CN219059758U

CN219059758U - Bridge guardrail steel structure easy to splice

Info

Publication number: CN219059758U
Application number: CN202223029878.7U
Authority: CN
Inventors: 刘泽宇
Original assignee: Xinjiang Huafeng Jiasheng Construction Engineering Co ltd
Current assignee: Xinjiang Huafeng Jiasheng Construction Engineering Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-05-23
Anticipated expiration: 2032-11-15

Abstract

The utility model belongs to the technical field of bridge guardrails, in particular to an easy-to-splice bridge guardrail steel structure which comprises a bridge main body foundation, upright posts, a guardrail cross bar, a splicing assembly, a grounding bottom plate, a mounting seat, a second long bolt and a second positive hexagonal nut, wherein the upright posts are arranged at equal intervals along the horizontal direction; the grounding bottom plate is fixed at the bottom end of the mounting seat; the splicing assembly comprises two connecting plates, a first long bolt and a first positive hexagonal nut which are symmetrically distributed; according to the bridge guardrail steel structure, the upright posts are mounted through the mounting seat, the second long bolt and the second positive hexagonal nut, and the damaged upright posts are convenient to detach, maintain or replace independently on the premise of guaranteeing stable mounting of the upright posts, so that the maintenance cost is greatly reduced; the guardrail cross rod realizes the stable concatenation with the stand through splice assembly, under the prerequisite of guaranteeing the concatenation stability, also is convenient for dismantle maintenance or change alone to the guardrail cross rod of damage.

Description

Bridge guardrail steel structure easy to splice

Technical Field

The utility model belongs to the technical field of bridge guardrails, and particularly relates to a bridge guardrail steel structure easy to splice.

Background

The bridge guardrail is a guardrail arranged on a bridge, and aims to prevent a vehicle out of control from going out of the bridge, and has the functions of making the vehicle unable to break through, run down, cross the bridge and beautify bridge buildings.

The utility model discloses a traditional bridge guardrail, which is characterized in that upright posts and guardrail cross bars of the traditional bridge guardrail are welded and fixed, and the upright posts and a bridge main body foundation are directly poured into a whole, for example, the bridge guardrail disclosed in China patent application No. 201520798914.7 comprises a plurality of upright posts arranged at the edge of a bridge, a main guardrail bar and small guardrail bars are arranged between the upright posts, a plurality of supports extending outwards along the bridge are arranged on the side wall of the bridge, connecting rods are fixed between the supports, and supporting rods connected with the main guardrail bars are arranged on the connecting rods.

However, when the bridge guardrail of the scheme is in actual use, when the guardrail is impacted by external force, the guardrail can be bent and damaged to different degrees necessarily, the existing upright post is usually directly poured with the bridge main body foundation into a whole, the maintenance is very troublesome, the cost is relatively high, and the stability of the post poured secondarily is not necessarily as good as that of one-time pouring.

The above information disclosed in the background section is only for enhancement of understanding of the background of the utility model and therefore it may contain information that does not form the prior art that is already known to a person of ordinary skill in the art.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides the bridge guardrail steel structure which is easy to splice, and has the characteristics of easy splice, convenient maintenance and good stability.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the bridge guardrail steel structure easy to splice comprises a bridge main body foundation, upright posts, guardrail cross bars, a plurality of upright posts, a plurality of guardrail cross bars, a splicing assembly, a grounding bottom plate, a mounting seat, a second long bolt and a second positive hexagonal nut, wherein the upright posts are arranged at equal intervals along the horizontal direction;

the grounding bottom plate is fixed at the bottom end of the mounting seat and used for being integrally poured with the bridge main body foundation, a mounting groove is formed in the mounting seat and used for being embedded by the bottom end of the upright post, a waist-shaped hole is formed in the mounting seat, a fixing hole is formed in the upright post, the second long bolt penetrates through the fixing hole and the waist-shaped hole, and the second positive hexagonal nut is mounted on the extending end of the second long bolt in a threaded screwing mode;

the splicing assembly comprises two symmetrically distributed connecting plates, a long bolt and a positive hexagonal nut, two symmetrically distributed fixing clamping blocks are fixed on opposite faces of the connecting plates and used for clamping the upright posts, arc grooves are formed in the end portions of the fixing clamping blocks and used for being attached to the outer walls of the guardrail cross bars, assembling blocks are fixed on the top faces and the bottom faces of the connecting plates, the long bolt penetrates through the assembling blocks, and the positive hexagonal nut is installed on the extending ends of the long bolt in a threaded screwing mode.

