CN111074804A - Environmental protection engineering is with noise prevention and cure equipment of combination formula - Google Patents
Environmental protection engineering is with noise prevention and cure equipment of combination formula Download PDFInfo
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- CN111074804A CN111074804A CN201911364390.XA CN201911364390A CN111074804A CN 111074804 A CN111074804 A CN 111074804A CN 201911364390 A CN201911364390 A CN 201911364390A CN 111074804 A CN111074804 A CN 111074804A
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- vertical
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- noise control
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- 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
- E01F8/0017—Plate-like elements
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention discloses combined noise control equipment for environmental protection engineering, which comprises a strip-shaped mounting base, wherein the upper surface of the strip-shaped mounting base is provided with a combined noise control mechanism, and the lower surface of the strip-shaped mounting base is provided with a supporting and fixing mechanism. The noise reduction device has the beneficial effects that the device is convenient to use and install, the noise reduction form is convenient to adjust according to the situation, and the noise reduction effect is good.
Description
Technical Field
The invention relates to the field of noise reduction, in particular to combined noise control equipment for environmental protection engineering.
Background
Noise reduction is the operation of reducing noise.
In some places beside railways, because the railway has a large sound when running, sound insulation boards or noise reduction frames and the like need to be placed around for living consideration of people living around, the traditional sound insulation boards are only single-sided, and the installation position is inconvenient to adjust according to different installation conditions, so that in order to solve the problems, it is necessary to design a combined noise control device for environmental protection engineering.
Disclosure of Invention
The invention aims to solve the problems and designs combined noise control equipment for environmental protection engineering.
The technical scheme of the invention is that the combined noise control equipment for the environmental protection engineering comprises a strip-shaped mounting base, wherein the upper surface of the strip-shaped mounting base is provided with a combined noise control mechanism, the lower surface of the strip-shaped mounting base is provided with a supporting and fixing mechanism, and the combined noise control mechanism mainly comprises a vertical supporting frame arranged at the center of the upper surface of the strip-shaped mounting base, a pair of folded intercepting frames fixedly connected to the two opposite side surfaces of the upper end of the vertical supporting frame, vertical slide rails embedded at the two ends of the front and back opposite side surfaces of the vertical supporting frame, a slide block arranged in each vertical slide rail, strip-shaped supporting blocks arranged on the upper surface of each pair of slide blocks, a horizontal slide groove processed on the upper surface of each strip-shaped supporting block, a horizontal slide block arranged in each slide groove, a lifting swing plate connected to the upper surface of the horizontal slide block and matched with the corresponding folded intercepting, Inlay the surface around vertical support frame and be located a pair of sound sponge of inhaling of vertical slide rail inboard, the suit U-shaped acoustic celotex board on every swing board, set up in every U-shaped acoustic celotex board both sides and with two pairs of mountings between the swing board, fixed connection about vertical support frame two-phase offside on the surface a pair of mount, fixed connection is at every mount outside folding round bar on the surface, the vertical bar frame of suit on every folding round bar, inlay the rotation two-section arm of dress in every vertical bar frame outside surface center department, set up on every rotation two-section arm terminal surface and with bar mounting base assorted arc protecting crust, set up the cotton constitution of inhaling of sound in the porous on every arc protecting crust inboard surface.
The supporting and fixing mechanism mainly comprises a plurality of strip-shaped grooves machined at the lower ends of the front side surface and the rear side surface of the strip-shaped mounting base, a multi-fork fixing frame arranged at the front side and the rear side of the strip-shaped mounting base and corresponding to the plurality of strip-shaped grooves, strip-shaped supporting plates fixedly connected to one end of the lower surface of each multi-fork fixing frame, and a plurality of horizontal screw rods arranged on the side surface of each strip-shaped supporting plate.
The upper surface of the vertical support frame is fixedly connected with an annular support base.
The lower surface of the annular supporting base is fixedly connected with a plurality of circular supporting bulges.
The center of the lower surface of the strip-shaped mounting base is fixedly connected with a plurality of bearing grooves matched with the circular bulges.
Each fixing piece is a fixing screw.
And the outer side surface of each arc-shaped protective shell is hinged with a hand-held handle.
And an arc-shaped bearing groove corresponding to the hand-held handle is formed in the surface of the outer side of each arc-shaped protective shell.
