CN206655119U

CN206655119U - A kind of Bridge guardrail

Info

Publication number: CN206655119U
Application number: CN201720186794.4U
Authority: CN
Inventors: 廖文科
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-02-28
Filing date: 2017-02-28
Publication date: 2017-11-21
Anticipated expiration: 2027-02-28

Abstract

The utility model provides a kind of Bridge guardrail, including, column, the column is embedded in bridge side to be installed；Also include, buffer sleeve；The cushion collar jacket casing can rotate loaded on outside the column along the circumferencial direction of the column.The utility model Bridge guardrail can reduce transverse direction, the longitudinal acceleration value of occupant in collision process, reduce personnel's injury, and reduce vehicle and the deformation extent of damage simultaneously.Because the longitudinal stress in collision process is force of rolling friction, much smaller than the sliding friction between conventional guard rail and errant vehicle, collision time is reduced, increase wheel rolls speed away from.Resistance is is gradually reduced in collision process, and then reduces driver's operation difficulty in collision process, vehicle guidance to bridge floor can be reduced into second accident risk.

Description

A kind of Bridge guardrail

Technical field

Railing technical field is the utility model is related to, especially a kind of Bridge guardrail.

Background technology

Bridge guardrail is used for bridge floor, and buffering and protective effect are played to vehicle, avoids vehicle derailing bridge floor, and make to strike The vehicle of bridge returns to bridge floor in time, reduces the generation of security incident.Existing highway bridge guardrail works as vehicle by setting corrugated guardrail When hitting, corrugated guardrail absorbs collision energy by deforming, and forces vehicle to change direction, prevents vehicle from going out bridge Face, cause major accident.But in the prior art, with Bridge guardrail when hitting, horizontal, the longitudinal direction of occupant accelerate vehicle Degree can not be gradually reduced, and easily occupant is damaged.And hit in vehicle operating difficulty increase, cause vehicle can not as early as possible with shield Column departs from collision, causes second accident risk.

Utility model content

The purpose of this utility model is to provide a kind of Bridge guardrail, solves existing highway bridge guardrail and changes middle performance and to vehicle The technical problem of steering capability difference.

In order to achieve the above object, the utility model provides following technical scheme：

A kind of Bridge guardrail, including, column, the column is embedded in bridge side to be installed；Also include, buffer sleeve； The cushion collar jacket casing can rotate loaded on outside the column along the circumferencial direction of the column.

Wherein, the buffering sleeve includes, outer barrel, inner cylinder and connection sheet；The outer barrel concentric locking collar is loaded on outside the inner cylinder； The connection sheet is arranged in the interlayer between inner cylinder and outer barrel, along the radially uniform arrangement of the inner cylinder, by the inner cylinder and institute Outer barrel is stated to be fixedly connected.

Wherein, the cross section undulate of the connection sheet.

Wherein, the connection sheet is sandwich construction, including, fibre reinforced plastics outer layer and hollow steel plate core layer；The glass Glass fibre reinforced plastics outer layer is fitted in inside and outside the hollow steel plate core layer.

Wherein, filled honeycomb interlayer at the gap between two neighboring connection sheet, the cell thin slice of the honeycomb interlayer Material be stainless steel, thickness 1-3mm.

Wherein, in addition to, rubber buffer bar, the shape of the rubber buffer bar and the cell shape of the honeycomb interlayer It is adapted, is arranged in the cell of the honeycomb interlayer.

Wherein, the outer barrel surface attachment reflecting strips.

Bridge guardrail of the present utility model can reduce transverse direction, the longitudinal acceleration value of occupant in collision process, reduce people Member's injury, and vehicle and the deformation extent of damage are reduced simultaneously.It is remote small because the longitudinal stress in collision process is force of rolling friction Sliding friction between conventional guard rail and errant vehicle, reduces collision time, and increase wheel rolls speed away from.Resistance in collision process To be gradually reduced, and then driver's operation difficulty in collision process is reduced, vehicle guidance to bridge floor can be reduced second accident wind Danger.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is cross-sectional view of the present utility model；

Fig. 2 is the partial cross sectional structural representation of the utility model connection sheet；

Fig. 3 is the utility model section structural representation；

Fig. 4 is structural representation of the utility model honeycomb interlayer in filled rubber buffer bar；

Fig. 5 is use state diagram of the present utility model.

Embodiment

Below in conjunction with accompanying drawing of the present utility model, the technical solution of the utility model is clearly and completely described, Obviously, described embodiment is only the utility model part of the embodiment, rather than whole embodiments.Based on this practicality Embodiment in new, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made Example is applied, belongs to the scope of the utility model protection.

