CN207672473U - A kind of freeway guardrail - Google Patents
A kind of freeway guardrail Download PDFInfo
- Publication number
- CN207672473U CN207672473U CN201721702394.0U CN201721702394U CN207672473U CN 207672473 U CN207672473 U CN 207672473U CN 201721702394 U CN201721702394 U CN 201721702394U CN 207672473 U CN207672473 U CN 207672473U
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- China
- Prior art keywords
- column
- protective plate
- bellows
- connecting plate
- pillar stand
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Abstract
The utility model is related to a kind of freeway guardrails, including column and the protective plate for being set to column side, the protective plate are corrugated sheet, and the column is formed by connecting by the lower pillar stand, column bellows expansion joint and upper pillar stand being arranged from the bottom up；It is fixedly connected by protective plate expansion joint between the recess portion and column of the protective plate, the protective plate expansion joint includes the first connecting plate, the second connecting plate, bellows and elastic filler, first connecting plate is fixedly connected with column, second connecting plate is fixedly connected with the recess portion of protective plate, the bellows is connected between the first connecting plate and the second connecting plate, and the elastic filler filling is in bellows.The common Bellows Technology of pipeline field is applied on freeway guardrail by the utility model, the characteristics of capable of absorbing axial deformation using bellows, the anticollision deformability for improving column and protective plate reduces the damage degree of vehicle, improves the safety coefficient of driver and crew member.
Description
Technical field
The utility model belongs to road traffic facility field, and in particular to a kind of freeway guardrail.
Background technology
As highway, city intersection etc. are largely built and global auto recoverable amount is significantly increased, traffic accident
Ascendant trend is also presented in incidence, and therefore, high speed public affairs usually can be all arranged in the trackside of highway or the both sides of median strip
Road guardrail, currently, the requirement to freeway guardrail is as follows：1, require its intensity high, vehicle is run-off-road, causes vehicle to prevent
Ruin the accident that people dies；2, guardrail rigidity is required to want small, to reduce the damage of vehicle and the injures and deaths of passenger.Current highway shield
Column is mainly made of the guardrail board of column and portion disposed thereon, and guardrail board is typically designed as corrugated sheet, and automobile bumps against guardrail board
On, by the deformation energy-absorbing of corrugated sheet, but be rigid column and corrugated sheet deformability and absorbability ability it is limited,
And guardrail board is easily broken under the effect of impact of automobile, is easy to cause secondary injury to the safety of vehicle and crew member.
Corrugated expansion joint is a kind of expansion joint made of metal, it can stretch in the axial direction, is also allowed a small amount of curved
Song predominantly ensures pipe safety operation.Corrugated expansion joint be a kind of flexibility, thin-walled, have a transverse wave there is flexible work(
The device of energy, it is made of metal bellows and component.The operation principle of corrugated expansion joint mainly utilizes the elasticity of itself
Telescopic, generated due to thermal deformation, mechanically deform and various mechanical oscillation axial, angular, lateral of compensation pipeline and its
Combine displacement, the effect of compensation have the function of it is pressure-resistant, seal, be corrosion-resistant, resistance to temperature, impact resistance, vibration and noise reducing, play reduction
Pipe deforming and the effect for improving pipeline service life.Currently, corrugated expansion joint is mainly used in compensation of pipeline, not yet it is used for
In terms of freeway guardrail.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of freeway guardrail, highway is improved
The energy absorption ability of guardrail reduces the impact force of shock.
To achieve the above object, the technical solution that the utility model is taken is：A kind of freeway guardrail, including column and
It is set to the protective plate of column side, the protective plate is corrugated sheet, and the column is by the lower pillar stand, the column that are arranged from the bottom up
Bellows expansion joint and upper pillar stand are formed by connecting, and underground is inserted into the lower end of the lower pillar stand, the upper end of the lower pillar stand and upper vertical
The lower end of column is fixedly connected by ring flange with the both ends of column bellows expansion joint respectively；
It is fixedly connected by protective plate expansion joint between the recess portion and column of the protective plate, the protective plate expansion joint packet
The first connecting plate, the second connecting plate, bellows and elastic filler are included, first connecting plate is fixedly connected with column, described
Second connecting plate is fixedly connected with the recess portion of protective plate, and the bellows is connected between the first connecting plate and the second connecting plate,
The elastic filler filling is in bellows.
