CN210368765U

CN210368765U - Guardrail for road isolation

Info

Publication number: CN210368765U
Application number: CN201921027146.XU
Authority: CN
Inventors: 顾乐明
Original assignee: CHANGZHOU BAICHUAN NEW GUARDRAIL CO LTD
Current assignee: CHANGZHOU BAICHUAN NEW GUARDRAIL CO LTD
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-04-21
Anticipated expiration: 2029-07-03

Abstract

The utility model relates to a guardrail field especially relates to a guardrail is used in road isolation. The guardrail for road isolation comprises two stand columns and cross beams, isolation columns are connected between the cross beams, mounting holes are formed in the two cross beams, connecting seats used for being connected with the isolation columns are arranged in the mounting holes, the connecting seats comprise connecting plates and sleeves arranged on the connecting plates, the isolation columns are inserted into the sleeves, at least three springs are arranged on the sleeves along the circumferential intervals of the sleeves, one ends of the springs, far away from the sleeves, are connected with the cross beams, and moving intervals for horizontal movement of the sleeves are formed between the mounting holes and the sleeves. Through spring coupling between connecting seat and the crossbeam, have the removal interval that supplies sleeve horizontal migration between mounting hole and the sleeve, when the vehicle strikes the guardrail on, the insulated column can drive the connecting seat in mounting hole horizontal migration, absorbs the impact under the effect of spring to reduce the impact force that the guardrail received, reduced the deformation between vehicle and the guardrail, guarantee the safety of vehicle.

Description

Guardrail for road isolation

Technical Field

The utility model relates to a guardrail field especially relates to a guardrail is used in road isolation.

Background

The urban traffic facility supply and demand contradiction is continuously intensified by the accelerated urban process and the rapid increase of the vehicle holding amount. Road traffic isolation guardrails are generally arranged on urban roads to prevent pedestrians from crossing the street at will, vehicles from turning around wantonly, and vehicles from running by means of opposite lanes.

At present, various guardrails for highways are available on the market, and the two types of guardrails are classified according to materials, wherein one type is a concrete guardrail, and the other type is a metal guardrail. The existing concrete guard rail is cast in situ except that the upright post is prefabricated in a processing plant, the casting process is complicated, and the construction period is long; the metal guardrail is a fence which is usually formed by welding metal and mainly prevents pedestrians from crossing the road and dividing lanes for vehicles.

Each structure of concrete guardrail and metal guardrail is rigid connection, and the guardrail is when receiving the striking, and whole guardrail all can receive the impact force influence to take place bending deformation, does not have under the circumstances of buffering, and car and guardrail are impaired seriously, and direct striking impact force is big, leads to the condition that the car bounced open easily, and the danger coefficient is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a guardrail for road isolation to solve guardrail among the prior art and receive the impact force when receiving the impact force influence that whole guardrail receives the impact force and takes place bending deformation, direct striking impact force is big, problem that danger coefficient is high.

The utility model discloses a road is kept apart and is used guardrail's technical scheme does:

the utility model provides a guardrail for road isolation, includes two stands of interval arrangement and the crossbeam of connection between two stands, the crossbeam total two and along vertical direction interval arrangement, be connected with between two crossbeams with the insulated column that the stand was arranged in parallel, all seted up the mounting hole on two crossbeams, be provided with the connecting seat that is used for connecting the insulated column in the mounting hole, the connecting seat includes the connecting plate and sets up the sleeve on the connecting plate, the insulated column cartridge has at least three spring along its circumference interval arrangement on the sleeve, the spring keep away from telescopic one end with the crossbeam is connected, the mounting hole with have the confession between the sleeve horizontal migration's removal interval.

The beneficial effects of this technical scheme lie in, through spring coupling between connecting seat and the crossbeam, the mounting hole with have the removal interval that supplies sleeve horizontal migration between the sleeve, when the vehicle strikes the guardrail on, the insulated column can drive the connecting seat at the mounting hole horizontal migration, absorbs the impact under the effect of spring to reduce the impact force that the guardrail received, reduced the deformation between vehicle and the guardrail, guarantee the safety of vehicle.

The outer side of the sleeve and the cross beam are respectively provided with an ear plate, the ear plates are provided with connecting holes, and two ends of the spring are respectively connected in the connecting holes. The spring is connected with the sleeve and the cross beam through the lug plate, and the installation is convenient.

The springs are four in total, and the four springs are distributed in a cross shape. The four springs can uniformly bear acting force in all directions, and the energy absorption effect is good.

