CN207944387U - A kind of highway guard rail - Google Patents

Abstract

The utility model discloses a kind of highway guard rails, including column and protection crossbeam, it is equipped with connector between the column and protection crossbeam, the connector is equipped with the second joint face connected with matched first joint face of column outer wall and with protection crossbeam, second joint face is inner concave arc surface structure, and the protection crossbeam is connected by connection component with connector；The quantity of the protection crossbeam is at least three, arc-shaped laying.The utility model connection structure is simple, installs rapid and convenient, stable connection, protect the displacement deformation of crossbeam big, obstruction block takes the lead in deforming in collision process, can gradually be discharged to hitting the energy generated, improve cushion performance, security performance higher, lighter weight, installation difficulty are low, uvioresistant, wet-heat resisting, flame retardant effect is good, and service life is long.

Description

A kind of highway guard rail

Technical field

The application belongs to highway protective equipment technical field, more particularly, to a kind of highway guard rail.

Background technology

Traditional highway guard rail is typically the connection structure mutually spliced with corrugated steel guard rail plate and supported by principal post, Above structure has the disadvantage that：

1, steel is as hard material, and extension at break only has 3% or so, and deformation extent is smaller, and the effect of energy-absorbing is poor.

2, it has a car accident or when strong shock, it is easy to be inserted into car body steel guard rail plate electrode, is caused to the personnel on vehicle Larger injury.

3, the shielded area of steel guard rail plate is larger, when being mounted on both sides of the road, due to seeing the shield of relatively long distance for a long time Column can cause the pedestrian on road a kind of strong constriction, affect to traveling.

4, for the more rugged road in mountain area, the installation of hard steel guard rail plate is inconvenient, and the place of bending needs spy Different processing could realize continuous installation, and prodigious difficulty is brought to installation.

5, the manufacture energy consumption of steel guard rail plate is higher, especially anti-corrosion galvanizing process, and carbon emission amount is larger, can be caused to environment Serious pollution, effects of energy conservation and environmental protection are bad.

6, steel guard rail full-length 4.32m, every kilometer needs 1000, and more than 60 tons of total weight, when installation needs monolithic spiral shell It tethers and connects, and transport etc. is costly.

The connection type of above-mentioned steel guard rail plate is also relatively simple, and processing method is relatively simple, cannot be well adapted for various rings Border situation.

Based on this, the application is made.

Utility model content

For overcome the deficiencies in the prior art, the application provides a kind of install convenient, stable connection, security performance high public affairs Road protective fence.

Technical solution is used by the application solves its technical problem：

A kind of highway guard rail, including column and protection crossbeam, connector is equipped between the column and protection crossbeam, should Connector is equipped with the second joint face connected with matched first joint face of column outer wall and with protection crossbeam, described Second joint face is inner concave arc surface structure, and the protection crossbeam is connected by connection component with connector；The protection crossbeam Quantity is at least three, arc-shaped laying.

When vehicle etc., which forms protective fence, to be hit, protection crossbeam flexible generates larger deformation displacement, can be formed Impact force is then transferred to connector by good cushioning effect, and connector takes the lead in deforming, and dilutes energy, then gradually transmit, Energy is discharged step by step, the energy of rebound carriage return minimizes after energy is absorbed, and security performance is improved；It is interior The setting of cancave cambered surface is so that the connection of protection crossbeam and connector is even closer.

Further, the connector is equipped with mounting hole, and the connection component includes that crossbeam will be protected to be butted on the second company Regulating part, gasket and the fastener of junction, the regulating part end are connected after passing through mounting hole with fastener.Equidistant cloth on road surface If multiple columns, the column at both ends will protect crossbeam to stretch, and traditional connection type, intermediate column only forms support work With the regulating part in the application will protect crossbeam to offset to the second joint face direction so that regulating part and column not only undertake Horizontal beam action is protected in support, but makes intermediate each column also stress, and protection crossbeam is preferably extended stretching.

Further, the connector is in the U-shaped structure of upper and lower outward opening.

Further, the protection crossbeam includes upper and lower upper protection crossbeam, middle protection crossbeam and lower protection disposed in parallel Crossbeam, the upper protection crossbeam and lower protection crossbeam are located in same perpendicular, and the middle protection crossbeam is compared to upper protection Crossbeam is arranged closer to column.Upper protection crossbeam, middle protection crossbeam and lower protection crossbeam not in same perpendicular are formed The larger C character form structures of one opening are conducive to catch object when collision, and the power smaller that object is rebounded away avoids vehicle It is equal by repeated multiple times shock, injury is minimized.

