CN215829252U

CN215829252U - Double-row beam bridge guardrail

Info

Publication number: CN215829252U
Application number: CN202122101350.5U
Authority: CN
Inventors: 李炳秋; 王成晔; 赵松枝; 陈凌
Original assignee: Zhejiang Xinjian Expressway Co ltd
Current assignee: Zhejiang Xinjian Expressway Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-15
Anticipated expiration: 2031-09-01

Abstract

The application relates to the field of protective guards, and discloses a double-row beam bridge guardrail which comprises upright posts, two rows of beams arranged up and down, and a channel steel bracket positioned between the upper row of beams and the lower row of beams; the channel-section steel bracket includes diapire and two relative lateral walls, and the diapire is on a parallel with the extending direction of stand and links to each other with the stand, and two lateral walls are on a parallel with the extending direction of crossbeam and link to each other with row's crossbeam and lower crossbeam down respectively. The application provides a double crossbeam bridge railing, be close to road one side and adopt two rows of crossbeam protections from top to bottom, the protective capacities for one row of crossbeam is stronger to adopt the channel-section steel bracket to link to each other between two rows of crossbeams, the channel-section steel bracket links to each other with the stand again, and then through the channel-section steel bracket with the stand, go up the row crossbeam and arrange down between the crossbeam three and be connected fixedly, like this, can strengthen the joint strength of whole beam column structure, promote the protective capacities of whole double crossbeam bridge railing.

Description

Double-row beam bridge guardrail

Technical Field

The utility model relates to the technical field of guard rails, in particular to a double-row beam bridge guard rail.

Background

The design rules for road traffic safety facilities (JTG/T D81-2017) propose: due to limited resources, after the new standard is implemented, the existing bridge guardrail is not reasonable to replace by completely installing the new standard. Therefore, for resources are saved, old bridge guardrails can be modified, the protection capability of the old bridge guardrails is improved, and the old bridge guardrails meet higher protection requirements.

SUMMERY OF THE UTILITY MODEL

The utility model provides a double-row beam bridge guardrail which is used for improving the structure of a bridge guardrail, strengthening the connection strength between beam columns and improving the protection capability.

The bridge guardrail comprises upright posts, two rows of cross beams arranged up and down, and a channel steel bracket positioned between an upper row of cross beams and a lower row of cross beams; the channel steel bracket comprises a bottom wall and two opposite side walls, the bottom wall is parallel to the extending direction of the upright column and is connected with the upright column, and the two side walls are parallel to the extending direction of the cross beam and are respectively connected with the upper row of cross beams and the lower row of cross beams.

The application provides a double crossbeam bridge railing, be close to road one side and adopt two rows of crossbeam protections from top to bottom, the protective capacities for one row of crossbeam is stronger to adopt the channel-section steel bracket to link to each other between two rows of crossbeams, the channel-section steel bracket links to each other with the stand again, and then through the channel-section steel bracket with the stand, go up the row crossbeam and arrange down between the crossbeam three and be connected fixedly, like this, can strengthen the joint strength of whole beam column structure, promote the protective capacities of whole double crossbeam bridge railing.

Optionally, the bottom wall of the channel steel bracket is connected with the upright post through a connecting piece penetrating through the bottom wall and the upright post.

Optionally, the side wall of the channel steel bracket is connected with the cross beam through a connecting piece penetrating through the side wall and the cross beam.

Optionally, the double-row beam bridge guardrail further comprises a cushion block between the beam and the upright post; the side wall of the channel steel bracket is connected with the cushion block through a connecting piece penetrating through the side wall and the cushion block.

Optionally, the double-row beam bridge guardrail further comprises an angle steel bracket, the angle steel bracket is located on the lower side of the lower row of beams, the angle steel bracket comprises two vertical walls which are perpendicular to each other, and the two vertical walls of the angle steel bracket are respectively connected with the upright column and the lower row of beams.

Optionally, the double-row beam bridge guardrail further comprises a first connecting piece; the first connecting piece penetrates through the side wall of the channel steel bracket, the lower row of cross beams and the vertical wall of the angle steel bracket so as to connect the channel steel bracket, the lower row of cross beams and the angle steel bracket.

Optionally, the vertical wall of the angle bracket is connected to the upright via a connector that extends through the vertical wall and the upright.

Optionally, the double-row beam bridge guardrail further comprises a rainproof member; the rainproof part covers the upright post and the upper row of cross beams and is respectively connected with the upright post and the upper row of cross beams.

Optionally, the double-row beam bridge guardrail further comprises a second connecting piece; the second connecting piece penetrates through the rainproof piece, the upper row of cross beams and the side wall of the channel steel bracket so as to connect the rainproof piece, the upper row of cross beams and the channel steel bracket.

Optionally, the upright column has a flange base; the double-row beam bridge guardrail further comprises a concrete base, and the flange bases of the stand columns are fixed on the concrete base through foundation bolts.

