CN219175053U - Noise reduction device for two sides of expressway - Google Patents

Abstract

The utility model relates to the technical field of noise reduction of roads and bridges, and discloses a noise reduction device for two sides of an expressway, which comprises a base fixedly arranged on two sides of the road, wherein a sound insulation baffle is fixedly arranged at the top end of the base, sound absorbing cotton is filled in the sound insulation baffle, a shell frame is fixedly arranged on one side of the back surface of the sound insulation baffle, a limit bearing is fixedly arranged at the top of the shell frame, a transmission part is arranged at the top of the shell frame, and a friction noise reduction part is arranged in the shell frame; along with the air current drives the wind barrier and rotates, the rethread bull stick drives first bevel gear and rotates, can drive the pivot through the second bevel gear and rotate, so can drive the slider limit through the crank plate and rotate the edge and slide along the back type frame inner wall, and then can promote back type frame and slide back and forth, so can drive fretwork slide back and forth, thereby can carry out friction acting consumption to the noise that passes the fretwork slide, play the amortization effect, improve noise reduction effect again.

Description

Noise reduction device for two sides of expressway

Technical Field

The utility model relates to the technical field of road and bridge noise reduction, in particular to a noise reduction device for two sides of an expressway.

Background

Road and bridge play the effect of making things convenient for vehicle traffic, cargo transportation as public building, and the highway makes things convenient for the vehicle to pass fast more, and because the vehicle is high-speed traveling on the highway, so the noise ratio that produces is great, can influence the daily work and rest of road both sides resident people.

The road and bridge noise reduction device comprises a mounting plate, two mounting holes are formed in one side of the mounting plate, a guardrail is fixedly connected to one side of the mounting plate, a connecting block is fixedly connected to one side of the mounting plate, a connecting groove is formed in one side of the connecting block, a sound insulation plate is fixedly connected to the inside of the connecting groove, and one side of the sound insulation plate is arc-shaped. The utility model has the advantages that: one side of the mounting plate is provided with a guardrail, the guardrail is provided with a first side plate and a second side plate which are fixed through screws and nuts, the first side plate and the second side plate are fixed through the first connecting plate and the second connecting plate, one side of the second connecting plate is provided with a damper and a spring, the buffer plate is buffered through the damper and the spring, the buffer plate is used for buffering and protecting the device, the damage of the device caused by the collision is avoided, the service life of the device is longer, and resources are saved.

In carrying out the present application, the inventors have found that at least the following problems exist in this technology: the device just separates the noise that the vehicle high-speed passed through simply through setting up the acoustic celotex board, and noise sound wave can follow acoustic celotex board side diffusion, does not possess the amortization effect, still can cause the influence to nearby resident, consequently, can do further improvement.

Disclosure of Invention

In order to solve the problems, the utility model provides the following technical scheme: the utility model provides a device of making an uproar falls in highway both sides, includes the base of fixed mounting in the road both sides, the top fixed mounting of base has sound insulation baffle, sound insulation baffle's inside is filled with inhales the sound cotton, the back one side fixed mounting of sound insulation baffle has the shell frame, the top fixed mounting of shell frame has spacing bearing, the top of shell frame is provided with transmission part, the inside of shell frame is provided with friction amortization part.

As optimization, the transmission part comprises a rotating rod which is rotationally connected inside a limiting bearing, a vertical frame is fixedly arranged at the top end of the rotating rod, an air isolation plate is fixedly arranged at the outer side of the vertical frame, and a first bevel gear is fixedly arranged at the bottom end of the rotating rod.

As optimization, the bottom of bull stick is run through into in the shell frame, the air barrier is spiral leaf form, more conveniently is blown by the wind through the spiral leaf form design of air barrier, and then can drive the bull stick and rotate.

As the optimization, friction amortization part is including rotating the pivot of connecting at shell frame inner wall and the slide rail of fixed mounting in shell frame inside, the outside fixed mounting of pivot has the second bevel gear, the other end fixed mounting of pivot has the crank board, the inside sliding connection of slide rail has the fretwork slide, the back one side fixed mounting of fretwork slide has the dead lever, the other end fixed mounting of dead lever has the square frame, the inside sliding connection of square frame has the slider.

As optimization, the second bevel gear is connected with the first bevel gear in a meshed mode, the first bevel gear is driven to rotate through the rotating rod, and then the rotating shaft is driven to rotate through the second bevel gear, so that the crank plate is driven to rotate by taking the rotating shaft as a fulcrum.