And the outer side of the isolation column is also provided with a rubber cylinder, and the rubber cylinder is connected with the isolation column through a bolt. The rubber tube can absorb and reduce the impact force between the vehicle and the isolation column, and reduce the damage of the vehicle.

The rubber cylinder comprises at least two cylinder bodies which are arranged at intervals along the vertical direction, and an expansion space for the expansion of the cylinder bodies is arranged between every two adjacent cylinder bodies. The space between the two cylinders can provide enough deformation space for the rubber cylinder, and the energy absorption effect of the rubber cylinder is enhanced.

The end face of the cylinder body is a conical surface, and the outer diameter of the conical surface is gradually reduced along the direction far away from the middle part of the cylinder body. The tapered surface may further increase the expansion space.

The rubber cylinders on two adjacent isolation columns are mutually abutted. The rubber cylinders on the isolation columns form a whole, the isolation columns bear the impact force of the vehicle integrally, and safety is good.

Drawings

Fig. 1 is a schematic perspective view of a guardrail for road isolation according to embodiment 1 of the present invention;

FIG. 2 is a cross-sectional view of the roadway isolation barrier of FIG. 1;

FIG. 3 is an enlarged schematic view of the roadway isolation barrier of FIG. 2 at A;

fig. 4 is a perspective view illustrating a coupling seat of the barrier for road isolation of fig. 1.

The device comprises a vertical column 1, a cross beam 2, a mounting hole 21, an isolation column 3, a base 4, a connecting seat 5, a sleeve 51, a connecting plate 52, an ear plate 6, a spring 7, a rubber cylinder 8 and a cylinder body 81.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The embodiment 1 of the guardrail for road isolation of the utility model is shown in fig. 1 to 4, and comprises two upright columns 1, two cross beams 2 and two isolation columns 3, wherein the upright columns 1 are arranged at intervals along the road surface, the bottom of the upright column 1 is provided with a base 4, and the upright column 1 is fixed on the road surface through the base 4; two ends of the cross beam 2 are respectively connected with the two upright posts 1 through bolts so as to facilitate the installation and the disassembly of the cross beam 2, and the two cross beams 2 are arranged at intervals along the vertical direction; the isolation columns 3 are arranged in parallel with the upright columns 1, two ends of each isolation column 3 are respectively connected with two cross beams 2, and the isolation columns 3 are multiple and are uniformly distributed at intervals along the extending direction of the cross beams 2.

The two cross beams 2 are uniformly provided with connecting seats 5 used for being connected with the isolation column 3, and the connecting seats 5 on the two cross beams 2 correspond to each other in the vertical direction so as to be respectively connected with two ends of the isolation column 3. The connecting seat 5 comprises a connecting plate 52 positioned at the bottom and a sleeve 51 fixed on the connecting plate 52 in a welding manner, the end part of the isolation column 3 is inserted into the sleeve 51, the sleeve 51 and the isolation column 3 are provided with corresponding bolt holes, and the isolation column 3 is connected with the sleeve 51 through bolts. The isolating column 3 is connected with the connecting seat 5 through a bolt after being inserted, so that the connecting mode of the isolating column 3 and the connecting seat 5 is simplified, and the dismounting is convenient.

The crossbeam 2 is provided with a mounting hole 21, and the connecting seat 5 is arranged in the mounting hole 21. Four lug plates 6 are respectively welded and fixed on the outer wall surface of the sleeve 51 and the hole wall of the mounting hole 21, the four lug plates 6 are uniformly arranged along the circumferential direction of the sleeve 51 at intervals, and the four lug plates 6 are distributed in a cross shape. The lug plate 6 is provided with a connecting hole, a spring 7 is connected between the lug plate 6 on the sleeve 51 and the lug plate 6 in the mounting hole 21, two ends of the spring 7 are respectively hooked in the connecting hole on the lug plate 6, the four springs 7 can uniformly bear acting force in all directions, and the energy absorption effect is good.

The mounting hole 21 is a stepped hole, the inner diameter of the hole opening is smaller than that of the hole bottom, the size of the hole opening of the mounting hole 21 is larger than that of the sleeve 51 and the lug plate 6, so that the connecting seat 5 can be mounted conveniently, a moving interval is formed between the hole opening of the mounting hole 21 and the outer wall surface of the sleeve 51, and the moving interval is used for enabling the sleeve 51 to move in the horizontal direction. When the vehicle strikes the guardrail, the separation column 3 can drive the connecting seat 5 to move horizontally in the mounting hole 21, and the separation column 3 can absorb the impact force under the action of the spring 7, so that the impact force on the guardrail is reduced, the deformation between the vehicle and the guardrail is reduced, and the safety of the vehicle is ensured.