Wherein, the lower end outside of the lower pillar stand is equipped with steel reinforcement cage, and the lower end outside of the lower pillar stand has poured concrete
Stake.
Further, the concrete-pile includes concrete column and concrete cap, and the concrete column is located at underground, institute
Concrete cap is stated to be located on ground.
Wherein, the protective plate is fixedly connected by two anticollision metal layers and the acoustical cotton layer between two anticollision metal layers
It forms.
Wherein, it is packed with rubber column in the column bellows expansion joint.
Preferably, the protective plate includes the protrusion of two recess portions in face of column and two recess portions of connection, each described recessed
Protective plate expansion joint is connected between portion and column.
Further, the side of the separate column of the protective plate is equipped with spongy layer.
Compared with prior art, the utility model has the advantages that：The utility model is common by pipeline field
The characteristics of Bellows Technology using bellows applied to that on freeway guardrail, can absorb axial deformation, improves the anticollision of column
Deformability.Bellows, impact force when buffer protection plate is hit, drop are also provided between the protective plate and column of the utility model
The damage degree of low vehicle improves the safety coefficient of driver and crew member.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment one；
Fig. 2 is the enlarged drawing of the sectional view of protective plate in embodiment one；
Fig. 3 is the sectional view of embodiment one；
Fig. 4 is the enlarged drawing at A in Fig. 3.
Reference sign：1, column；100, lower pillar stand；101, column bellows expansion joint；102, upper pillar stand；2, it protects
Plate；200, anticollision metal layer；201, acoustical cotton layer；3, protective plate expansion joint；300, the first connecting plate；301, the second connecting plate；
302, bellows；303, elastic filler；4, steel reinforcement cage；5, concrete-pile；500, concrete column；501, concrete cap；6, rubber
Rubber column gel column；7, spongy layer.
Specific implementation mode
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
It please refers to shown in 1~Fig. 4 of Figure of description, the utility model is a kind of freeway guardrail, including column 1 and is set
It is placed in the protective plate 2 of 1 side of column, the protective plate 2 is corrugated sheet, and the column 1 is by the lower pillar stand that is arranged from the bottom up
100, column bellows expansion joint 101 and upper pillar stand 102 are formed by connecting, and underground is inserted into the lower end of the lower pillar stand 100, under described
The upper end of column 100 and the lower end of upper pillar stand 102 are fixed by the both ends of ring flange and column bellows expansion joint 101 respectively to be connected
It connects.It is packed with rubber column 6 in the column bellows expansion joint 101.
The protective plate 2 includes two in face of the protrusion of two recess portions of the recess portions of column 1 and connection, each recess portion with it is vertical
Be connected with protective plate expansion joint 3 between column 1, the protective plate expansion joint 3 include the first connecting plate 300, the second connecting plate 301,
Bellows 302 and elastic filler 303, first connecting plate 300 are fixedly connected with column 1, second connecting plate 301 with
The recess portion of protective plate 2 is fixedly connected, and the bellows 302 is connected between the first connecting plate 300 and the second connecting plate 301, institute
The filling of elastic filler 303 is stated in bellows 302.
The lower end outside of the lower pillar stand 100 is equipped with steel reinforcement cage 4, and the lower end outside of the lower pillar stand 100 has poured coagulation
Native stake 5.
The concrete-pile 5 include concrete column 500 and concrete cap 501, the concrete column 500 be located at ground it
Under, the concrete cap 501 is located on ground.
In the present embodiment, the protective plate 2 is by two anticollision metal layers 200 and the suction between two anticollision metal layers 200
Sound cotton layer 201 is formed by fixedly connecting, and spongy layer 7 is additionally provided on the outside of the anticollision metal layer far from column 1.
The protective plate 2 can be designed to by two pieces of corrugated sheets and the corrugated plating being connected between two pieces of corrugated sheets connection and
At the wave direction of corrugated plating is vertical with the wave direction of corrugated sheet.
Bellows used in column bellows expansion joint and protective plate expansion joint in the present embodiment is needed than conventional wave
The thickness of pipe wall of line pipe, to meet the strength and stiffness requirement of guardrail.
