CN212103801U

CN212103801U - Road safety guardrail

Info

Publication number: CN212103801U
Application number: CN202020652542.8U
Authority: CN
Inventors: 曹红亮; 冯大帅; 李伟; 袁冬
Original assignee: Henan Lanting Environmental Protection Equipment Co ltd
Current assignee: Henan Lanting Environmental Protection Equipment Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-12-08
Anticipated expiration: 2030-04-26

Abstract

The utility model relates to a road safety guardrail, which comprises a column and a groove plate; the number of the upright columns is at least two, and the lower ends of the upright columns are fixed with the ground; the groove plates comprise a first groove plate fixed with the lower end of the upright post and a second groove plate fixed with the upper end of the upright post; two groups of mutually parallel shutters are arranged between the first slot plate and the second slot plate, the lower end of each shutter is fixed with the first slot plate, and the upper end of each shutter is fixed with the second slot plate; a silencing layer is arranged between the two groups of shutters and consists of a plurality of silencing monomers in a stacked mode; the noise reduction single body is made of noise reduction materials and comprises a base part and split parts symmetrically arranged on two sides of the base part; and a side sealing plate is arranged between the upright post and the shutter, the lower end of the side sealing plate is fixed with the first groove plate, and the upper end of the side sealing plate is fixed with the second groove plate. The utility model discloses can reduce the noise on the road effectively, play fine effect to administering urban noise pollution, also will be favorable to the utility model discloses a popularization and application.

Description

Road safety guardrail

Technical Field

The utility model relates to a road safety facility technical field, concretely relates to road safety barrier.

Background

Along with the improvement of living standard of people, the automobile becomes a more popular vehicle, and brings great convenience to the traveling of people. However, due to the rapid increase in the number of motor vehicles, traffic noise is a major source of noise in cities, which interferes with people's life and work. The traffic noise includes whistling, running sound of an engine, noise generated by friction between an automobile tire and the ground, and the like, wherein the noise generated by the friction between the automobile tire and the ground is a main noise source, and the noise generated by the friction between the automobile tire and the ground is larger in rainy days.

The most common guard rail is generally used in the center of the existing municipal road, only the function of isolating vehicles can be achieved, and the noise generated by the vehicles running on the road cannot be effectively absorbed. Some manufacturers have also designed and developed safety barriers with noise reduction functions, but when noise waves are transmitted to such barriers, the reflection phenomenon is severe, people can still hear quite a lot of reflected noises, and the barriers are difficult to popularize and apply due to the fact that the noise reduction effect is not obvious.

SUMMERY OF THE UTILITY MODEL

The utility model provides a road safety barrier which can effectively absorb road noise.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a road safety guardrail comprises upright posts and groove plates; the number of the upright columns is at least two, and the lower ends of the upright columns are fixed with the ground; the groove plates comprise a first groove plate fixed with the lower end of the upright post and a second groove plate fixed with the upper end of the upright post; two groups of mutually parallel shutters are arranged between the first slot plate and the second slot plate, the lower end of each shutter is fixed with the first slot plate, and the upper end of each shutter is fixed with the second slot plate; a silencing layer is arranged between the two groups of shutters and consists of a plurality of silencing monomers in a stacked mode; the noise reduction single body is made of noise reduction materials and comprises a base part and split parts symmetrically arranged on two sides of the base part; and a side sealing plate is arranged between the upright post and the shutter, the lower end of the side sealing plate is fixed with the first groove plate, and the upper end of the side sealing plate is fixed with the second groove plate.

Furthermore, one side of the groove plate is provided with two parallel clamping grooves; the shutter comprises a frame and a plurality of blades arranged in the frame, and the frame is clamped in the clamping groove.

Furthermore, the included angle between the blade plate and the horizontal plane is more than 20 degrees and less than 45 degrees; the thickness of the lower end of each leaf 32 is no greater than 1 mm.

Furthermore, a dustproof layer made of porous materials is arranged between the silencing monomer and the louver.

Furthermore, a plurality of penetrating strips are arranged between the two groups of shutters, the lower ends of the penetrating strips are connected with the first groove plate, and the upper ends of the penetrating strips are connected with the second groove plate; the base of the silencing monomer is provided with a plurality of through holes penetrating through the upper end face and the lower end face of the base, and the through holes are arranged at equal intervals along the length direction of the silencing monomer; the penetrating strip is inserted into the through hole.

