阅读说明：本技术 一种用于桥梁的防护装置 (Protective device for bridge ) 是由 王小飞 刘桂林 罗春林 王新国 严爱国 文望青 张晓江 张�杰 周继 王希 王明 于 2021-08-05 设计创作，主要内容包括：本发明公开了一种用于桥梁的防护装置,属于桥梁工程领域。防护装置包括防撞组件和防抛组件。防撞组件包括多根立柱和多根横梁,多根立柱均垂直桥梁布置,且多根立柱沿桥梁的长度方向间隔布置,多根横梁水平且间隔布置,且多根横梁分别与各立柱可拆卸地连接在一起。防抛组件包括多根安装轴和多片防护网片,多根安装轴均垂直桥梁布置,各安装轴的底端和立柱的顶端可拆卸地连接在一起,对于任意一片防护网片,防护网片的两侧边分别与两个相邻的安装轴、两个相邻的立柱可拆卸地连接在一起。对于本发明提供的一种用于桥梁的防护装置,不仅能够起到防撞和防抛物的作用,还能有效降低防护装置的重量以及占用的桥面宽度。(The invention discloses a protection device for a bridge, and belongs to the field of bridge engineering. The protector includes anticollision subassembly and prevents throwing the subassembly. The anti-collision assembly comprises a plurality of stand columns and a plurality of cross beams, wherein the stand columns are perpendicular to the bridge arrangement, the stand columns are arranged along the length direction of the bridge at intervals, the cross beams are arranged horizontally at intervals, and the cross beams are detachably connected with the stand columns respectively. The anti-throwing assembly comprises a plurality of installation shafts and a plurality of protection net pieces, the installation shafts are arranged perpendicular to the bridge, the bottom end of each installation shaft is detachably connected with the top end of each stand column, and for any one protection net piece, two side edges of each protection net piece are detachably connected with two adjacent installation shafts and two adjacent stand columns. The protection device for the bridge provided by the invention not only can play a role in collision prevention and parabolic prevention, but also can effectively reduce the weight of the protection device and the width of the occupied bridge deck.)

1. A protection device for a bridge is characterized by comprising a collision avoidance component (1) and a throwing prevention component (2);

the anti-collision assembly (1) comprises a plurality of upright columns (11) and a plurality of cross beams (12), wherein the upright columns (11) are arranged perpendicular to a bridge, the upright columns (11) are arranged at intervals along the length direction of the bridge, the cross beams (12) are arranged horizontally at intervals, and the cross beams (12) are detachably connected with the upright columns (11) respectively;

prevent throwing subassembly (2) including many installation axles (21) and multi-disc protection net piece (22), many installation axle (21) is all perpendicular the bridge is arranged, many installation axle (21) and many stand (11) one-to-one, each the bottom of installation axle (21) with the top detachably of stand (11) links together, for arbitrary one piece protection net piece (22), the both sides limit of protection net piece (22) respectively with two adjacent installation axle (21), two adjacent stand (11) detachably link together.

2. A bridge protection device according to claim 1, wherein each cross beam (12) has a plurality of first pads (121), a plurality of first pads (121) and a plurality of columns (11) are in one-to-one correspondence, and the outer edges of each first pad (121) and the corresponding column (11) are detachably connected together.

3. The bridge protection device according to claim 2, wherein each first base plate (121) is provided with a reinforcing rib plate (122), and two side edges of each reinforcing rib plate (122) are respectively welded with the first base plate (121) and the corresponding cross beam (12).

4. The bridge protection device according to claim 1, wherein the bottom end of each mounting shaft (21) is provided with a second pad plate (211), the mounting shaft (21) and the second pad plate (211) are vertically connected, the top end of each upright post (11) is provided with a top plate (111), and the second pad plate (211) and the corresponding top plate (111) are parallel and are connected together through bolts.

5. The bridge protection device according to claim 1, wherein the installation shaft (21) comprises a first bar-shaped installation plate (212) and two second bar-shaped installation plates (213), the first bar-shaped installation plate (212) and the two second bar-shaped installation plates (213) are arranged perpendicular to the bridge, two side edges of the first bar-shaped installation plate (212) are respectively and vertically connected with the two second bar-shaped installation plates (213), and two side edges of each protection net sheet (22) are respectively and fixedly connected with the second bar-shaped installation plates (213) of two adjacent installation shafts (21) through bolts.

