CN211646054U - Sound barrier for traffic road - Google Patents

Abstract

The utility model relates to the field of noise reduction equipment for traffic roads, and specifically discloses a sound barrier for traffic roads, which comprises two channel steel columns, an upper sound insulation board unit, a lower sound insulation board unit, a transparent plate and a frame. The slots are arranged opposite to each other in the vertical direction, the left and right ends of the upper sound insulation board unit, the lower sound insulation board unit and the frame are embedded in the slots of the adjacent channel steel columns, and the frame includes two side frames; The front side is in contact with the side wall of the channel steel column, and a plurality of compression springs are arranged between the rear side of each side frame and the other side wall of the channel steel column; A fine-tuning mechanism for the tightness between the compression springs. By adjusting the fine-tuning mechanism, the multiple compression springs between the push plate and the side wall of the channel column can maintain a good degree of tightness, so as to prevent the compression springs between the transparent plate frame and the inner wall of the channel column from loosening.

Description

A kind of sound barrier for traffic road

technical field

The utility model relates to the field of noise reduction equipment for traffic roads, in particular to a sound barrier for traffic roads.

Background technique

With the rapid development of the economy and the continuous acceleration of the urbanization process, the transportation methods such as expressways, railways, and urban rail transit have developed rapidly. When these roads are constructed, they will inevitably pass through densely populated residential areas. The work, life and study of residents near the road have brought certain disturbances. The currently widely used solution is to build a sound barrier, which has the advantages of good noise reduction performance, safe and reliable structure, low installation cost and durability.

The existing transparent sound barrier is mainly composed of three parts: steel structure column, sound absorption and sound insulation screen and transparent plate. The column is the main force-bearing component of the sound barrier. On the buried steel plate; the sound absorption and sound insulation board is the main sound insulation and sound absorption component, and the transparent board mainly plays the role of lighting, light transmission and aesthetics. They are all fixed in the H-shaped column groove by springs to form a sound barrier. The outer contour of the transparent board usually needs to be added with a frame, and then placed between the upper and lower sound-absorbing panels. The vibration on the road will be transmitted to the sound barrier, which may cause the spring between the transparent plate frame and the inner wall of the H-shaped column groove to loosen, thus affecting the stability of the sound barrier structure and the noise reduction function.

Utility model content

In view of this, the purpose of the present invention is to overcome the defects in the prior art and provide a sound barrier for traffic roads.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical solutions:

A sound barrier for traffic roads, comprising two channel steel columns, an upper sound insulation board unit, a lower sound insulation board unit, a transparent plate and a frame, the slots of the two channel steel columns are vertically oppositely arranged, and the upper sound insulation board unit The left and right ends of the board unit, the lower sound insulation board unit and the frame are all embedded in the slots of the adjacent channel steel columns, and the upper sound insulation board unit, the frame and the lower sound insulation unit are arranged in sequence from top to bottom;

The transparent plate is embedded in the inner frame of the frame, and the frame includes two side frames, each of which is placed in the slot of the channel steel column on the corresponding side; the front side of each side frame is connected to the channel steel. The side walls of the uprights abut against, and a plurality of compression springs are arranged between the rear side of each side frame and the other side wall of the channel steel upright; The fine-tuning mechanism between the tightness.

Further, each side frame is provided with a first accommodating cavity, a second accommodating cavity, a plurality of gear cavities and a plurality of sliding cavities, and the first accommodating cavity and the second accommodating cavity are both along the side frame. Extending in the height direction, the second accommodating cavity is arranged on the rear side of the side frame; each of the gear cavities is arranged in a one-to-one correspondence with each of the sliding cavities, and the plurality of gear cavities and the plurality of sliding cavities are all along the height direction of the side frame spaced apart, each gear cavity is communicated with the first accommodating cavity and the corresponding sliding cavity respectively; each sliding cavity is communicated with the second accommodating cavity;

The fine-tuning mechanism includes a rotating shaft, a plurality of gears, a plurality of sliding blocks and a push plate; a plurality of the gears are sleeved on the rotating shaft at intervals, the rotating shaft is rotatably arranged in the first accommodating cavity, and each gear is arranged in a corresponding in the gear cavity; each sliding block is slidably arranged in the corresponding sliding cavity, and each sliding block is provided with a driving rack meshing with the gear; the push plate is arranged in the second accommodating cavity, and each sliding block is It is connected with the push plate, and the side of the push plate facing away from the slider is connected with a plurality of compression springs.

