CN111441269A - Sound absorption and insulation body - Google Patents
Sound absorption and insulation body Download PDFInfo
- Publication number
- CN111441269A CN111441269A CN202010282253.8A CN202010282253A CN111441269A CN 111441269 A CN111441269 A CN 111441269A CN 202010282253 A CN202010282253 A CN 202010282253A CN 111441269 A CN111441269 A CN 111441269A
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- CN
- China
- Prior art keywords
- sound absorption
- vertical
- insulation
- frame
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 58
- 238000009413 insulation Methods 0.000 title claims abstract description 50
- 241001669679 Eleotris Species 0.000 claims abstract description 10
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
- E01F8/0064—Perforated plate or mesh, e.g. as wall facing
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0023—Details, e.g. foundations
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
- E01F8/0064—Perforated plate or mesh, e.g. as wall facing
- E01F8/007—Perforated plate or mesh, e.g. as wall facing with damping material
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
A sound absorption and insulation body is arranged at the end parts of sleepers on two sides of a railway track and consists of a hole protection plate, a fixing nut, a supporting framework, a vertical sound absorption and insulation box and a horizontal sound absorption and insulation box. The vertical face frame of the supporting framework is inserted into the vertical sound absorption and insulation box from two sides, the bottom face frame of the supporting framework is inserted into the transverse sound absorption and insulation box from two sides, the hole protection plate is installed on the inclined plane of the supporting framework, and the nut is screwed on the bolt prewelded on the back side of the supporting framework; the sound absorption and insulation body is fixed with the sleeper through a connecting piece. The invention has the advantages of convenient installation, convenient replacement, convenient maintenance, simple manufacture, low cost and small occupied space, improves the construction condition and enlarges the visual field of passengers.
Description
Technical Field
The invention relates to the technical field of urban rail transit, in particular to a sound absorption and insulation body.
Background
Urban rail transit plays a key role in improving resident trip quality, improving urban ecological environment, promoting urban economic development and optimizing urban spatial layout. Meanwhile, as each urban rail transit network is continuously encrypted, the speed of trains is continuously improved, the service life of the line is continuously prolonged, the negative problems of vibration and noise caused by the line are more serious, and the line attracts more and more attention, and the vibration and noise become one of seven environmental hazards in the world. The running speed of the existing railway is increased, noise generated by rail friction seriously affects nearby villages and cell zones, and in order to harmonize the railway and the living environment of people along the railway, a railway sound barrier with the height of 2-3 m is arranged in sections passing through schools, hospitals, residential areas and the like by the existing railway, so that the influence of the noise and vibration on the lives of people on two sides is reduced to the maximum extent. The common sound barrier has the defects of large occupied area, high load requirement, influence on the sight of the train, high cost and the like, and a large amount of manpower, financial resources and material resources are consumed.
Disclosure of Invention
The sound absorption and insulation body provided by the invention is convenient to install, replace, overhaul, manufacture and occupy small space.
A sound absorption and insulation body is arranged at the end parts of sleepers at two sides of a railway track and is characterized by consisting of a hole protection plate, a supporting framework, a vertical sound absorption and insulation box and a horizontal sound absorption and insulation box; the vertical face frame of the supporting framework is inserted into the vertical sound absorption and insulation box from two sides, the bottom face frame of the supporting framework is inserted into the transverse sound absorption and insulation box from two sides, the hole protection plate is installed on the inclined plane of the supporting framework, and the nut is screwed on the bolt prewelded on the back side of the supporting framework; the sound absorption and insulation body is fixed with the sleeper through a connecting piece.
The supporting framework comprises a vertical surface frame and a bottom surface frame, and the vertical surface frame is vertically connected with the bottom surface frame; the two inclined rods are obliquely connected between the vertical surface frame and the bottom surface frame and are positioned at two ends of the vertical surface frame and the bottom surface frame; the vertical face frame consists of groove-shaped parts, vertical plates and a middle beam, the notches of the two groove-shaped parts are buckled and connected through the vertical plates, and the two ends of the middle beam are connected with the two groove-shaped parts, are placed in the middle of the two groove-shaped parts, are perpendicular to the groove-shaped parts and are parallel to the vertical plates; the bottom surface framework consists of a groove-shaped piece, a transverse plate, a connecting rod and a middle beam, wherein the groove-shaped piece is connected with the connecting rod through the transverse plate, and two ends of the middle beam are respectively connected with the groove-shaped piece and the connecting rod, are perpendicular to the groove-shaped piece and are parallel to the transverse plate; the middle beam is welded in the middle of the vertical face frame and the bottom face frame, and the vertical face frame and the bottom face frame are respectively divided into two independent spaces;
the diagonal rods are connected with the groove-shaped pieces at the top of the vertical surface frame and the connecting rods of the bottom surface frame.
