CN208309469U - A kind of assembled road guard with viscous damper and acoustic barrier system - Google Patents

A kind of assembled road guard with viscous damper and acoustic barrier system Download PDF

Info

Publication number
CN208309469U
CN208309469U CN201820748728.6U CN201820748728U CN208309469U CN 208309469 U CN208309469 U CN 208309469U CN 201820748728 U CN201820748728 U CN 201820748728U CN 208309469 U CN208309469 U CN 208309469U
Authority
CN
China
Prior art keywords
hole
acoustic barrier
viscous damper
barrier
sound
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.)
Active
Application number
CN201820748728.6U
Other languages
Chinese (zh)
Inventor
张延年
刘霖
刘一霖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Jiachen Construction Engineering Co.,Ltd.
Original Assignee
Shenyang Jianzhu University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenyang Jianzhu University filed Critical Shenyang Jianzhu University
Priority to CN201820748728.6U priority Critical patent/CN208309469U/en
Application granted granted Critical
Publication of CN208309469U publication Critical patent/CN208309469U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)

Abstract

The utility model belongs to field of road traffic, more particularly to a kind of assembled road guard with viscous damper and acoustic barrier system.It includes precast spliced guardrail pier, double wave plate, trapezoidal clump weight, high density polyurethane foam, viscous damper, column, acoustic barrier etc..The design of the utility model structure is simple, and linear conical tubular echo hole is had on sound barrier, can absorb sound wave caused by vehicle noise and vibration, play good soundproof effect, reduce the constriction of driver.Guardrail pier and acoustic barrier main body fitted bolt use spliced installation simultaneously, it can quickly be installed, viscous damper is housed inside guardrail pier, if portion of energy can be absorbed when colliding with vehicle, reduce the injury to vehicle and personnel, with good practicability, product has substantive distinguishing features and the marked improvement of protrusion compared to existing technologies.