According to Fig. 1-5, illustrate Bridge guardrail of the present utility model, including, column 1, column 1 is embedded in bridge to be installed Two sides of beam.The structure for buffering sleeve is to include outer barrel 2, inner cylinder 3 and connection sheet 4, outer barrel 2 with inner cylinder 2 is concentric is set with, connection Piece 4 is installed in the interlayer of inside and outside cylinder, and the both sides of connection sheet 4 are integrally welded with inside and outside cylinder respectively.The arrangement shape of connection sheet 4 Formula is the radially uniform arrangement along inner cylinder 3, makes interior barrel and an external barrel uniform force, and it is also more uniform to absorb external force.Preferably, connect Piece 4 selects sandwich construction, including fibre reinforced plastics outer layer 401 and hollow steel plate core layer 402, fibre reinforced plastics outer layer 401 By the stickers of SIKA 265 together in hollow steel plate core layer 402 inside and outside.The toughness of fibre reinforced plastics is less than hollow steel plate, When being subjected to impact, after fibre reinforced plastics first crush absorption part of impact force, impulsive force enters hollow steel plate core layer, hollow steel Plate core layer stress deformation, continue to absorb part of impact force.Preferably, to ensure that connection sheet 4 fully absorbs impact force deformation, reduce Injury to vehicle, the cross section undulate of connection sheet 4.In order to further increase the buffer capacity to shock of buffering sleeve Power.The filled honeycomb interlayer 5 in the gap of two neighboring connection sheet 4, the material of the cell thin slice of honeycomb interlayer 5 are elected as stainless Steel, thickness 1-3mm.When being subjected to impact, honeycomb interlayer can carry out deformation and absorb impulsive force, further reduce impact again Power.By cushion collar jacket casing loaded on outside the column, i.e., column 1 is inserted in inner cylinder 3, and the diameter of inner cylinder 3 is more than the diameter of column 1, makes Sleeve, which must be buffered, to be rotated along the circumferencial direction of column 1.When Bridge guardrail is struck to lose control of one's vehicle, vehicle and buffering sleeve Mutually hit, if impact is smaller, the longitudinal stress in collision process is changed into force of rolling friction.Sleeve is buffered in rotation process, Vehicle is run forward along some buffering sleeves, vehicle heading be oriented to, avoids vehicle from turn-taking or go out outside bridge floor, The direction to control difficulty of collision vehicle is reduced simultaneously, improves security.When impact is larger, is deformed, connected by outer sleeve Piece deforms and honeycomb interlayer deformation absorbs impulsive force successively, and rotates reduction longitudinal acceleration, reduction pair by buffering sleeve In the injury of occupant.

In a kind of optional embodiment, further to absorb impact power, occupant safety coefficient is improved, is pressed from both sides in honeycomb Rubber buffer bar 6 is added in the cell of layer 5, the shape of rubber buffer bar 6 is adapted with the cell shape of honeycomb interlayer 5.

In a kind of optional embodiment, in the surface mount reflecting strips (not shown) of outer barrel.The patch method of reflecting strips with And shape belongs to prior art, suggesting effect can be played at night, reduce the generation of shock.

It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be described with power The protection domain that profit requires is defined.

Claims

1. a kind of Bridge guardrail, including, column, the column is embedded in bridge side to be installed；It is characterized in that：Also include, Buffer sleeve；The cushion collar jacket casing can rotate loaded on outside the column along the circumferencial direction of the column；The buffering sleeve Including outer barrel, inner cylinder and connection sheet；The outer barrel concentric locking collar is loaded on outside the inner cylinder；The connection sheet be arranged at inner cylinder with it is outer In interlayer between cylinder, along the radially uniform arrangement of the inner cylinder, the inner cylinder is fixedly connected with the outer barrel；The connection sheet Cross section undulate.

A kind of 2. Bridge guardrail according to claim 1, it is characterised in that：The connection sheet is sandwich construction, including, it is fine Tie up reinforced plastics outer layer and hollow steel plate core layer；The fiberglass reinforced plastics outer layer is fitted in the hollow steel plate core layer Outer both sides.

A kind of 3. Bridge guardrail according to claim 2, it is characterised in that：Filled out at gap between two neighboring connection sheet Fill honeycomb interlayer, the material of the cell thin slice of the honeycomb interlayer is stainless steel, thickness 1-3mm.

A kind of 4. Bridge guardrail according to claim 3, it is characterised in that：Also include, rubber buffer bar, the rubber delays Rush the shape of bar to be adapted with the cell shape of the honeycomb interlayer, be arranged in the cell of the honeycomb interlayer.

A kind of 5. Bridge guardrail according to claim 1, it is characterised in that：The outer barrel surface mounts reflecting strips.