As a preferable technical scheme of the utility model, a plurality of first L-shaped deformed bars are welded on the bottom surface of the grounding bottom plate.

As a preferable technical scheme of the utility model, a positioning block is fixed on the inner wall of an arc opening of the arc-shaped groove, and a positioning groove for embedding the positioning block is formed on the outer wall of the guardrail cross rod.

As a preferable technical scheme of the utility model, the bridge comprises an overhanging steel plate and an inclined supporting plate, wherein the end part of the overhanging steel plate is fixedly provided with a fixed steel plate for being poured into a whole with the side face of the bridge main body foundation, the top end of the inclined supporting plate is sleeved on the guardrail cross rod, and the bottom end of the inclined supporting plate is hinged with the overhanging steel plate.

As a preferable technical scheme of the utility model, the three-long bolt and the three-positive hexagonal nut are further included, two symmetrically distributed hinge seats are fixed on the top surface of the overhanging steel plate, a connecting hole is formed in the bottom end of the inclined supporting plate, the three-long bolt penetrates through the hinge seat and the connecting hole, and the three-positive hexagonal nut is installed on the extending end of the three-long bolt in a threaded screwing mode.

As a preferable technical scheme of the utility model, a plurality of second-type L-shaped deformed bars are welded on the fixed steel plate.

Compared with the prior art, the utility model has the beneficial effects that: according to the bridge guardrail steel structure, the upright posts are mounted through the mounting seat, the second long bolt and the second positive hexagonal nut, and the damaged upright posts are convenient to detach, maintain or replace independently on the premise of guaranteeing stable mounting of the upright posts, so that the maintenance cost is greatly reduced; the guardrail cross rod realizes the stable concatenation with the stand through splice assembly, under the prerequisite of guaranteeing the concatenation stability, also is convenient for dismantle maintenance or change alone to the guardrail cross rod of damage.

Additional advantages and benefits of the present application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the present application.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the splice assembly of FIG. 1 according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the utility model at A in FIG. 1;

FIG. 4 is a schematic illustration of an axially extending steel plate structure according to the present utility model;

in the figure: 1. a bridge main body foundation; 2. a column; 3. guard rail cross bars; 4. a splice assembly; 5. a cantilever steel plate; 6. an inclined support plate; 7. a connecting plate; 8. fixing the clamping blocks; 9. an arc-shaped groove; 10. assembling blocks; 11. a first long bolt; 12. a first positive hexagonal nut; 13. a positioning block; 14. a positioning groove; 15. a ground base plate; 16. a mounting base; 17. a mounting groove; 18. a fixing hole; 19. a waist-shaped hole; 20. a second long bolt; 21. a second positive hexagonal nut; 22. a first L-shaped deformed bar; 23. fixing the steel plate; 24. a second L-shaped deformed bar; 25. a hinge base; 26. a third long bolt; 27. a third positive hexagonal nut; 28. and a connection hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides the following technical solutions: the bridge guardrail steel structure easy to splice comprises a bridge main body foundation 1, upright posts 2 and guardrail cross bars 3, wherein the upright posts 2 are arranged at equal intervals along the horizontal direction, the guardrail cross bars 3 are arranged at equal intervals along the vertical direction and penetrate through the upright posts 2, and the bridge guardrail steel structure easy to splice also comprises a splicing component 4, a grounding bottom plate 15, a mounting seat 16, a second long bolt 20 and a second regular hexagonal nut 21;

in the embodiment, as shown in fig. 1 and fig. 3, the grounding bottom plate 15 is fixed at the bottom end of the mounting seat 16 for being integrally poured with the bridge main body foundation 1, the mounting seat 16 is internally provided with the mounting groove 17 for being embedded by the bottom end of the upright post 2, the mounting seat 16 is provided with the waist-shaped hole 19, the upright post 2 is internally provided with the fixing hole 18, the second long bolt 20 penetrates through the fixing hole 18 and the waist-shaped hole 19, and the second regular hexagonal nut 21 is arranged on the extending end of the second long bolt 20 in a threaded screwing mode, so that the mounting seat 16 is integrally poured with the bridge main body foundation 1 through the grounding bottom plate 15 during construction, then the bottom end of the upright post 2 is embedded into the mounting groove 17, the second long bolt 20 penetrates through the fixing hole 18 and the waist-shaped hole 19, and the second regular hexagonal nut 21 is screwed on the extending end of the second long bolt 20, and the mounting of the upright post 2 can be completed, and the damaged upright post 2 is convenient to be independently detached or maintained on the premise of ensuring that the mounting of the upright post 2 is stable, and the maintenance cost is greatly reduced;

