KR200184697Y1 - Sound arresting plate - Google Patents

Sound arresting plate Download PDF

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Publication number
KR200184697Y1
KR200184697Y1 KR2019990030700U KR19990030700U KR200184697Y1 KR 200184697 Y1 KR200184697 Y1 KR 200184697Y1 KR 2019990030700 U KR2019990030700 U KR 2019990030700U KR 19990030700 U KR19990030700 U KR 19990030700U KR 200184697 Y1 KR200184697 Y1 KR 200184697Y1
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South Korea
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request
supported
plate
support
sound
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KR2019990030700U
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Korean (ko)
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이종현
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이종현
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0017Plate-like elements

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)

Abstract

본 고안은 굴곡형상의 차음판이 내·외지주의 사이에 일정간격으로 다수 끼워져 지지, 고정되고, 일정간격으로 간설되어 있는 지주의 배면에는 1,2차 흡음재의 지지 및 간극유지를 위한 지지바가 끼워져 흡음 및 방음효과를 높이고, 방음판의 외관적 환경미를 높일 수 있게 한 것으로서, 사각형상의 외지주(2) 내에 내지주(3)가 끼워져 지지됨에 있어, 전면에 요구(4)가 절개, 형성되어 있고, 이 요구(4)에 차음판(5)이 끼워져 지지 고정됨에 있어, 차음판(5)의 상단편(5')이 외지주(2)의 요구(4), 걸림턱(6)에 걸려 지지되도록 내지주(3)의 요구(4) 상단면(3')과 요구면(3')이 받쳐주도록 되어 있으며, 동시에 내지주(3)의 탄편(7) 선단면이 요구(4)의 상단면(2')에 받쳐 고정,지지되도록 되어 있고, 배면에 수직 절개공(8)이 형성되어 지지바(9)가 끼워짐에 있어, 지지바(9)의 상·하단에 걸림편(10)이 직교로 형성, 돌출되어 있고, 상단면에 걸림편(10')이 부착되어 일체화 되어 있으며, 동시에 상향 경사면을 이루는 지지구(11)가 전·후면에 다수 요설되어 흡음재(12)(12')의 처짐이 방지되게 하는 것을 특징으로 하는 방음판.According to the present invention, a plurality of curved sound insulating boards are supported and fixed at regular intervals between internal and external notes, and support bars for supporting the first and second sound absorbing materials and holding gaps are inserted into the back of the support, which is stated at regular intervals. And to increase the soundproofing effect and to enhance the external environmental beauty of the soundproofing plate, and the supporters 3 are inserted and supported in the rectangular outer periphery 2 so that the request 4 is cut and formed on the front surface. In this case, the sound insulating plate 5 is fitted and fixed to the request 4 so that the upper end 5 'of the sound insulating plate 5 is caught by the request 4 and the locking jaw 6 of the outer circumference 2. The top surface 3 'and the request surface 3' of the request 4 of the tomb 3 are supported so as to be supported, and at the same time, the tip end face of the bullet piece 7 of the tomb 3 is It is fixed to and supported by the upper end surface 2 ', and a vertical incision hole 8 is formed in the back surface, so that the support bar 9 is fitted, so that the support bar 9 The upper and lower locking pieces 10 are orthogonally formed and protruded, and the locking pieces 10 'are attached to the upper end and integrated, and at the same time, there are a plurality of support members 11 forming an upwardly inclined surface. Soundproof plate, characterized in that the deflection of the sound absorbing material (12) (12 ') is prevented.

Description

방음판{Sound arresting plate}Soundproof plate {Sound arresting plate}

본 고안은 굴곡형상의 차음판이 간설되어 있는 지주에 일정 간격으로 배열 고정 지지되게 한 방음판에 관한 것으로, 더 상세하게는 굴곡형상의 차음판이 내·외 지주의 사이에 일정 간격으로 다수 끼워져 지지, 고정되고, 일정간격으로 간설되어 있는 지주의 배면에는 1,2차 흡음재의 지지 및 간극 유지를 위한 지지바가 끼워져 흡음 및 방음효과를 높이고, 방음판의 외관적 환경미를 높일 수 있게 한 것이다.The present invention relates to a sound insulation board which is arranged and supported at fixed intervals on a support which is curved soundproof plate is installed, more specifically, a plurality of curved sound insulation boards are supported and fixed at regular intervals between inner and outer support posts. In addition, the support bar for supporting the primary and secondary sound absorbing materials and maintaining the gap is inserted into the rear surface of the post, which is briefly spaced at regular intervals, to increase the sound absorbing and soundproofing effects, and to enhance the external environmental beauty of the soundproof plate.

