CN215561865U

CN215561865U - Rigid-flexible combined anti-collision flow guide device for pier column of existing pedestrian overpass

Info

Publication number: CN215561865U
Application number: CN202120606344.2U
Authority: CN
Inventors: 不公告发明人
Original assignee: Hangzhou Yuewei Technology Co ltd
Current assignee: Hangzhou Yuewei Technology Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2022-01-18
Anticipated expiration: 2031-03-25

Abstract

The utility model relates to a rigid-flexible combined anti-collision flow guide device for pier columns of an existing pedestrian bridge, which consists of flexible anti-collision flow guide piers, upright columns, buffering flow guide guardrails and anti-collision blocks; the flexible anti-collision flow guide pier consists of an anti-corrosion protective layer, a rubber elastic layer, a damping spring, a buffering energy absorption layer and a greening box, the flexible anti-collision flow guide pier is arranged on two sides of the pier stud along the longitudinal direction of the green belt, and the greening box is positioned at the top of the flexible anti-collision flow guide pier; the upright posts are uniformly arranged at the transverse and longitudinal positions on the periphery of the pier stud; the buffer flow guide guardrail is arranged between the flexible anti-collision flow guide piers; the lower part of the anti-collision block is connected with the bottom annular fixing bracket, the upper part of the anti-collision block is connected with the top annular fixing bracket, and the anti-collision block is uniformly attached to the periphery of the pier stud. Adopt flexible anticollision water conservancy diversion mound and rigid anticollision piece and buffering water conservancy diversion guardrail composite set, anti striking ability reinforce reduces the harm to the vehicle simultaneously, simple to operate, and pleasing to the eye effectual has effectively protected the pier stud, has improved the security of overline bridge.

Description

Rigid-flexible combined anti-collision flow guide device for pier column of existing pedestrian overpass

Technical Field

The utility model relates to an overpass pier stud anti-collision device, in particular to a rigid-flexible combined anti-collision flow guide device for an existing pedestrian overpass pier stud.

Background

In recent years, with the rapid development of traffic, overpasses crossing roads are more and more, the traffic transportation is increasingly busy, meanwhile, traffic accidents are frequent due to the fact that vehicles impact pier pillars, most of the overpass pier pillars are arranged in a central separation zone, and no anti-collision measures are taken, so that serious consequences such as pier breakage, vehicle damage and people death, even overpass collapse and the like are caused, and huge life and economic losses are brought. Although the attention of experts and technicians in the related field is drawn, and certain anti-collision measures are taken for the bridge pier, for example, a concrete anti-collision island, a waveform guardrail and the like are arranged around the bridge pier, although the vehicle is prevented from directly colliding the bridge pier to a certain extent, the anti-collision facilities have high rigidity and do not have good energy dissipation, buffering and guiding functions, the safety of the vehicle and drivers and conductors is difficult to ensure, and the installation construction and subsequent repair are complicated. In addition, because the overline bridge form is different among the actual engineering, anticollision facility is often because occupation of land space is big, is difficult to the construction of installation in near narrow space of pier stud, and the anticollision after the construction is not harmonious with the surrounding environment, consequently urgently needed an environmental suitability adaptability, construction and installation convenience, the buffer stop that the protecting effect is good.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rigid-flexible combined anti-collision flow guide device for a pedestrian overpass pier column, aiming at the problems in the anti-collision construction of the existing pedestrian overpass pier column, and adopts the following technical scheme.

The rigid-flexible combined anti-collision flow guide device for the pier columns of the existing pedestrian overpass is characterized by comprising flexible anti-collision flow guide piers, upright columns, buffering flow guide guardrails and anti-collision blocks; the flexible anti-collision flow guide pier consists of an anti-corrosion protective layer, a rubber elastic layer, a damping spring, a buffering energy absorption layer and a greening box, the flexible anti-collision flow guide pier is arranged on two sides of the pier stud along the longitudinal direction of the green belt, and the greening box is positioned at the top of the flexible anti-collision flow guide pier; the upright columns are uniformly arranged at the transverse and longitudinal positions on the periphery of the pier column, and the upright columns at the transverse positions are connected with the flexible anti-collision flow guide piers by adopting bolts and nuts; the buffer flow guide guardrail is arranged between the flexible anti-collision flow guide piers and is fixed with the vertical columns which are longitudinally arranged by adopting bolts and nuts; the lower part of the anti-collision block is connected with the bottom annular fixing bracket, the upper part of the anti-collision block is connected with the top annular fixing bracket, and the anti-collision block is uniformly arranged on the periphery of the attaching pier column.

