CN214783371U

CN214783371U - Highway sound-proof screen

Info

Publication number: CN214783371U
Application number: CN202023347155.2U
Authority: CN
Inventors: 张培琳; 董玲峰; 朱宋涛
Original assignee: Zhejiang Zhonghui Traffic Engineering Co ltd
Current assignee: Zhejiang Zhonghui Transportation Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-19
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to the field of sound insulation and noise reduction, in particular to a highway sound-proof screen, which comprises a plurality of supporting frames arranged on an anti-collision wall and a sound-absorbing board connected in the supporting frames, wherein the supporting frames are distributed along the length direction of a highway; and a positioning piece for positioning the support frame on the connecting block is arranged on the connecting block. This application has the effect of filling the space between the adjacent sound proof barrier.

Description

Highway sound-proof screen

Technical Field

The application relates to the field of making an uproar falls in giving sound insulation, especially relates to a highway sound-proof barrier.

Background

The sound barrier is a noise reduction tool whose principle is to reduce the generation of noise by a transmission path. In the transmission process of sound, the transmission of sound waves can be influenced when the sound meets a shelter; besides blocking sound waves, the sound-proof screen has an attractive material inside and can also absorb a lot of sound waves. Sound barriers are generally installed on highways and other places where noise reduction is required by impact walls.

The application publication number is CN 107034798A's chinese utility model patent discloses a sound insulation screen, have the cover body of sound inlet and set up in the internal abatvoix that covers including the equipartition, the platelike structure that the abatvoix comprises porous metal membrane. After the noise enters the cover body from the sound inlet ports uniformly distributed on the cover body, the noise is weakened, and then the noise is deeply reduced through the small holes in the porous metal film under the action of the plate-shaped structure formed by the porous metal film arranged in the cover body, so that an ideal noise reduction effect can be achieved, and the sound absorption plate formed by the porous metal film is light in weight and cannot cause installation burden.

Wherein, the cover body below is provided with the braced frame who is used for supporting the cover body, and braced frame bottom is provided with the supporting legs.

With respect to the related art in the above, the inventors consider that: during installation, the supporting legs of the sound insulation screen are positioned on the anti-collision wall, and a plurality of sound insulation screens distributed along the length direction of a road are often required to be installed on the anti-collision wall; there is certain space between the adjacent sound-proof screen, and when wind-force was great, wind produced great noise easily when passing the space between the adjacent sound-proof screen, probably caused the influence to resident's life on every side.

SUMMERY OF THE UTILITY MODEL

In order to fill the space between adjacent sound barriers, the present application provides a highway sound barrier.

The application provides a highway sound insulation screen adopts following technical scheme:

a highway sound insulation screen comprises a plurality of supporting frames arranged on an anti-collision wall and sound absorption plates connected in the supporting frames, wherein the supporting frames are distributed along the length direction of a highway; and a positioning piece for positioning the support frame on the connecting block is arranged on the connecting block.

Through adopting above-mentioned technical scheme, during the installation highway sound insulation screen, peg graft two adjacent braced frame on the connecting block to through the setting element with braced frame location on the connecting block, fill the space between the adjacent sound insulation screen to a certain extent, when wind-force is great, noise when reducing the wind and passing the space between the sound insulation screen reduces the influence to resident's life on every side.

Optionally, the positioning element includes a positioning bolt, a first threaded hole is formed in the connecting block, a second threaded hole is formed in the supporting frame, and the positioning bolt is in threaded fit with the first threaded hole and then in threaded fit with the second threaded hole.

Through adopting above-mentioned technical scheme, when location braced frame to the connecting block on, with behind positioning bolt and the first screw hole screw-thread fit with second screw hole screw-thread fit can, make the installation between braced frame and the connecting block dismantle convenient simple to make have better joint strength between braced frame and the connecting block.

Optionally, a rubber pad is connected to the bottom of the insertion groove, a tightening groove communicated with the second threaded hole is formed in the support frame, the bottom of the tightening groove is obliquely arranged, and the distance from the bottom of the tightening groove to the bottom of the insertion groove is gradually increased in the tightening direction of the positioning bolt.