The vertical sound absorption and insulation box is a rectangular box body, the hole protection plate is positioned in front of the rectangular box body, and the inner cavity of the rectangular box body is filled with sound absorption cotton.
The transverse sound absorption and insulation box is a rectangular box body, the hole protection plate is positioned in front of the rectangular box body, and the inner cavity of the rectangular box body is filled with sound absorption cotton.
Holes with the aperture of 0.5-3mm are uniformly distributed on the surface of the hole protection plate.
The invention has the following advantages:
1. the sound absorption capacity is strong. The hole guard plate carries out the first noise reduction to the noise through the micropore, and the sound absorption and insulation box carries out the second noise reduction to the noise.
2. The installation and the replacement are fast. During installation, the sound absorption and insulation box is in an insertion type, is loosened and connected with the sleeper during installation or replacement, and is directly taken out and replaced and then connected with the sleeper again.
3. The occupied space is small. The invention only depends on the sleeper, is close to a noise source under the condition of not influencing the running of the vehicle, and has the advantages of small required space, small equipment outline and low cost.
The invention has the advantages of convenient installation, convenient replacement, convenient maintenance, simple manufacture, low cost and small occupied space, improves the construction condition and enlarges the visual field of passengers.
Drawings
FIG. 1 is a front elevation view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a cross-sectional view A-A of the present invention;
FIG. 4 is a front elevational view of the support frame of the present invention;
FIG. 5 is a side view of the support frame of the present invention;
FIG. 6 is a top view of the support frame of the present invention;
FIG. 7 is a cross-sectional view of a support frame B-B of the present invention;
FIG. 8 is a schematic view of the sound absorption and insulation box of the present invention;
in the figure: 1-hole guard plate, 2-fixed nut, 3-supporting framework, 4-vertical sound absorption and insulation box, 5-horizontal sound absorption and insulation box, 31-groove-shaped piece, 32-bolt, 33-vertical plate, 34-horizontal plate, 35-connecting rod, 36-connecting nut, 37-diagonal rod, 38-middle beam and 40-connecting hole.
Detailed Description
A sound absorption and insulation body is 1.5 meters long, 0.5 meters high and 0.6 meters wide, is arranged at the end part of a sleeper at two sides of a railway track and is fixed with the sleeper through a connecting piece, and consists of a supporting framework 3, a vertical sound absorption and insulation box 4 and a horizontal sound absorption and insulation box 5.
The vertical face frame of the supporting framework 3 is inserted into the vertical sound absorption and insulation box 4 from two sides of the vertical sound absorption and insulation box 4, the bottom face frame of the supporting framework 3 is inserted into the horizontal sound absorption and insulation box 5 from two sides of the horizontal sound absorption and insulation box 5, the hole protection plate 1 is installed on an inclined rod of the supporting framework 3, and nuts are screwed on bolts prewelded on the back side of the supporting framework.
The support frame 3 is a right-angled triangle steel structure which is assembled, and the support frame 3 is composed of a groove-shaped part 31, a bolt 32, a vertical plate 33, a transverse plate 34, a connecting rod 35, a connecting nut 36, an inclined rod 37 and a middle beam 38.
The notches of the channel-shaped members 31 are fastened and welded together by vertical plates 33 to form a vertical frame with a rectangular cross section. The channel member 31 and the connecting rod 35 are welded together by a cross plate 34 to form a bottom frame having a rectangular cross section. The vertical face frame and the bottom face frame are vertically welded; bolts 32 are prewelded on the outer side of the top channel section of the facade frame; the connecting nut 36 is prewelded in the connecting rod 35 of the bottom frame; the middle beam 38 is welded in the middle of the vertical face frame and the bottom face frame to divide the vertical face frame and the bottom face frame into two independent spaces; the diagonal rods 37 connect the channel section at the top of the facade frame with the connecting rods.
The channel section spare is 3mm sheet metal and makes into C type, plays support and spacing effect.
The bolt is an M8 standard component and is used for fixing the hole guard plate.
The vertical plate and the transverse plate are made of 3mm thin plates, and the connecting groove type piece and the connecting function are achieved.
The connecting rod is square pipe section steel, and is connected with the sleeper through the mounting hole fixed hole guard plate during installation so as to fix the sound absorption and insulation body.
The connecting nut is prewelded in the connecting rod, and the fastening hole guard plate and the sleeper connecting piece are used.
