JPS568790A - Sludge dredger - Google Patents

Sludge dredger

Info

Publication number
JPS568790A
JPS568790A JP8128279A JP8128279A JPS568790A JP S568790 A JPS568790 A JP S568790A JP 8128279 A JP8128279 A JP 8128279A JP 8128279 A JP8128279 A JP 8128279A JP S568790 A JPS568790 A JP S568790A
Authority
JP
Japan
Prior art keywords
suction mouth
sludge
detectors
sling
winch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8128279A
Other languages
Japanese (ja)
Inventor
Masahide Murase
Zene Yasumoto
Hidetsuna Hashida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP8128279A priority Critical patent/JPS568790A/en
Publication of JPS568790A publication Critical patent/JPS568790A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To selectively dredge only sludge by automatically controlling the position of a suction mouth with the output signals of the sludge layer detector which is provided in a hull and always bringing the suction mouth at the position of the sludge layer.
CONSTITUTION: The suction mouth 1 has a number of sludge layer detectors 2 at its upward and downward position. When surface layer sludge Hv is detected by the detectors 2, the output signals of the detectors 2 are input to the suction position control operation oscillator 3. As a result, the suction mouth sling 8 is wound or rewound through the hydraulic valve control panel 17, switching valve 18, and hydraulic cylinder 6. The suction mouth sling 8 and the drug arm sling 9 are also wound and rewound through the winch motor control panel 14, suction mouth winch 15, and drug arm winch 16. Consequently, the suction mouth 1 is always brought at the position of surface layer sludge Hv.
COPYRIGHT: (C)1981,JPO&Japio
JP8128279A 1979-06-29 1979-06-29 Sludge dredger Pending JPS568790A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8128279A JPS568790A (en) 1979-06-29 1979-06-29 Sludge dredger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8128279A JPS568790A (en) 1979-06-29 1979-06-29 Sludge dredger

Publications (1)

Publication Number Publication Date
JPS568790A true JPS568790A (en) 1981-01-29

Family

ID=13742011

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8128279A Pending JPS568790A (en) 1979-06-29 1979-06-29 Sludge dredger

Country Status (1)

Country Link
JP (1) JPS568790A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4918174A (en) * 1972-06-10 1974-02-18
JPS52303A (en) * 1976-06-18 1977-01-05 Hatsune Denki Kogyo Kk Rotor of a small size generator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4918174A (en) * 1972-06-10 1974-02-18
JPS52303A (en) * 1976-06-18 1977-01-05 Hatsune Denki Kogyo Kk Rotor of a small size generator

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