Two ends of the left and right opposite side surfaces of the vertical support frame are fixedly connected with a pair of vertical elastic sealing blocks which are in lap joint with the arc-shaped protective shell.
Each vertical elastic sealing block is connected with the side surface of the vertical support frame through a vertical sliding frame.
The combined noise control equipment for the environmental protection project, which is manufactured by the technical scheme of the invention, is a device which is convenient to use and install, is convenient to adjust the noise reduction form according to the situation and has good noise reduction effect.
Drawings
FIG. 1 is a schematic structural diagram of a combined noise control device for environmental protection engineering according to the present invention;
FIG. 2 is a top view of the combined noise control apparatus for environmental protection engineering according to the present invention;
FIG. 3 is a top view of the combination of the arc-shaped protective shell, the porous sound-absorbing cotton and the handle of the combined noise control device for environmental engineering according to the present invention;
FIG. 4 is a side view of the combination of the elevating swing plate, the U-shaped noise isolation plate and the fixing member in the combined noise control apparatus for environmental protection engineering according to the present invention;
FIG. 5 is a side view of a supporting and fixing mechanism of the combined noise control apparatus for environmental protection engineering according to the present invention;
in the figure, 1, a strip-shaped mounting base; 2. a vertical support frame; 3. a folded intercepting frame; 4. a vertical slide rail; 5. a slider; 6. a strip-shaped supporting block; 7. a lifting swing plate; 8. sound-absorbing sponge; 9. a U-shaped acoustic panel; 10. a fixing member; 11. a fixed mount; 12. a fold-shaped round bar; 13. a vertical strip-shaped frame; 14. rotating the double-section arm; 15. an arc-shaped protective shell; 16. porous sound-absorbing cotton; 17. a multi-pronged mount; 18. a strip-shaped support plate; 19. a horizontal screw; 20. an annular support base; 21. a circular support protrusion; 22. the handle is held by hands; 23. a vertical elastic sealing block; 24. a vertical sliding rack.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, and as shown in fig. 1-5, the invention provides a combined noise control device for environmental engineering, which comprises a strip-shaped mounting base 1, wherein a combined noise control mechanism is arranged on the upper surface of the strip-shaped mounting base 1, a supporting and fixing mechanism is arranged on the lower surface of the strip-shaped mounting base 1, the combined noise control mechanism mainly comprises a vertical supporting frame 2 arranged at the center of the upper surface of the strip-shaped mounting base 1, a pair of folded intercepting frames 3 fixedly connected to the two opposite side surfaces of the upper end of the vertical supporting frame 2, vertical sliding rails 4 embedded at the two ends of the front and back two opposite side surfaces of the vertical supporting frame 2, sliding blocks 5 arranged in each vertical sliding rail 4, strip-shaped supporting blocks 6 arranged on the upper surfaces of each pair of sliding blocks 5, horizontal sliding grooves processed on the upper surfaces, A horizontal sliding block 5 arranged in each sliding groove, a lifting swing plate 7 which is connected with the upper surface of the horizontal sliding block 5 by a chain and is matched with the corresponding folding type intercepting frame 3, a pair of sound absorbing sponges 8 which are embedded on the front and back surfaces of the vertical supporting frame 2 and are positioned on the inner side of the vertical sliding rail 4, a U-shaped sound insulating plate 9 which is sleeved on each lifting swing plate 7, two pairs of fixing pieces 10 which are arranged on two sides of each U-shaped sound insulating plate 9 and are arranged between the lifting swing plates 7, a pair of fixing frames 11 which are fixedly connected on the left and right opposite side surfaces of the vertical supporting frame 2, a folding round rod 12 which is fixedly connected on the outer side surface of each fixing frame 11, a vertical strip frame 13 which is sleeved on each folding round rod 12, a rotating double-section arm 14 which is embedded at the center of the outer side surface of each vertical strip frame 13, an arc protective shell 15 which is arranged, The sound absorbing porous cotton support structure comprises porous sound absorbing cotton 16 arranged on the inner side surface of each arc-shaped protective shell 15, the support fixing mechanism mainly comprises a plurality of strip-shaped grooves machined at the lower ends of the front side surface and the rear side surface of a strip-shaped mounting base 1, a multi-fork fixing frame 17 arranged on the front side and the rear side of the strip-shaped mounting base 1 and corresponding to the strip-shaped grooves, a strip-shaped support plate 18 fixedly connected to one end of the lower surface of each multi-fork fixing frame 17, and a plurality of horizontal screw rods 19 arranged on the side surface of each strip-shaped support plate 18, an annular support base 20 is fixedly connected to the upper surface of a vertical support frame 2, a plurality of circular support bulges 21 are fixedly connected to the lower surface of the annular support base 20, a plurality of bearing grooves matched with the circular bulges 21 are fixedly connected to the center of the lower surface of the strip-shaped mounting base 1, each fixing The outer side surface of each arc-shaped protection shell 15 is provided with an arc-shaped bearing groove corresponding to the handle 22, two ends of the left and right opposite side surfaces of the vertical support frame 2 are fixedly connected with a pair of vertical elastic sealing blocks 23 lapped with the arc-shaped protection shells 15, and each vertical elastic sealing block 23 is connected with the side surface of the vertical support frame 2 through a vertical sliding frame 24.