종래의 방음판은 전면판에 다수의 흡음공이 천공 또는 형성되어 있고, 그 배면에 흡음재가, 또는 흡음재 사이에 간극이 이루어지게 한 방음판이 주종을 이루고 있었고, 이와 같은 방음판의 공간 점유 범위 내에서 방음효과를 높이기 위한 수단의 일환으로 방음 면적을 넓히기 위하여 전면판의 형상을 호형으로, 또는 경사면을 이루도록 하는 등의 것이 있었으나, 이들 모두다 전면판의 방음 면적을 넓히기 위한 변형에 한계가 있었고, 전면판이 철판으로 되어 있어서 그 색상이 획일적이어서 미관 환경에 영향이 있었으며, 장기간 사용되면 흡음재가 하부로 다져서 상부에는 흡음효과가 상실되는 등의 문제점이 있었다.In the conventional soundproofing plate, a plurality of sound absorbing holes are formed on the front plate, and sound absorbing material is formed on the rear surface of the soundproofing plate or gaps between the sound absorbing material. In order to increase the sound insulation area, the shape of the front plate was formed to be arc-shaped, or to form an inclined surface as part of the means to increase the surface area, but all of them had limitations to the deformation to increase the soundproof area of the front plate, and the front plate was iron plated. Since the color was uniform, there was an effect on the aesthetic environment, and when used for a long time, the sound absorbing material was compacted to the lower part, and the upper part had a problem such as the sound absorbing effect being lost.

또한, 전면판의 획일적인 외관적 환경미를 개량하기 위한 것으로서 실용신안공고번호 제93-6163호 '방음판'에서 알루미늄재를 전면판으로 이용한 것이 있으나, 이는 단순히 흡음재를 보호하는 케이스 기능에 불과한 것이었다.In addition, to improve the uniform appearance and environmental beauty of the front panel, utility model notification No. 93-6163 'soundproof plate' used aluminum material as the front plate, but it was merely a case function to protect the sound absorbing material. .

본 고안은 상기한 문제점을 해결하고자 안출된 것으로서, 본 고안의 목적은 알루미늄재를 칼러풀(COLOR FULL)하게 사용하여 외관적 환경미를 개선시킴과 동시에 음파의 흡입부와 입사각 및 반사각의 난반사면을 넓게 하여 상호 간섭으로 소거되게 하는 차음판이 다수 일정간격으로 적층되어 있는 방음판을 제공하고자 한다.The present invention was devised to solve the above problems, and an object of the present invention is to use an aluminum material (COLOR FULL) to improve the appearance environmental appearance and at the same time the diffuse reflection surface of the suction part and incident angle and reflection angle of the sound wave In order to provide a sound insulation board in which a plurality of sound insulation panels, which are widened by mutual interference, are stacked at a predetermined interval.

이와 같은 목적을 달성하기 위하여 본 고안은 방음판상의 전면부에 내·외지주가 끼워진 채 간설되어 있고, 내·외지주의 전면에는 요구가 요설된 굴곡형상의 차음판이 그 사이에 끼워져 지지 고정되어 있으며, 내·외지주의 배면에는 1,2차 흡음재를 지지 유지시키며, 흡음재 사이에서 간극을 유지시키는 지지바가 끼워져 있는 것을 특징으로 한다.In order to achieve the above object, the present invention has been described with the inner and outer circumference inserted in the front part on the soundproof plate, and the curved sound insulation plate with the required requirement is sandwiched between and fixed in the front of the inner and outer circumference. The back of the outer periphery is characterized in that the support bar for holding and holding the first and second sound absorbing materials and maintaining the gap between the sound absorbing materials.

도 1은 본 고안의 요부 발췌 분리사시도.Figure 1 is an exploded perspective view of the main part extract of the present invention.

도 2는 본 고안의 요부 발췌 결합상태사시도.Figure 2 is a perspective view of the main portion extracted extract of the present invention.