as shown in fig. 1 and fig. 2, in this embodiment, the splicing component 4 includes two connecting plates 7, a long bolt 11 and a positive hexagonal nut 12 that are symmetrically distributed, two fixing clamp pieces 8 that are symmetrically distributed are all fixed on opposite faces of two connecting plates 7 and are used for holding the stand 2, the end of each fixing clamp piece 8 is provided with an arc-shaped groove 9 for attaching to the outer wall of the guardrail cross rod 3, the top surface and the bottom surface of the connecting plate 7 are both fixed with assembling blocks 10, the long bolt 11 penetrates through the assembling blocks 10, the positive hexagonal nut 12 is installed on the extending end of the long bolt 11 in a threaded screwing mode, a plurality of guardrail cross rods 3 are arranged at equal intervals along the vertical direction and penetrate through the stand 2, the splicing component 4 is arranged at the connecting joint of the guardrail cross rods 3 and the stand 2, the two connecting plates 7 are symmetrically arranged on the front side and the rear side of the stand 2, the stand 2 is held by the fixing clamp pieces 8, then the long bolt 11 penetrates through the assembling blocks 10 on the two connecting plates 7, and the positive hexagonal nut 12 can be detached or replaced independently on the extending end of the long bolt 11, and the guardrail can be stably maintained or maintained and maintained.

In addition, it should be further explained that, in actual construction, the splice components 4 are not necessarily arranged at each connection node position of the guardrail cross rod 3 and the upright posts 2, the arrangement density of the splice components 4 is determined according to the site situation and the grade of the bridge road, the higher the arrangement density of the splice components 4 is theoretically, the more the guardrail on the bridge road with the higher grade is, for the guardrail on the bridge road with the lower grade, the number of the splice components 4 can be properly reduced, for example, for the bridge on the four-grade highway, the strength requirement on the guardrail is slightly lower than that of the first-grade highway, and a group of splice components 4 can be arranged between a certain number of upright posts 2 and the guardrail cross rod 3, so that the strength requirement is met, and the construction material cost and the time cost are also reduced.

As shown in fig. 1 and fig. 3, in this embodiment, a plurality of first L-shaped deformed bars 22 are welded on the bottom surface of the grounding plate 15, so as to further improve the stability of casting and forming the grounding plate 15 and the bridge main body foundation 1.

As shown in fig. 1 and fig. 2, in this embodiment, a positioning block 13 is fixed on the inner wall of the arc opening of the arc groove 9, and a positioning slot 14 for embedding the positioning block 13 is provided on the outer wall of the guardrail cross rod 3, so that the splicing stability of the guardrail cross rod 3 and the upright post 2 is further improved, and the guardrail cross rod 3 is prevented from sliding transversely.

As shown in fig. 1 and fig. 4, as an alternative embodiment, the bridge body foundation structure further comprises an overhanging steel plate 5 and an inclined support plate 6, wherein a fixed steel plate 23 is fixed at the end part of the overhanging steel plate 5 and used for being poured with the side surface of the bridge body foundation 1 into a whole, the top end of the inclined support plate 6 is sleeved on the guardrail cross rod 3, the bottom end of the inclined support plate 6 is hinged with the overhanging steel plate 5, the inclined support plate 6 is used for supporting the guardrail cross rod 3, and when the guardrail cross rod 3 is impacted by the inner side, the inclined support plate 6 can offset part of impact force, so that the stability and structural integrity of the guardrail cross rod 3 and the upright post 2 are ensured.

As shown in fig. 1 and fig. 4, in this embodiment, the hinge base 25 with two symmetrical distributions is fixed on the top surface of the overhanging steel plate 5, the bottom end of the inclined support plate 6 is provided with a connecting hole 28, the long bolt 26 penetrates through the hinge base 25 and the connecting hole 28, the long bolt 26 and the regular hexagonal nut 27 are installed on the extending end of the long bolt 26 in a threaded screwing manner, and the long bolt 26 and the regular hexagonal nut 27 are matched in a direction, so that the hinged connection of the inclined support plate 6 and the overhanging steel plate 5 is realized.

As shown in fig. 1 and fig. 4, in this embodiment, a plurality of second L-shaped deformed bars 24 are welded on the fixed steel plate 23, so as to further improve the stability of casting and forming the fixed steel plate 23 and the bridge main body foundation 1.

