CN211368455U

CN211368455U - Noise reduction device for roads and bridges

Info

Publication number: CN211368455U
Application number: CN201921708464.2U
Authority: CN
Inventors: 董向军; 崔佳佳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-13
Filing date: 2019-10-13
Publication date: 2020-08-28
Anticipated expiration: 2029-10-13

Abstract

The utility model belongs to the technical field of the road noise reduction device, especially, a road and bridge noise reduction device, which comprises a fixed plate and is characterized in that a connecting plate is welded at the middle position of the top of the fixed plate, a connecting groove is arranged at the middle position of the connecting plate, connecting columns are fixedly installed at the middle positions of the two sides of the inner wall of the connecting groove, a positioning block is welded at one end of each two connecting columns which are close to each other, a limiting groove is arranged on the positioning block, a first spring is arranged in the limiting groove, two ends of the first spring are connected with sliding plates, the side surfaces of the two sliding plates are provided with pressure-resisting rods, one end of each pressure-resisting rod; realized carrying out dual shock attenuation to the acoustic celotex board, the shock attenuation is effectual, avoids the acoustic celotex board when using, collides with the guardrail and causes the damage, the effectual life who improves the acoustic celotex board reduces use cost, and the practicality is strong.

Description

Noise reduction device for roads and bridges

Technical Field

The utility model relates to a sound technical field is fallen to the road, especially relates to a noise device falls in road and bridge.

Background

The road is an infrastructure for various trackless vehicles and pedestrians to pass through in terms of word meaning; the road is divided into a road, an urban road, a rural road, an industrial road, a forestry road, an examination road, a competition road, an automobile test road, a workshop passage, a school road and the like according to the use characteristics of the road.

Noise often spreads around people, especially the noise of road or bridge, resident and the pedestrian that can seriously disturb and close on, make the people feel uncomfortable, still bring the injury for people's health, current noise reducing device, most directly install acoustic celotex board and guardrail, when taking place the violent oscillation, bump easily between acoustic celotex board and the guardrail, lead to the damage of acoustic celotex board, seriously influence the life of acoustic celotex board, certain limitation exists during the use.

In order to solve the above problems, the present application provides a noise reduction device for roads and bridges.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a noise device falls with bridge on road has and avoids the acoustic celotex board when using, collides with the guardrail and causes the damage, the effectual life who improves the acoustic celotex board reduces use cost, characteristics that the practicality is strong.

(II) technical scheme

In order to solve the problems, the utility model provides a noise reduction device for roads and bridges, which comprises a fixed plate, a connecting plate is welded at the middle position of the top of the fixed plate, a connecting groove is arranged at the middle position of the connecting plate, connecting columns are fixedly arranged at the middle positions of the two sides of the inner wall of the connecting groove, positioning blocks are welded at the ends, close to each other, of the two connecting columns, the positioning block is provided with a limiting groove, a first spring is arranged in the limiting groove, both ends of the first spring are connected with sliding plates, the side surfaces of the two sliding plates are provided with pressing rods, the one end fixedly connected with block rubber of the depression bar supports, and the acoustic celotex board is installed through locking bolt in the side of two block rubbers, two one side bottom that the block rubber is close to each other all articulates there is the movable rod, and the inside of spread groove is provided with the moving mechanism, and the moving mechanism is connected with the movable rod respectively.

Preferably, the movable mechanism comprises a T-shaped sliding rod, a second spring, a movable plate, an installation rod and a transverse plate, the T-shaped sliding rod is installed on two sides of the inner wall of the connecting groove in a matched mode, the movable plate is connected to the outer wall of the T-shaped sliding rod in a sliding mode, the second springs are welded to two sides of the movable plate, and the second springs are circumferentially sleeved on the outer portion of the T-shaped sliding rod.

Preferably, the both ends of fly leaf all articulate there is the installation pole, and the top of two installation poles articulates there is the diaphragm, and two movable rods all articulate mutually with the side of diaphragm.

Preferably, the side of fixed plate is equipped with the opening, and the one end run through the opening of block rubber extends to the outside of fixed plate, and two block rubbers symmetry respectively set up the both sides at the locating piece.

Preferably, the side walls of the two sliding plates are slidably mounted with the inner wall of the limiting groove, through holes are formed in the two sides of the positioning block, and one end of the abutting rod extends out of the through holes.