The characteristic of this embodiment is that, when using this device, it can pull up each swing board 7 more practically, or overlap the upper surface of the corresponding folding intercepting frame 3, and it is vertical or perpendicular to the vertical support frame 2, wherein the U-shaped sound-proof board 9 on each swing board 7 is convenient for double-sided sound-proof, wherein each swing board 7 can slide left and right on the corresponding strip support board 6, and it is convenient to adjust the position, wherein each strip support block 6 is connected with a pair of vertical slide rails 4 on the vertical support frame 2 through a pair of slide blocks 5, and it is convenient to move up and down on the vertical slide rails 4, and adjust the position, wherein the folding intercepting frame 3 is convenient to intercept the swing board 7, wherein a pair of sound-absorbing sponges 8 on the front and back sides of the vertical support frame 2 is convenient to absorb sound, wherein every U-shaped acoustic celotex board 9 all is connected with lift swing board 7 through mounting 10, every arc antislip shell 15 can rotate and swing on the rotation two-section arm 14 that corresponds, the adjustment position, the cotton 6 is inhaled to the porous sound of inhaling on the inside surface of every arc protecting crust 15 is convenient for inhale the sound well, wherein every rotates two-section arm 14 and all is connected with the book shape pole 12 that corresponds through vertical bar frame 13, be convenient for swing on book shape pole 12, every book shape pole 12 all is connected through mount 11 and 2 side surfaces of vertical support frame, a use is more convenient, it is more convenient to install, be convenient for adjust the form of making an uproar according to the condition, the device that the noise reduction effect is good.
In this embodiment, when using the device, each of the swing boards 7 can be pulled upward or overlapped on the upper surface of the corresponding folded intercepting frame 3 in a vertical or perpendicular state with the vertical supporting frame 2 under more practical conditions, wherein the U-shaped sound-insulating board 9 on each of the swing boards 7 facilitates double-sided sound insulation, wherein each of the swing boards 7 can slide left and right on the corresponding strip supporting board 6 for position adjustment, wherein each strip supporting block 6 is connected with a pair of vertical sliding rails 4 on the vertical supporting frame 2 through a pair of sliding blocks 5 for lifting movement on the vertical sliding rails 4 for position adjustment, wherein the folded intercepting frame 3 facilitates interception of the swing boards 7, wherein a pair of sound-absorbing sponges 8 on the front and rear sides of the vertical supporting frame 2 facilitate sound absorption, wherein each U-shaped sound insulation board 9 is connected with the lifting swing board 7 through a fixing part 10, each arc-shaped antiskid shell 15 can rotate and swing on the corresponding rotating double-section arm 14, the position is adjusted, the porous sound absorption cotton 6 on the inner side surface of each arc-shaped protection shell 15 is convenient for absorbing sound well, each rotating double-section arm 14 is connected with the corresponding folded round rod 12 through a vertical strip-shaped frame 13 and is convenient for swinging on the folded round rod 12, each folded round rod 12 is connected with the side surface of the vertical support frame 2 through a fixing frame 11, a pair of strip-shaped support boards 18 on the lower surface of the strip-shaped mounting base 1 are convenient for being lapped on the fixed outer side of the outside, a plurality of horizontal screw rods 19 on the side surface of each strip-shaped support board 18 are convenient for being screwed and fixed, each strip-shaped support board 18 is connected with the lower surface of the strip-shaped mounting base 1 through a multi-fork fixing frame 17, wherein lie in the annular supporting base 20 of vertical support frame 2 upper surface and be convenient for when making one pile up placing this device, support, wherein lie in the circular supporting bulge 21 of a plurality of annular supporting base 20 upper surface and be convenient for insert in a plurality of circular recess of another bar mounting base 1 lower surface, be convenient for connect reliably, wherein lie in that the handle 22 of holding on every arc protecting crust 15 outside surface is convenient for hold and is carried out the wobbling, wherein lie in the vertical support frame 2 left and right sides and with every arc protecting crust 15 side surface overlap joint a pair of vertical elastic sealing block 23 be convenient for sealedly, every vertical elastic sealing block 23 all inlays to be connected through vertical carriage 24 and vertical support frame 2 side surface.