The diagonal bar is square tube section steel, plays the effect of supporting reinforcing support skeleton and support hole backplate.
The middle beam is of an I-shaped steel structure, the supporting framework is divided into two sections of independent spaces, and the supporting framework is strengthened and the sound absorption and insulation box is limited.
The hole backplate is the shaping of bending of 1.5mm aluminum plate, and the surface equipartition has the hole that the aperture is 0.5mm, plays the sound absorption effect.
The fixing nut is a standard component, and the fixing hole is protected on the vertical face frame.
The sound absorption and insulation box is divided into a vertical sound absorption and insulation box 730 x 500 x 140 (mm) and a transverse sound absorption and insulation box 730 x 350 x 140 (mm) according to the installation position, the sound absorption and insulation box adopts a nonmetal sound absorption and insulation box, the box is made of C30 concrete, a sound absorption hole is formed in the surface of the sound absorption and insulation box, and the rock wool manufactured by the method is filled inside the sound absorption and insulation box and has the volume weight of 80 Kg/m.
Claims (6)
1. A sound absorption and insulation body is arranged at the end parts of sleepers at two sides of a railway track and is characterized by consisting of a hole protection plate, a supporting framework, a vertical sound absorption and insulation box and a horizontal sound absorption and insulation box; the vertical face frame of the supporting framework is inserted into the vertical sound absorption and insulation box from two sides, the bottom face frame of the supporting framework is inserted into the transverse sound absorption and insulation box from two sides, the hole protection plate is installed on the inclined plane of the supporting framework, and the nut is screwed on the bolt prewelded on the back side of the supporting framework; the sound absorption and insulation body is fixed with the sleeper through a connecting piece.
2. The sound absorption and insulation body as claimed in claim 1, wherein the supporting framework comprises a vertical surface frame and a bottom surface frame, and the vertical surface frame is vertically connected with the bottom surface frame; the two inclined rods are obliquely connected between the vertical surface frame and the bottom surface frame and are positioned at two ends of the vertical surface frame and the bottom surface frame; the vertical face frame consists of groove-shaped parts, vertical plates and a middle beam, the notches of the two groove-shaped parts are buckled and connected through the vertical plates, and the two ends of the middle beam are connected with the two groove-shaped parts, are placed in the middle of the two groove-shaped parts, are perpendicular to the groove-shaped parts and are parallel to the vertical plates; the bottom surface framework consists of a groove-shaped piece, a transverse plate, a connecting rod and a middle beam, wherein the groove-shaped piece is connected with the connecting rod through the transverse plate, and two ends of the middle beam are respectively connected with the groove-shaped piece and the connecting rod, are perpendicular to the groove-shaped piece and are parallel to the transverse plate; the middle beam is welded in the middle of the vertical face frame and the bottom face frame to separate the vertical face frame and the bottom face frame into two independent spaces.
3. The sound absorption and insulation material as claimed in claim 1, wherein the diagonal member connects the groove member at the top of the vertical frame with the connecting rod of the bottom frame.
4. The sound absorption and insulation body as claimed in claim 1, wherein the vertical sound absorption and insulation box is a rectangular box body, the hole protection plate is positioned in front of the rectangular box body, and the inner cavity of the rectangular box body is filled with sound absorption cotton.
5. The sound absorption and insulation body as claimed in claim 1, wherein the transverse sound absorption and insulation box is a rectangular box body, the hole guard plate is positioned in front of the rectangular box body, and the inner cavity of the rectangular box body is filled with sound absorption cotton.