Preferably, the sound insulation panel is mainly composed of a sound insulation layer, a sound absorption layer, and a sound deadening layer.

The above technical scheme of the utility model has following profitable technological effect:

1. the double-damping sound insulation board is provided with the rubber block, the sliding plate, the pressing rod, the first spring, the transverse plate, the T-shaped sliding rod and the second spring, so that double damping is realized, the damping effect is good, the sound insulation board is prevented from being damaged due to collision with a guardrail when in use, the service life of the sound insulation board is effectively prolonged, the use cost is reduced, and the practicability is high;

2. through being provided with fixed plate and connecting plate, not only make things convenient for two liang of connections of acoustic celotex board, the acoustic celotex board of still being convenient for and the installation of bridge are through being provided with the acoustic celotex board simultaneously for sound is absorbed by the acoustic celotex board, thereby reaches the purpose of making an uproar of falling, avoids the noise to cause the influence to crowd around.

Drawings

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic structural view of the fixing plate and the connecting plate of the present invention;

FIG. 3 is an enlarged view of the point A of the present invention;

fig. 4 is a schematic view of the acoustic panel according to the present invention.

Reference numerals:

1. a fixing plate; 2. a connecting plate; 3. connecting grooves; 4. connecting columns; 5. a sound insulating board; 6. positioning blocks; 7. a first spring; 8. a sliding plate; 9. a pressing rod; 10. a rubber block; 11. a transverse plate; 12. a second spring; 13. a movable plate; 14. a T-shaped slide bar; 15. a movable rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in FIGS. 1-4, the utility model provides a noise reduction device for roads and bridges, which comprises a fixed plate 1, wherein a connecting plate 2 is welded at the middle position of the top of the fixed plate 1, a connecting groove 3 is arranged at the middle position of the connecting plate 2, connecting columns 4 are fixedly arranged at the middle positions of the two sides of the inner wall of the connecting groove 3, a positioning block 6 is welded at the end of the two connecting columns 4 close to each other, a limiting groove is arranged on the positioning block 6, a first spring 7 is arranged in the limiting groove, sliding plates 8 are connected to the two ends of the first spring 7, a pressure bar 9 is arranged on the side surfaces of the two sliding plates 8, a rubber block 10 is fixedly connected to one end of the pressure bar 9, a sound insulation plate 5 is arranged on the side surfaces of the two rubber blocks 10 through locking bolts, a movable rod 15 is hinged to the bottom of one side surface, and the movable mechanisms are respectively connected with the movable rods 15.

As shown in fig. 1 and 2, the movable mechanism includes a T-shaped sliding rod 14, a second spring 12, a movable plate 13, a mounting rod and a transverse plate 11, the T-shaped sliding rod 14 is mounted on both sides of the inner wall of the connecting groove 3 in a matching manner, the movable plate 13 is connected to the outer wall of the T-shaped sliding rod 14 in a sliding manner, the second spring 12 is welded on both sides of the movable plate 13, and the second spring 12 is circumferentially sleeved outside the T-shaped sliding rod 14.

It should be noted that, a mounting hole is formed on the movable plate 13, the outer wall of the T-shaped sliding rod 14 is slidably disposed in the mounting hole, and the movable plate 13 slides left and right on the T-shaped sliding rod 14 and presses the second spring 12.

As shown in fig. 1 and 2, the two ends of the movable plate 13 are hinged with mounting rods, the tops of the two mounting rods are hinged with a transverse plate 11, and the two movable rods 15 are hinged with the side surface of the transverse plate 11.

It should be noted that when the horizontal plate 11 moves up and down, the two mounting rods are driven to move, so that the mounting rods drive the movable plate 13 to move left and right.

As shown in fig. 1 and 3, an opening is formed in a side surface of the fixed plate 1, one end of each rubber block 10 penetrates through the opening and extends to the outside of the fixed plate 1, the two rubber blocks 10 are symmetrically arranged on two sides of the positioning block 6 respectively, the side walls of the two sliding plates 8 are slidably mounted on the inner wall of the limiting groove, through holes are formed in two sides of the positioning block 6, and one end of the pressing rod 9 extends out of the through holes.