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a noise control equipment of combination formula for environmental protection engineering, includes bar mounting base (1), its characterized in that, bar mounting base (1) upper surface is equipped with the noise control mechanism of combination formula, bar mounting base (1) lower surface is equipped with supports fixed establishment, the noise control mechanism of combination formula mainly by set up vertical support frame (2) at the center department of bar mounting base (1) upper surface, fixed connection a pair of book shape interception frame (3) on vertical support frame (2) upper end double-phase contralateral surface, inlay vertical slide rail (4) of double-phase contralateral surface upper end department around vertical support frame (2), sliding block (5) of setting in every vertical slide rail (4), set up at every bar supporting shoe (6) upper surface of sliding block (5), processing at the horizontal sliding groove of every bar supporting shoe (6) upper surface, A horizontal sliding block (5) arranged in each sliding groove, a lifting swing plate (7) which is connected with the upper surface of the horizontal sliding block (5) by a chain and is matched with the corresponding folding intercepting frame (3), a pair of sound absorbing sponges (8) which are embedded on the front and back surfaces of the vertical supporting frame (2) and are positioned on the inner side of the vertical sliding rail (4), a U-shaped sound insulating plate (9) sleeved on each lifting swing plate (7), two pairs of fixing pieces (10) which are arranged on the two sides of each U-shaped sound insulating plate (9) and between the lifting swing plates (7), a pair of fixing frames (11) which are fixedly connected on the left and right opposite side surfaces of the vertical supporting frame (2), a folding round rod (12) fixedly connected on the outer side surface of each fixing frame (11), a vertical strip frame (13) sleeved on each folding round rod (12), a rotating double-joint arm (14) embedded in the center of the outer side surface of each vertical, The sound-absorbing structure comprises arc protective shells (15) which are arranged on the end faces of the rotating double-section arms (14) and matched with the strip-shaped mounting base (1), and porous sound-absorbing cotton (16) arranged on the inner side surfaces of the arc protective shells (15).
2. The combined noise control device for the environmental protection engineering according to claim 1, wherein the supporting and fixing mechanism mainly comprises a plurality of strip-shaped slots machined at the lower ends of the front and rear opposite side surfaces of the strip-shaped mounting base (1), a plurality of fork fixing frames (17) arranged at the front and rear sides of the strip-shaped mounting base (1) and corresponding to the plurality of strip-shaped slots, strip-shaped support plates (18) fixedly connected to one end of the lower surface of each fork fixing frame (17), and a plurality of horizontal screws (19) arranged on the side surface of each strip-shaped support plate (18).
3. The combined noise control device for environmental protection engineering according to claim 1, wherein the upper surface of the vertical support frame (2) is fixedly connected with an annular support base (20).
4. The combined noise control device for environmental protection engineering according to claim 3, wherein a plurality of circular support protrusions (21) are fixedly connected to the lower surface of the annular support base (20).
5. The combined noise control equipment for the environmental protection engineering according to claim 1 or 4, wherein a plurality of bearing grooves matched with the plurality of circular protrusions (21) are fixedly connected to the center of the lower surface of the strip-shaped mounting base (1).
6. The combined noise control apparatus for environmental protection engineering according to claim 1, wherein each of the fixing members (10) is a fixing screw.
7. The combined noise control apparatus for environmental protection engineering according to claim 1, wherein a hand grip (22) is hinged to an outer side surface of each of the arc-shaped protection cases (15).
