JPS5646035A - Indicating method for shape of arm of suction dredger and draft thereof - Google Patents

Indicating method for shape of arm of suction dredger and draft thereof

Info

Publication number
JPS5646035A
JPS5646035A JP12247779A JP12247779A JPS5646035A JP S5646035 A JPS5646035 A JP S5646035A JP 12247779 A JP12247779 A JP 12247779A JP 12247779 A JP12247779 A JP 12247779A JP S5646035 A JPS5646035 A JP S5646035A
Authority
JP
Japan
Prior art keywords
draft
angle
arm
shape
transmitter
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
JP12247779A
Other languages
Japanese (ja)
Inventor
Zene Yasumoto
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 JP12247779A priority Critical patent/JPS5646035A/en
Publication of JPS5646035A publication Critical patent/JPS5646035A/en
Pending legal-status Critical Current

Links

Landscapes

  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

PURPOSE: To enable exact indication of the shape of the arm and of the draft by a method wherein an angle transmitter is fitted to a drag arm, etc. and thereby an angle to a base is detected, while a draft transmitter is provided on the dredger.
CONSTITUTION: The angle transmitters 13a and 13b are fixed on the side of a trunnion 2 of a half-bent type drag arm 3 supported by the trunnion 2 of the dredger 1 and on the side toward the tip from the half-bent place of the arm 3. The angle transmitter 13a is connected with an angle receiver 14 and through an amplifier 15 joined to a power selsyn motor 16 and further to the indicator 18 of an indicating part 17 inside a shape-indicator 5, thus indicating the shape on the side of the trunnion 2. The angle transmitter 13b is joined to an angle receiver 19 of the indicating part 17 and drives an indicator 20. Moreover, the draft transmitter 21 fitted to a bottom part of the dredger 1 is joined to a selsyn motor 23 through a signal transducer 22 and moves a model 25 of the draft by driving a wormgear 24.
COPYRIGHT: (C)1981,JPO&Japio
JP12247779A 1979-09-22 1979-09-22 Indicating method for shape of arm of suction dredger and draft thereof Pending JPS5646035A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12247779A JPS5646035A (en) 1979-09-22 1979-09-22 Indicating method for shape of arm of suction dredger and draft thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12247779A JPS5646035A (en) 1979-09-22 1979-09-22 Indicating method for shape of arm of suction dredger and draft thereof

Publications (1)

Publication Number Publication Date
JPS5646035A true JPS5646035A (en) 1981-04-27

Family

ID=14836808

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12247779A Pending JPS5646035A (en) 1979-09-22 1979-09-22 Indicating method for shape of arm of suction dredger and draft thereof

Country Status (1)

Country Link
JP (1) JPS5646035A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5980591U (en) * 1982-11-22 1984-05-31 株式会社竹中工務店 Kelly drive shaft drive device
JPS60174804A (en) * 1984-02-17 1985-09-09 Daido Steel Co Ltd Production of pipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5980591U (en) * 1982-11-22 1984-05-31 株式会社竹中工務店 Kelly drive shaft drive device
JPS60174804A (en) * 1984-02-17 1985-09-09 Daido Steel Co Ltd Production of pipe

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