Further, the top of each side frame is provided with an installation groove, and the installation groove is communicated with the first accommodating cavity; the top of the rotating shaft is provided with a cylindrical head, the cylindrical head is arranged in the installation groove, and the cylindrical head is provided with a cylinder head. Hexagon hole.

Further, the cylindrical head is provided with limiting grooves, and a plurality of the limiting grooves are evenly distributed along the circumference of the top edge of the cylindrical head; the top of the side frame is provided with a first accommodating groove and a second accommodating groove, and the first accommodating groove is provided on the top of the side frame. Two ends of an accommodating groove are respectively communicated with the mounting groove and the second accommodating groove; the size of the first accommodating groove is the same as that of each limiting groove;

A limit pin is also included, the limit pin can be conformally embedded in the first accommodating groove and the limit groove, and one end of the limit pin away from the installation groove is located in the installation groove.

Further, a bearing is arranged in the first accommodating cavity, and the rotating shaft is sleeved in the bearing.

Further, the bottom of the channel steel column is provided with feet.

Further, the transparent plate is an acrylic plate.

The beneficial effects of the utility model are as follows: the utility model discloses a sound barrier for traffic roads, fine-tuning mechanisms are arranged in the two side frames of the frame, and by rotating the rotating shaft, multiple gears on the rotating shaft simultaneously drive multiple sliders from sliding It slides out of the cavity, thereby pushing the push plate out into the second accommodating cavity, so that the multiple compression springs between the push plate and the side wall of the channel column can maintain a good degree of tightness, and avoid the transparent plate frame and the inner wall of the channel column slot. The compression spring between them is loosened, so that the transparent plate frame is firmly fixed in the two channel steel columns, which can improve the stability of the overall structure of the sound barrier, prevent the further spread of noise, and better achieve the noise reduction function.

Description of drawings

In order to illustrate the specific embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings required for the description of the specific embodiments or the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. In the drawings, each element or section is not necessarily drawn to actual scale.

Fig. 1 is the structural representation of a kind of sound barrier for traffic road of the present invention;

Fig. 2 is the schematic diagram of side frame and channel steel column;

3 is a schematic cross-sectional view of a side frame;

4 is another schematic cross-sectional view of the side frame;

Figure 5 is a top view of the top of the side frame.

Reference number:

1-channel steel column, 21-upper sound insulation board unit, 22-lower sound insulation board unit, 3-transparent board, 4-frame, 41-side frame, 411-first accommodating cavity, 412-second accommodating cavity, 413-gear Cavity, 414-Sliding cavity, 415-Slide groove, 416-Installation groove, 417-First accommodating groove, 418-Second accommodating groove, 5-Compression spring, 6-Fine adjustment mechanism, 61-Rotating shaft, 62-Gear , 63-slider, 631-drive rack, 632-protrusion, 64-push plate, 65-cylindrical head, 651-hexagon socket, 652-limit slot, 7-limit pin, 8-ground foot.

Detailed ways

The present utility model will be further described in detail below in conjunction with the embodiments.

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

1 and 2, a sound barrier for traffic roads provided by the utility model, the sound barrier includes two channel steel columns 1, an upper sound insulation board unit 21, a lower sound insulation board unit 22, a transparent plate 3 and a frame 4 , the slots of the two channel steel uprights 1 are arranged vertically opposite each other, and the left and right ends of the upper sound insulation board unit 21, the lower sound insulation board unit 22 and the frame 4 are embedded in the slots of the adjacent channel steel upright columns 1, The upper sound insulation board unit 21, the frame 4 and the lower sound insulation unit are arranged in sequence from top to bottom;

The transparent plate 3 is embedded in the inner frame of the frame 4, and the frame 4 includes two side frames 41, and each side frame 41 is placed in the slot of the channel steel column 1 on the corresponding side; the front side of each side frame 41 Abutting against the side wall of the channel steel column 1, a plurality of compression springs 5 are arranged between the rear side of each side frame 41 and the other side wall of the channel steel column 1; The fine adjustment mechanism 6 for the tightness between the frame 41 and the plurality of compression springs 5 .

The sound barrier of the present invention is mainly composed of five parts: channel steel column 1, upper sound insulation board unit 21, lower sound insulation board unit 22, transparent plate 3 and frame 4. The left and right ends of the baffle unit 22 and the frame 4 are placed in the slots of the two channel steel uprights 1 . The frame body is used to install the transparent plate 3, so that the entire sound barrier can absorb traffic noise, and also have the functions of lighting, light transmission and aesthetics. Usually, in order to facilitate installation and disassembly, there is a gap between the side of the side frame 41 away from the road and the inner wall of the slot of the channel steel column 1. In order to fix the side frame 41, the side frame 41 A plurality of compression springs 5 are arranged between them and the inner wall of the slot of the channel steel column 1 . There are two main functions of the compression spring 5. First, the two ends of the compression spring 5 abut against the side frame 41 and the inner wall of the slot of the channel steel column 1 on the opposite side, thereby fixing the side frame 41 on the channel steel column 1. The second is that when the vibration transmitted on the road will cause the frame 4 to follow the vibration and generate noise, the compression spring 5 can offset most of the vibration through deformation.