도 3은 본 고안의 요부 발췌 종단면도.3 is a longitudinal sectional view showing main parts of the present invention.

도 4는 본 고안의 요부 발췌 배면분리사시도.Figure 4 is an exploded perspective view of the main part excerpt of the present invention.

도 5는 본 고안이 사용되어 적층상태를 나타내는 일부발췌 단면도.5 is a partial cross-sectional view showing a laminated state using the present invention.

도 6은 본 고안이 사용되는 상태를 나타낸 도면.6 is a view showing a state in which the present invention is used.

도 7은 본 발명의 요부인 내·외지주와 차음판이 결합된 상태의 평면도.Figure 7 is a plan view of the inner and outer circumference which is the main part of the present invention and the sound insulation plate is coupled.

도 8은 도 7에서 나타낸 A-A선 단면도.8 is a cross-sectional view taken along the line A-A shown in FIG.

※ 도면의 주요부분에 대한 부호의 설명※ Explanation of code for main part of drawing

1 : 방음판 2 : 외지주1: soundproof plate 2: outer periphery

3 : 내지주 2',3',5 : 상단면3: to 2 ', 3', 5: top surface

3' : 단턱 4 : 요구3 ': step 4: request

5 : 차음판 6 : 걸림턱5: sound insulation plate 6

7 : 탄편 8 : 절개공7: bullet casing 8: incision hole

9 : 지지바 10,10' : 걸림편9: Supporting Bar 10,10 ': Hanging Piece

11 : 지지구 12,12' : 흡음재11 support 12,12 'sound absorbing material

13 : 연장판 14 : 커버13: extension 14: cover

A : 지지공A: supporter

이하 본 고안을 첨부된 도면에 의거하여 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 1 및 도 4는 본 고안의 요부발췌 분리사시도이고, 도 2는 본고안의 요부발췌 결합상태사시도이며, 도 3은 본 고안의 요부 종단면도이고, 도 5는 본 고안이 사용되는 적층상태의 단면도이며, 도 6은 본 고안이 사용되는 상태를 나타내는 도면이고, 도 7은 본 발명의 요부인 내·외지주와 차음판이 결합된 상태의 평면도이며, 도 8은 도 7에서 나타낸 A-A선 단면도로서 방음판(1)상에 간설되어 있는 사각형상의 외지주(2) 내에 내지주(3)가 끼워져 지지됨에 있어, 전면에 요구(4)가 절개, 형성되어 있고, 이 요구(4)에 굴곡형상의 차음판(5)이 끼워져 지지 고정됨에 있어 차음판(5)의 상단편(5')이 외지주(2)의 요구(4)에 하향 돌출된 걸림턱(6)에 걸려 지지되도록 내지주(3)의 요구(4) 단턱(3')이 밀어주도록 되어 있고, 요구면(3')이 받쳐 주도록 되어 있으며, 동시에 내지주(3)의 전면 중앙에 하향 돌출된 탄편(7)의 선단면이 외지주(2)의 요구(4) 상단면(2')에 받쳐 고정,지지되도록 되어 있다.1 and 4 is an exploded perspective view of the main part extract of the present invention, Figure 2 is an exploded perspective view of the state of the main part extract coupling of the present invention, Figure 3 is a longitudinal cross-sectional view of the main part of the present invention, Figure 5 is a cross-sectional view of the laminated state in which the present invention is used 6 is a view illustrating a state in which the present invention is used, and FIG. 7 is a plan view of a state in which an inner / outer circumference and a sound insulation plate are combined, which is a main part of the present invention, and FIG. 8 is a cross-sectional view taken along line AA of FIG. 7. In the outer periphery (2) of the rectangular outer periphery (2) sandwiched on (1), the support (3) is inserted and supported, the request (4) is cut out and formed on the front surface, the curved sound insulation in this request (4) When the plate 5 is fitted and fixed, the upper end 5 'of the sound insulation plate 5 is supported by the catching jaw 6 protruding downward from the request 4 of the outer circumference 2. The step 4 'of the request 4) is to be pushed, and the request surface 3' is supported, and at the same time The front end face of the bullet piece 7 projecting downward in the front center of (3) is fixed and supported by the upper end surface 2 'of the request | requirement 4 of the outer periphery 2.