The working principle and the using flow of the utility model are as follows: according to the bridge guardrail steel structure easy to splice, during construction, the mounting seat 16 is integrally poured with the bridge main body foundation 1 through the grounding bottom plate 15, then the bottom end of the upright post 2 is embedded into the mounting groove 17, the second long bolt 20 penetrates through the fixing hole 18 and the waist-shaped hole 19, and the second positive hexagonal nut 21 is screwed on the extending end of the second long bolt 20, so that the installation of the upright post 2 can be completed, and the damaged upright post 2 can be detached and maintained or replaced independently conveniently on the premise of ensuring the stable installation of the upright post 2, so that the maintenance cost is greatly reduced;

the splice assembly 4 is arranged at the joint of the guardrail cross rod 3 and the upright post 2, so that the two connecting plates 7 are symmetrically arranged on the front side and the rear side of the upright post 2, the upright post 2 is clamped by the fixing clamping blocks 8, a long bolt 11 is penetrated through the assembly blocks 10 on the two connecting plates 7, a positive hexagonal nut 12 is screwed on the extending end of the long bolt 11, and the positioning block 13 is embedded into the corresponding positioning groove 14 at the moment, so that the damaged guardrail cross rod 3 is also convenient to be independently disassembled, maintained or replaced on the premise of ensuring stable splicing.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a bridge guardrail steel construction of easily concatenation, includes bridge main body basis (1), stand (2) and guardrail horizontal pole (3), a plurality of stand (2) are along equidistant setting of horizontal direction, and a plurality of guardrail horizontal pole (3) are along equidistant setting of vertical direction and run through stand (2), its characterized in that: the bridge guardrail steel structure easy to splice further comprises a splicing assembly (4), a grounding bottom plate (15), a mounting seat (16), a second long bolt (20) and a second positive hexagonal nut (21);

the grounding bottom plate (15) is fixed at the bottom end of the mounting seat (16) and is used for being integrally poured with the bridge main body foundation (1), a mounting groove (17) is formed in the mounting seat (16) and is used for embedding the bottom end of the upright post (2), a waist-shaped hole (19) is formed in the mounting seat (16), a fixing hole (18) is formed in the upright post (2), a second long bolt (20) penetrates through the fixing hole (18) and the waist-shaped hole (19), and a second positive hexagonal nut (21) is mounted on the extending end of the second long bolt (20) in a threaded screwing mode;

the splicing assembly (4) comprises two symmetrically distributed connecting plates (7), a long bolt (11) and a positive hexagonal nut (12), two symmetrically distributed fixing clamping blocks (8) are fixed on opposite faces of the connecting plates (7) and used for clamping the upright posts (2), arc-shaped grooves (9) are formed in the end portions of the fixing clamping blocks (8) and used for being attached to the outer walls of the guardrail cross bars (3), assembling blocks (10) are fixed on the top faces and the bottom faces of the connecting plates (7), the long bolt (11) penetrates through the assembling blocks (10), and the positive hexagonal nut (12) is installed on the extending ends of the long bolts (11) in a threaded screwing mode.

2. The bridge guardrail steel structure easy to splice according to claim 1, wherein: a plurality of first L-shaped deformed bars (22) are welded on the bottom surface of the grounding bottom plate (15).

3. The bridge guardrail steel structure easy to splice according to claim 1, wherein: a positioning block (13) is fixed on the inner wall of the arc opening of the arc-shaped groove (9), and a positioning groove (14) for embedding the positioning block (13) is formed in the outer wall of the guardrail cross rod (3).

4. The bridge guardrail steel structure easy to splice according to claim 1, wherein: the bridge body foundation structure is characterized by further comprising an overhanging steel plate (5) and an inclined support plate (6), wherein a fixed steel plate (23) is fixed at the end part of the overhanging steel plate (5) and used for being poured with the side face of the bridge body foundation (1) into a whole, and the top end of the inclined support plate (6) is sleeved on the guardrail cross rod (3) and the bottom end of the inclined support plate is hinged with the overhanging steel plate (5).

5. The bridge guardrail steel structure easy to splice as defined in claim 4, wherein: still include No. three long bolt (26) and No. three positive hexagon nut (27) the top surface of overhanging steel plate (5) is fixed with articulated seat (25) of two symmetrical distributions the connecting hole (28) have been seted up to the bottom of sloping backup pad (6), no. three long bolt (26) run through articulated seat (25) with connecting hole (28), no. three positive hexagon nut (27) are installed through the screw thread mode of closing on the end that stretches out of No. three long bolt (26).

6. The bridge guardrail steel structure easy to splice as defined in claim 4, wherein: a plurality of second L-shaped deformed bars (24) are welded on the fixed steel plate (23).