In order to prevent the compression spring 5 between the frame 4 of the transparent plate 3 and the inner wall of the slot of the channel steel column 1 from loosening, thereby affecting the stability of the overall structure of the sound barrier, a fine-tuning mechanism 6 is provided in the frame 41 on both sides of the frame 4. Adjust the fine-tuning mechanism 6 to keep the multiple compression springs 5 between the push plate 64 and the side wall of the channel column 1 to maintain a good degree of tightness, so as to avoid the occurrence of compression springs 5 between the frame 4 of the transparent plate 3 and the inner wall of the channel column 1 slot. Loosening, so that the frame 4 of the transparent plate 3 is firmly fixed in the two channel steel columns 1, which can improve the stability of the overall structure of the sound barrier, prevent the further spread of noise, and better achieve the noise reduction function.

Specifically, each side frame 41 is provided with a first accommodating cavity 411 , a second accommodating cavity 412 , a plurality of gear cavities 413 and a plurality of sliding cavities 414 , the first accommodating cavity 411 and the second accommodating cavity 412 are both along the side frame 41 extends in the height direction, and the second accommodating cavity 412 is arranged on the rear side of the side frame 41; each gear cavity 413 is arranged in a one-to-one correspondence with each sliding cavity 414, and the plurality of gear cavities 413 and the plurality of sliding cavities 414 are all along the side. The frame 41 is spaced in the height direction, and each gear cavity 413 communicates with the first accommodating cavity 411 and the corresponding sliding cavity 414 respectively; each sliding cavity 414 communicates with the second accommodating cavity 412;

The fine-tuning mechanism 6 includes a rotating shaft 61 , a plurality of gears 62 , a plurality of sliding blocks 63 and a push plate 64 ; a plurality of gears 62 are sleeved on the rotating shaft 61 at intervals, and the rotating shaft 61 is rotatably arranged in the first accommodating cavity 411 , and each gear 62 Each sliding block 63 is slidably arranged in the corresponding sliding cavity 414, and each sliding block 63 is provided with a driving rack 631 meshing with the gear 62; the push plate 64 is provided on the second sliding block 63. In the accommodating cavity 412 , each slider 63 is connected to a push plate 64 , and the side of the push plate 64 facing away from the slider 63 is connected to a plurality of compression springs 5 .

After the frame 4 is installed, and before the sound insulation board unit 21 is installed, by rotating the rotating shaft 61, the rotating shaft 61 drives the plurality of gears 62 to rotate at the same time. Since each slider 63 is provided with a driving rack 631 that meshes with the gears 62 , the plurality of rotating gears 62 simultaneously drive the plurality of sliders 63 to slide out from the sliding cavity 414, thereby pushing the push plate 64 out of the second accommodating cavity 412, so that there is a lot of space between the push plate 64 and the side wall of the channel steel column 1. The compression springs 5 maintain a good degree of tightness, that is, the installation of the frame 4 is completed.

A sliding groove 415 is provided on the side wall of each sliding cavity 414 facing the gear cavity 413 along the sliding direction of the slider 63 , and the sliding block 63 is provided with a protrusion 632 slidably matched with the sliding groove 415 . The sliding fit of the sliding groove 415 enables the sliding block 63 to slide out of the sliding cavity 414 smoothly.

The top of each side frame 41 is provided with an installation groove 416, and the installation groove 416 is communicated with the first accommodating cavity 411; the top of the rotating shaft 61 is provided with a cylindrical head 65, the cylindrical head 65 is disposed in the installation groove 416, and the cylindrical head 65 is provided with Hexagon hole 651. The fine adjustment mechanism 6 is adjusted by rotating the rotating shaft 61 using an Allen key. The cylindrical head 65 is arranged in the installation groove 416 so that the cylindrical head 65 does not protrude from the top of the side frame 41 , so that the sound insulation board unit 21 can be easily installed.

