CN217104780U - Vertical plate type wind barrier structure of railroad bridge - Google Patents

Abstract

The utility model discloses a vertical plate formula wind barrier structure of railroad bridge, which comprises a base, the fixed stand that is provided with a plurality of equidistance and sets up on the base, fixed mounting has wind barrier subassembly between two adjacent stands, wind barrier subassembly includes the frame and installs a plurality of arch wind-resistant boards in the frame, adjacent two be provided with the ventilation duct between the arch wind-resistant board, when arch wind-resistant board uplift side is blown by radial strong wind, elastic deformation can take place and reduce its crooked radian, and seal the ventilation duct. The utility model discloses a set up the anti-wind board of arch and ventilation groove, when outside radial wind blows the dynamics great, the anti-wind board of arch just bears radial wind thrust, takes place bending deformation and reduces its crooked radian to the messenger enlarges its coverage area on the frame, realizes ventilating the groove confined effect, alright further resist radial wind, makes the unable vehicle that influences in the wind screen barrier of powerful radial wind.

Description

Vertical plate type wind barrier structure of railway bridge

Technical Field

The utility model relates to a wind screen technical field, concretely relates to vertical plate formula wind screen structure of railway bridge.

Background

The wind screen is also called as a wind baffle, reduces the wind speed of the incoming wind, consumes the kinetic energy of the incoming wind, reduces the turbulence of the wind, eliminates the vortex of the incoming wind, and plays a role in eliminating the threat of cross wind on roads.

The patent document CN113152321A discloses a vertical plate type wind barrier for a railroad bridge, which includes pre-embedded components pre-embedded in a vertical wall and a cover plate of the bridge, wind shielding vertical plates and cross bars distributed in an array, wherein the wind shielding vertical plates extend along the direction of a railroad track, and wind shielding flat plates are arranged between the wind shielding vertical plates; the first fixing bolt penetrates through the cross rod, the wind shielding flat plate and the wind shielding vertical plate in sequence to be fixed, and a second fixing bolt is arranged between the wind shielding vertical plate and the wind shielding flat plate; the wind shielding vertical plate comprises a bottom plate, the embedded component comprises U-shaped anchor bolts, locking nuts and leveling nuts, the U-shaped anchor bolts, the locking nuts and the leveling nuts are symmetrically distributed on the bottom plate, the locking nuts and the leveling nuts are located on the U-shaped anchor bolts, and the locking nuts and the leveling nuts are located on two sides of the bottom plate respectively. The vertical plate type wind barrier is formed by splicing a plurality of embedded assemblies, a plurality of wind shielding vertical plates, a wind shielding flat plate and a cross rod, and has the advantages of light self weight, convenience in installation, good bending resistance and good wind shielding performance.

In current wind screen, its functional structure often is fixed, and can't adjust anti-wind ability according to the radial wind speed that the reality receives, makes then that this type of wind screen can't deal with the wind speed in a flexible way and changes extremely many environment, makes then that life is not high, consequently needs a railway bridge's vertical plate formula wind screen structure to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vertical plate formula wind protective screen structure of railroad bridge to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a vertical plate formula wind screen structure of railroad bridge, includes the base, the fixed stand that is provided with a plurality of equidistance and sets up on the base, fixed mounting has wind screen assembly between two adjacent stands, wind screen assembly includes the frame and installs a plurality of arch wind-resistant boards in the frame, adjacent two be provided with the ventilation slot between the arch wind-resistant board, when arch wind-resistant board uplift side is blown by radial strong wind, elastic deformation can take place and reduce its crooked radian to seal the ventilation slot.

Preferably, the starting ends of the bending of the arched wind-resistant plates are fixedly provided with sliding rods, and the opposite sides of the inner wall of the frame are provided with sliding chutes matched with the end parts of the sliding rods.

Preferably, two are adjacent be provided with the spring groove between the spout, the fixed guide arm that is provided with of spring inslot, the laminating of arch anti-wind board sunken side is provided with the ejector pin, ejector pin tip embedding spring inslot and slip cover are established on the guide arm, be provided with the spring of cover on the guide arm between ejector pin tip surface and the spring inslot wall.

Preferably, the side walls of the upright posts are provided with grooves, and mounting areas matched with the frame are formed between the upright posts on two sides through the grooves.

Preferably, the bottom of the frame is fixedly provided with an insertion block, the base is provided with a slot matched with the insertion block, and the base is internally provided with a fastening assembly for tensioning the insertion block downwards.

Preferably, a rubber pad is arranged between the base and the frame.