As optimization, the inner walls of the two sides of the sliding rail are rotationally connected with balls, the balls roll to be abutted to the two sides of the hollowed-out sliding plate, and the friction force of the hollowed-out sliding plate sliding inside the sliding rail is reduced through rolling of the balls.

As optimization, the other end of the crank plate is rotationally connected with a rotating column, the other end of the rotating column is rotationally connected to one side of the front face of the sliding block, and the sliding block can be driven to rotate along the inner wall of the mold returning frame to slide along the inner wall of the mold returning frame through rotation of the crank plate, so that the mold returning frame can be pushed to slide back and forth, and the hollow sliding plate can be driven to slide back and forth along the inside of the sliding rail.

The beneficial effects of the utility model are as follows:

this highway both sides noise reduction device carries out preliminary separation through sound-proof baffle to the noise, the rethread inhales the sound cotton and absorbs the noise, further carry out noise reduction and handle, simultaneously drive the wind-proof plate with the air current and rotate, rethread bull stick drives first bevel gear and rotates, can drive the pivot through the second bevel gear and rotate, so can drive the slider through the crank plate and rotate along the interior wall of the square frame of the circle and slide, and then can promote square frame and slide back and forth, so can drive fretwork slide and slide back and forth, thereby can carry out friction acting consumption to the noise that passes the fretwork slide, play the amortization effect, improve noise reduction effect once more.

Drawings

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

FIG. 2 is a schematic diagram of the structure of the transmission component of the present utility model;

FIG. 3 is a schematic side view of the structure of the friction silencing element of the present utility model;

FIG. 4 is a schematic view of the back of the structure of the friction silencing element of the present utility model.

In the figure: 1. a base; 2. a sound insulation baffle; 3. sound absorbing cotton; 4. a housing frame; 5. a limit bearing; 6. a transmission member; 61. a rotating rod; 62. a vertical frame; 63. a wind shielding plate; 64. a first bevel gear; 7. a friction silencing member; 71. a rotating shaft; 72. a slide rail; 73. a second bevel gear; 74. a crank plate; 75. hollow sliding plates; 76. a fixed rod; 77. a mold frame; 78. a sliding block.

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, a noise reduction device for two sides of an expressway comprises a base 1 fixedly installed on two sides of the expressway, a sound insulation baffle 2 is fixedly installed at the top end of the base 1, sound absorbing cotton 3 is filled in the sound insulation baffle 2, a shell frame 4 is fixedly installed on one side of the back surface of the sound insulation baffle 2, a limit bearing 5 is fixedly installed at the top of the shell frame 4, a transmission part 6 is arranged at the top of the shell frame 4, and a friction noise reduction part 7 is arranged in the shell frame 4.

Referring to fig. 2, the transmission part 6 includes a rotating rod 61 rotatably connected to the inside of the limit bearing 5, the bottom end of the rotating rod 61 penetrates into the housing frame 4, a vertical frame 62 is fixedly mounted at the top end of the rotating rod 61, a wind shielding plate 63 is fixedly mounted at the outer side of the vertical frame 62, the wind shielding plate 63 is in a spiral blade shape, the wind is blown more conveniently through the spiral blade shape design of the wind shielding plate 63, the rotating rod 61 is driven to rotate, and a first bevel gear 64 is fixedly mounted at the bottom end of the rotating rod 61.

Referring to fig. 3 to 4, the friction silencing member 7 includes a rotating shaft 71 rotatably connected to an inner wall of the housing frame 4 and a sliding rail 72 fixedly installed inside the housing frame 4, a second bevel gear 73 is fixedly installed at an outer side of the rotating shaft 71, the second bevel gear 73 is engaged with the first bevel gear 64 and connected, a crank plate 74 is fixedly installed at the other end of the rotating shaft 71, the first bevel gear 64 is driven to rotate by the rotating rod 61, and the rotating shaft 71 is driven to rotate by the second bevel gear 73, so that the crank plate 74 is driven to rotate by taking the rotating shaft 71 as a fulcrum;

referring to fig. 3-4, the hollow slide plate 75 is slidingly connected inside the slide rail 72, the inner walls of the two sides of the slide rail 72 are rotationally connected with balls, the balls roll to abut against the two sides of the hollow slide plate 75, and the friction force of the hollow slide plate 75 sliding inside the slide rail 72 is reduced through the rolling of the balls; the back side of fretwork slide 75 is fixed mounting has dead lever 76, the other end fixed mounting of dead lever 76 has back frame 77, back frame 77's inside sliding connection has slider 78, the other end rotation of crank plate 74 is connected with the column, the other end rotation of column is connected in slider 78's front one side, rotate through crank plate 74 and then can drive slider 78 and rotate the border and slide along back frame 77 inner wall, so can promote back and forth sliding of back frame 77, and then can drive fretwork slide 75 and slide back and forth along slide rail 72 is inside, thereby can carry out friction work consumption to the noise that passes fretwork slide 75, play the amortization effect, improve the noise reduction effect.