6. A bridge protection device according to claim 1, wherein each upright (11) has a plurality of spaced third pads (112), and the plurality of third pads (112) have two connecting bolts inserted therein, one of the connecting bolts being used for connecting the upright (11) and the other connecting bolt being used for connecting the protection mesh (22).

7. A bridge protection device according to claim 1, wherein the bumper assembly (1) further comprises a plurality of bases (13), each base (13) is used for being mounted on the bridge, the plurality of bases (13) and the plurality of columns (11) correspond to each other, and each base (13) is mounted at the bottom end of the corresponding column (11).

8. A bridge protection device according to claim 7, characterized in that said base (13) has a first connecting plate (131) and said upright (11) has a second connecting plate (113) at its bottom end, said first connecting plate (131) and said second connecting plate (113) being arranged in parallel and connected together by means of bolts.

9. A bridge protection device according to any one of claims 1-8, wherein each upright (11) and cross member (12) is a steel structural member.

Technical Field

The invention belongs to the field of bridge engineering, and particularly relates to a protective device for a bridge.

Background

With the continuous promotion of railway construction in China, more and more railways and highways are crossed. In order to ensure the safe operation of a railway train, the main content of the safety protection measure for preventing foreign matters from falling is to stride a railway bridge, and the safety protection measure specifically comprises protection devices such as an anti-collision guardrail (anti-collision) and an anti-throwing net (anti-throwing).

The protection devices on such bridges which have been built up at present mainly have two forms: adopt concrete entity anticollision wall and adopt steel anticollision barrier structure. For concrete solid anti-collision walls, anti-throwing nets are erected on the tops of the anti-collision walls, the structures are heavy in self weight, and for flexible structures or large-span bridge structures, the increase of the weight of a bridge deck often leads to the increase of engineering investment and limits the increase of span; and to adopting steel anticollision barrier structure, the net is prevented throwing immediately to anticollision barrier outside, and this type of structure requires great bridge face width (the bridge floor width is the width on the extending direction of perpendicular to bridge), is difficult to be applicable to the limited bridge of beam width.

Disclosure of Invention

In view of the above-mentioned drawbacks and needs of the prior art, the present invention provides a fender for a bridge, which is aimed at reducing not only the weight of the fender, but also the width of the bridge deck occupied.

The invention provides a protective device for a bridge, which comprises an anti-collision assembly and an anti-throwing assembly, wherein the anti-collision assembly comprises a first anti-collision assembly and a second anti-throwing assembly;

the anti-collision assembly comprises a plurality of stand columns and a plurality of cross beams, wherein the stand columns are arranged perpendicular to the bridge, the stand columns are arranged at intervals along the length direction of the bridge, the cross beams are arranged horizontally at intervals, and the cross beams are respectively detachably connected with the stand columns;

the anti-throwing assembly comprises a plurality of installation shafts and a plurality of protection net pieces, wherein the installation shafts are perpendicular to the bridge arrangement, the installation shafts correspond to the stand columns one by one, the bottom end of each installation shaft is detachably connected with the top ends of the stand columns, and for any one protection net piece, two side edges of the protection net piece are respectively connected with two adjacent installation shafts and two adjacent stand columns in a detachable mode.

Optionally, each cross beam is provided with a plurality of first cushion plates, the plurality of first cushion plates correspond to the plurality of columns one to one, and the outer edges of each first cushion plate and the corresponding column are detachably connected together.

Optionally, each first base plate is provided with a reinforcing rib plate, and two side edges of the reinforcing rib plate are respectively welded and connected with the first base plate and the corresponding cross beam.

Optionally, a second cushion plate is arranged at the bottom end of each mounting shaft, the mounting shafts are vertically connected with the second cushion plate, a top end of each upright post is provided with a top plate, and the second cushion plate and the corresponding top plate are parallel and are connected together through bolts.