By adopting the technical scheme, after the positioning bolt is in threaded fit with the first threaded hole, the tail of the positioning bolt is abutted against the bottom of the abutting groove, and the supporting frame is subjected to component force towards the direction close to the rubber gasket, so that the supporting frame moves towards the direction close to the rubber gasket, and the rubber gasket is further compressed until the positioning bolt is in threaded fit with the second threaded hole; the connection strength between the support frame and the connecting block is further enhanced, and the gap between two adjacent sound insulation screens is further well filled.

Optionally, the tail of the positioning bolt is connected with a circular truncated cone, and the diameter of the circular truncated cone is gradually reduced in the direction from the head to the tail of the positioning bolt; the side wall of the circular truncated cone can be abutted against the bottom of the abutting groove.

Through adopting above-mentioned technical scheme, the round platform of positioning bolt afterbody is contradicted with the groove bottom of supporting tight groove, changes point and surface contact into face and face contact, reduces wearing and tearing to a certain extent, increase of service life.

Optionally, a connecting hole in plug-in fit with the circular truncated cone is formed in the bottom wall of the second threaded hole.

Through adopting above-mentioned technical scheme, connecting hole and the round platform grafting cooperation on the second screw hole diapire have the effect of reinforcing positioning bolt and braced frame joint strength to a certain extent.

Optionally, the connecting block includes a first block disposed close to the road surface, a second block disposed far away from the road surface, and an intermediate block disposed between the first block and the second block, the length of the intermediate block is smaller than that of the first block and that of the second block, the supporting frame is inserted into an insertion groove formed by the first block, the intermediate block, and the second block, and the positioning bolt is connected to the second block; the second block is connected to the middle block, and the first block is provided with a connecting piece used for being connected to the middle block.

Through adopting above-mentioned technical scheme, after braced frame connects on second piece and middle piece, rethread connecting piece is with first piece location on the middle piece, reduces to a certain extent and hangs braced frame's height, makes braced frame's installation comparatively convenient simple.

Optionally, the connecting piece includes a connecting bolt, a third threaded hole is formed in the middle block, a fourth threaded hole is formed in the first block, and the connecting bolt is in threaded fit with the third threaded hole after being in threaded fit with the fourth threaded hole.

Through adopting above-mentioned technical scheme, after braced frame connects on second piece and middle piece, again with the fourth screw hole screw-thread fit back on coupling nut and the first piece with the third screw hole screw-thread fit on the middle piece, make the installation of first piece dismantle convenient simple to make and have better joint strength between first piece and the middle piece.

Optionally, the anti-collision wall is provided with a limiting assembly for positioning the middle block, the limiting assembly comprises a limiting bolt and a limiting nut, and the limiting bolt is in threaded fit with the limiting nut after penetrating through the anti-collision wall and the middle block.

Through adopting above-mentioned technical scheme, when being fixed a position the midblock on the anticollision wall, pass crashproof wall and midblock back and limit nut screw-thread fit with limit bolt, make the installation of midblock comparatively convenient simple to strengthen the joint strength between midblock and the crashproof wall to a certain extent, and then strengthen the steadiness of sound insulation screen installation to a certain extent.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the sound insulation screens of the expressway are installed, two adjacent supporting frames are inserted into the connecting block, the supporting frames are positioned on the connecting block through the positioning piece, and gaps between the adjacent sound insulation screens are filled to a certain extent, so that when wind power is high, noise generated when wind passes through the gaps between the sound insulation screens is reduced, and influence on life of surrounding residents is reduced;

2. when location braced frame to connecting block is gone up, with positioning bolt and first screw hole screw-thread fit back with second screw hole screw-thread fit can, make the installation between braced frame and the connecting block dismantle convenient simple to make to have better joint strength between braced frame and the connecting block.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

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

fig. 3 is a sectional view taken along line C-C of fig. 1.