8. The combined noise control device for environmental protection engineering according to claim 1 or 7, wherein the outer surface of each arc-shaped protection shell (15) is provided with an arc-shaped bearing groove corresponding to the handle grip (22).
9. The combined noise control equipment for environmental engineering according to claim 1, wherein a pair of vertical elastic sealing blocks (23) lapped with the arc-shaped protective shell (15) are fixedly connected to both ends of the left and right opposite side surfaces of the vertical supporting frame (2).
10. The combined noise control equipment for environmental protection engineering according to claim 1 or 9, characterized in that each of the vertical elastic sealing blocks (23) is connected with the side surface of the vertical support frame (2) through a vertical sliding frame (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911364390.XA CN111074804A (en) | 2019-12-26 | 2019-12-26 | Environmental protection engineering is with noise prevention and cure equipment of combination formula |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911364390.XA CN111074804A (en) | 2019-12-26 | 2019-12-26 | Environmental protection engineering is with noise prevention and cure equipment of combination formula |
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| CN111074804A true CN111074804A (en) | 2020-04-28 |
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| CN201911364390.XA Pending CN111074804A (en) | 2019-12-26 | 2019-12-26 | Environmental protection engineering is with noise prevention and cure equipment of combination formula |
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Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1018237A (en) * | 1996-06-28 | 1998-01-20 | Bridgestone Corp | Soundproof unit |
| TW386121B (en) * | 1997-12-01 | 2000-04-01 | Bridgestone Corp | Insulation wall |
| JP2001003321A (en) * | 1999-06-25 | 2001-01-09 | Iida Kazuyoshi | Y-shaped sound-proof wall |
| CN2457194Y (en) * | 2000-12-14 | 2001-10-31 | 上海申华声学装备有限公司 | Arc type sound absorption screen |
| JP2002061122A (en) * | 2000-08-18 | 2002-02-28 | Iida Kazuyoshi | Y-shaped soundproof wall |
| CN205875002U (en) * | 2016-06-27 | 2017-01-11 | 安徽忠明建设工程有限公司 | Motorway double -sided sound absorption barrier |
| CN206599740U (en) * | 2017-02-15 | 2017-10-31 | 云南创敏科技有限公司 | A kind of splendid noise treatment device of soundproof effect |
| CN206655340U (en) * | 2017-04-07 | 2017-11-21 | 中铁电气化局集团北京建筑工程有限公司 | A kind of noise reducing device of railway station building |
| CN206815202U (en) * | 2017-03-25 | 2017-12-29 | 河北福朗斯金属丝网制品有限公司 | Self-balancing sound barrier |
| CN207017173U (en) * | 2017-05-27 | 2018-02-16 | 新昌县新诚工业产品设计有限公司 | A kind of traffic noise barrier with safeguard function |
| CN108221726A (en) * | 2018-02-27 | 2018-06-29 | 南京工业职业技术学院 | A kind of road sound-proofing board |
| CN207714174U (en) * | 2017-12-22 | 2018-08-10 | 成都齐创友康环保科技有限公司 | A kind of folded form highway sound-proof wall |
| CN108532481A (en) * | 2018-06-07 | 2018-09-14 | 成都益睿信科技有限公司 | A kind of novel overhead sound panel of the environment-friendly type being easily installed |
| CN108611997A (en) * | 2018-03-23 | 2018-10-02 | 华东交通大学 | A kind of compound sound barrier |
| CN108708312A (en) * | 2018-05-23 | 2018-10-26 | 江苏金阳交通工程有限公司 | A kind of adjustable sound barrier |
| CN108729367A (en) * | 2018-04-26 | 2018-11-02 | 华东交通大学 | A kind of compound noise barrier structure based on phonon crystal |
| CN208106083U (en) * | 2018-04-19 | 2018-11-16 | 欧阳宇飞 | Town road temporary construction protective fence |