Optionally, the installation axle includes first bar mounting panel and two second bar mounting panels, first bar mounting panel and two the second bar mounting panel is all perpendicular the bridge is arranged, the both sides limit of first bar mounting panel respectively with two the second bar mounting panel is connected perpendicularly, each the both sides limit of protection net piece respectively with two adjacent the installation axle the second bar mounting panel passes through bolted connection and is in the same place.

Optionally, each of the columns is provided with a plurality of third cushion plates arranged at intervals, two connecting bolts are inserted into the plurality of third cushion plates, one of the connecting bolts is used for connecting the column, and the other connecting bolt is used for connecting the protective mesh.

Optionally, the anti-collision assembly further includes a plurality of bases, each of the bases is used for being installed on the bridge, the plurality of bases corresponds to the plurality of columns one to one, and each of the bases is installed at the bottom end of the corresponding column.

Optionally, the base is provided with a first connecting plate, the bottom end of the upright post is provided with a second connecting plate, and the first connecting plate and the second connecting plate are arranged in parallel and connected together through a bolt.

Optionally, each of the columns and the beams is a steel structural member.

The technical scheme provided by the embodiment of the invention has the following beneficial effects:

according to the protective device for the bridge, provided by the embodiment of the invention, for the anti-collision assembly, a plurality of stand columns are arranged vertically to the bridge, the stand columns are arranged at intervals along the length direction of the bridge, a plurality of cross beams are arranged horizontally at intervals, and the cross beams are respectively detachably connected with the stand columns, so that the collision of vehicles can be effectively prevented through the cross arrangement of the cross beams and the stand columns, the anti-collision effect is achieved, and the use of a concrete entity anti-collision wall with larger weight is avoided.

To preventing throwing the subassembly, many installation axles are all perpendicular bridge arrangement, many installation axles and many stands one-to-one, and the bottom of each installation axle links together with the top detachably of stand. Wherein, the installation axle can increase the mounting height of protection net piece, can not only have the effect of preventing throwing to the space of the anticollision subassembly height range of lower floor through the protection net piece, can also prevent throwing to the space realization above the anticollision subassembly, avoids setting up too high the anticollision subassembly to further reduce holistic weight. In addition, the both sides limit of each protection net piece links together with two adjacent installation axles, two adjacent stand detachably respectively to arrange anticollision subassembly and prevent throwing the subassembly together, greatly reduced the space that this device occupy on the bridge floor width, be applicable to the bridge of various sizes.

In other words, the protection device for the bridge provided by the embodiment of the invention not only can play a role in collision and parabolic prevention, but also can effectively reduce the weight of the protection device and the occupied width of the bridge deck.

Drawings

FIG. 1 is a side view of a fender assembly for a bridge according to an embodiment of the present invention;

FIG. 2 is a front view of a fender device for a bridge according to an embodiment of the invention;

FIG. 3 is an enlarged view of a portion of FIG. 1;

FIG. 4 is a schematic structural view of a mounting shaft provided by an embodiment of the present invention;

FIG. 5 is an assembled view of the mounting shaft provided by the present invention;

fig. 6 is a schematic structural diagram of a protective mesh provided in an embodiment of the present invention.

The symbols in the drawings represent the following meanings:

1. an anti-collision assembly; 11. a column; 111. a top plate; 112. a third base plate; 113. a second connecting plate; 12. a cross beam; 121. a first backing plate; 122. reinforcing rib plates; 13. a base; 131. a first connecting plate; 2. an anti-throw assembly; 21. installing a shaft; 211. a second backing plate; 2111. mounting holes; 212. a first bar-shaped mounting plate; 213. a second strip-shaped mounting plate; 22. a protective mesh; 100. a bridge.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Fig. 1 is a side view of a fender device for a bridge according to an embodiment of the present invention, and as shown in fig. 1, the fender device includes a collision avoidance module 1 and a throw prevention module 2.

The anti-collision assembly 1 comprises a plurality of upright posts 11 and a plurality of cross beams 12, wherein the upright posts 11 are arranged perpendicular to the bridge 100, the upright posts 11 are arranged along the length direction of the bridge 100 at intervals, the cross beams 12 are arranged horizontally at intervals, and the cross beams 12 are detachably connected with the upright posts 11 respectively.