Description of reference numerals: 1. a support frame; 11. a second threaded hole; 12. abutting against the groove; 13. a sound-absorbing panel; 2. an anti-collision wall; 21. connecting grooves; 3. connecting blocks; 31. a first block; 311. a connecting bolt; 312. a fourth threaded hole; 32. a second block; 321. positioning the bolt; 322. a circular truncated cone; 323. a first threaded hole; 33. a middle block; 331. inserting grooves; 332. a third threaded hole; 333. a rubber pad; 4. a limiting component; 41. a limit bolt; 42. and a limiting nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses highway sound-proof barrier. Referring to fig. 1, the sound-proof screen for the expressway comprises a plurality of supporting frames 1, wherein each supporting frame 1 is a rectangular frame, and a sound-absorbing plate 13 is fixedly connected in each supporting frame 1. A plurality of support frames 1 are distributed along the length direction of the highway.

Referring to fig. 1 and 2, the supporting frames 1 are arranged on an anti-collision wall 2 of a highway, a connecting block 3 is arranged between two adjacent supporting frames 1, the connecting block 3 comprises a first block 31, a second block 32 and a middle block 33, and the first block 31, the second block 32 and a third block are all arranged in a rectangular parallelepiped shape. The first block 31 is disposed on the side close to the road surface, the second block 32 is disposed on the side away from the road surface, and the intermediate block 33 is located between the first block 31 and the second block 32.

Referring to fig. 1 and 2, the second block 32 is fixedly connected to the middle block 33, and the first block 31 is provided with a connecting member for connecting to the middle block 33, the connecting member including a connecting bolt 311. The middle block 33 is provided with a third threaded hole 332 which is horizontally arranged, the first block 31 is provided with a fourth threaded hole 312 which is horizontally arranged, and the connecting bolt 311 is in threaded fit with the fourth threaded hole 312 and then is in threaded fit with the third threaded hole 332.

Referring to fig. 1 and 3, a connecting groove 21 matched with the middle block 33 in an inserting manner is formed in the upper end face of the anti-collision wall 2, a limiting component 4 used for positioning the middle block 33 is arranged on the anti-collision wall 2, the limiting component 4 comprises a limiting bolt 41 and a limiting nut 42, the limiting bolt 41 penetrates through the anti-collision wall 2 and the middle block 33 and then is in threaded fit with the limiting nut 42, and the limiting nut 42 abuts against the side wall of the anti-collision wall 2.

Referring to fig. 1 and 3, the middle block 33 is shorter in length than the first and

second blocks

31 and 32. The support frame 1 is inserted into the insertion groove 331 formed by the first block 31, the intermediate block 33, and the second block 32.

Referring to fig. 1 and 3, a positioning member for positioning the support frame 1 is disposed on the second block 32, the positioning member includes a positioning bolt 321, a first threaded hole 323 horizontally disposed is formed in the second block 32, a second threaded hole 11 horizontally disposed is formed in the support frame 1, and the positioning bolt 321 is in threaded fit with the first threaded hole 323 and then in threaded fit with the second threaded hole 11.

Referring to fig. 1 and 3, a rubber pad 333 is fixedly connected to the bottom of the insertion groove 331, and a tightening groove 12 communicated with the second threaded hole 11 is formed in the support frame 1. The bottom of the tightening groove 12 is inclined, and the distance from the bottom of the tightening groove 12 to the bottom of the insertion groove 331 is gradually increased in the tightening direction of the positioning bolt 321.

Referring to fig. 3, a circular truncated cone 322 is coaxially and fixedly connected to the tail of the positioning bolt 321, and the diameter of one end of the circular truncated cone 322 close to the tail of the positioning bolt 321 is equal to the diameter of the tail of the positioning bolt 321. In the direction from the head to the tail of the positioning bolt 321, the diameter of the circular truncated cone 322 is gradually reduced, and the side wall of the circular truncated cone 322 can be abutted against the bottom of the abutting groove 12. A connecting hole (not shown in the figure) which is in plug fit with the circular truncated cone 322 is formed in the bottom wall of the second threaded hole 11, and the connecting hole is vertically arranged.