Preferably, the fastening component comprises a sliding groove communicated with the side wall of the slot, a sliding block is movably arranged in the sliding groove, an extrusion groove matched with the sliding block is formed in the inserting block, and the lower surface of the sliding block is in wedge-shaped fit with the inner bottom surface of the extrusion groove.

Preferably, the side wall of the base is in threaded connection with a bolt, and the end part of the bolt is inserted into the sliding groove and is rotationally connected with the sliding block.

In the technical scheme, the beneficial effects of the utility model are that:

according to the vertical plate type wind barrier structure of the railway bridge, the arch-shaped wind resisting plates and the ventilation grooves are arranged, when the outside radial wind blows with small force, the arch-shaped wind resisting plates guide airflow, the ventilation grooves dredge airflow, radial wind at the moment has little influence on vehicles in the wind barrier, when the outside radial wind blows with large force, the arch-shaped wind resisting plates bear radial wind thrust, bending deformation is generated to reduce the bending radian of the arch-shaped wind resisting plates, the covering area of the arch-shaped wind resisting plates on the frame is enlarged, the effect of closing the ventilation grooves is achieved, radial wind can be further resisted, powerful radial wind cannot influence the vehicles in the wind barrier, and the elastic change structure for guiding weak wind and resisting strong wind can improve the service life of the wind barrier on the premise of ensuring the wind shielding protection function of the wind barrier.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of an overall front view structure provided in an embodiment of the present invention;

fig. 2 is a schematic view of an overall back-view structure provided in an embodiment of the present invention;

fig. 3 is an enlarged schematic structural diagram of a point a in fig. 2 according to an embodiment of the present invention;

fig. 4 is a schematic side view of a cross-sectional structure according to an embodiment of the present invention;

fig. 5 is an enlarged schematic structural diagram of a point B in fig. 4 according to an embodiment of the present invention.

Description of the reference numerals:

1. a base; 2. a column; 3. a frame; 4. an arched wind-resistant plate; 5. a ventilation slot; 6. a slide bar; 7. a chute; 8. a spring slot; 9. a guide bar; 10. a top rod; 11. a spring; 12. a groove; 13. inserting a block; 14. a slot; 15. a rubber pad; 16. a sliding groove; 17. a sliding block; 18. extruding a groove; 19. and (4) bolts.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Referring to fig. 1-5, an embodiment of the present invention provides a vertical plate type wind barrier structure for railroad bridge, including a base 1, a plurality of equally spaced columns 2 are fixedly disposed on the base 1, a wind barrier assembly is fixedly disposed between two adjacent columns 2, the wind barrier assembly includes a frame 3 and a plurality of arched wind-resistant plates 4 disposed in the frame 3, a ventilation slot 5 is disposed between two adjacent arched wind-resistant plates 4, and when the arched wind-resistant plates 4 are blown by radial strong wind, elastic deformation can occur to reduce the curvature of the arched wind-resistant plates, and the ventilation slot 5 is closed.

Specifically, the base 1 is usually made of concrete and is directly fixed on two sides of a railway bridge to play a role in supporting and positioning a wind barrier; the upright post 2 is used for supporting and connecting a wind barrier, and plays a role in bearing bending moment and shearing force brought by the wind barrier when the wind barrier is blown by radial wind; the frame 3 is arranged, so that the wind barrier component forms a kit, and the wind barrier component is conveniently and directly arranged between the two upright posts 2; the arched wind-resisting plates 4 are transversely arranged in the frame 3 and vertically arranged into a surface, or longitudinally arranged and transversely arranged into a surface; the middle position of the bulged side of the arched wind resisting plate 4 faces the outermost side of the wind screen arranged on the railway bridge, and the arched wind resisting plate 4 is a thin plate with bending elasticity, keeps an arch shape when not stressed, and can bend to be flat when stressed. In practical use, radial wind blows to the outer side of the wind barrier and is blocked by the arched wind resisting plate 4, then the radial wind flows to the ventilation groove 5 under the guidance of the outer surface of the arched wind resisting plate 4, and the ventilation groove 5 can simultaneously receive airflows guided by the upper side and the lower side in different directions, so that the airflows are converged at the ventilation groove 5 and mutually impact to consume the kinetic energy carried by the airflows, and the effect of weakening the wind speed through the wind barrier is realized; when the blowing force of the outside radial wind is large, the arched wind resisting plate 4 bears the thrust of the radial wind, and is bent and deformed to reduce the bending radian of the arched wind resisting plate, so that the coverage area of the arched wind resisting plate on the frame 3 is enlarged, the effect of sealing the ventilating slot 5 is realized, the radial wind can be further resisted, and the strong radial wind cannot influence the vehicles in the arched wind resisting plate through the wind barrier. The elastic change structure for guiding weak wind and resisting strong wind can prolong the service life of the wind barrier on the premise of ensuring the wind shielding protection function of the wind barrier.

