DREDGING MACHINE AND DREDGING METHOD USING THE SAME

PROBLEM TO BE SOLVED: To provide a dredger capable of recovering and accumulating surplus output of an engine in low load time, utilizing the surplus output in high load time to save energy, and miniaturizing an engine.SOLUTION: In a dredger, a dredging machine M comprises a jib projected from a tur...

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Main Author MIYAZAKI HAJIME
Format Patent
LanguageEnglish
Japanese
Published 14.09.2017
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Abstract PROBLEM TO BE SOLVED: To provide a dredger capable of recovering and accumulating surplus output of an engine in low load time, utilizing the surplus output in high load time to save energy, and miniaturizing an engine.SOLUTION: In a dredger, a dredging machine M comprises a jib projected from a turning body 91, a support drum 11 for winding a wire by suspending a glove bucket on the tip side of the wire installed in the jib, and an engine 61 connected to the support drum 11 via a first clutch 19, and comprises a surplus output recovery pump 31 for supplying to a pressure accumulator 80 by recovering surplus output of the engine 61 via a third clutch 39, an assist motor 41 connected to the support drum 11 via a fourth clutch 49 and supporting rotary motion of the support drum 11 by using energy accumulated in the pressure accumulator 80, and control means for rotating the assist motor 41 in hoisting time and accumulating the surplus output of the engine 61 in the pressure accumulator 80 in an operation time zone except for the hoisting time.SELECTED DRAWING: Figure 3 【課題】低負荷時におけるエンジンの余剰出力を回収,蓄積し、高負荷時に活用して省エネを図り、さらにエンジンの小型化をも可能にする浚渫船を提供する。【解決手段】浚渫船に、旋回体91から突き出されたジブと、ジブに取付けたワイヤの先端側にグラブバケットを吊設し、ワイヤを巻回する支持ドラム11と、第一クラッチ19を介して支持ドラム11に接続するエンジン61と、を具備する浚渫機Mにおいて、第三クラッチ39を介してエンジン61の余剰出力を回収して蓄圧器80に供給する余剰出力回収用ポンプ31と、第四クラッチ49を介して支持ドラム11に接続し、蓄圧器80に蓄積したエネルギを用いて、支持ドラム11の回転運動を支援するアシスト用モータ41と、巻上時にアシスト用モータ41を回転させる一方、巻上時以外の作動時間帯にエンジン61の余剰出力を、蓄圧器80に蓄積させる制御手段と、を具備する。【選択図】図3
AbstractList PROBLEM TO BE SOLVED: To provide a dredger capable of recovering and accumulating surplus output of an engine in low load time, utilizing the surplus output in high load time to save energy, and miniaturizing an engine.SOLUTION: In a dredger, a dredging machine M comprises a jib projected from a turning body 91, a support drum 11 for winding a wire by suspending a glove bucket on the tip side of the wire installed in the jib, and an engine 61 connected to the support drum 11 via a first clutch 19, and comprises a surplus output recovery pump 31 for supplying to a pressure accumulator 80 by recovering surplus output of the engine 61 via a third clutch 39, an assist motor 41 connected to the support drum 11 via a fourth clutch 49 and supporting rotary motion of the support drum 11 by using energy accumulated in the pressure accumulator 80, and control means for rotating the assist motor 41 in hoisting time and accumulating the surplus output of the engine 61 in the pressure accumulator 80 in an operation time zone except for the hoisting time.SELECTED DRAWING: Figure 3 【課題】低負荷時におけるエンジンの余剰出力を回収,蓄積し、高負荷時に活用して省エネを図り、さらにエンジンの小型化をも可能にする浚渫船を提供する。【解決手段】浚渫船に、旋回体91から突き出されたジブと、ジブに取付けたワイヤの先端側にグラブバケットを吊設し、ワイヤを巻回する支持ドラム11と、第一クラッチ19を介して支持ドラム11に接続するエンジン61と、を具備する浚渫機Mにおいて、第三クラッチ39を介してエンジン61の余剰出力を回収して蓄圧器80に供給する余剰出力回収用ポンプ31と、第四クラッチ49を介して支持ドラム11に接続し、蓄圧器80に蓄積したエネルギを用いて、支持ドラム11の回転運動を支援するアシスト用モータ41と、巻上時にアシスト用モータ41を回転させる一方、巻上時以外の作動時間帯にエンジン61の余剰出力を、蓄圧器80に蓄積させる制御手段と、を具備する。【選択図】図3
Author MIYAZAKI HAJIME
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DocumentTitleAlternate 浚渫機及びこれを用いた浚渫方法
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Snippet PROBLEM TO BE SOLVED: To provide a dredger capable of recovering and accumulating surplus output of an engine in low load time, utilizing the surplus output in...
SourceID epo
SourceType Open Access Repository
SubjectTerms DREDGING
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
Title DREDGING MACHINE AND DREDGING METHOD USING THE SAME
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