The implementation principle of highway sound insulation screen of this application embodiment does:

when the highway sound insulation screen is installed, a middle block 33 is firstly inserted into the connecting groove 21, after the anti-collision wall 2 and the middle block 33 are drilled, the limiting bolt 41 penetrates through the anti-collision wall 2 and the middle block 33, and then the limiting bolt 41 is in threaded fit with the limiting nut 42.

The support frame 1 and the sound-absorbing board 13 are connected to the second block 32 and the middle block 33, and then after the positioning bolt 321 is in threaded fit with the first threaded hole 323, the side wall of the circular truncated cone 322 at the tail of the positioning bolt 321 is abutted against the bottom of the abutting groove 12, and the support frame 1 is subjected to a component force towards the direction close to the rubber pad 333, so that the support frame 1 moves towards the direction close to the rubber pad 333, and the rubber pad 333 is further compressed until the positioning bolt 321 is in threaded fit with the second threaded hole 11.

Then, the first block 31 is connected to the intermediate block 33 by the connecting bolt 311, and the plurality of support frames 1 are sequentially mounted.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a highway sound-proof screen, includes a plurality ofly install braced frame (1) on crashproof wall (2) and connect abatvoix (13) in braced frame (1), and is a plurality of braced frame (1) distributes its characterized in that along highway length direction: a connecting block (3) arranged on the anti-collision wall (2) is arranged between every two adjacent supporting frames (1), an inserting groove (331) is formed in each connecting block (3), and the two adjacent supporting frames (1) are inserted into the connecting blocks (3); and a positioning piece used for positioning the supporting frame (1) on the connecting block (3) is arranged on the connecting block (3).

2. The sound-proof screen for the expressway of claim 1, wherein: the positioning piece comprises a positioning bolt (321), a first threaded hole (323) is formed in the connecting block (3), a second threaded hole (11) is formed in the supporting frame (1), and the positioning bolt (321) is in threaded fit with the first threaded hole (323) and then in threaded fit with the second threaded hole (11).

3. The sound-proof screen for the expressway of claim 2, wherein: the bottom of the insertion groove (331) is connected with a rubber pad (333), the supporting frame (1) is provided with a tightening groove (12) communicated with the second threaded hole (11), the bottom of the tightening groove (12) is obliquely arranged, and the distance from the bottom of the tightening groove (12) to the bottom of the insertion groove (331) is gradually increased in the tightening direction of the positioning bolt (321).

4. The sound barrier for highways according to claim 3, wherein: the tail of the positioning bolt (321) is connected with a circular truncated cone (322), and the diameter of the circular truncated cone (322) is gradually reduced in the direction from the head to the tail of the positioning bolt (321); the side wall of the circular truncated cone (322) can be abutted against the bottom of the abutting groove (12).

5. The sound-proof screen for expressway of claim 4, wherein: and a connecting hole which is in plug-in fit with the circular truncated cone (322) is formed in the bottom wall of the second threaded hole (11).

6. The sound-proof screen for the expressway of claim 2, wherein: the connecting block (3) comprises a first block (31) close to the road surface, a second block (32) far away from the road surface and a middle block (33) located between the first block (31) and the second block (32), the length of the middle block (33) is smaller than that of the first block (31) and that of the second block (32), the supporting frame (1) is inserted into an insertion groove (331) formed by the first block (31), the middle block (33) and the second block (32), and the positioning bolt (321) is connected to the second block (32); the first block (31) is provided with a connecting piece used for being connected to the middle block (33).

7. The sound barrier for highways of claim 6, wherein: the connecting piece comprises a connecting bolt (311), a third threaded hole (332) is formed in the middle block (33), a fourth threaded hole (312) is formed in the first block (31), and the connecting bolt (311) is in threaded fit with the third threaded hole (332) after being in threaded fit with the fourth threaded hole (312).

8. The sound barrier for highways of claim 7, wherein: be provided with spacing subassembly (4) that are used for fixing a position middle block (33) on crashproof wall (2), spacing subassembly (4) are including spacing bolt (41) and stop nut (42), stop bolt (41) pass behind crashproof wall (2) and middle block (33) with stop nut (42) screw-thread fit.