| CN109137767A (en) * | 2018-10-26 | 2019-01-04 | 苏州岸肯电子科技有限公司 | A kind of noise barrier |
| CN208701525U (en) * | 2018-08-23 | 2019-04-05 | 深圳市双禹王声屏障工程技术有限公司 | A kind of vertical type sound barrier that high intensity is convenient for safeguarding |
| CN208701526U (en) * | 2018-08-23 | 2019-04-05 | 深圳市双禹王声屏障工程技术有限公司 | A kind of semiclosed sound barrier that weather resistance is strong |
| CN208763224U (en) * | 2018-08-22 | 2019-04-19 | 国网湖南省电力有限公司 | A kind of telescopic sound absorption module |
| CN209722784U (en) * | 2018-12-18 | 2019-12-03 | 中国电建市政建设集团有限公司 | A kind of highway soundproof plate |
-
2019
- 2019-12-26 CN CN201911364390.XA patent/CN111074804A/en active Pending
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1018237A (en) * | 1996-06-28 | 1998-01-20 | Bridgestone Corp | Soundproof unit |
| TW386121B (en) * | 1997-12-01 | 2000-04-01 | Bridgestone Corp | Insulation wall |
| JP2001003321A (en) * | 1999-06-25 | 2001-01-09 | Iida Kazuyoshi | Y-shaped sound-proof wall |
| JP2002061122A (en) * | 2000-08-18 | 2002-02-28 | Iida Kazuyoshi | Y-shaped soundproof wall |
| CN2457194Y (en) * | 2000-12-14 | 2001-10-31 | 上海申华声学装备有限公司 | Arc type sound absorption screen |
| CN205875002U (en) * | 2016-06-27 | 2017-01-11 | 安徽忠明建设工程有限公司 | Motorway double -sided sound absorption barrier |
| CN206599740U (en) * | 2017-02-15 | 2017-10-31 | 云南创敏科技有限公司 | A kind of splendid noise treatment device of soundproof effect |
| CN206815202U (en) * | 2017-03-25 | 2017-12-29 | 河北福朗斯金属丝网制品有限公司 | Self-balancing sound barrier |
| CN206655340U (en) * | 2017-04-07 | 2017-11-21 | 中铁电气化局集团北京建筑工程有限公司 | A kind of noise reducing device of railway station building |
| CN207017173U (en) * | 2017-05-27 | 2018-02-16 | 新昌县新诚工业产品设计有限公司 | A kind of traffic noise barrier with safeguard function |
| CN207714174U (en) * | 2017-12-22 | 2018-08-10 | 成都齐创友康环保科技有限公司 | A kind of folded form highway sound-proof wall |
| CN108221726A (en) * | 2018-02-27 | 2018-06-29 | 南京工业职业技术学院 | A kind of road sound-proofing board |
| CN108611997A (en) * | 2018-03-23 | 2018-10-02 | 华东交通大学 | A kind of compound sound barrier |
| CN208106083U (en) * | 2018-04-19 | 2018-11-16 | 欧阳宇飞 | Town road temporary construction protective fence |
| CN108729367A (en) * | 2018-04-26 | 2018-11-02 | 华东交通大学 | A kind of compound noise barrier structure based on phonon crystal |
| CN108708312A (en) * | 2018-05-23 | 2018-10-26 | 江苏金阳交通工程有限公司 | A kind of adjustable sound barrier |
| CN108532481A (en) * | 2018-06-07 | 2018-09-14 | 成都益睿信科技有限公司 | A kind of novel overhead sound panel of the environment-friendly type being easily installed |
| CN208763224U (en) * | 2018-08-22 | 2019-04-19 | 国网湖南省电力有限公司 | A kind of telescopic sound absorption module |
| CN208701525U (en) * | 2018-08-23 | 2019-04-05 | 深圳市双禹王声屏障工程技术有限公司 | A kind of vertical type sound barrier that high intensity is convenient for safeguarding |
| CN208701526U (en) * | 2018-08-23 | 2019-04-05 | 深圳市双禹王声屏障工程技术有限公司 | A kind of semiclosed sound barrier that weather resistance is strong |
| CN109137767A (en) * | 2018-10-26 | 2019-01-04 | 苏州岸肯电子科技有限公司 | A kind of noise barrier |
| CN209722784U (en) * | 2018-12-18 | 2019-12-03 | 中国电建市政建设集团有限公司 | A kind of highway soundproof plate |
Non-Patent Citations (3)
| Title |
|---|
| 中国铁道学会: "《市域铁路设计规范 中国铁道学会标准 T/CRS C0101-2017》", 30 April 2017, 中国铁道出版社 * |
| 刘岩: "《车辆噪声与振动控制》", 30 April 2014, 中国铁道出版社 * |
| 高大文等: "《环境工程学》", 31 July 2017, 哈尔滨工业大学出版社 * |
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Application publication date: 20200428 |
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