Description

A kind of assembled road guard with viscous damper and acoustic barrier system
Technical field
The utility model belongs to field of road traffic, more particularly to a kind of assembled road guard with viscous damper With acoustic barrier system.
Background technique
In recent years, with the rapid development of domestic expressway construction, safety barrier and road sound insulation barrier market are continuous Expand.But since the product in the production in China and uses the time less than 10 years, product standard promulgates only 5 or six years, national standard It promulgates rigid 2 years, manufacturer is different to the performance of the product, technical parameter, production technology grasp, causes this product Quality it is very different.The guardrail product that some sections are dealt with improperly due to using anticorrosion process, few then time one or two years, shield Column just has rusty stains, and not only affects the visual effect of highway, also substantially reduces the effective life of guardrail, while Increase maintenance cost.Road sound insulation barrier sound eliminates system and too simple rough, road sound insulation effect bad luck is arranged, simultaneously Process is tedious when installing guardrail and acoustic barrier for the prior art, long construction period, the globality poor of guardrail and acoustic barrier, and Guardrail can not carry out secondary recovery utilization after removing, and do not meet the state basic policy of China's sustainable development, occupy and consume and is excessive Manpower and material resources, the utility model provide a kind of new technical solution, can be good at solving the above problems.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of assembled road guard with viscous damper It is simple mainly for developing a kind of structure with acoustic barrier system, it can quickly be installed, short construction period, acoustic efficiency Excellent road guard and acoustic barrier system comprising precast spliced guardrail pier, double wave plate, trapezoidal clump weight, high density are poly- Urethane foam, viscous damper, column, acoustic barrier etc..
The technical solution adopted in the utility model is as follows:
A kind of assembled road guard with viscous damper and acoustic barrier system, comprising: precast spliced guardrail pier, end Cushion cap, double wave plate, high density polyurethane foam, viscous damper, plunger, connection key seat, high-strength bolt, reflective membrane, LED are led To band, trapezoidal clump weight, limit plate, bolt A, upright posts of sound barrier, trapezoidal bed course, prefabricated acoustic barrier, bolt B, I-steel, Reserving hole;
The precast spliced guardrail pier is symmetrical arranged along both sides of the road, is welded on the inside of two pieces of precast spliced guardrail piers Limit plate, limit plate described in two pieces are fixed by bolt A;Precast spliced guardrail socle is provided with the end of reserving hole Cushion cap, end cushion cap are wrapped in two pieces of double wave intralamellar parts, hold and are connected between cushion cap and double wave plate, upright posts of sound barrier using bolt B, Double wave plate, upright posts of sound barrier are followed successively by above end cushion cap with reserving hole;High density polyurethane foam is uniformly pasted In precast spliced guardrail pier outer surface, patch is enclosed using three faces, posts reflective membrane on the outside of high density polyurethane foam;Viscous damper It is fixed on connection key seat by plunger, forms zigzag structure between viscous damper and ipsilateral two connections key seat;Connect key seat Be arranged at two waists of precast spliced guardrail pier and at two waist of trapezoidal clump weight, connection key seat and precast spliced guardrail pier, High strength exploitation is all made of between trapezoidal clump weight;LED guidance tape is pasted on I-steel;Trapezoidal clump weight lower bands Fluted, groove size is consistent with two pieces of limit plate outer profile sizes, is connected between trapezoidal clump weight and limit plate using bolt A It connects;
The upright posts of sound barrier include connection hole, upright posts of sound barrier protrusion rib, the T-type hollow cavity edge of a wing, intercolumniation rib, Web, reserving hole, the lower part of upright posts of sound barrier have web, and reserving hole, reserving hole and end cushion cap are had on web The reserving hole positioning of steel plate is consistent;The intercolumniation rib two sides on the upright posts of sound barrier top are T-type hollow cavity, T-type hollow cavity The edge of a wing is flushed with intercolumniation rib, and the upright posts of sound barrier top and bottom are equipped with connection hole, connects hole from left to right successively For the hole B and the hole A, prefabricated acoustic barrier top and bottom be provided with the connection hole of upright posts of sound barrier position the consistent hole A, The hole B, upright posts of sound barrier are located by connecting with prefabricated acoustic barrier by the hole A, the hole B and bolt;The trapezoidal bed course is welded on pre- On system splicing guardrail pier;The prefabricated acoustic barrier section is drum structure, is followed successively by the suction with echo hole from top to bottom Sound-absorbing layer, the photic zone of transparent acrylic, the sound absorbing layer with echo hole;The echo hole is cone tube shape, sectional dimension Larger side is mounted on sound source side, and sectional dimension smaller side, which is mounted on, receives side;The outer fin of the prefabricated acoustic barrier is prefabricated Acoustic barrier core plate two sides are arranged symmetrically;The edge of a wing of the I-steel is welded in below the cushion cap of end, the web of I-steel and sound insulation Barrier column is placed in the same direction.