Drawings

For a better understanding of the present application, reference may be made to the embodiments illustrated in the following drawings. The components in the drawings are not necessarily to scale, and some relevant components may be omitted in order to emphasize and clearly illustrate the technical features of the present disclosure. In addition, the relevant elements or components may be arranged differently as is known in the art.

Fig. 1 is a schematic cross-sectional structure view of a double-row beam bridge guardrail provided in an embodiment of the present invention;

fig. 2 is a partial structural schematic view of a double-row beam bridge guardrail provided by an embodiment of the utility model.

Detailed Description

The technical solutions in the exemplary embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the exemplary embodiments of the present disclosure. The example embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present disclosure, and it is, therefore, to be understood that various modifications and changes may be made to the example embodiments without departing from the scope of the present disclosure.

In the description of the present disclosure, unless otherwise explicitly specified or limited, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "and/or" includes any and all combinations of one or more of the associated listed items.

The application provides a double-row beam bridge guardrail, as shown in fig. 1 and 2, the double-row beam bridge guardrail comprises a stand column 1, two rows of

beams

21 and 22 arranged up and down, and a channel steel bracket 3 positioned between the upper row of beams 21 and the lower row of beams 22; specifically, the channel-section steel is the bar steel of recess type in the cross-section, and channel-section steel bracket 3 includes diapire 31 and two relative lateral walls 32, and diapire 31 is on a parallel with the extending direction of stand 1 and links to each other with stand 1, and two lateral walls 32 are on a parallel with the extending direction of crossbeam and link to each other with row's crossbeam 21 and lower row's crossbeam 22 respectively.

The application provides a double crossbeam bridge railing, be close to road one side and adopt two rows of crossbeams 21 about, 22 protection, the protective capacities for one row of crossbeam is stronger to adopt channel-section steel bracket 3 to link to each other between two rows of

crossbeams

21, 22, channel-section steel bracket 3 links to each other with stand 1 again, and then through channel-section steel bracket 3 with stand 1, go up arrange crossbeam 21 and arrange between the crossbeam 22 three down and be connected fixedly, like this, can strengthen the joint strength of whole beam column structure, promote the protective capacities of whole double crossbeam bridge railing.

Specifically, as shown in fig. 1 and 2, in the double-row beam bridge guardrail provided by the application, a channel steel bracket 3 is arranged at the intersection position of two rows of

beams

21 and 22 and each upright 1, and each channel steel bracket 3 fixedly connects the corresponding upright 1 with the two rows of

beams

21 and 22.

Illustratively, as shown in fig. 1, the bottom wall 31 of the channel bracket 3 is connected to the upright 1 through a connector 70, and the connector 70 penetrates through the bottom wall 31 of the channel bracket 3 and the upright 1. Specifically, all the connecting members referred to in this application may be bolts or rivets.

Illustratively, the side walls 32 of the channel bracket 3 are connected to the cross beam by connectors that extend through the side walls 32 and the cross beam. For example, as shown in fig. 1, the connectors may include a first connector 71 and/or a second connector 72; specifically, one side wall 32 of the channel bracket 3 is connected with the upper row of cross beams 21 through a first connecting piece 71, and the other side wall 32 of the channel bracket 3 is connected with the lower row of cross beams 22 through a second connecting piece 72.

In some embodiments, as shown in fig. 1, the double-row beam bridge guardrail provided by the present application may further include a spacer 4 between the beam and the upright 1. The cushion block 4 pushes the head-on collision surface of the cross beam towards the traffic lane, so that the cross beam is easy to collide when the vehicles collide, the load transmitted to the concrete base 8 and the bridge deck is reduced, and the damage is reduced.

Illustratively, as shown in fig. 1, the side wall 32 of the channel bracket 3 is connected to the spacer 4 by a connector 73 extending through the side wall 32 and the spacer 4.

Specifically, the crossing position of last row of crossbeam 21 and stand 1 and the crossing position department of lower row of crossbeam 22 and stand 1 all can be provided with cushion 4, the lateral wall 32 that links to each other with last row of crossbeam 21 in channel-section steel bracket 3, still link to each other with this adjacent cushion 4 of last row of crossbeam 21 simultaneously, in channel-section steel bracket 3 with the lateral wall 32 that row of crossbeam 22 links to each other down, still link to each other with this adjacent cushion 4 of lower row of crossbeam 22 simultaneously, like this, can improve the bulk joint strength who has the beam column type structure of cushion 4.

In some embodiments, as shown in fig. 1, the double-row beam bridge guardrail provided by the present application may further include an angle bracket 5, the angle bracket 5 is located at the lower side of the lower row of beams 22, the angle bracket 5 includes two vertical walls 51 perpendicular to each other, the two vertical walls 51 of the angle bracket 5 are respectively connected to the vertical column 1 and the lower row of beams 22, and the angle bracket 5 has a supporting effect on the lower row of beams 22, and at the same time, may improve the connection strength between the lower row of beams 22 and the vertical column 1.

Specifically, as shown in fig. 1 and 2, in the double-row beam bridge guardrail provided by the present application, an angle steel bracket 5 is disposed at the intersection position of the lower row beam 22 and each upright post 1, and each angle steel bracket 5 fixedly connects a corresponding upright post 1 with the lower row beam 22.