Furthermore, the sound attenuation material is one of glass wool, rock wool, slag wool, synthetic resin fiber and cotton polyurethane sound absorption foam plastic.

The beneficial effects of the utility model reside in that, the noise sound wave that the vehicle that goes on the road and the road surface friction produced gets into the guardrail through the leaf plate reflection after inciding the guardrail inside, only a few some sound waves can reflect the guardrail outside, and the sound wave passes the dustproof layer and gets into the guardrail and completely absorb after inside, pedestrian on the road or driver can hardly hear the produced noise of oncoming traffic, the noise that the guardrail reflection that automobile driver heard simultaneously was come also will reduce in a large number, the noise volume that pedestrian on the road or driver heard will reduce nearly half, consequently compare with prior art the utility model discloses can reduce the noise on the road effectively, play fine effect to administering urban noise pollution, also will be favorable to the utility model discloses a popularization and application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is an enlarged partial view of FIG. 3;

FIG. 5 is an enlarged partial view taken at I of FIG. 3;

FIG. 6 is a structural diagram of the silencing unit of the present invention;

fig. 7 is a sectional view taken along line C-C of fig. 6.

The reference numerals are explained below:

in the figure: 1. a column; 2. a first slot plate; 21. a card slot; 3. a blind window; 31. a frame; 32. a leaf plate; 4. a sound-deadening layer; 41. a noise reduction monomer; 411. a base; 412. a splitting part; 413. perforating; 5. a dust-proof layer; 6. a second slot plate; 7. a side sealing plate; 8. and (6) threading the strips.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-7, the utility model provides a road safety barrier, which comprises a column 1 and a groove plate; the number of the upright posts 1 is at least two, and the lower ends of the upright posts 1 are fixed with the ground; the groove plates comprise a first groove plate 2 fixed with the lower end of the upright post 1 and a second groove plate 6 fixed with the upper end of the upright post 1, and the groove plates and the upright post 1 can be connected and fixed by bolts; two groups of mutually parallel shutters 3 are arranged between the first trough plate 2 and the second trough plate 6, the lower ends of the shutters 3 are fixed with the first trough plate 2, and the upper ends of the shutters 3 are fixed with the second trough plate 6; a silencing layer 4 is arranged between the two groups of shutters 3, and the silencing layer 4 is formed by stacking a plurality of silencing single bodies 41; the silencing unit 41 is made of silencing material, the silencing unit 41 comprises a base 411 and split parts 412 symmetrically arranged on two sides of the base 411, and the base 411 and the split parts 412 are integrally formed; a side sealing plate 7 is arranged between the upright post 1 and the shutter 3, the lower end of the side sealing plate 7 is fixed with the first groove plate 2, and the upper end of the side sealing plate 7 is fixed with the second groove plate 6; referring to fig. 1, the side sealing plates 7 are hermetically connected to the left and right side frames 31 of the louver 3, and the side sealing plates 7 are used for preventing sundries or rainwater from entering the interior of the guardrail.

In the utility model, one side of the groove plate is provided with two mutually parallel clamping grooves 21; the louver 3 comprises a frame 31 and a plurality of blades 32 arranged in the frame 31, and the frame 31 is clamped in the clamping groove 21. When raining, the blades 32 on the shutter 3 can prevent rainwater from entering the guardrail, and prevent the silencing layer 4 in the guardrail from being wetted by the rainwater; the louvers 32 also allow the tire noise that has propagated to the guardrail to be acoustically reflected into the interior of the guardrail with subsequent absorption of the noise by the sound attenuating layer 4 on the interior of the guardrail. In order to prevent the noise sound wave propagated to the guard rail from being reflected toward the outside of the guard rail, and ensure that the noise propagated to the guard rail can be reflected into the inside of the guard rail as much as possible, the angle (angle a in fig. 5) between the louver 32 and the horizontal plane is less than 45 degrees, and the thickness (b shown in fig. 5) of the lower end of each louver 32 is not more than 1 mm; also, in order to prevent rainwater from flowing into the interior of the guard rail, the included angle (angle a in fig. 5) between the louver 32 and the horizontal plane should be more than 20 degrees.