Preferably, the shape of the flexible anti-collision flow guide pier is a rounded triangular prism, the outermost layer to the innermost layer are a corrosion-resistant protective layer, a rubber elastic layer and a buffering energy absorption layer in sequence, and a plurality of damping springs are arranged inside the buffering energy absorption layer.

Preferably, the lower part of the anti-collision block is inserted into the corresponding bottom annular fixing bracket mounting groove and extends into the anti-collision block base for a certain distance to be fixed, and the upper part of the anti-collision block is inserted into the corresponding top annular fixing bracket mounting groove to be fixed.

Preferably, the periphery of the bottom end of the bottom annular fixing bracket is provided with an annular fixing supporting plate, the annular fixing supporting plate is fixed with the cushion layer by adopting anchoring nails, and the splicing part of the two annular fixing supporting plates is connected and fixed by adopting U-shaped fixing nails; the splicing position of the top annular fixing bracket is fixedly connected with a fixing nail cushion block by a fixing nail.

Preferably, the bottom of the upright post is fixed by pouring concrete.

Preferably, the shape of the greening box is the same as that of the flexible anti-collision flow guide pier, a plurality of reinforcing rods are arranged at the bottom of the greening box, and the reinforcing rods are connected with the flexible anti-collision flow guide pier through fixing nails.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

1. the utility model adopts a flexible anti-collision flow guide pier, a buffering flow guide guardrail and an anti-collision block multiple combined anti-collision device, the outer part is flexible and the inner part is rigid, the flexible anti-collision flow guide pier has the functions of isolation, energy absorption and flow guide, the buffering flow guide guardrail protects a pier column from being transversely impacted, the anti-collision block with higher rigidity is used as a final anti-collision line and is arranged on the periphery of the pier column, and the pier column can be protected in an all-round way.

2. The corrosion-resistant protective layer is arranged on the outermost side of the flexible anti-collision diversion pier, so that the service life under severe environment is ensured, and the environmental adaptability is strong; when the vehicle is impacted, the buffering energy absorption layer and the damping spring act together to absorb most of energy generated during the impact of the vehicle, reduce the damage of the impact on the vehicle and drivers and passengers, smoothly guide the motion direction of the vehicle body, enable the vehicle to stop smoothly and reduce the influence on traffic; in addition, the damping spring can play a role of a framework, and the structural stability of the flexible anti-collision flow guide pier is enhanced.

3. The flexible anticollision water conservancy diversion mound top is equipped with the afforestation case, can plant liana, and handsome in appearance is good with environmental suitability, and reducible night driving dazzles the influence of light to the driver when protecting the pier stud.

4. The anti-collision block is constructed in an assembled mode, the anti-collision block is inserted into the annular fixing bracket mounting groove corresponding to the whole pier column during installation, construction is convenient, construction efficiency is improved, and follow-up maintenance and replacement are more convenient.

5. The anti-collision block is attached to the periphery of the pier stud, the occupied area is small, the adaptability is strong, and the anti-collision block can be installed and used in an environment with small space around the pier stud.

Drawings

FIG. 1 is a cross-sectional view of a flexible impact deflector;

FIG. 2 is a cross-sectional view of the combined crashworthy deflector;

FIG. 3 is a top view of the combined crashworthy diversion device;

FIG. 4 is a green box of the flexible anti-collision diversion pier;

FIG. 5 is a schematic structural view of a flexible anti-collision flow guide pier;

FIG. 6 is a schematic view of the fixing of the greening box;

FIG. 7 is a schematic view of the greening box filled with soil;

FIG. 8 is a schematic view of the bumper block and the ring-shaped fixing bracket;

FIG. 9 is a schematic view of the top ring type mounting bracket being secured;

FIG. 10 is a cross-sectional view of the bumper system;

fig. 11 is a schematic view of the flexible anti-collision flow guiding pier fixing.