Illustratively, as shown in fig. 1, the double row beam bridge barrier provided by the present application includes a first connector 71; the first connecting member 71 penetrates through one side wall 32 of the channel bracket 3, the lower-row beam 22, and one vertical wall 51 of the angle bracket 5 to connect the channel bracket 3, the lower-row beam 22, and the angle bracket 5.

Illustratively, as shown in fig. 1, the other vertical wall 51 of the angle bracket 5 is connected to the upright 1 via a connecting member 74 extending through the vertical wall 51 and the upright 1.

In some embodiments, as shown in fig. 1, the double-row beam bridge guardrail provided by the present application may further include a rain guard 6; the rain-proof member 6 covers the upright 1 and the upper row of beams 21 and is connected with the upright 1 and the upper row of beams 21 respectively. This rain-proof piece 6 can avoid the rainwater to get into in the stand 1 and in the gap between

crossbeam

21, 22 and the stand 1, can prevent that the beam column structure from being corroded the damage, improves bridge railing's life-span.

Illustratively, as shown in FIG. 1, the present application provides a double row beam bridge barrier including a second connector 72; the second connecting member 72 extends through the flashing 6, the upper row of beams 21 and one of the side walls 32 of the channel bracket 3 to connect the flashing 6, the upper row of beams 21 and the channel bracket 3.

In some embodiments, as shown in fig. 1 and 2, the double-row beam bridge guardrail provided by the present application further includes a concrete base 8, the upright 1 has a flange base 11, and the flange base 11 of the upright 1 is fixed to the concrete base 8 through anchor bolts 9.

Specifically, foundation bolt 9 adopts the back anchor mode of planting the muscle, implants concrete foundation 8, makes the beam column structure on upper portion and concrete foundation 8 fixed formation wholly, like this, can improve the protection height and the protection level of original guardrail.

Illustratively, as shown in fig. 2, each of the upper row of beams 21 and the lower row of beams 22 includes a multi-segment beam structure 20, and two connected segments of the beam structure 20 are connected by a sleeve 200.

For example, in the present application, the cross beams and the vertical columns may be made of steel, and are preferably made of Q355B steel, and may also be made of Q235 steel; of course, the cross beam and the upright post are not limited to steel, and can be made of various metals such as aluminum alloy, aluminum, copper, plastic, ceramic, high-strength steel and the like, and non-metallic materials. Meanwhile, the cross-section of the cross beam and the column is preferably square, but is not limited thereto, and may be, for example, a circular, rhombic, triangular, L-shaped, [ shaped, or other closed or open cross-section.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice in the art to which the disclosure pertains. It is intended that the specification and example embodiments be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A double-row beam bridge guardrail is characterized by comprising upright columns, two rows of beams arranged up and down, and a channel steel bracket positioned between the upper row of beams and the lower row of beams; the channel steel bracket comprises a bottom wall and two opposite side walls, the bottom wall is parallel to the extending direction of the upright column and is connected with the upright column, and the two side walls are parallel to the extending direction of the cross beam and are respectively connected with the upper row of cross beams and the lower row of cross beams.

2. The double row beam bridge railing of claim 1 wherein the bottom wall of the channel bracket is connected to the post by a connector extending through the bottom wall and the post.

3. The double row beam bridge railing of claim 1 wherein the side walls of the channel brackets are connected to the cross beams by connectors extending through the side walls and the cross beams.

4. The double row beam bridge railing of claim 1 further including spacer blocks between said beams and said columns; the side wall of the channel steel bracket is connected with the cushion block through a connecting piece penetrating through the side wall and the cushion block.

5. The double row beam bridge railing of claim 1 further including an angle bracket located on the underside of the lower row of beams, the angle bracket including two vertical walls perpendicular to each other, the two vertical walls of the angle bracket being connected to the upright and the lower row of beams, respectively.

6. The double row beam bridge guardrail of claim 5 further comprising a first connector; the first connecting piece penetrates through the side wall of the channel steel bracket, the lower row of cross beams and the vertical wall of the angle steel bracket so as to connect the channel steel bracket, the lower row of cross beams and the angle steel bracket.

7. The double row beam bridge railing of claim 5 wherein the vertical walls of said angle brackets are connected to said posts by connectors extending through said vertical walls and said posts.

8. The double row beam bridge guardrail of claim 1 further comprising a rain guard; the rainproof part covers the upright post and the upper row of cross beams and is respectively connected with the upright post and the upper row of cross beams.

9. The double row beam bridge guardrail of claim 8 further comprising a second connector; the second connecting piece penetrates through the rainproof piece, the upper row of cross beams and the side wall of the channel steel bracket so as to connect the rainproof piece, the upper row of cross beams and the channel steel bracket.

10. The double row beam bridge guardrail of any of claims 1-9 wherein the upright posts have flange mounts; the double-row beam bridge guardrail further comprises a concrete base, and the flange bases of the stand columns are fixed on the concrete base through foundation bolts.