The utility model discloses in, be provided with between amortization monomer 41 and the shutter 3 and adopt porous material's dust layer 5, dust layer 5 can be window screening or thickness is 1 ~ 2 mm's coarse pore sponge. The dust-proof layer 5 can prevent sundries from entering the guardrail, and prevent the sundries from being attached to the surface of the silencing single body 41, thereby prolonging the service life of the silencing single body 41.

In the utility model, a plurality of penetrating strips 8 are arranged between the two groups of shutters 3, and the penetrating strips 8 can be made of stainless steel; the lower end of the penetrating strip 8 is connected with the first groove plate 2, and the upper end of the penetrating strip 8 is connected with the second groove plate 6; the base 411 of the silencing unit 41 is provided with a plurality of through holes 413 which penetrate through the upper end surface and the lower end surface of the base 411, and the through holes 413 are arranged at equal intervals along the length direction of the silencing unit 41; both the perforation 413 and the piercing strip 8 may be elongated as shown in fig. 6, and the piercing strip 8 is inserted into the perforation 413. The provision of the strip can facilitate the installation of the sound-deadening monomer 41 while ensuring the neatness of the sound-deadening monomer 41 after stacking.

The utility model discloses in, noise cancelling material can be any one of glass wool, rock wool, slag wool, synthetic resin fibre, cotton polyurethane sound absorption foam.

The utility model can replace the traditional safety guardrail in the middle of urban roads, and is arranged in the double yellow lines of the roads, the noise sound wave generated by the friction between the vehicles running on the roads and the road surface is incident on the guardrail and then is reflected into the guardrail through the blade plates 32, only a small part of the sound wave can be reflected to the outer side of the guardrail, the sound waves passing through the dust-proof layer 5 and entering the interior of the guardrail can be completely absorbed by the sound-deadening layer 4, pedestrians or drivers on the road can hardly hear the noise generated by oncoming traffic, meanwhile, the noise reflected by the guardrail heard by the automobile driver is greatly reduced, and the noise heard by pedestrians or drivers on the road is reduced by nearly half, so compared with the prior art, the utility model can effectively reduce the noise on the road, play fine effect to administering urban noise pollution, also will be favorable to the utility model discloses a popularization and application.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A road safety guardrail is characterized by comprising upright posts and a groove plate; the number of the upright columns is at least two, and the lower ends of the upright columns are fixed with the ground; the groove plates comprise a first groove plate fixed with the lower end of the upright post and a second groove plate fixed with the upper end of the upright post; two groups of mutually parallel shutters are arranged between the first slot plate and the second slot plate, the lower end of each shutter is fixed with the first slot plate, and the upper end of each shutter is fixed with the second slot plate; a silencing layer is arranged between the two groups of shutters and consists of a plurality of silencing monomers in a stacked mode; the noise reduction single body is made of noise reduction materials and comprises a base part and split parts symmetrically arranged on two sides of the base part; and a side sealing plate is arranged between the upright post and the shutter, the lower end of the side sealing plate is fixed with the first groove plate, and the upper end of the side sealing plate is fixed with the second groove plate.

2. A road safety barrier according to claim 1, wherein: one side of the groove plate is provided with two parallel clamping grooves; the shutter comprises a frame and a plurality of blades arranged in the frame, and the frame is clamped in the clamping groove.

3. A road safety barrier according to claim 2, wherein: the included angle between the blade plate and the horizontal plane is more than 20 degrees and less than 45 degrees; the thickness of the lower end of each leaf 32 is no greater than 1 mm.

4. A road safety barrier according to any one of claims 1 to 3, wherein: and a dustproof layer made of porous materials is arranged between the silencing monomer and the shutter.

5. A road safety barrier according to claim 4, wherein: a plurality of penetrating strips are arranged between the two groups of shutters, the lower ends of the penetrating strips are connected with the first groove plate, and the upper ends of the penetrating strips are connected with the second groove plate; the base of the silencing monomer is provided with a plurality of through holes penetrating through the upper end face and the lower end face of the base, and the through holes are arranged at equal intervals along the length direction of the silencing monomer; the penetrating strip is inserted into the through hole.

6. A road safety barrier according to claim 5, wherein: the sound attenuation material is one of glass wool, rock wool, slag wool, synthetic resin fiber and cotton polyurethane sound absorption foam plastic.