When in use, referring to fig. 1-4, noise is primarily blocked by the sound insulation baffle plate 2, then the noise is absorbed by the sound absorbing cotton 3, noise is further reduced, then the sound insulation plate 63 is driven to rotate along with air flow, so that the first bevel gear 64 is driven to rotate by the rotating rod 61, and then the rotating shaft 71 is driven to rotate by the second bevel gear 73, so that the crank plate 74 is driven to rotate by taking the rotating shaft 71 as an axis, meanwhile, the sliding block 78 is driven to rotate and slide along the inner wall of the return frame 77, the return frame 77 is driven to slide back and forth, the hollowed-out sliding plate 75 is driven to slide back and forth along the inside of the sliding rail 72, friction work consumption is carried out on the noise passing through the hollowed-out sliding plate 75, the noise reduction effect is played, and the noise reduction effect is improved again.

To sum up, this highway both sides noise reduction device carries out preliminary separation through sound insulation baffle 2 to the noise, the rethread inhales the cotton 3 of sound and absorbs the noise, further carry out noise reduction and handle, simultaneously along with the air current drives the rotation of wind isolation board 63, rethread bull stick 61 drives first bevel gear 64 and rotates, can drive the pivot 71 through the second bevel gear 73 and rotate, so can drive slider 78 limit rotation edge and follow the sliding of back-type frame 77 inner wall through crank plate 74, and then can promote back-and-forth slip of back-type frame 77, so can drive fretwork slide 75 and make a round trip to slide, thereby can carry out friction acting consumption to the noise that passes fretwork slide 75, play the amortization effect, improve noise reduction effect once more.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Standard parts used by the utility model can be purchased from the market, and special-shaped parts can be customized according to the description of the specification and the drawings.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims (7)

1. The utility model provides a device of making an uproar falls in expressway both sides, includes base (1) of fixed mounting in the road both sides, its characterized in that: the novel sound insulation base is characterized in that a sound insulation baffle (2) is fixedly arranged at the top end of the base (1), sound absorption cotton (3) is filled in the sound insulation baffle (2), a shell frame (4) is fixedly arranged on one side of the back surface of the sound insulation baffle (2), a limit bearing (5) is fixedly arranged at the top of the shell frame (4), a transmission part (6) is arranged at the top of the shell frame (4), and a friction silencing part (7) is arranged in the shell frame (4).

2. The highway two-sided noise reduction device according to claim 1, wherein: the transmission part (6) comprises a rotating rod (61) which is rotatably connected inside the limiting bearing (5), a vertical frame (62) is fixedly arranged at the top end of the rotating rod (61), a wind isolation plate (63) is fixedly arranged on the outer side of the vertical frame (62), and a first bevel gear (64) is fixedly arranged at the bottom end of the rotating rod (61).

3. The highway two-sided noise reduction device according to claim 2, wherein: the bottom end of the rotating rod (61) penetrates into the shell frame (4), and the air baffle plate (63) is in a spiral blade shape.

4. The highway two-sided noise reduction device according to claim 1, wherein: the friction silencing component (7) comprises a rotating shaft (71) which is rotatably connected to the inner wall of the shell frame (4) and a sliding rail (72) which is fixedly arranged inside the shell frame (4), a second bevel gear (73) is fixedly arranged on the outer side of the rotating shaft (71), a crank plate (74) is fixedly arranged at the other end of the rotating shaft (71), a hollowed-out sliding plate (75) is fixedly connected to the sliding rail (72) in a sliding manner, a fixing rod (76) is fixedly arranged on one side of the back of the hollowed-out sliding plate (75), a return frame (77) is fixedly arranged at the other end of the fixing rod (76), and a sliding block (78) is fixedly connected to the inner sliding of the return frame (77).

5. The highway two-sided noise reducer of claim 4, wherein: the second bevel gear (73) is in meshed connection with the first bevel gear (64).

6. The highway two-sided noise reducer of claim 4, wherein: the inner walls of the two sides of the sliding rail (72) are rotationally connected with balls, and the balls are in rolling butt joint with the two sides of the hollowed-out sliding plate (75).

7. The highway two-sided noise reducer of claim 4, wherein: the other end of the crank plate (74) is rotatably connected with a rotating column, and the other end of the rotating column is rotatably connected to one side of the front face of the sliding block (78).

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