CN209482211U - A kind of collapse type highway edge guardrail - Google Patents

Abstract

The utility model provides a kind of collapse type highway edge guardrail, belongs to road equipment technical field.This freeway guardrail includes the bottom supporting beam and the top support beam parallel with bottom supporting beam being fixedly linked with ground, and spaced set has several connecting columns between bottom supporting beam and top support beam；Connecting column includes several support sections, a spring stack is connected between adjacent supports section, upper end positioned at the support section of topmost is connected with top support beam, lower end positioned at the support section of lowest part is fixedly linked with corresponding bottom supporting beam, it is connected between adjacent two supports section by a casing, the spring stack between two support sections that casing package is attached thereto, is threadedly coupled between casing and support section, a cushion collar is fixedly installed outside casing.The utility model has many advantages, such as that vehicle side turning can be prevented.

Description

A kind of collapse type highway edge guardrail

Technical field

The utility model belongs to road equipment technical field, is related to a kind of collapse type highway edge guardrail.

Background technique

With the rapid development of economy, automobile is commonly used as a kind of convenient and fast vehicles.In China, not people having a common goal The speed limit on road is also different, for example, the general speed limit in urban road is 40 kilometer per hours, the general speed per hour of common road is 40- 80 kilometer per hours, the general speed per hour of highway is 60-120 kilometer per hours, therefore is mostly to knock into the back in the traffic accident in urban district Accident, on common road or highway, since automobile speed is too fast, frequent accidents occur, wherein the most serious It is that the automobile run at high speed bumps against on the protective fence among roadside or road, and these protective fences are by concrete building brick or by being spaced The concret block of setting and the horizontal bar for connecting adjacent block are constituted, then either connect structure with column by the cross bar of steel construction At still, these protective fences can not absorb the collision kinetic energy of automobile, and by the opposition of protective fence after collision, automobile is turned over Turn or reversion deviates former lane, is easy to that secondary collision occurs with the automobile run at high speed, more Automobiles is caused to ruin people It dies, exacerbates the harmfulness of accident.

For above-mentioned traffic accident, Chinese utility model patent (CN202116999U) discloses a kind of be spaced and connects at present Traffic guardrail of the ground formula with rotary body, including column, the elastic rotary body being sheathed on column, are respectively arranged at elastic rotary body Above and below upper rail and bottom rail, the rotation for being set on column and being arranged between bottom rail and elastic rotary body Supporting, column include the long column and short column being arranged alternately, and long column is extended downward into below bottom rail to be formed to install and be fallen The both ends in ground portion, short column are connected with upper rail and bottom rail respectively.

For another example Chinese utility model patent (CN102027173A) discloses a kind of shock-absorbing installation for roadway, is set to Road Central Line or road roadside, when colliding with vehicle, absorption disperses impact caused by it, comprising: pillar, in road Central Line or road roadside are buried fixed at regular intervals and are in cylinder body shape；Support tube is rotated, by that built in pillar and can carry out Rotation；Multiple buffering roller members form combined mouth to be rotationally arranged at the outer peripheral surface of rotation support tube, and inside/outside portion is in one The cylindrical shape of figure elastic rubber material, and high brightness reflective tape is set outside it；Safety rails, on buffering roller member Be set at a certain distance it is multiple, it is each integral horizontally disposed in the up/down portion of each pillar；First rotation catching sheet, center It is provided with combined hole, and is set to the outer peripheral surface up/down end for being provided with the rotation support tube of buffering roller member, in combined hole Inner peripheral surface a part forms the second fixing groove and forms multiple radial first protruding portions projected upwards in its one side, to revolve The one side for turning support tube forms the first fixing groove, to be fixed by the first fixed pin；Second rotation catching sheet, center It is provided with above-mentioned combined hole, and is separately positioned on the up/down end of pillar, so that the second rotation catching sheet be made to be set to difference The lower part of first rotation catching sheet of rotation support tube up/down end is set, forms the in inner peripheral surface a part of combined hole Four fixing grooves, to form third fixing groove in the one side of pillar, thus be fixed by the second fixed pin, and in its one side shape At multiple radial first protruding portions projected upwards, to rotate the face kissing for forming the first protruding portion in catching sheet with first It closes.

The relatively traditional road guard-rail of above two guardrail structure can play when preferably reducing car crass Damage, but they are relatively complex, in actual use, due to the limitation in structure, install time-consuming and laborious, labor Fatigue resistance is big, and working efficiency is low.More important is this structure still effectively can not prevent automobile from turning on one's side.