Compared with the prior art, the vertical plate type wind barrier structure of the railroad bridge provided by the embodiment of the utility model is provided with the arched wind resisting plate 4 and the ventilating slot 5, when the blowing force of the outside radial wind is small, the arch wind-resisting plate 4 guides the airflow, the ventilation groove 5 channels the airflow, the radial wind at the moment has little influence on the vehicles in the wind barrier, when the blowing force of the outside radial wind is large, the arched wind-resisting plate 4 bears the thrust of the radial wind, generates bending deformation to reduce the bending radian thereof, therefore, the coverage area of the wind barrier on the frame 3 is enlarged, the effect of sealing the ventilating slot 5 is realized, radial wind can be further resisted, strong radial wind cannot influence vehicles in the wind barrier, and the elastic change structure for weak wind dredging and strong wind resisting can prolong the service life of the wind barrier on the premise of ensuring the wind shielding protection function of the wind barrier.

As a preferred technical solution of this embodiment, the starting ends of the curved arch wind-resistant panels 4 are all fixedly provided with slide bars 6, the opposite sides of the inner wall of the frame 3 are all provided with slide grooves 7 matched with the ends of the slide bars 6, specifically, the slide bars 6 are used for limiting the curved starting ends of the curved arch wind-resistant panels 4 on the inner wall of the frame 3, when the curved arch wind-resistant panels 4 are subjected to large radial force and tend to be bent into a flat plate shape, the slide bars 6 are driven to be away from each other, the slide grooves 7 are used for limiting the moving direction of the slide bars 6, and it is ensured that the middle positions of the rising sides of the curved arch wind-resistant panels 4 are kept facing the outermost sides of the wind barrier arranged on the railroad bridge.

In another embodiment provided by the utility model, a spring groove 8 is arranged between two adjacent chutes 7, a guide rod 9 is fixedly arranged in the spring groove 8, a top rod 10 is arranged on the concave side of the arched wind-resisting plate 4, the end part of the top rod 10 is embedded into the spring groove 8 and is sleeved on the guide rod 9 in a sliding manner, a spring 11 sleeved on the guide rod 9 is arranged between the outer surface of the end part of the top rod 10 and the inner wall of the spring groove 8, specifically, the spring groove 8 and the guide rod 9 are arranged in a radial manner, the top rod 10 is laminated at the middle position of the concave side of the arched wind-resisting plate 4, the end part of the top rod 10 is provided with a through hole matched with the guide rod 9, and the end part of the top rod 10 is sleeved on the guide rod 9 by the through hole; the spring 11 is used for keeping pushing the ejector rod 10 to be close to the arched wind resisting plate 4, so that when the rising side of the arched wind resisting plate 4 is subjected to radial force, the arched wind resisting plate 4 not only generates elastic deformation which tends to be flat, but also pushes the ejector rod 10, the ejector rod 10 moves on the guide rod 9 and extrudes the spring 11, the spring 11 generates elastic deformation and stores elastic potential energy to resist the movement of the ejector rod 10, and therefore the wind resisting capacity of the arched wind resisting plate 4 is enhanced, meanwhile, the elastic recovery capacity of the spring 11 can also promote the arched wind resisting plate 4 to recover and keep the bending radian when the arched wind resisting plate is not subjected to the force.

In another embodiment of the present invention, the side wall of the upright post 2 is provided with a groove 12, a mounting area matched with the frame 3 is formed between the upright posts 2 at two sides through the groove 12, specifically, the groove 12 can limit the side of the frame 3, so that the frame 3 is fixed relative to the upright post 2, and meanwhile, with the help of the inner wall of the groove 12, the stress transmitted from the arch wind-resistant plate 4 on the frame 3 can be transmitted to the upright post 2, and then the upright post 2 plays a main role in bearing bending moment and shearing force; the upper side of the installation area is the entrance end of the frame 3.

As the preferred technical scheme of this embodiment, frame 3 bottom is fixed and is provided with inserted block 13, is provided with the slot 14 with inserted block 13 assorted on the base 1, is provided with the fastening components who is used for taut inserted block 13 downwards in the base 1, and specifically, inserted block 13 can accurately insert in the slot 14 when the installation zone is packed into along with frame 3 from top to bottom removal, then through the up-shifting of fastening components spacing inserted block 13 in slot 14 to can fix frame 3 in the installation zone.