6. The sound absorbing and insulating body as claimed in claim 1, wherein the hole of 0.5-3mm diameter is uniformly distributed on the surface of the hole protecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010282253.8A CN111441269B (en) | 2020-04-11 | 2020-04-11 | Sound absorption and insulation body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010282253.8A CN111441269B (en) | 2020-04-11 | 2020-04-11 | Sound absorption and insulation body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111441269A true CN111441269A (en) | 2020-07-24 |
| CN111441269B CN111441269B (en) | 2024-02-13 |
Family
ID=71654044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010282253.8A Active CN111441269B (en) | 2020-04-11 | 2020-04-11 | Sound absorption and insulation body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111441269B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0890679A2 (en) * | 1997-07-09 | 1999-01-13 | Dieselbox S.A. | Antinoise barrier with transparent panels, provided with acoustic insulation and acoustic absorption characteristics |
| GB0016939D0 (en) * | 2000-07-10 | 2000-08-30 | Wang Chiao H | Sound absorbing panel |
| CN101781880A (en) * | 2006-12-26 | 2010-07-21 | 李凤娥 | Sound absorbing-insulating barrier |
| CN202055618U (en) * | 2011-04-22 | 2011-11-30 | 有利华建筑预制件有限公司 | Noise-reduction dust-reduction separating wall system for construction site |
| CN107476211A (en) * | 2017-09-29 | 2017-12-15 | 正升环境科技股份有限公司 | A kind of exoskeletal sound barrier of barriers |
| CN107558388A (en) * | 2017-08-28 | 2018-01-09 | 四川双铁科技有限公司 | A kind of sound barrier and its installation method applied to existing railway line |
| CN207003698U (en) * | 2017-07-04 | 2018-02-13 | 四川音立环境工程有限公司 | A kind of optional detachable photovoltaic generation sound-proof wall |
| CN207079494U (en) * | 2017-06-19 | 2018-03-09 | 江苏宏达交通工程有限公司 | A kind of highway sound barrier |
| CN208266719U (en) * | 2018-05-18 | 2018-12-21 | 南京铁道职业技术学院 | A kind of sound barrier device applied to railway line |
| CN110258373A (en) * | 2019-07-17 | 2019-09-20 | 辽阳沈铁小屯轨枕水泥有限公司 | The efficient Felt of high speed railway sound barrier metal composite |
| CN209493863U (en) * | 2018-02-05 | 2019-10-15 | 重庆建筑工程职业学院 | It is a kind of to use stable and rail traffic sound barrier easy for installation |
| CN110863576A (en) * | 2019-11-22 | 2020-03-06 | 山西尚风科技股份有限公司 | Pressure relief type double-sided sound absorption box |
| CN213709241U (en) * | 2020-04-11 | 2021-07-16 | 山西尚风科技股份有限公司 | Sound absorption and insulation body |
-
2020
- 2020-04-11 CN CN202010282253.8A patent/CN111441269B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0890679A2 (en) * | 1997-07-09 | 1999-01-13 | Dieselbox S.A. | Antinoise barrier with transparent panels, provided with acoustic insulation and acoustic absorption characteristics |
| GB0016939D0 (en) * | 2000-07-10 | 2000-08-30 | Wang Chiao H | Sound absorbing panel |
| CN101781880A (en) * | 2006-12-26 | 2010-07-21 | 李凤娥 | Sound absorbing-insulating barrier |
| CN202055618U (en) * | 2011-04-22 | 2011-11-30 | 有利华建筑预制件有限公司 | Noise-reduction dust-reduction separating wall system for construction site |
| CN207079494U (en) * | 2017-06-19 | 2018-03-09 | 江苏宏达交通工程有限公司 | A kind of highway sound barrier |
| CN207003698U (en) * | 2017-07-04 | 2018-02-13 | 四川音立环境工程有限公司 | A kind of optional detachable photovoltaic generation sound-proof wall |
| CN107558388A (en) * | 2017-08-28 | 2018-01-09 | 四川双铁科技有限公司 | A kind of sound barrier and its installation method applied to existing railway line |
| CN107476211A (en) * | 2017-09-29 | 2017-12-15 | 正升环境科技股份有限公司 | A kind of exoskeletal sound barrier of barriers |
| CN209493863U (en) * | 2018-02-05 | 2019-10-15 | 重庆建筑工程职业学院 | It is a kind of to use stable and rail traffic sound barrier easy for installation |
| CN208266719U (en) * | 2018-05-18 | 2018-12-21 | 南京铁道职业技术学院 | A kind of sound barrier device applied to railway line |
| CN110258373A (en) * | 2019-07-17 | 2019-09-20 | 辽阳沈铁小屯轨枕水泥有限公司 | The efficient Felt of high speed railway sound barrier metal composite |
| CN110863576A (en) * | 2019-11-22 | 2020-03-06 | 山西尚风科技股份有限公司 | Pressure relief type double-sided sound absorption box |
| CN213709241U (en) * | 2020-04-11 | 2021-07-16 | 山西尚风科技股份有限公司 | Sound absorption and insulation body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111441269B (en) | 2024-02-13 |
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Address after: 030032 floor 18, block B, times Freedom Plaza, No. 190, Longxing street, Shanxi Demonstration District, Taiyuan City, Shanxi Province Applicant after: Shangfeng Technology Co.,Ltd. Address before: 030006 18 / F, block B, times Freedom Plaza, 190 Longxing street, Shanxi demonstration zone, Taiyuan City, Shanxi Province Applicant before: SHANXI SHANGFENG TECHNOLOGY Co.,Ltd. |
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