The figure is marked with: 1-pier stud, 2-flexible anti-collision diversion pier, 201-corrosion resistant protective layer, 202-rubber elastic layer, 203-damping spring, 204-buffer energy absorbing layer, 3-upright post, 4-curb stone, 5-buffer diversion guardrail, 6-greening box, 601-reinforcing rod, 7-planting soil, 8-fixing nail, 9-collision block, 10-top annular fixing bracket, 1001-top annular fixing bracket installation groove, 11-bottom annular fixing bracket, 1101-annular fixing bracket, 1102-bottom annular fixing bracket installation groove, 12-U type fixing nail, 13-anchoring nail, 14-fixing nail cushion block, 15-concrete, 16-original soil layer, 17-collision block foundation, 18-cushion layer, 19-nut, 20-bolt, 21-green belt.

Detailed Description

In order to further understand the present invention, the following embodiments will be described in detail with reference to fig. 1 to 11, and the following embodiments are implemented on the premise of the technical solution of the present invention, and the detailed embodiments are given, but the scope of the present invention is not limited to the following embodiments.

In the embodiment, the height of the flexible anti-collision flow guide pier 2 is 120cm, the length of each straight line edge is 60cm, the radius of each fillet is 15cm, the height of the greening box is 25cm, the height of the upright post 3 is 120cm, and the anti-collision blocks 9 are ten-equal parts according to the size of the periphery of the pier. Firstly, excavating 20cm deep around a pier stud 1, attaching a bottom annular fixing bracket 11 to the periphery of the pier stud 1 for splicing arrangement, connecting the splicing parts of two bottom annular fixing brackets 11 by adopting U-shaped fixing nails 12, inserting an anti-collision block 9 into a bottom annular fixing bracket mounting groove 1102 and penetrating into an anti-collision block foundation 17 for 20cm, and then sleeving a top annular fixing bracket 10 at the upper part of the anti-collision block 9 for fixing; the flexible anti-collision diversion piers 2 and the upright posts 3 are placed in an excavated soil layer according to design positions and are fixed by pouring concrete, the greening box 6 is placed at the top of the flexible anti-collision diversion piers 2, and the flexible anti-collision diversion piers 2 and the upright posts 3 are fixed by bolts 20 and nuts 19; and then installing a buffering flow guide guardrail 5, connecting the buffering flow guide guardrail 5 and the upright post 3 by adopting a bolt 20 and a nut 19, and backfilling and tamping plain soil after all devices are installed.

With the attached drawings of fig. 2 and 3, the rigid-flexible combined anti-collision flow guide device for the pier column of the existing pedestrian overpass consists of a flexible anti-collision flow guide pier 2, an upright column 3, a buffering flow guide guardrail 5 and an anti-collision block 9.

With reference to fig. 1 and 5, the flexible anti-collision flow guide pier 2 is in the shape of a rounded triangular prism, the corrosion-resistant protective layer 201, the rubber elastic layer 202 and the buffering energy absorption layer 3 are sequentially arranged from the outermost layer to the innermost layer, and a plurality of damping springs 203 are arranged inside the buffering energy absorption layer 3.

Referring to fig. 8, the lower portion of the anti-collision block 9 is inserted into the corresponding bottom annular fixing bracket mounting groove 1102 and extends into the anti-collision block base 17 for a distance to be fixed, and the upper portion of the anti-collision block 9 is inserted into the corresponding top annular fixing bracket mounting groove 1001 for fixing.

Referring to fig. 8 and 9, a ring-shaped fixing supporting plate 1101 is arranged on the periphery of the bottom end of the bottom ring-shaped fixing bracket 11, the ring-shaped fixing supporting plate 1101 is fixed with the cushion layer 18 by using anchor nails 13, and the splicing position of the two ring-shaped fixing supporting plates 1101 is connected and fixed by using U-shaped fixing nails 12; the splicing position of the top annular fixing bracket 10 is fixedly connected with a fixing nail cushion block 14 by a fixing nail 8.

Referring to fig. 10, the bottom of the upright post 3 is fixed by pouring concrete 15.

Referring to fig. 2, the flexible anti-collision diversion piers 2 are arranged at two sides of the pier stud 1 along the longitudinal direction of the green belt 21, and the green box 6 is arranged at the top of the flexible anti-collision diversion piers 2; the upright columns 3 are uniformly arranged at the periphery of the pier column 1 at the transverse and longitudinal positions, and the upright columns 3 at the transverse position are connected with the flexible anti-collision flow guide pier 2 by adopting bolts 20 and nuts 19.