Further, the viscous damper uses damping energy dissipation material for the damper of silicone oil, and viscous damper is pre- Arrangement 2 ~ 4 inside system splicing guardrail pier, using being arranged symmetrically.
Further, the connection key seat is aluminum alloy material, respectively arranges 1 at two waists of precast spliced guardrail pier respectively ~ 2, using being arranged symmetrically;1 ~ 2 is respectively arranged at trapezoidal two waist of clump weight, using being arranged symmetrically.
Further, it is bonded between the high density polyurethane foam and precast spliced guardrail pier using hot melt adhesive.
Further, the reflective membrane use high intensity level lens seals formula reflective membrane, high density polyurethane foam with it is reflective It is bonded between film using hot melt adhesive.
Further, the echo hole is 20 ~ 30 in prefabricated acoustic barrier transverse direction unit length arrangement quantity, echo Hole is 10 ~ 20 in prefabricated acoustic barrier vertical unit length arrangement quantity.
Further, the prefabricated acoustic barrier core plate uses wood fibre aluminum foam, the polyester wrapped up by glass cloth fine One or more of materials of dimension, melamine foamed plastic or polystyrene are made.
Further, the prefabricated acoustic barrier surface is provided with wave-like striped, and wave paddy peak rib is towards sound source side Protrusion, is alternately arranged with echo hole.
Further, position-limiting hole is had on the trapezoidal bed course, trapezoidal bed course can pass through position-limiting hole and bolt B It is fixed on road surface.
Further, the width of the upright posts of sound barrier is consistent with end cushion cap plate size;T-type hollow cavity flange dimensions Consistent with the outer fin of prefabricated acoustic barrier, the web size of T-type hollow cavity is consistent with prefabricated acoustic barrier core plate size.
The beneficial effects of the utility model
The advantages of the utility model and beneficial effect are a kind of assembled road guards and acoustic screen with viscous damper Barrier system, the linear conical tubular echo hole being arranged on acoustic barrier with good grounds acoustic engineering and sound wave propagating characteristic, can Acoustic wave vibrations caused by vehicle noise are absorbed, play good soundproof effect, while the constriction of driver can be reduced.Guardrail pier Spliced installation is used with acoustic barrier main body fitted bolt, quickly can be installed and be removed, construction period is shortened, improves peace Efficiency is filled, all components are recyclable to be recycled, and sustainable development requirement is met.Viscous damper is housed inside guardrail pier, if Portion of energy can be absorbed when colliding with vehicle, reduce the injury to vehicle and personnel.
Detailed description of the invention
Fig. 1 shows for the structure of a kind of assembled road guard with viscous damper of the utility model and acoustic barrier system It is intended to.
Fig. 2 is the utility model upright posts of sound barrier structural schematic diagram.
Fig. 3 is the prefabricated acoustic barrier structural schematic diagram of the utility model.
Fig. 4 is the precast spliced simple schematic diagram of guardrail pier of the utility model.
In figure: 1 is precast spliced guardrail pier;1-1 is end cushion cap;2 be double wave plate;3 be high density polyurethane foam;4 are Viscous damper;4-1 is plunger;4-2 is connection key seat;4-3 is high-strength bolt;5 be reflective membrane;6 be LED guidance tape;7 are Trapezoidal clump weight;8 be limit plate;9 be bolt;10 be upright posts of sound barrier;10-1 is connection hole;10-2 is vertical for acoustic barrier Column protrudes rib;10-3 is the T-type hollow cavity edge of a wing;10-4 is upright posts of sound barrier stem;10-5 is web;10-6 is preformed hole Hole;11 be trapezoidal bed course;11-1 is position-limiting hole;12 be prefabricated acoustic barrier;12-1 is outer fin;12-2 echo hole;12- 3 transparent acrylics;The prefabricated acoustic barrier core plate of 12-4;12-5 is wave paddy peak rib;13 be bolt;14 be I-steel.
Specific embodiment
In order to further illustrate the utility model, the utility model is retouched in detail with reference to the accompanying drawings and examples It states, but they cannot be interpreted as to the restriction to scope of protection of the utility model:
Embodiment: a kind of assembled road guard with viscous damper and acoustic barrier system, comprising: precast spliced shield Column pier 1, end cushion cap 1-1, double wave plate 2, high density polyurethane foam 3, viscous damper 4, plunger 4-1, connection key seat 4-2, height It is strength bolts 4-3, reflective membrane 5, LED guidance tape 6, trapezoidal clump weight 7, limit plate 8, bolt A9, upright posts of sound barrier 10, trapezoidal Bed course 11, prefabricated acoustic barrier 12, bolt B 13, I-steel 14, reserving hole 10-6;The precast spliced guardrail pier 1 is along road Two sides are symmetrical arranged, and are welded with limit plate 8 on the inside of two pieces of precast spliced guardrail piers 1, limit plate 8 described in two pieces is by bolt A9 is fixed;Precast spliced 1 top of guardrail pier is provided with the end cushion cap 1-1 of reserving hole 10-6, and end cushion cap 1-1 is wrapped in Inside two blocks of double wave plates 2, holds and connected between cushion cap 1-1 and double wave plate 2, upright posts of sound barrier 10 using bolt B 13, with reserved Double wave plate 2, upright posts of sound barrier 10 are followed successively by above the end cushion cap 1-1 of hole 10-6;High density polyurethane foam 3 is uniformly viscous It is attached to precast spliced 1 outer surface of guardrail pier, patch is enclosed using three faces, between high density polyurethane foam 3 and precast spliced guardrail pier 1 It is bonded using hot melt adhesive, reflective membrane 5 is posted on the outside of high density polyurethane foam 3, reflective membrane 5 is anti-using high intensity level lens seals formula Light film is bonded between high density polyurethane foam 3 and reflective membrane 5 using hot melt adhesive;The viscous damper 4 uses damping energy dissipation Material is the damper of silicone oil, and viscous damper 4 arranges 2 ~ 4 inside precast spliced guardrail pier 1, using being arranged symmetrically;It is viscous Stagnant damper 4 is fixed on connection key seat 4-2 by plunger 4-1, shape between viscous damper 4 and ipsilateral two connections key seat 4-2 At zigzag structure;The connection key seat 4-2 is aluminum alloy material, respectively arranges 1 ~ 2 at two waists of precast spliced guardrail pier 1, Using being arranged symmetrically;1 ~ 2 is respectively arranged at 7 liang of waists of trapezoidal clump weight, using being arranged symmetrically;
High-strength bolt 4-3 connection is all made of between connection key seat 4-2 and precast spliced guardrail pier 1, trapezoidal clump weight 7; LED guidance tape 6 is pasted on I-steel 14;Trapezoidal 7 lower bands of clump weight are fluted, groove size and two pieces of 8 foreign steamers of limit plate Wide size is consistent, and bolt A9 connection is used between trapezoidal clump weight 7 and limit plate 8;
The upright posts of sound barrier 10 includes connection hole 10-1, upright posts of sound barrier protrusion rib 10-2, the T-type hollow cavity wing The lower part of edge 10-3, intercolumniation rib 10-4, web 10-5, reserving hole 10-6, upright posts of sound barrier 10 have web 10-5, web The reserving hole 10-6 positioning that reserving hole 10-6, reserving hole 10-6 and end cushion cap steel plate 1-1 are had on 10-5 is consistent;It is described The intercolumniation two sides rib 10-4 on 10 top of upright posts of sound barrier are T-type hollow cavity, and T-type hollow cavity edge of a wing 10-3 and intercolumniation rib 10-4 are neat Flat, 10 top of upright posts of sound barrier and bottom are equipped with connection hole 10-1, and connection hole 10-1 is followed successively by the hole B from left to right With the hole A, prefabricated 12 top of acoustic barrier is provided with bottom connect the consistent A of hole 10-1 positioning with upright posts of sound barrier 10 Hole, the hole B, upright posts of sound barrier 10 are located by connecting with prefabricated acoustic barrier 12 by the hole A, the hole B and bolt;The acoustic barrier is vertical The width of column 10 is consistent with end cushion cap steel plate 1-1 size;The evagination of T-type hollow cavity edge of a wing 10-3 size and prefabricated acoustic barrier 12 Rib 12-1 is consistent, and the web 10-5 size of T-type hollow cavity is consistent with prefabricated acoustic barrier core plate 12-4 size.
The trapezoidal bed course 11 is welded on precast spliced 1 upper trapezoid bed course 11 of guardrail pier with position-limiting hole 11-1, ladder Shape bed course 11 can be fixed on road surface by position-limiting hole 11-1 and bolt B 13.
12 section of prefabricated acoustic barrier is drum structure, is followed successively by the sound-absorbing with echo hole 12-2 from top to bottom Layer, the photic zone of transparent acrylic 12-3, the sound absorbing layer with echo hole 12-2;12 surface of the prefabricated acoustic barrier setting There is wave-like striped, wave paddy peak rib 12-5 is protruded towards sound source side, is alternately arranged with echo hole 12-2;The echo hole Hole 12-2 is cone tube shape, and sectional dimension larger side is mounted on sound source side, and sectional dimension smaller side, which is mounted on, receives side, echo hole Hole 12-2 is 20 ~ 30 in the lateral unit length arrangement quantity of prefabricated acoustic barrier 12, and echo hole 12-2 is in prefabricated acoustic screen Hindering 12 vertical unit length arrangement quantity is 10 ~ 20;The outer fin of the prefabricated acoustic barrier 12 is in prefabricated acoustic barrier core The two sides plate 12-4 are arranged symmetrically;Prefabricated acoustic barrier core plate 12-4 uses wood fibre aluminum foam, the polyester wrapped up by glass cloth One or more of materials of fiber, melamine foamed plastic or polystyrene are made;The edge of a wing of the I-steel 14 is welded in end and holds Below platform 1-1, the web and upright posts of sound barrier 10 of I-steel 14 are placed in the same direction.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the protection scope of the utility model.