After adjusting the fine-tuning mechanism 6, in order to fix the rotating shaft 61, the cylindrical head 65 is provided with a limiting groove 652, and the plurality of limiting grooves 652 are evenly distributed along the circumference of the top edge of the cylindrical head 65; the top of the side frame 41 is provided with a first container The two ends of the first accommodating groove 417 communicate with the installation groove 416 and the second accommodating groove 418 respectively; the first accommodating groove 417 is the same size as each limiting groove 652 Also includes a limit pin 7, the limit pin 7 can be conformally embedded in the first accommodating groove 417 and the limit groove 652, and the end of the limit pin 7 away from the installation groove 416 is located in the installation groove 416.

Wherein, the first accommodating cavity 411 is provided with a bearing, and the rotating shaft 61 is sheathed in the bearing.

In addition, in order to conveniently fix the channel steel column 1 on the road surface, the bottom of the channel steel column 1 is provided with a foot 8 .

In this embodiment, the transparent plate 3 is an acrylic plate. Acrylic sheet has good light transmittance, strong weather resistance, high surface strength and surface gloss, as well as good high temperature performance, light weight, half lighter than ordinary glass.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should The technical solutions are modified or equivalently replaced without departing from the purpose and scope of the technical solutions of the present invention, and all of them should be included in the scope of the claims of the present invention.

Claims (7)

1. a sound barrier for traffic road, is characterized in that: comprise two channel steel columns, upper sound insulation board unit, lower sound insulation board unit, transparent plate and frame, the notch of two described channel steel columns is vertically opposite The left and right ends of the upper sound insulation board unit, the lower sound insulation board unit and the frame are all embedded in the slots of the adjacent channel steel columns, and the upper sound insulation board unit, the frame and the lower sound insulation Overlapping settings from the bottom to the bottom; The transparent plate is embedded in the inner frame of the frame, and the frame includes two side frames, each of which is placed in the slot of the channel steel column on the corresponding side; the front side of each side frame is connected to the channel steel. The side walls of the uprights abut against, and a plurality of compression springs are arranged between the rear side of each side frame and the other side wall of the channel steel upright; The fine-tuning mechanism between the tightness. 2 . The sound barrier for traffic roads according to claim 1 , wherein each of the side frames is provided with a first accommodation cavity, a second accommodation cavity, a plurality of gear cavities and a plurality of sliding cavities, and the Both the first accommodating cavity and the second accommodating cavity extend along the height direction of the side frame, and the second accommodating cavity is arranged on the rear side of the side frame; each of the gear cavity and each of the sliding cavities are arranged in a one-to-one correspondence, The plurality of gear cavities and the plurality of sliding cavities are arranged at intervals along the height direction of the side frame, and each gear cavity is respectively communicated with the first accommodating cavity and the corresponding sliding cavity; and each sliding cavity is communicated with the second accommodating cavity; The fine-tuning mechanism includes a rotating shaft, a plurality of gears, a plurality of sliding blocks and a push plate; a plurality of the gears are sleeved on the rotating shaft at intervals, the rotating shaft is rotatably arranged in the first accommodating cavity, and each gear is arranged in a corresponding in the gear cavity; each sliding block is slidably arranged in the corresponding sliding cavity, and each sliding block is provided with a driving rack meshing with the gear; the push plate is arranged in the second accommodating cavity, and each sliding block is It is connected with the push plate, and the side of the push plate facing away from the slider is connected with a plurality of compression springs. 3 . The sound barrier for traffic road according to claim 2 , wherein a mounting groove is provided on the top of each side frame, and the mounting groove is communicated with the first accommodating cavity; the top of the rotating shaft is provided with a cylindrical head. 4 . , the cylindrical head is arranged in the installation groove, and the cylindrical head is provided with an inner hexagonal hole. 4. The sound barrier for traffic road according to claim 3, characterized in that: the cylindrical head is provided with limiting grooves, and a plurality of the limiting grooves are evenly distributed along the circumference of the top edge of the cylindrical head; the top of the side frame is provided with There are a first accommodating groove and a second accommodating groove, and both ends of the first accommodating groove are communicated with the installation groove and the second accommodating groove respectively; the size of the first accommodating groove and each limiting groove same; A limit pin is also included, the limit pin can be conformally embedded in the first accommodating groove and the limit groove, and one end of the limit pin away from the installation groove is located in the installation groove. 5 . The sound barrier for traffic roads according to claim 2 , wherein a bearing is arranged in the first accommodating cavity, and the rotating shaft is sleeved in the bearing. 6 . 6 . The sound barrier for traffic roads according to claim 1 , wherein the bottom of the channel steel column is provided with feet. 7 . 7 . The sound barrier for traffic roads according to claim 1 , wherein the transparent plate is an acrylic plate. 8 .

Images