Further, the connector is hollow-core construction.

Further, the protective layer that the protection crossbeam includes fibrous layer and is coated on the outside of fibrous layer.The density of fiber Small, specific strength is high, plays the role of shock proof, can effectively absorb the energy on the crash such as vehicle column, good buffer effect is protected The setting of sheath not only forms good protection to fibrous layer, extends the service life of protective fence, and increases protective fence Intensity transfers energy to fibrous layer after absorbing the energy of Vehicular impact, and energy is gradually discharged, and security performance is more preferably.

Further, the protective layer is thermoplastic resin layer.

Further, the thermoplastic resin layer uses main component for the resin layer of PVC.Can outside protective layer side spray Coating colour, mark etc., increase protective fence and landscape consistency, so that it is combined together with environment, aesthetics higher, can pleasure drive The mood for the person of sailing, and then improve the security performance of traveling.

Further, the protective layer outer wall is equipped with several fins extended along crossbeam length direction.Fin not only increases The intensity of protective fence, and while installing increase its frictional force between connection component, play the role of it is anti-skidding, installation it is firm Property is more preferably.

Further, the fibrous layer is made of plurality of fibers, and the tensile strength of the single fiber is more than or equal to The fracture strength of 900MPa, the single fiber are more than or equal to 8.0cN/dtex, and the tensile strength of the protective layer is more than or equal to 30MPa。

The advantageous effect of the application is：Connection structure is simple, installs rapid and convenient, and stable connection protects the displacement of crossbeam Deformation is big, and obstruction block takes the lead in deforming in collision process, can gradually be discharged to hitting the energy generated, improve resiliency Can, security performance higher, lighter weight, installation difficulty is low, and uvioresistant, wet-heat resisting, flame retardant effect is good, and service life is long.

Description of the drawings

Fig. 1 is the structural schematic diagram of the application.

Fig. 2 is the overlooking structure diagram of connector.

Fig. 3 is the assembling structure schematic diagram of connector and regulating part.

Fig. 4 is the structural schematic diagram one for protecting crossbeam partly cut-away protective layer.

Fig. 5 is the structural schematic diagram two for protecting crossbeam partly cut-away protective layer.

Fig. 6 is the cross-sectional view for protecting crossbeam.

Specific implementation mode

In order to make those skilled in the art be better understood from application scheme, below in conjunction in the embodiment of the present application Attached drawing, technical solutions in the embodiments of the present application carry out clear, complete description, it is clear that described embodiment is only A part of the embodiment of the application, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people The every other embodiment that member is obtained without making creative work should all belong to the model of the application protection It encloses.

Referring to Fig.1-3, a kind of highway guard rail, including the column 1 on the ground of being connected, the connection being connected on column 1 The protection crossbeam 2 of part 3 and stretched vertically on column 1.Connector 3 be in perforative hollow structure, the trapezoidal structure in cross section, Two parallel faces are inner concave arc surface structure, wherein coincideing in the outer wall of the first joint face 31 and column 1 of concave arc And be fixedly connected, it is connected in the second joint face 32 and protection crossbeam 2 of concave arc.

Protection crossbeam 2 is connected in by connection component on connector 3, specifically, being opened up on connector 3, there are two installations Hole, connection component include U-shaped regulating part 41, fastener 43 and the pad being arranged between 3 inner wall of fastener 43 and connector The free end of piece 42, regulating part 41 has external thread structure, is threadedly coupled with fastener 43 after passing through connector 3, Yu Benshi It applies in example, fastener 43 is bolt.Since the madial wall that connector 3 and regulating part 41 coordinate is arcuate structure, annular shim 42 Setting can occur to avoid regulating part 41 when installation it is opposite deflect, the contact area of fastener 43 can be increased, increased The stability of connection.

Upper protection crossbeam 21a, middle protection crossbeam 22a and the lower protection of arc-shaped laying are installed from top to bottom on column 1 Crossbeam 23, upper protection crossbeam 21a and lower protection crossbeam 23 are located in same perpendicular, and middle protection crossbeam 22a is closer to column 1 It lays, i.e., upper protection crossbeam 21a, middle protection crossbeam 22a and lower protection crossbeam 23 are in the larger C font knots that are open from the side Structure.So as to catch the objects such as vehicle, prevent multiple impact from causing the injury of bigger to object.It can certainly install more A protective fence for forming arc.