또한, 내·외지주(3)(2)의 상부 측면에 천공된 지지공(A)으로 지지핀 등이 끼워져 지지 고정되도록 되어 있다. 배면에는 내·외지주(3)(2)상에 수직 절개공(8)이 형성되어 지지바(9)가 끼워짐에 있어, 지지바(9)의 상·하단이 한 방향으로 직각 굴곡된 채 그 상단에는 걸림편(10)이 직교로 형성, 돌출되어 있고, 하단에는 걸림편(10)과 돌출편(10')이 돌출되어 있으며, 상단면에 걸림편(10')이 부착되어 있고, 동시에 상향 경사면을 이루며 요설된 다수의 지지구(11)가 전·후면에 형성된 지지바(9)에 의하여 흡음재(12)(12')간에 간극이 형성되며 지지 고정된다.In addition, the support pins are inserted into the support holes A drilled on the upper side surfaces of the inner and outer circumferences 3 and 2 so that the support pins are supported and fixed. On the back, vertical cutting holes 8 are formed on the inner and outer circumferences 3 and 2 so that the support bar 9 is fitted so that the upper and lower ends of the support bar 9 are bent at right angles in one direction. At the top of the shaft, the engaging piece 10 is formed or projected at right angles, and the engaging piece 10 and the protruding piece 10 'protrude at the lower end thereof, and the engaging piece 10' is attached to the upper end thereof. At the same time, a plurality of supports 11, which are formed at an upwardly inclined surface, are supported and fixed by a support bar 9 formed on the front and rear surfaces, and a gap is formed between the sound absorbing materials 12 and 12 '.

그리고, 방음판(1)의 상부에 배치되는 차음판(5)만은 일체로 연장판(13)으로 연장되어, 그 선단이 커버(14)의 선단을 감싸 리벳팅되는 구조로 구성되어 있다.And only the sound insulation board 5 arrange | positioned at the upper part of the sound insulation board 1 is integrally extended by the extension board 13, and the front end is comprised by the structure which wraps around the front end of the cover 14, and rivets.

미설명부호 15는 리벳이고, 16은 H빔이며, 17은 실링재이고, 18은 고정바이며, 18'는 고정구멍이다.Reference numeral 15 is a rivet, 16 is an H beam, 17 is a sealing material, 18 is a fixing bar, and 18 'is a fixing hole.

이와 같이 구성된 본 고안의 작용을 설명하면 다음과 같다.Referring to the operation of the present invention configured as described above are as follows.

내·외지주(3)(2)가 끼워지고, 내·외지주(3)(2)의 각 요구(4)에 차음판(5)의 상단편(5')이 끼워지게 한 다음, 내지주(3)를 외지주(2) 속으로 더 깊게 밀어 끼워주면 내지주(3)의 상단면(3')이 차음판(5)의 상단편(5') 하부를 밀어 걸림턱(6)에 밀착시킴과 동시에 내지주(3)의 요구면(3')에 받쳐 끼워져 지지되도록 한다.The inner and outer holders 3 and 2 are fitted, and the upper end 5 'of the sound insulation panel 5 is fitted into each request 4 of the inner and outer holders 3 and 2. Pushing the support (3) deeper into the outer periphery (2), the upper surface (3 ') of the main column (3) pushes the lower end of the upper end (5') of the sound insulating plate (5) the locking jaw (6) At the same time as being in close contact with each other, it is supported by being supported by the required surface 3 'of the tomb 3.

동시에, 이와 같이 내지주(3)와 외지주(2)의 각 요구(4)에 굴곡형상의 차음판(5)이 끼워지면서 내지주(3)의 전면에 하향 돌출되어 있는 탄편(7)의 선단면이 외지주(2) 요구(4) 상단면(2')에 받쳐져 고정되게 된다.At the same time, the curved sound insulating plate 5 is fitted to each of the requests 4 of the torrent 3 and the outer circumference 2 as described above. The tip surface is supported by the top end 2 'of the outer periphery 2 request 4 to be fixed.

또한, 내·외지주(3)(2) 상부 측면에 천공된 지지공(A)으로 지지핀 등을 끼워 고정시킬 수도 있다.In addition, it is also possible to fix the support pins and the like by the support hole (A) punched in the upper side of the inner and outer circumference (3) (2).