The outer side of the isolation column 3 is sleeved with a rubber cylinder 8, and the rubber cylinder 8 is connected with the isolation column 3 through a bolt. The rubber cylinder 8 is used for buffering the impact force of the vehicle on the isolation column 3 when the vehicle impacts the isolation column 3; meanwhile, under the action of the spring 7 on the connecting seat 5, the isolation column 3 can move in the horizontal plane to absorb impulse force, and the rubber cylinder 8 is combined with the connecting seat 5, so that the energy of vehicle impact can be further absorbed, and the damage to the vehicle and the isolation column 3 is reduced.

The rubber cylinder 8 includes two separate cylinder bodies 81, and the two cylinder bodies 81 are arranged on the separation column 3 at intervals in the vertical direction. The end faces of the upper end and the lower end of the cylinder 81 are conical surfaces, and the outer diameters of the conical surfaces are gradually reduced along the direction far away from the middle of the cylinder 81. Connecting edges are respectively arranged at the upper end and the lower end of each cylinder 81, bolts are arranged on the connecting edges, and the two cylinders 81 are respectively connected with the isolation column 3 through the bolts. The interval between two barrels 81 forms the inflation space that supplies barrel 81 inflation, and the conical surface can further increase the inflation space, and when the rubber tube 8 received the striking, the inflation space can provide the space for the deformation of rubber tube 8, reinforcing rubber tube 8's energy-absorbing effect.

The cylinder 81 between two adjacent spacers 3 abut against each other in the horizontal direction, so that the rubber tube 8 on each spacer 3 is formed as a whole. When the vehicle is impacted, the contact surfaces of the rubber cylinders 8 can transmit force mutually, so that the impact force is dispersed to each isolation column 3, the isolation columns 3 integrally bear the impact of the vehicle, the impact force borne by each isolation column 3 is reduced, and the safety is good.

In other embodiments of the guardrail for road isolation of the utility model, the ear plates on the connecting seat can be three, five, six, etc., the number of the springs corresponds to that of the ear plates on the sleeve, and the ear plates are arranged at intervals around the circumference of the sleeve; the lug plate can also be omitted, and the end part of the spring is welded and fixed on the sleeve; pin shafts can be arranged on the sleeve and the hole wall respectively, intervals are arranged between the pin shafts, and the spring is sleeved on the pin shafts; the number of the rubber cylinder bodies can be three, four or the like, or only one; the end surface of the cylinder body can also be a plane; the rubber cylinders on the isolation columns can have intervals.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a guardrail for road isolation, its characterized in that, including two stands of interval arrangement and the crossbeam of connection between two stands, the crossbeam is total two and along vertical direction interval arrangement, be connected with between two crossbeams with the insulated column that the stand was arranged in parallel, all seted up the mounting hole on two crossbeams, be provided with the connecting seat that is used for connecting the insulated column in the mounting hole, the connecting seat includes the connecting plate and sets up the sleeve on the connecting plate, the insulated column cartridge has at least three spring along its circumference interval arrangement on the sleeve, the spring keep away from telescopic one end with the crossbeam is connected, the mounting hole with have the confession between the sleeve the removal interval of sleeve horizontal migration.

2. The guardrail for road isolation according to claim 1, wherein lug plates are respectively arranged on the outer side of the sleeve and the cross beam, connecting holes are formed in the lug plates, and two ends of the spring are respectively connected in the connecting holes.

3. The barrier as claimed in claim 2, wherein the springs are four in number and the four springs are distributed in a cross shape.

4. The guardrail for road isolation according to any one of claims 1 to 3, wherein a rubber cylinder is further arranged outside the isolation post, and the rubber cylinder is connected with the isolation post through a bolt.

5. The guardrail for road isolation as claimed in claim 4, wherein the rubber cylinder comprises at least two vertically spaced cylinders, and an expansion space for expanding the cylinders is provided between two adjacent cylinders.

6. The guardrail of claim 5, wherein the end surface of the cylinder is a tapered surface, and the outer diameter of the tapered surface is gradually reduced in a direction away from the middle of the cylinder.

7. The guardrail for road isolation as claimed in claim 4, wherein the rubber cylinders of two adjacent isolation columns are abutted against each other.