Multiple columns of both sides of highway are equidistantly laid, and protection crossbeam stretching is connected on column, and regulating part 41 will protect horizontal Beam is firmly butted on the second joint face 32, and the second joint face 32 for sinking into indent is bent after having protection beam force flexible It is interior so that each column is for continuously protecting crossbeam to have stretching action, rather than just the column stress at both ends, therefore it is whole The stress of a protective fence everywhere is relatively uniform, and total is also more stablized, securely.

As another embodiment, with reference to Fig. 4-6, protection crossbeam 2 is the plank that section is rectangle, and plank includes setting It sets in internal fibrous layer 21b and the protective layer 22b being coated on the outside of fibrous layer 21b, protective layer 22b is by fibrous layer 21b tetra- Side is all coated on the inside.In the wherein one side wall of protective layer 22b it is parallel be laid with it is a plurality of extend along crossbeam length direction it is convex The section of rib 221, fin 221 is in arc structure, naturally it is also possible to form fin on multiple side walls of protective layer 22b.

As needed, fibrous layer 21b can be the first fibrous layer 211 and the second fibrous layer 212 of mounted on top, to Increase the quantity of fiber to reach the integral strength requirement of inner fibrous layer.The list that certain optimum state is made of plurality of fibers The fibrous layer of layer can reach target strength requirement.

Specifically, fibrous layer 21b is polyester filament fibrous layer, the tensile strength of single fiber is not less than 900MPa, breaks Resistance to spalling is more than 8.0cN/dtex；Protective layer 22b is thermoplastic resin layer, especially PVC resin layers, or with fire-retardant, anti-ageing Change the modified PVC resin layer of function, tensile strength is not less than 30MPa.

Above-mentioned specific implementation mode is used for illustrating the application, rather than limits the application, the application's In spirit and scope of the claims, to any modifications and changes that the application makes, the protection model of the application is both fallen within It encloses.

Claims (10)

1. a kind of highway guard rail, including column and protection crossbeam, it is characterised in that：It is equipped between the column and protection crossbeam Connector, the connector are equipped with the second company connected with matched first joint face of column outer wall and with protection crossbeam Junction, second joint face are inner concave arc surface structure, and the protection crossbeam is connected by connection component with connector；It is described anti- The quantity for protecting crossbeam is at least three, arc-shaped laying.

2. a kind of highway guard rail according to claim 1, it is characterised in that：The connector is equipped with mounting hole, institute It includes the regulating part, gasket and fastener that crossbeam will be protected to be butted on the second joint face to state connection component, and the regulating part end is worn It is connected with fastener after crossing mounting hole.

3. a kind of highway guard rail according to claim 2, it is characterised in that：The connector is in the U of upper and lower outward opening Type structure.

4. a kind of highway guard rail according to claim 1, it is characterised in that：The protection crossbeam includes parallel up and down sets Upper protection crossbeam, middle protection crossbeam and the lower protection crossbeam set, the upper protection crossbeam and lower protection crossbeam are located at same vertical In plane, the middle protection crossbeam is arranged compared to upper protection crossbeam closer to column.

5. a kind of highway guard rail according to claim 1, it is characterised in that：The connector is hollow-core construction.

6. a kind of highway guard rail according to claim 1, it is characterised in that：The protection crossbeam includes fibrous layer, and The protective layer being coated on the outside of fibrous layer.

7. a kind of highway guard rail according to claim 6, it is characterised in that：The protective layer is thermoplastic resin layer.

8. a kind of highway guard rail according to claim 7, it is characterised in that：The thermoplastic resin layer using mainly at It is divided into the resin layer of PVC.

9. a kind of highway guard rail according to claim 6, it is characterised in that：The protective layer outer wall is equipped with several along cross The fin that beam length direction extends.

10. a kind of highway guard rail according to claim 6, it is characterised in that：The fibrous layer is made of plurality of fibers, The tensile strength of the single fiber is more than or equal to 900MPa, and the fracture strength of the single fiber is more than or equal to 8.0cN/ The tensile strength of dtex, the protective layer are more than or equal to 30MPa.