이와 같이 차음판(5)이 끼워져 있는 상태의 내·외지주(3)(2)간과 그 배면상에 흡음재(12)를 비닐 포장된 상태로 배열한 후 지지바(9)의 상단 걸림편(10)이 내·외지주(3)(2) 내측으로 끼워져 걸림편(10')에 의하여 하부로의 처짐이 방지되게 한 다음, 하단의 돌출편(10')이 절개공(8) 내로 끼워져 좌·우이동이 방지된다.In this way, the sound absorbing material 12 is arranged in a vinyl-packed state between the inner and outer circumferences 3 and 2 with the sound insulation panel 5 fitted therein, and then the upper locking piece of the support bar 9 ( 10) is inserted into the inner and outer circumference (3) (2) to prevent sagging to the lower side by the locking piece (10 '), and then the lower projection (10') is inserted into the incision hole (8) Left and right movements are prevented.

이와 같은 상태에서 방음판(1) 크기의 흡음재(12')를 지지바(9)상에 배치한 후 커버(14)로 덮어씌움에 있어, 차음판(5)의 연장판(13)과 커버(14)의 선단면이 함께 리벳(15) 고정되고, 커버(14)의 하단면은 내·외지주(3)(2)의 하단 하부에 부착 고정된다.In this state, the sound absorbing material 12 'of the size of the sound insulating plate 1 is disposed on the support bar 9 and then covered with the cover 14, so that the extension plate 13 and the cover of the sound insulating plate 5 ( The front end surface of 14) is fixed together with the rivet 15, and the lower end surface of the cover 14 is attached and fixed to the lower end of the inner and outer circumference (3) (2).

그리고 측면판은 그 형상에 맞추어 상호 부착 고정되게 하여 각 방음판(1)을 완성한다.The side plates are attached to each other in accordance with the shape thereof to complete each soundproof plate 1.

이와 같이 완성된 방음판(1)은 내·외지주(3)(2)와 지지바(9) 사이에, 그리고 지지바(9)와 커버(14) 사이에 각각 끼워진 흡음재(12)(12')는 지지바(9)의 두께에 의하여 간극이 형성된 채 동시에 지지구(11)에 걸려져 하부로의 처짐이 방지된다.The sound insulation board 1 thus completed is a sound absorbing material 12, 12 'sandwiched between the inner and outer circumferences 3, 2 and the support bar 9, and between the support bar 9 and the cover 14, respectively. ) Is caught by the support 11 at the same time while the gap is formed by the thickness of the support bar (9) to prevent sagging to the bottom.

이와 같이 완성된 방음판(1)을 도로변, 철도, 공사장 등 소음이 심각한 장소에 미리 세워진 H빔의 사이에 각각 끼워 고정되게 하여 사용한다.The sound insulation board 1 completed as described above is used by being sandwiched and fixed between H beams which are erected in places where noise is serious, such as roadsides, railways, and construction sites.

이상 설명한 바와 같이 본 고안은 굴곡형상의 차음판(5)이 횡으로 다수 적층되는 형상, 모양으로 배열되어 있고, 알루미늄재로 되어 있어, 방음판(1)을 칼러 풀하게 할 수 있어서 외관의 환경미를 향상시킬 수가 있고, 소음이 차음판(5) 사이 사이로 일단 들어가면 상호 적층, 굴곡되어 있는 차음판(5)의 반사음 조차도 반사음간의 간섭으로 상쇄되어 소거되므로 방음효과가 향상되게 하였으며, 차음판(5)에 의하여 눈,비가 방음판(1) 내부로 들어갈 수가 없도록 되어 있어서, 흡음재(12)(12') 및 기타 자재의 수명을 연장시킬 수 있고, 지지바(9)의 지지구(11)에 의하여 흡음재(12)(12')의 하부로의 처짐이 방지되어 방음판(1) 수명이 다할 때까지 그 방음 효능에 이상이 없도록 한 것이다.As described above, the present invention is arranged in a shape and a shape in which a plurality of curved sound insulating plates 5 are stacked laterally, and is made of aluminum, so that the soundproof plates 1 can be colored and pulled, so that the environmental beauty of the appearance can be achieved. Once the noise enters between the sound insulation panels 5, even the reflected sound of the stacked and curved sound insulation panels 5 is canceled out by the interference between the reflected sounds, so that the sound insulation effect is improved. ), So that snow and rain cannot enter the soundproof panel 1, so that the lifespan of the sound absorbing material 12, 12 'and other materials can be extended, and by the support 11 of the support bar 9, The sagging of the sound absorbing material 12 (12 ') is prevented so that the sound insulation plate 1 has no abnormality in its soundproofing effect until the end of its life.