Utility model content

The purpose of this utility model is aiming at the above problems existing in the prior art, to provide a kind of collapse type highway Edge guardrail, technical problem to be solved in the utility model are to carry out how when automobile and guardrail are hit to automobile Buffering, and prevent automobile from turning on one's side.

The purpose of this utility model can be realized by the following technical scheme: a kind of collapse type highway edge guardrail, It is characterized in that, this freeway guardrail includes the bottom supporting beam being fixedly linked with ground and the top parallel with bottom supporting beam Portion's supporting beam, spaced set has several connecting columns between the bottom supporting beam and top support beam；The connecting column includes Several supports save, and are connected with a spring stack between adjacent supports section, upper end and top support beam positioned at the support section of topmost It is connected, the lower end positioned at the support section of lowest part is fixedly linked with corresponding bottom supporting beam, leads between adjacent two supports section It crosses a casing to be connected, the spring stack between two support sections that described sleeve pipe package is attached thereto, described sleeve pipe and support save Between be threadedly coupled, a cushion collar is fixedly installed outside described sleeve pipe.

Under normal circumstances, adjacent supports section sleeve positions, and connecting column is made to be in longitudinal bracing state, and does not have slow Punching and deformability；When guardrail is by automobile impacting, cushion collar by vehicle traveling direction active force and rotate, to make Casing is detached from the connection of a support section in two support sections being attached thereto, and is only connected by spring stack between adjacent supports section It connects, so as to the deformation under the effect of the impact force of automobile, is in the curved surface to automobile impacting direction indent after deformation, passes through company The deformation for connecing column makes guardrail other than it can carry out the guiding and buffering of driving direction to automobile, additionally it is possible to pass through certain model Interior guardrail crumple is enclosed, realization slows down automobile by the purpose for hitting impact force.

In this guardrail, there is longitudinal movement during rotating due to cushion collar, and be detached from a wherein support in casing After section, spring stack makes guardrail that impact force be carried out multidirectional decomposition when being hit there is also longitudinal stretching deformation, to mention High buffering effect, after guardrail deformation, top braces beam strength is higher, and its terrain clearance is between 1.2 meters to 1.5 meters, greatly In the height of common private car headstock, headstock can be limited by top guardrail, make deformed guardrail in top shape substantially not Become, the pocket reticular structure that only middle part is recessed to the direction that is impacted, rollover when effectively automobile can be avoided to hit.

In a kind of above-mentioned collapse type highway edge guardrail, between adjacent casing, be located at the lowermost casing with Guarantor's type pipe, guarantor's type pipe are connected separately between the supporting beam of bottom, between the casing and top support beam of the top For bellows.

Guarantor's type pipe can vertically move easily to avoid casing, can also provide resistance when casing vertically moves, make Buffering effect and energy-absorbing effect are more preferable.

In a kind of above-mentioned collapse type highway edge guardrail, a wave is provided with below the top support beam The evacuation plate of line shape, the evacuation plate are formed by a horizontal straight panel in longitudinal direction cyclic bending.

When automobile and guardrail are hit, if automobile can not cross over guardrail, the direction turned on one's side is vehicle body Lateral another side to overturn is hit, in order to preferably prevent vehicle side turning, evacuation plate can vacate certain longitudinal sky by deforming Between, make headstock while longitudinal tilting force of rollover is buffered, and can contain that headstock is hit side and stuck up by way of resigning It rises.

In a kind of above-mentioned collapse type highway edge guardrail, the cushion collar is made of rubber material.

In a kind of above-mentioned collapse type highway edge guardrail, the cushion collar is made of plastic material, described slow Punching set is hollow structure.

In a kind of above-mentioned collapse type highway edge guardrail, guarantor's type pipe is made of EVA material.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of this guardrail.

Fig. 2 is the sectional view in Fig. 1 on the direction A-A.

Fig. 3 is the schematic perspective view of cushion collar.

In figure, 1, bottom supporting beam；2, top support beam；3, connecting column；31, support section；32, spring stack；33, casing； 34, cushion collar；35, guarantor's type pipe；4, plate is avoided.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

As depicted in figs. 1 and 2, this freeway guardrail includes the bottom supporting beam 1 being fixedly linked with ground and and bottom The parallel top support beam 2 of supporting beam 1, spaced set has several connecting columns 3 between bottom supporting beam 1 and top support beam 2； Connecting column 3 includes several supports section 31, a spring stack 32 is connected between adjacent supports section 31, positioned at the support section 31 of topmost Upper end be connected with top support beam 2, positioned at lowest part support section 31 lower end and corresponding 1 stationary phase of bottom supporting beam Even, be connected between adjacent two supports section 31 by a casing 33, casing 33 wrap up two supports being attached thereto save 31 it Between spring stack 32, be threadedly coupled between casing 33 and support section 31, a cushion collar 34 be fixedly installed outside casing 33.

