JPS5583802A - Cord length detection method of multiplex winding winch - Google Patents

Cord length detection method of multiplex winding winch

Info

Publication number
JPS5583802A
JPS5583802A JP16378478A JP16378478A JPS5583802A JP S5583802 A JPS5583802 A JP S5583802A JP 16378478 A JP16378478 A JP 16378478A JP 16378478 A JP16378478 A JP 16378478A JP S5583802 A JPS5583802 A JP S5583802A
Authority
JP
Japan
Prior art keywords
drum
digital quantity
multiplex winding
rotations
length
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
JP16378478A
Other languages
Japanese (ja)
Inventor
Atsushi Sakai
Osamu Tsubota
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.)
Tamagawa Seiki Co Ltd
Kanadevia Corp
Original Assignee
Hitachi Zosen Corp
Tamagawa Seiki Co Ltd
Hitachi Shipbuilding and Engineering Co 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 Hitachi Zosen Corp, Tamagawa Seiki Co Ltd, Hitachi Shipbuilding and Engineering Co Ltd filed Critical Hitachi Zosen Corp
Priority to JP16378478A priority Critical patent/JPS5583802A/en
Publication of JPS5583802A publication Critical patent/JPS5583802A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

PURPOSE: To improve the measure precision of a rope paying-out length by detecting the number of drum rotations of a multiplex winding drum winch and performing the correction operation of an actual paying-out rope length on a basis of the digital value of this detection signal by a multiplex winding correction operator.
CONSTITUTION: Reference drum diameter D0 which should be an operation base is determined by set cord length B per one count of the digital quantity per one rotation of winch drum 1. Next, actual measured digital quantities n3, n2 and n1 proportional to numbers N3, N2 and N1 of rotations in effective diameters D3, D2 and D1 of respective layers obtained by drum rotation and digital quantity n0 proportional to the number of rotations of reference drum diameter D0 are obtained as correction values from effective drum diameters D3, D2 and D1 and reference drum diameter D0. Consequently, all digital quantity dependent upon drum rotation is obtained by expression n=n3+n2+n1=(1+Δd)D0π(N3+N2+N1)/B+dD0π (N2+N1)/B+dD0πN1/B and is operated by multiplex winding correction operator 7 according to this expression. The all rope length can be obtained with a high precision by multiplying this calculated all digital quantity by rope length B per one count.
COPYRIGHT: (C)1980,JPO&Japio
JP16378478A 1978-12-21 1978-12-21 Cord length detection method of multiplex winding winch Pending JPS5583802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16378478A JPS5583802A (en) 1978-12-21 1978-12-21 Cord length detection method of multiplex winding winch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16378478A JPS5583802A (en) 1978-12-21 1978-12-21 Cord length detection method of multiplex winding winch

Publications (1)

Publication Number Publication Date
JPS5583802A true JPS5583802A (en) 1980-06-24

Family

ID=15780637

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16378478A Pending JPS5583802A (en) 1978-12-21 1978-12-21 Cord length detection method of multiplex winding winch

Country Status (1)

Country Link
JP (1) JPS5583802A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58213209A (en) * 1982-06-07 1983-12-12 Fujita Corp Pulse transmitting type distance measuring device
JPS59183319A (en) * 1983-03-29 1984-10-18 ゲブリユ−ダ−・レプフエ・アクチエンゲゼルシヤフト Measuring device for length of yarn
JPS6088304A (en) * 1983-10-20 1985-05-18 Seiko Epson Corp electronic reel

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5280052A (en) * 1975-12-26 1977-07-05 Furuno Electric Co Length measuring apparatus
JPS534563A (en) * 1975-12-26 1978-01-17 Furuno Electric Co Length measuring apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5280052A (en) * 1975-12-26 1977-07-05 Furuno Electric Co Length measuring apparatus
JPS534563A (en) * 1975-12-26 1978-01-17 Furuno Electric Co Length measuring apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58213209A (en) * 1982-06-07 1983-12-12 Fujita Corp Pulse transmitting type distance measuring device
JPS59183319A (en) * 1983-03-29 1984-10-18 ゲブリユ−ダ−・レプフエ・アクチエンゲゼルシヤフト Measuring device for length of yarn
JPS6088304A (en) * 1983-10-20 1985-05-18 Seiko Epson Corp electronic reel

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