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    • 69. 发明专利
    • Soundproof device and working equipment
    • 防爆设备和工作设备
    • JP2009084812A
    • 2009-04-23
    • JP2007253139
    • 2007-09-28
    • Kamishimagumi:Kk株式会社神島組
    • KAMISHIMA AKIO
    • E21B12/00B25D17/11
    • PROBLEM TO BE SOLVED: To provide a lightweight and inexpensive soundproof device excellent in attachment/detachment workability and sound insulating properties, and working equipment equipped with the soundproof device.
      SOLUTION: A cylindrical heat-insulating cover 32 is attached in such a manner as to cover a sleeve 102 for connecting a shank rod 101 of a drifter and a rod 112 with a working bit 111. A soundproof cover 31 like an accordion pipe formed of a sheet-like material with flexibility is attached in such a manner as to cover the periphery of the heat-insulating cover 32 and the rod 112. High heat generated from the sleeve 102 is shut off by the heat-insulating cover 32, and the soundproof cover 31 is prevented from being damaged by heat. Since the heat-insulating cover 32 can be detached separately from the soundproof cover 31, the heat-insulating cover 32 has only to be replaced when deteriorated.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供具有优异的附着/拆卸可加工性和隔音性能的轻便且廉价的隔音装置,以及配备有隔音装置的工作设备。 解决方案:圆柱形绝热盖32以覆盖用于将漂流器的杆杆101和杆112与工作钻头111连接的套筒102的方式附接。如手风琴的隔音盖31 以具有柔性的片状材料形成的管子以覆盖绝热盖32和杆112的周边的方式被附着。从套筒102产生的高热被隔热盖32切断 并且防止隔音盖31受热损坏。 由于隔热罩32能够与隔音罩31分离地拆卸,因此绝热罩32在劣化时才被更换。 版权所有(C)2009,JPO&INPIT