 is engineering plastic layer or modified resin layer, such as ASA, modified PVC, modified ABS etc. the tensile strength of protective layer 32 is greater than 50MPa, not only can form good protection to area core layer 31, and make guardrail beam plate 3 possess fabulous impact resistance and shock-absorbing capacity.
The outer wall of the protective layer 32 is provided with a plurality of ribs 33 extending along the length direction of the guardrail beam plate 3, and the cross section of each rib 33 is of an arc-shaped structure, so that the structural strength of the guardrail beam plate 3 can be further improved.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The utility model provides an urban road guardrail, includes that two limit stands (1), at least one set up guardrail beam slab (3) on limit stand (1) and middle standing pillar (2) and the multiunit between two limit stands (1) are worn to establish, its characterized in that: multiunit guardrail beam slab (3) are vertical interval setting, every group the both ends of guardrail beam slab (3) are all fixed on limit stand (1) through first connecting piece (5), vertical interval has set firmly many pairs of engaging lug (4) on center pillar (2) outer wall, and every guardrail beam slab (3) of group includes at least one disconnection department, the both ends of guardrail beam slab (3) disconnection department correspond through second connecting piece (6) respectively and fix on a pair of engaging lug (4).
2. An urban road guardrail as claimed in claim 1, wherein: first connecting piece (5) are fixed wearing to establish on limit stand (1) for U type bolt structure and first connecting piece (5), fixedly connected with end cover (8) on first connecting piece (5), end cover (8) and the tip block of guardrail beam slab (3) and end cover (8) carry out the closing cap to the tip of guardrail beam slab (3).
3. An urban road guardrail as claimed in claim 1, wherein: the second connecting piece (6) is of a U-shaped bolt structure, the second connecting piece (6) is fixedly arranged on the connecting lug (4) in a penetrating mode, and two ends of the broken position of the guardrail beam plate (3) are respectively clamped and penetrate through the space surrounded by the corresponding second connecting piece (6) and the connecting lug (4).
4. An urban road guardrail as claimed in claim 1, wherein: the outer surfaces of the connecting lugs (4) attached to the guardrail beam plates (3) are flush with the top points of the outer walls of the middle columns (2) between the pair of connecting lugs (4).
5. An urban road guardrail as claimed in claim 1, wherein: the broken part of the guardrail beam plate (3) is fixed on the central upright post (2) through a third connecting piece (7).
6. An urban road guardrail as claimed in claim 5, wherein: the third connecting piece (7) comprises a U-shaped bolt (71) fixedly penetrating through the middle upright post (2) and a blocking piece (72) fixedly connected to the vertical portion of the U-shaped bolt (71), the blocking piece (72) tightly presses the two end portions of the broken position of the guardrail beam plate (3) to the middle upright post (2), and the broken position of the guardrail beam plate (3) is covered by the blocking piece (72).
7. An urban road guardrail as claimed in claim 1, wherein: each section of the guardrail beam plate (3) comprises a belt core layer (31) woven by industrial yarns and a protective layer (32) covering the belt core layer (31).
8. An urban road guardrail as claimed in claim 7, wherein: the protective layer (32) is an engineering plastic layer or a modified resin layer.
9. An urban road guardrail as claimed in claim 8, wherein: the outer wall of the protective layer (32) is provided with a plurality of convex edges (33) extending along the length direction of the guardrail beam plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921702623.8U CN211285426U (en) | 2019-10-12 | 2019-10-12 | Urban road guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921702623.8U CN211285426U (en) | 2019-10-12 | 2019-10-12 | Urban road guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211285426U true CN211285426U (en) | 2020-08-18 |
Family
ID=72037261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921702623.8U Active CN211285426U (en) | 2019-10-12 | 2019-10-12 | Urban road guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211285426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370020A (en) * | 2022-01-25 | 2022-04-19 | 湘潭大学 | Self-resetting anti-collision guardrail and installation method thereof |
-
2019
- 2019-10-12 CN CN201921702623.8U patent/CN211285426U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370020A (en) * | 2022-01-25 | 2022-04-19 | 湘潭大学 | Self-resetting anti-collision guardrail and installation method thereof |
| CN114370020B (en) * | 2022-01-25 | 2024-03-08 | 湘潭大学 | Self-resetting crash barrier and installation method thereof |
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