Claims (10)

1. a kind of assembled road guard with viscous damper and acoustic barrier system, comprising: precast spliced guardrail pier (1), Hold cushion cap (1-1), double wave plate (2), high density polyurethane foam (3), viscous damper (4), plunger (4-1), connection key seat (4- 2), high-strength bolt (4-3), reflective membrane (5), LED guidance tape (6), trapezoidal clump weight (7), limit plate (8), bolt A(9), every Noise barrier stand column (10), trapezoidal bed course (11), prefabricated acoustic barrier (12), bolt B (13), I-steel (14), reserving hole (10-6);It is characterized by:
The precast spliced guardrail pier (1) is symmetrical arranged along both sides of the road, welding on the inside of two pieces of precast spliced guardrail piers (1) Have limit plate (8), limit plate (8) described in two pieces is fixed by bolt A(9);Band is arranged in precast spliced guardrail pier (1) top There is the end cushion cap (1-1) of reserving hole (10-6), end cushion cap (1-1) is wrapped in two pieces of double wave plates (2) inside, holds cushion cap (1-1) It is connect between double wave plate (2), upright posts of sound barrier (10) using bolt B (13), has the end cushion cap of reserving hole (10-6) Double wave plate (2), upright posts of sound barrier (10) are followed successively by above (1-1);High density polyurethane foam (3) is uniformly pasted onto prefabricated Splice guardrail pier (1) outer surface, encloses patch using three faces, post reflective membrane (5) on the outside of high density polyurethane foam (3);Viscous resistance Buddhist nun's device (4) is fixed in connection key seat (4-2) by plunger (4-1), and viscous damper (4) connect key seat (4-2) with ipsilateral two Between formed zigzag structure;Connection key seat (4-2) is arranged at two waists of precast spliced guardrail pier (1) and trapezoidal counterweight At (7) two waist of block, connects key seat (4-2) and precast spliced guardrail pier (1), trapezoidal clump weight are all made of high-intensitive spiral shell between (7) Bolt (4-3) connection;LED guidance tape (6) is pasted on I-steel (14);Trapezoidal clump weight (7) lower bands are fluted, groove ruler It is very little consistent with two pieces of limit plate (8) outer profile sizes, bolt A(9 is used between trapezoidal clump weight (7) and limit plate (8)) connect;
The upright posts of sound barrier (10) includes connection hole (10-1), upright posts of sound barrier protrusion rib (10-2), T-type hollow cavity The edge of a wing (10-3), intercolumniation rib (10-4), web (10-5), reserving hole (10-6), the lower part of upright posts of sound barrier (10) have Web (10-5) has reserving hole (10-6) on web (10-5), the preformed hole of reserving hole (10-6) and end cushion cap steel plate Hole (10-6) positioning is consistent;The intercolumniation rib two sides (10-4) on upright posts of sound barrier (10) top are T-type hollow cavity, and T-type is empty The chambers of the heart edge of a wing (10-3) is flushed with intercolumniation rib (10-4), and upright posts of sound barrier (10) top and bottom are equipped with connection hole (10-1), connection hole (10-1) are followed successively by the hole B and the hole A from left to right, and prefabricated acoustic barrier (12) top is provided with bottom It connect hole (10-1) with upright posts of sound barrier (10) and positions the consistent hole A, the hole B, upright posts of sound barrier (10) and prefabricated sound insulation Barrier (12) is located by connecting by the hole A, the hole B and bolt;The trapezoidal bed course (11) is welded on precast spliced guardrail pier (1); Prefabricated acoustic barrier (12) section is drum structure, be followed successively by from top to bottom sound absorbing layer with echo hole (12-2), The photic zone of transparent acrylic (12-3), the sound absorbing layer for having echo hole (12-2);The echo hole (12-2) is circular cone Tubular, sectional dimension larger side are mounted on sound source side, and sectional dimension smaller side, which is mounted on, receives side;The prefabricated acoustic barrier (12) outer fin is arranged symmetrically in prefabricated acoustic barrier core plate (12-4) two sides;The edge of a wing of the I-steel (14) is welded in end Below cushion cap (1-1), the web of I-steel (14) and upright posts of sound barrier (10) are placed in the same direction.
2. a kind of assembled road guard with viscous damper and acoustic barrier system according to claim 1, feature Be: the viscous damper (4) uses damping energy dissipation material for the damper of silicone oil, and viscous damper (4) is precast spliced Arrangement 2 ~ 4 inside guardrail pier (1), using being arranged symmetrically.
3. a kind of assembled road guard with viscous damper and acoustic barrier system according to claim 1, feature Be: the connection key seat (4-2) is aluminum alloy material, respectively arranges 1 ~ 2 at two waists of precast spliced guardrail pier (1) respectively It is a, using being arranged symmetrically;1 ~ 2 is respectively arranged at trapezoidal (7) two waist of clump weight, using being arranged symmetrically.
4. a kind of assembled road guard with viscous damper and acoustic barrier system according to claim 1, feature It is: is bonded between the high density polyurethane foam (3) and precast spliced guardrail pier (1) using hot melt adhesive.
5. a kind of assembled road guard with viscous damper and acoustic barrier system according to claim 1, feature Be: the reflective membrane (5) uses high intensity level lens seals formula reflective membrane, high density polyurethane foam (3) and reflective membrane (5) it Between using hot melt adhesive bond.
6. a kind of assembled road guard with viscous damper and acoustic barrier system according to claim 1, feature Be: the echo hole (12-2) is 20 ~ 30 in the lateral unit length arrangement quantity of prefabricated acoustic barrier (12), echo hole Hole (12-2) is 10 ~ 20 in prefabricated acoustic barrier (12) vertical unit length arrangement quantity.
7. a kind of assembled road guard with viscous damper and acoustic barrier system according to claim 1, feature Be: the prefabricated acoustic barrier core plate (12-4) is using wood fibre aluminum foam, polyester fiber, the trimerization wrapped up by glass cloth One or more of materials of cyanamide foam or polystyrene are made.
8. a kind of assembled road guard with viscous damper and acoustic barrier system according to claim 1, feature Be: prefabricated acoustic barrier (12) surface is provided with wave-like striped, and wave paddy peak rib (12-5) is convex towards sound source side Out, it is alternately arranged with echo hole (12-2).
9. a kind of assembled road guard with viscous damper and acoustic barrier system according to claim 1, feature Be: with position-limiting hole (11-1) on the trapezoidal bed course (11), trapezoidal bed course (11) can by position-limiting hole (11-1) with Bolt B (13) is fixed on road surface.
10. a kind of assembled road guard with viscous damper and acoustic barrier system according to claim 1, feature Be: the width of the upright posts of sound barrier (10) is consistent with end cushion cap plate size;The T-type hollow cavity edge of a wing (10-3) size with The outer fin (12-1) of prefabricated acoustic barrier (12) unanimously, web (10-5) size of T-type hollow cavity and prefabricated acoustic barrier core Plate (12-4) size is consistent.
CN201820748728.6U 2018-05-20 2018-05-20 A kind of assembled road guard with viscous damper and acoustic barrier system Active CN208309469U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820748728.6U CN208309469U (en) 2018-05-20 2018-05-20 A kind of assembled road guard with viscous damper and acoustic barrier system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820748728.6U CN208309469U (en) 2018-05-20 2018-05-20 A kind of assembled road guard with viscous damper and acoustic barrier system