Referring to fig. 2, the buffering diversion fence 5 is arranged between the flexible anti-collision diversion piers 2 and fixed with the upright posts 2 which are longitudinally arranged by bolts 20 and nuts 19.

Referring to the attached drawing 11, the flexible anti-collision diversion piers 2 and the upright columns 3 are buried in the original soil layer 16 cm deep, and concrete 15 is poured for fixing.

Referring to fig. 4, the shape of the greening box 6 is the same as that of the flexible anti-collision diversion pier 2, a plurality of reinforcing rods 601 are arranged at the bottom of the greening box 6, and the reinforcing rods 601 are connected with the flexible anti-collision diversion pier 1 through fixing nails 8.

The above-mentioned embodiments are only used for explaining the technical idea of the present invention, and not for limiting the protection of the claims of the present invention, and the insubstantial modifications of the present invention using this idea shall fall within the protection scope of the present invention.

Claims

1. The rigid-flexible combined anti-collision flow guide device for the pier columns of the existing pedestrian overpass is characterized by comprising flexible anti-collision flow guide piers (2), upright columns (3), buffering flow guide guardrails (5) and anti-collision blocks (9); the flexible anti-collision flow guide pier (2) consists of a corrosion-resistant protective layer (201), a rubber elastic layer (202), a damping spring (203), a buffering energy absorption layer (204) and a greening box (6), the flexible anti-collision flow guide pier (2) is arranged on two sides of the pier stud (1) along the longitudinal direction of the greening belt (21), and the greening box (6) is positioned at the top of the flexible anti-collision flow guide pier (2); the upright columns (3) are uniformly arranged at the periphery of the pier column (1) in the transverse and longitudinal positions, and the upright columns (3) at the transverse position and the flexible anti-collision flow guide pier (2) are connected with a nut (19) by bolts (20); the buffer flow guide guardrail (5) is arranged between the flexible anti-collision flow guide piers (2) and is fixed with the upright posts (3) which are longitudinally arranged by adopting bolts (20) and nuts (19); the lower part of the anti-collision block (9) is connected with the bottom annular fixing bracket (11), the upper part of the anti-collision block is connected with the top annular fixing bracket (10), and the anti-collision block (9) is attached to the periphery of the pier column (1).

2. The rigid-flexible combined anti-collision flow guide device for the pier stud of the existing pedestrian overpass according to claim 1, wherein the flexible anti-collision flow guide pier (2) is in the shape of a rounded triangular prism, the anti-corrosion protective layer (201), the rubber elastic layer (202) and the buffering energy absorption layer (204) are sequentially arranged from the outermost layer to the innermost layer, and the damping spring (203) is arranged inside the buffering energy absorption layer (204).

3. The rigid-flexible combined anti-collision flow guide device for the pier stud of the existing pedestrian overpass according to claim 1, wherein the lower part of the anti-collision block (9) is inserted into the corresponding bottom annular fixing bracket installation groove (1102) and penetrates into the anti-collision block foundation (17) for a certain distance to be fixed, and the upper part of the anti-collision block (9) is inserted into the corresponding top annular fixing bracket installation groove (1001) to be fixed.

4. The rigid-flexible combined anti-collision flow guide device for the pier stud of the existing pedestrian overpass according to claim 1, wherein a ring-shaped fixed supporting plate (1101) is arranged on the periphery of the bottom end of the bottom ring-shaped fixed bracket (11), the ring-shaped fixed supporting plate (1101) is fixed with the cushion layer (18) by adopting an anchoring nail (13), and the spliced part of the two ring-shaped fixed supporting plates (1101) is connected and fixed by adopting a U-shaped fixed nail (12); the splicing position of the top annular fixing bracket (10) is fixedly connected with a fixing nail cushion block (14) by a fixing nail (8).

5. The rigid-flexible combined anti-collision flow guide device for the pier stud of the existing pedestrian overpass according to claim 1, wherein the bottom of the upright post (3) is fixed by adopting poured concrete (15).

6. The rigid-flexible combined anti-collision flow guide device for the pier stud of the existing pedestrian overpass according to claim 1, wherein the shape of the greening box (6) is the same as that of the flexible anti-collision flow guide pier (2), a plurality of reinforcing rods (601) are arranged at the bottom of the greening box (6), and the reinforcing rods (601) are connected with the flexible anti-collision flow guide pier (2) through fixing nails (8).