The anti-throwing assembly 2 comprises a plurality of installation shafts 21 and a plurality of pieces of protection net pieces 22, the installation shafts 21 are arranged perpendicular to the bridge 100, the installation shafts 21 and the upright posts 11 correspond to each other one by one (see fig. 2), the bottom end of each installation shaft 21 is detachably connected with the top end of each upright post 11, and for any piece of protection net piece 22, two side edges of the protection net piece 22 are detachably connected with two adjacent installation shafts 21 and two adjacent upright posts 11.

According to the protective device for the bridge, provided by the embodiment of the invention, for the anti-collision assembly 1, the plurality of upright posts 11 are arranged perpendicular to the bridge 100, the plurality of upright posts 11 are arranged at intervals along the length direction of the bridge 100, the plurality of cross beams 12 are arranged horizontally at intervals, and the plurality of cross beams 12 are detachably connected with the upright posts 11 respectively, so that the cross arrangement of the cross beams 12 and the upright posts 11 can effectively prevent the collision of vehicles, the anti-collision effect is achieved, and the use of a concrete entity anti-collision wall with larger weight is avoided.

To preventing throwing subassembly 2, many installation axles 21 are all arranged perpendicular to bridge 100, many installation axles 21 and many stands 11 one-to-one, and the bottom of each installation axle 21 and the top detachably of stand 11 link together. Wherein, installation axle 21 can increase the mounting height of protection net piece 22, can not only have the effect of preventing throwing to the space of the 1 height-range of anticollision subassembly of lower floor through protection net piece 22, can also prevent throwing to the space realization more than anticollision subassembly 1, avoids setting up too high anticollision subassembly 1 to further reduce holistic weight. In addition, the two side edges of each protection net piece 22 are detachably connected with the two adjacent mounting shafts 21 and the two adjacent upright posts 11 respectively, so that the anti-collision assembly 1 and the anti-throwing assembly 2 are arranged together, the occupied space of the device on the width of a bridge deck is greatly reduced, and the device is suitable for bridges 100 of various sizes.

In other words, the protection device for the bridge provided by the embodiment of the invention not only can play a role in collision and parabolic prevention, but also can effectively reduce the weight of the protection device and the occupied width of the bridge deck.

In the embodiment, the transverse section of the upright post 11 is I-shaped, the flange width is 200mm, the plate thickness is 14mm, the web height is 150-240mm, the plate thickness is 12mm, and the distance between adjacent upright posts 11 is 1.5 m. The beam 12 has a rectangular hollow section, a width of 140mm, a height of 140mm and a plate thickness of 10 mm. The number of the beams 12 may be 3 or 4, which is not limited in the present invention.

The anti-collision assembly 1 provided by the invention can adopt different structural heights and sizes according to the grade of a railway bridge spanned on the anti-collision assembly, can maximally resist HA-grade collision load, and meets the requirement of specifications on the height of an inner side anti-collision wall.

Fig. 3 is a partial enlarged view of fig. 1, and as shown in fig. 3, each cross beam 12 has a plurality of first pad plates 121, the plurality of first pad plates 121 correspond to the plurality of columns 11 one by one, and the outer edges of each first pad plate 121 and the corresponding column 11 are detachably connected together.

In the above embodiment, the first shim plate 121 functions to connect the pillar 11 and the cross member 12.

Illustratively, the first pad 121 and the upright 11 are bolted together.

Illustratively, the gauge of the first shim plate 121 is 200 × 280 × 12 mm.

With continued reference to fig. 3, each first backing plate 121 is provided with a reinforcing rib plate 122, and two side edges of the reinforcing rib plate 122 are respectively welded with the first backing plate 121 and the corresponding cross beam 12.

In the above embodiment, the reinforcing rib plate 122 may increase the connection strength of the first pad plate 121 and the cross member 12. The stability of the entire crash module 1 can be further increased by welding between the reinforcement plate 122, the first pad plate 121 and the cross member 12.