As a preferred technical solution of this embodiment, a rubber pad 15 is disposed between the base 1 and the frame 3, and specifically, the rubber pad 15 is used to fill up an installation gap between the base 1 and the frame 3, so that vertical vibration caused by radial wind on the frame 3 can be buffered, and noise generated by collision between the frame 3 and the base 1 can be reduced.

As a preferred technical scheme of the embodiment, the fastening assembly comprises a sliding groove 16 communicated with the side wall of the slot 14, a sliding block 17 is movably arranged in the sliding groove 16, an extrusion groove 18 matched with the sliding block 17 is arranged on the insertion block 13, the lower surface of the sliding block 17 is in wedge fit with the inner bottom surface of the extrusion groove 18, a bolt 19 is in threaded connection with the side wall of the base 1, the end part of the bolt 19 is inserted into the sliding groove 16 and is rotatably connected with the sliding block 17, and specifically, when the insertion block 13 moves in the slot 14, the sliding block 17 is kept in the sliding groove 16 without obstructing the movement of the insertion block 13; when the bolt 19 rotates, the screw feeding effect with the base 1 can drive the sliding block 17 to move in the sliding groove 16, then, the sliding block 17 continuously extends into the extrusion groove 18, the sliding block 17 firstly contacts with the inner bottom surface of the extrusion groove 18 through the lower surface, a gap is reserved between the upper surface and the inner top surface of the extrusion groove 18, then under the wedge-shaped matching effect of the lower surface of the sliding block 17 and the inner bottom surface of the extrusion groove 18, the sliding block 17 continuously extending into the extrusion groove 18 can generate downward pulling force on the insertion block 13, and therefore the frame 3 is pressed on the rubber pad 15 downwards.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (8)

1. The utility model provides a vertical plate formula wind barrier structure of railroad bridge, includes base (1), its characterized in that: fixed stand (2) that are provided with a plurality of equidistance settings on base (1), fixed mounting has wind barrier subassembly between two adjacent stand (2), wind barrier subassembly includes frame (3) and installs a plurality of arch wind resisting plate (4) in frame (3), adjacent two be provided with between arch wind resisting plate (4) ventilation duct (5), when arch wind resisting plate (4) uplift side receives radial strong wind to blow, elastic deformation can take place and reduce its crooked radian, and seal ventilation duct (5).

2. The vertical plate type wind barrier structure of the railway bridge as claimed in claim 1, wherein the starting ends of the arched wind resisting plates (4) are fixedly provided with sliding rods (6), and the opposite sides of the inner wall of the frame (3) are provided with sliding grooves (7) matched with the ends of the sliding rods (6).

3. The vertical plate type wind barrier structure of the railway bridge as claimed in claim 2, wherein a spring groove (8) is arranged between two adjacent sliding grooves (7), a guide rod (9) is fixedly arranged in the spring groove (8), an ejector rod (10) is attached to the concave side of the arched wind resisting plate (4), the end of the ejector rod (10) is embedded into the spring groove (8) and is slidably sleeved on the guide rod (9), and a spring (11) sleeved on the guide rod (9) is arranged between the outer surface of the end of the ejector rod (10) and the inner wall of the spring groove (8).

4. The vertical plate type wind barrier structure of the railway bridge, according to the claim 1, characterized in that the side walls of the upright posts (2) are provided with grooves (12), and a mounting area matched with the frame (3) is formed between the upright posts (2) at two sides through the grooves (12).

5. The vertical plate type wind barrier structure of the railway bridge as claimed in claim 1, wherein an insert block (13) is fixedly arranged at the bottom of the frame (3), a slot (14) matched with the insert block (13) is arranged on the base (1), and a fastening assembly for tensioning the insert block (13) downwards is arranged in the base (1).

6. A vertical plate wind barrier structure of a railroad bridge according to claim 1, characterized in that a rubber pad (15) is arranged between the base (1) and the frame (3).

7. The vertical plate type wind barrier structure of the railway bridge as claimed in claim 5, wherein the fastening assembly comprises a sliding groove (16) communicated with the side wall of the insertion groove (14), a sliding block (17) is movably arranged in the sliding groove (16), an extrusion groove (18) matched with the sliding block (17) is arranged on the insertion block (13), and the lower surface of the sliding block (17) is in wedge fit with the inner bottom surface of the extrusion groove (18).

8. The vertical plate type wind barrier structure of the railway bridge, according to claim 7, characterized in that the side wall of the base (1) is connected with a bolt (19) in a threaded manner, and the end of the bolt (19) is inserted into the sliding slot (16) and is rotatably connected with the sliding block (17).

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