Publications (1)

Publication Number Publication Date
CN208309469U true CN208309469U (en) 2019-01-01

Family

ID=64711821

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820748728.6U Active CN208309469U (en) 2018-05-20 2018-05-20 A kind of assembled road guard with viscous damper and acoustic barrier system

Country Status (1)

Country Link
CN (1) CN208309469U (en)

Similar Documents

Publication Publication Date Title
CN102926334B (en) Cup-shaped noise reduction and sound absorption member
CN105350680B (en) A kind of external wall heat insulation sound absorbent structure
CN207376528U (en) A kind of municipal administration traffic guardrail
CN101725119B (en) Sound barrier for high-speed railway
CN208309469U (en) A kind of assembled road guard with viscous damper and acoustic barrier system
CN201222350Y (en) Acoustical barrier
CN108487139A (en) A kind of assembled road guard with viscous damper and acoustic barrier system
CN208981231U (en) A kind of shrinkable assembled road guard and acoustic barrier system
CN202898918U (en) Insulating protecting cover below steel rail
CN211036805U (en) Town road median
CN209260593U (en) A kind of compound acoustic screen of resonance metal pin hole
CN108532480A (en) With energy-absorbing paste layer assembled road guard and acoustic barrier system
CN110593146A (en) Long service life's road and bridge sound-proof construction
CN208884419U (en) One kind is with energy-absorption box assembled road guard and acoustic barrier system
RU2176004C2 (en) Near-road noise shield
CN201713768U (en) Connecting structure for sound barrier of high-speed railway
KR102272087B1 (en) Maintenance-repair type sound proof wall
CN108677778A (en) A kind of Ecological Road acoustic barrier
CN208632991U (en) With energy-absorbing paste layer assembled road guard and acoustic barrier system
CN208633015U (en) One kind can selfreparing assembled road guard
CN111287103B (en) Sound insulation wall for urban planning expressway
CN103088728B (en) Isolating and protecting cover under rail
CN208633017U (en) Collapsible road safety barrier
CN110593143A (en) Anti-dazzle prevents throwing isolation assembly
KR200448718Y1 (en) Soundproofing wall having a transparent panel

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20200508

Address after: 623000 Old Street, Shuimo Town, Wenchuan County, Aba Tibetan and Qiang Autonomous Prefecture, Sichuan Province (Guoshuang House)

Patentee after: Sichuan Jiachen Construction Engineering Co.,Ltd.

Address before: 110168 Liaoning province Shenyang Hunnan Hunnan Road No. 9

Patentee before: SHENYANG JIANZHU University

TR01 Transfer of patent right