The operation principle of the utility model is：The utility model between the upper pillar stand and lower pillar stand of column and column and
Bellows expansion joint is respectively provided between corrugated sheet, absorbing column using the bellows expansion joint between upper pillar stand and lower pillar stand is hit
When axial deformation, using between column and corrugated sheet bellows expansion joint absorb corrugated sheet hit when radial deformation, it is comprehensive
The anticollision ability for improving freeway guardrail is closed, the impact force of shock is reduced, improves the safety coefficient of driver and crew member.
Above specific implementation mode is only the preferred embodiment of this creation, all in this wound not to limit this creation
Any modification, equivalent substitution, improvement and etc. done within the spirit and principle of work, should be included in this creation protection domain it
It is interior.
Claims (7)
1. a kind of freeway guardrail, including column (1) and the protective plate (2) for being set to column (1) side, the protective plate
(2) be corrugated sheet, which is characterized in that the column (1) by be arranged from the bottom up lower pillar stand (100), column bellows expansion
Section (101) and upper pillar stand (102) are formed by connecting, and underground is inserted into the lower end of the lower pillar stand (100), the lower pillar stand (100)
Upper end and the lower end of upper pillar stand (102) are fixedly connected by ring flange with the both ends of column bellows expansion joint (101) respectively；
It is fixedly connected by protective plate expansion joint (3) between the recess portion and column (1) of the protective plate (2), the protective plate is swollen
Swollen section (3) includes the first connecting plate (300), the second connecting plate (301), bellows (302) and elastic filler (303), described
First connecting plate (300) is fixedly connected with column (1), and the recess portion of second connecting plate (301) and protective plate (2), which is fixed, to be connected
It connects, the bellows (302) is connected between the first connecting plate (300) and the second connecting plate (301), the elastic filler
(303) filling is in bellows (302).
2. freeway guardrail according to claim 1, which is characterized in that the lower end outside of the lower pillar stand (100) is set
There are steel reinforcement cage (4), the lower end outside of the lower pillar stand (100) to pour concrete-pile (5).
3. freeway guardrail according to claim 2, which is characterized in that the concrete-pile (5) includes concrete column
(500) and concrete cap (501), the concrete column (500) are located at underground, and the concrete cap (501) is located at ground
On.
4. freeway guardrail according to claim 1, which is characterized in that the protective plate (2) is by two anticollision metal layers
(200) it is formed by fixedly connecting with the acoustical cotton layer (201) between two anticollision metal layers (200).
5. freeway guardrail according to claim 1, which is characterized in that in the column bellows expansion joint (101)
It is packed with rubber column (6).
6. freeway guardrail according to claim 1 or 4, which is characterized in that the protective plate (2) faces including two
The protrusion of two recess portions of recess portion and connection of column (1), protective plate expansion joint is connected between each recess portion and column (1)
(3)。
7. freeway guardrail according to claim 1 or 4, which is characterized in that the separate column of the protective plate (2)
(1) side is equipped with spongy layer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721702394.0U CN207672473U (en) | 2017-12-09 | 2017-12-09 | A kind of freeway guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721702394.0U CN207672473U (en) | 2017-12-09 | 2017-12-09 | A kind of freeway guardrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207672473U true CN207672473U (en) | 2018-07-31 |
Family
ID=62968025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721702394.0U Active CN207672473U (en) | 2017-12-09 | 2017-12-09 | A kind of freeway guardrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207672473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374030A (en) * | 2019-06-28 | 2019-10-25 | 河南省机西高速公路建设有限公司 | The reinforced anticollision guardrail structure of expressway bend and construction machinery and technique |
-
2017
- 2017-12-09 CN CN201721702394.0U patent/CN207672473U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374030A (en) * | 2019-06-28 | 2019-10-25 | 河南省机西高速公路建设有限公司 | The reinforced anticollision guardrail structure of expressway bend and construction machinery and technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: A11-3-12a, Guangfu City, Rixin Middle Road, Xishan District, Kunming City, Yunnan Province, 650000 Patentee after: Yunnan communications investment Highway Construction No.7 Engineering Co., Ltd. Address before: 650000 the 8 floor of an office building two, Liu Jiaying District, No. 101, Anne Road, Xishan District, Kunming, Yunnan. Patentee before: Yunnan referendum Construction Group ninth Engineering Co., Ltd. |