It should be noted that when the two rubber blocks 10 approach each other, the sliding plate 8 and the pressing rod 9 are driven to extrude the first spring 7, and the moving rod 15 is driven to extrude the transverse plate 11 while the rubber blocks 10 move, so that the two transverse plates 11 approach each other and extrude the mounting rod.

As shown in fig. 4, the sound insulating panel 5 is mainly composed of a sound insulating layer 5a, a sound absorbing layer 5b, and a sound deadening layer 5 c.

The sound insulation layer 5a is made of a nano multilayer structure material, the sound absorption layer 5b is provided with sound absorption bubbles inside, the sound absorption bubbles are of a porous structure, and the sound absorption layer 5c is made of sound absorption cotton.

The working principle is as follows: when in use, the fixed plate 1 is installed on a road or a bridge, the soundproof plate 5 is mainly composed of a soundproof layer 5a, a sound absorption layer 5b and a sound absorption layer 5c, the soundproof layer 5a is mainly made of a nano multilayer structure material, sound is absorbed by the material, and the purpose of noise reduction is achieved, meanwhile, when the soundproof plate 5 is vibrated, the rubber blocks 10 are extruded, when the two rubber blocks 10 are close to each other, the sliding plate 8 and the pressing rod 9 are driven to extrude the first spring 7, the movable rod 15 is driven to extrude the transverse plates 11 while the rubber blocks 10 move, so that the two transverse plates 11 are close to each other, the installation rod is extruded, the movable plate 13 is driven to slide left and right, the second spring 12 is extruded, the soundproof plate 5 is damped, the damage caused by collision of the soundproof plate with a guardrail when in use is avoided, and the service life of the soundproof plate is effectively prolonged, the use cost is reduced, and the method is suitable for popularization.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A noise reduction device for roads and bridges comprises a fixed plate (1) and is characterized in that a connecting plate (2) is welded at the middle position of the top of the fixed plate (1), a connecting groove (3) is arranged at the middle position of the connecting plate (2), connecting columns (4) are fixedly installed at the middle positions of two sides of the inner wall of the connecting groove (3), a positioning block (6) is welded at one end, close to each other, of each connecting column (4), a limiting groove is formed in each positioning block (6), a first spring (7) is arranged in each limiting groove, sliding plates (8) are connected to two ends of each first spring (7), compression rods (9) are arranged on the side faces of each sliding plate (8), rubber blocks (10) are fixedly connected to one end of each compression rod (9), sound insulation plates (5) are installed on the side faces of the two rubber blocks (10) through locking bolts, and movable rods (15) are hinged to the bottoms of the side, the inside of the connecting groove (3) is provided with a movable mechanism which is respectively connected with a movable rod (15).

2. The noise reduction device for roads and bridges of claim 1, wherein the movable mechanism comprises a T-shaped sliding rod (14), a second spring (12), a movable plate (13), a mounting rod and a transverse plate (11), the T-shaped sliding rod (14) is installed on both sides of the inner wall of the connecting groove (3) in a matching manner, the movable plate (13) is connected to the outer wall of the T-shaped sliding rod (14) in a sliding manner, the second spring (12) is welded on both sides of the movable plate (13), and the second spring (12) is circumferentially sleeved outside the T-shaped sliding rod (14).

3. The noise reduction device for roads and bridges of claim 2, wherein the two ends of the movable plate (13) are hinged with mounting rods, the tops of the two mounting rods are hinged with a transverse plate (11), and the two movable rods (15) are hinged with the side surface of the transverse plate (11).

4. The noise reduction device for roads and bridges according to claim 1, wherein the side surface of the fixing plate (1) is provided with an opening, one end of the rubber block (10) extends to the outside of the fixing plate (1) through the opening, and the two rubber blocks (10) are symmetrically arranged on two sides of the positioning block (6).

5. The noise reduction device for roads and bridges of claim 1, wherein the side walls of the two sliding plates (8) are slidably mounted with the inner wall of the limiting groove, the two sides of the positioning block (6) are provided with through holes, and one end of the pressing rod (9) extends out of the through holes.

6. A road and bridge noise reducing device according to claim 1, characterized in that the acoustic panel (5) is mainly composed of an acoustic insulating layer (5a), a sound absorbing layer (5b) and a sound deadening layer (5 c).