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JPH06180010A Expired / Lapsed JP ⏱️ 0.0 years remaining

Natural ground improving stabilizer

Assignee: Tobishima Corp
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Filing: 1992-12-14
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Granted: —
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Expires: 2012-12-14
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Abstract

Abstract Translated from Japanese (57)【要約】 【目的】 スイベルの交換を、削孔用ロッドの寿命に比 べ長いカップリングの寿命に合わせて行い、トータル的 に錐鋼費を有利にすること。上記スイベルを削孔用ロッ ドの途中に嵌挿する場合に比較して削孔長を長くするこ と。 【構成】 打撃機構とロッド回転機構とを備えた油圧削 岩機1と、この油圧削岩機1の出力ロッド4にカップリ ング5を介して装着される削孔用ロッド3と、上記カッ プリング5の外周に嵌挿されて削孔用ロッド3に注入剤 およびフラッシング剤を供給するスイベル9とからな る。 (57) [Summary] [Purpose] To replace the swivel according to the life of the coupling, which is longer than the life of the drilling rod, and to make the total cost of the conical steel advantageous. The hole length should be longer than when the swivel is inserted in the hole rod. [Structure] A hydraulic rock drill 1 having a striking mechanism and a rod rotating mechanism, a drilling rod 3 mounted on an output rod 4 of the hydraulic rock drill 1 via a coupling 5, and the coupling described above. The swivel 9 is fitted into the outer periphery of the hole 5 and supplies the injecting agent and the flushing agent to the drilling rod 3.

Inventors

  • 👤 Kensaku Ichikawa
  • 👤 健作 市川

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-10-30 07:45
CPC Classifications
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