Under normal circumstances, 31 sleeve 33 of adjacent supports section positions, and so that connecting column 3 is in longitudinal bracing state, and not With buffering and deformability；When guardrail is by automobile impacting, cushion collar 34 by vehicle traveling direction active force and revolve Turn, thus the connection for a support section 31 for being detached from casing 33 in two support sections 31 being attached thereto, adjacent supports section 31 Between only connected by spring stack 32, so as to the deformation under the effect of the impact force of automobile, in automobile impacting side after deformation The curved surface to concave makes guardrail in addition to that can carry out the guiding of driving direction to automobile and buffer it by the deformation of connecting column 3 Outside, additionally it is possible to which, by a certain range of guardrail crumple, realization slows down automobile by the purpose for hitting impact force.

In this guardrail, there is longitudinal movement during rotating due to cushion collar 34, and be detached from wherein one in casing 33 After support section 31, spring stack 32 makes guardrail that impact force be carried out multidirectional point when being hit there is also longitudinal stretching deformation Solution, to improve buffering effect, after guardrail deformation, 2 intensity of top support beam is higher, and its terrain clearance is at 1.2 meters to 1.5 Between rice, greater than the height of common private car headstock, headstock can be limited by top guardrail, make deformed guardrail in top shape Shape is basically unchanged, the pocket reticular structure that only middle part is recessed to the direction that is impacted, side when effectively automobile can be avoided to hit It turns over.

As shown in Figures 2 and 3, between adjacent casing 33, between the lowermost casing 33 and bottom supporting beam 1, position Guarantor's type pipe 35 is connected separately between the casing 33 and top support beam 2 of the top, guarantor's type pipe 35 is bellows.Guarantor's type pipe 35 can vertically move easily to avoid casing 33, can also provide resistance when casing 33 vertically moves, make buffering effect It is more preferable with energy-absorbing effect.

The lower section of top support beam 2 is provided with a undulatory evacuation plate 4, and evacuation plate 4 is by a horizontal straight panel vertical It is formed to direction cyclic bending.When automobile and guardrail are hit, if automobile can not cross over guardrail, turn on one's side Direction is that vehicle body is hit lateral another side to overturn, and in order to preferably prevent vehicle side turning, evacuation plate 4 can vacate one by deformation Fixed longitudinal space makes headstock while longitudinal tilting force of rollover is buffered, and can contain vehicle by way of resigning Head is hit side tilting.

Cushion collar 34 is made of rubber material；Cushion collar 34 can also be made of plastic material, and cushion collar 34 is hollow knot Structure；Guarantor's type pipe 35 is made of EVA material.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (6)

1. a kind of collapse type highway edge guardrail, which is characterized in that this freeway guardrail includes being fixedly linked with ground Bottom supporting beam (1) and the top support beam parallel with bottom supporting beam (1) (2), the bottom supporting beam (1) and top branch Spaced set has several connecting columns (3) between support beam (2)；The connecting column (3) includes several support sections (31), adjacent supports A spring stack (32) are connected between section (31), the upper end positioned at the support section (31) of topmost is connected with top support beam (2), Lower end positioned at the support section (31) of lowest part is fixedly linked with corresponding bottom supporting beam (1), and adjacent two supports save (31) Between be connected by casing (33), the spring stacks between two support sections (31) that described sleeve pipe (33) package is attached thereto (32), it is threadedly coupled between described sleeve pipe (33) and support section (31), a cushion collar is fixedly installed outside described sleeve pipe (33) (34)。

2. a kind of collapse type highway edge guardrail according to claim 1, which is characterized in that adjacent casing (33) it Between, the casing (33) between the lowermost casing (33) and bottom supporting beam (1), positioned at the top and top support beam (2) guarantor's type pipe (35) is connected separately between, guarantor's type pipe (35) is bellows.

3. a kind of collapse type highway edge guardrail according to claim 1 or claim 2, which is characterized in that the top braces A undulatory evacuation plate (4) is provided with below beam (2), the evacuation plate (4) is by a horizontal straight panel in longitudinal direction Cyclic bending is formed.

4. a kind of collapse type highway edge guardrail according to claim 1 or claim 2, which is characterized in that the cushion collar (34) it is made of rubber material.

5. a kind of collapse type highway edge guardrail according to claim 1 or claim 2, which is characterized in that the cushion collar (34) it is made of plastic material, the cushion collar (34) is hollow structure.

6. a kind of collapse type highway edge guardrail according to claim 2, which is characterized in that guarantor's type pipe (35) is EVA material is made.