Claims (3)

흡음재가 전,후로 간설되어 사이에 간극이 형성된 방음판에 있어서, 사각 형상의 외지주(2) 내에 내지주(3)가 끼워져 지지됨에 있어, 전면에 요구(4)가 절개, 형성되어 있고, 이 요구(4)에 차음판(5)이 끼워져 지지 고정됨에 있어, 차음판(5)의 상단편(5')이 외지주(2)의 요구(4), 걸림턱(6)에 걸려 지지되도록 내지주(3)의 요구(4) 상단면(3')과 요구면(3')이 받쳐주도록 되어 있으며, 동시에 내지주(3)의 탄편(7) 선단면이 요구(4)의 상단면(2')에 받쳐 고정,지지되도록 되어 있고, 배면에 수직 절개공(8)이 형성되어 지지바(9)가 끼워짐에 있어, 지지바(9)의 상·하단에 걸림편(10)이 직교로 형성, 돌출되어 있고, 하단 걸림편(10)에는 돌출편(10')이 돌출되어 있으며, 상단면에 걸림편(10')이 부착되어 일체화 되어 있으며, 동시에 상향 경사면을 이루는 지지구(11)가 전·후면에 다수 요설되어 흡음재(12)(12')의 처짐이 방지되게 하는 것을 특징으로 하는 방음판.In the soundproof plate in which the sound absorbing material is interposed before and after, and the gap is formed between the outer and outer peripheries 2, the tons 3 are sandwiched and supported, and the request 4 is cut and formed on the front surface thereof. Since the sound insulation plate 5 is fitted and fixed to the request 4, the upper end 5 ′ of the sound insulation plate 5 is caught and supported by the request 4 and the locking jaw 6 of the outer circumference 2. The top surface 3 'and the request surface 3' of the request 4 of the tomb 3 are supported, and at the same time, the tip end face of the bullet piece 7 of the tomb 3 is the top surface of the request 4 It is fixed and supported by (2 '), and a vertical incision hole (8) is formed on the back surface, so that the support bar (9) is fitted, so that the locking piece (10) at the upper and lower ends of the support bar (9). The orthogonal shape is formed and protrudes, and the lower locking piece 10 has a protruding piece 10 'protruding therefrom, and a locking piece 10' is attached to the upper surface to be integrated with each other, and at the same time, a support tool forming an upwardly inclined surface. (11) in front, the back It can be babbling sound-absorbing material 12, 12 ', sound insulation board, characterized in that to cause deflection of the protection. 제 1항에 있어서, 굴곡형상의 차음판(5)이 내·외지구(3)(2)의 요구(4) 상에 끼워져 고정됨에 있어, 내·외지주(3)(2)의 상부측면에 천공된 지지공(A)으로 지지핀 등을 끼워, 지지 고정되게 하는 것을 특징으로 한 방음판.The upper side surface of the inner and outer circumferences 3 and 2 according to claim 1, wherein the curved sound insulating plate 5 is fitted and fixed on the request 4 of the inner and outer circumferences 3 and 2, respectively. Soundproof plate, characterized in that the support pin is inserted into the support hole (A) perforated to support the fixed. 제 1항에 있어서, 상기 방음판(1)의 상부 차음판(5)만이 연장판(13)으로 연장되어 그 선단이 커버(14)의 선단을 감쌓아 리벳 고정되는 것을 특징으로 한 방음판.The sound insulation board according to claim 1, wherein only the upper sound insulation board (5) of the sound insulation board (1) extends to the extension plate (13) so that its tip is wrapped around the tip of the cover (14) and riveted.
KR2019990030700U 1999-12-31 1999-12-31 Sound arresting plate KR200184697Y1 (en)

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KR100585817B1 (en) 2006-03-02 2006-06-07 주식회사 삼보기술단 If the slope of the railroad the soundproof wall combination falling rock prevention infrastructure which is established
KR100747744B1 (en) * 2007-05-01 2007-08-08 태성이엔씨(주) The noise absorbing panel which has sound interference slits
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