In this embodiment, the bottom end of each mounting shaft 21 has a second pad plate 211, the mounting shafts 21 are vertically connected to the second pad plates 211, the top end of each upright 11 has a top plate 111, and the second pad plates 211 are parallel to and bolted to the corresponding top plates 111.

In the above embodiment, the second shim plate 211 and the top plate 111 serve to connect the mounting shaft 21 and the column 11.

Illustratively, the second backing plate 211 has a gauge of 220 × 150 × 12 mm.

Fig. 4 is a schematic structural diagram of the mounting shaft according to the embodiment of the present invention, and as shown in fig. 4, the mounting shaft 21 includes a first bar-shaped mounting plate 212 and two second bar-shaped mounting plates 213, the first bar-shaped mounting plate 212 and the two second bar-shaped mounting plates 213 are both arranged perpendicular to the bridge 100, two side edges of the first bar-shaped mounting plate 212 are respectively connected to the two second bar-shaped mounting plates 213 perpendicularly, and two side edges of each protection mesh 22 are respectively connected to the second bar-shaped mounting plates 213 of two adjacent mounting shafts 21 by bolts, so as to connect the protection mesh 22 and the mounting shaft 21.

Fig. 5 is an assembly diagram of a mounting shaft according to an embodiment of the present invention, and as shown in fig. 5, a first bar-shaped mounting plate 212 and two second bar-shaped mounting plates 213 are welded to a second backing plate 211.

Illustratively, the second backing plate 211 has a plurality of mounting holes 2111 therein for attaching the top plate 111.

Referring to fig. 2 again, each upright post 11 has a plurality of third base plates 112 arranged at intervals, and two connecting bolts are inserted into the plurality of third base plates 112, one connecting bolt is used for connecting the upright posts 11, and the other connecting bolt is used for connecting the protective mesh 22.

In the above embodiment, the connection between the column 11 and the protective mesh 22 is achieved by the third shim plate 112.

Illustratively, the gauge of the third shim plate 112 is 170 × 70 × 12 mm.

Referring again to fig. 1, the anti-collision assembly 1 further includes a plurality of bases 13, each base 13 is used for being installed on the bridge 100, the plurality of bases 13 correspond to the plurality of columns 11 one to one, and each base 13 is installed at the bottom end of the corresponding column 11.

In the above embodiment, the connection between the upright 11 and the bridge 100 is realized by the base 13.

Illustratively, the base 13 and the bridge 100 are connected together by welding.

Specifically, the base 13 is provided with a first connecting plate 131, the bottom end of the upright 11 is provided with a second connecting plate 113, and the first connecting plate 131 and the second connecting plate 113 are arranged in parallel and connected together through bolts, so that the base 13 and the upright 11 are connected.

In the present embodiment, each of the columns 11 and the beams 12 is a steel structural member, for example: Q345C steel, thereby increasing crashworthiness. In addition, the protective mesh 22 uses a stainless steel net.

Fig. 6 is a schematic structural view of the protective mesh provided in the embodiment of the present invention, and as shown in fig. 6, the protective mesh 22 is a polygonal structure, and the distances between the protective mesh 22 and the upright 11, the mounting shaft 21, and the bridge deck are all less than 1 cm. Bolt holes are formed in two sides of the protective net piece 22, and the positions of the bolt holes correspond to the specifications and the positions of the bolt holes of the upright post 11 and the mounting shaft 21.

The protection device provided by the invention has the following specific advantages:

(1) the protection device realizes the integrated structure of the anti-collision guardrail (the upright post 11 and the cross beam 12) and the protection net piece 22, is convenient to replace and maintain, effectively saves the overall installation width of an anti-collision and anti-throwing structure, and can be well applied to the bridge 100 with the limited beam width.

(2) Compare the concrete anticollision wall, the dead weight has reduced 50%, and 100 structure lightweight of bridge.

(3) The structure adopts a bolt welding combined connection mode, and the safety, reliability and easy replaceability of the structure are ensured.

(4) The using amount of main materials of the structure is reduced, the engineering investment is reduced, and the economic performance of the bridge 100 is better.

(5) The driving of the structure has transparent vision, good landscape effect and good popularization value.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.