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    • 2. 发明专利
    • Soundproof device of bridge
    • 桥梁防护装置
    • JP2007032070A
    • 2007-02-08
    • JP2005216268
    • 2005-07-26
    • Kobe Steel Ltd株式会社神戸製鋼所
    • OKADA TORUKINOSHITA SHINICHIHONKE KOICHIYOSHIMURA TOSHIOFUJINAMI GEN
    • E01D19/00E01F8/00G10K11/16
    • PROBLEM TO BE SOLVED: To provide a soundproof device of a bridge capable of surely reducing a low frequency sound generated from the bridge with less gravity loading to the bridge at low cost.
      SOLUTION: The soundproof device 10 reducing the low frequency sound generated from the bridge 3 is placed in the lower part of the bridge 3, and it is constituted of a platy member 11 suspended by a plurality of coil springs 12 fixing one end side to the bridge 3 and a space surrounding wall 13 provided to the bridge 3 and composed of a first wall member 13a and a second wall member 13b and surrounding a space formed between the bridge 3 and the plate-like member 11.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种桥梁的隔音装置,其能够以较低的成本可靠地降低从桥梁产生的低频声音,并以较少的重力加载到桥梁。 解决方案:降低从桥3产生的低频声音的隔音装置10被放置在桥3的下部,并且由由固定一端的多个螺旋弹簧12悬挂的板状构件11构成 并且围绕围绕壁13的空间设置在桥3上并且由第一壁构件13a和第二壁构件13b构成并围绕形成在桥3和板状构件11之间的空间。 版权所有(C)2007,JPO&INPIT
    • 6. 发明专利
    • VIBRATION DAMPING SECTION MEMBER
    • JPH10122298A
    • 1998-05-12
    • JP27109096
    • 1996-10-14
    • KOBE STEEL LTD
    • YONEZAWA KAZUOSASABE SEIJISUGIMOTO AKIOKINOSHITA SHINICHIHINO MITSUO
    • F16F15/02
    • PROBLEM TO BE SOLVED: To provide a vibration damping section member that is able to secure good weld penetration by way of giving no adverse effect to weldability at the welding, without lowering its damping property so much as well as to prevent any possible deterioration of bead form due to an excessive weld heat input, besides making good welding operability securable. SOLUTION: A vibration damping section member 1 is one that a vibration damping resin material 3 is stuck to at least one side of an aluminum or aluminum alloy plate 2, and vibration damping resin material 3 is formed with each hole 3a in respective positions where plural pieces of first line rows 4 extending in the first direction and plural pieces of second line rows 5 extending in the second direction being crossed with the first direction are intersected. When plate thickness of this aluminum or aluminum alloy plate 2 constituting this vibration damping section member 1 is set to t (mm), a circle equivalent diameter of the hole 3a to D (mm), a pitch of the hole 3a set up in the first line row 4 to P (mm), and an interval among the first line rows to Q (mm), respectively, the circle equivalent diameter D of the hole 3a is 1t and 4t (mm), the pitch P is 2D and 3D (mm), and the interval Q is 0.5 and 1P (mm), respectively, therefore it is desirable that a total area of the hole 3 is less than 20% of the area of the vibration damping resin material 3.