SUSPENSION POSITION MEASUREMENT DEVICE AND SUSPENSION POSITION MEASUREMENT METHOD OF FLOATING CRANE

Title:

SUSPENSION POSITION MEASUREMENT DEVICE AND SUSPENSION POSITION MEASUREMENT METHOD OF FLOATING CRANE

Document Type and Number:

Japanese Patent JP2015134684

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a suspension position measurement device and a suspension position measurement method of a floating crane which can accurately measure the position of a suspension body such as a grab bucket without requiring mounting operation at a hight place in a floating crane such as a self propelling grab hopper barge.SOLUTION: A suspension position measurement device of a floating crane comprises: a scanning type laser distance meter 13 which is fixed at an arbitrary position of a floating crane 1, allows a laser beam to turn and scan within a desired scanning range, receives a reflection beam 12 when the laser beam is reflected by an object, and measures a distance between the object, and a scanning angle; distance meter position measurement means for measuring the position of the scanning type laser distance meter 13; distance meter azimuth measurement means for measuring a true azimuth of a desired direction with the scanning type laser distance meter as a base point; measurement object determination means for determining whether the object is a measurement object; and calculation means for calculating a horizontal direction center position of the measurement object.

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Inventors:

MASUTANI MASAHARU
MATOYAMA TAKAYUKI
MORIYA NORIAKI
OBITA SHUNJI

Application Number:

JP2014035527A

Publication Date:

July 27, 2015

Filing Date:

February 26, 2014

Export Citation:

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Assignee:

PENTA OCEAN CONSTRUCTION

International Classes:

B66C13/46; B66C23/52; E02D15/10; E02F3/47

Domestic Patent References:

JPH10152839A	1998-06-09
JP2013117392A	2013-06-13
JPH08145668A	1996-06-07
JPS638200A	1988-01-13
JP2007276996A	2007-10-25
JP2010089865A	2010-04-22
JP2006312521A	2006-11-16

Foreign References:

US20100034421A1

2010-02-11

Attorney, Agent or Firm:

Masao Tanaka
Rita Ishii

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