CRANE WORK EVALUATION METHOD, DEVICE AND SYSTEM

Title:

CRANE WORK EVALUATION METHOD, DEVICE AND SYSTEM

Document Type and Number:

Japanese Patent JP2007204208

Kind Code:

A

Abstract:

To provide a crane work evaluation method, device and system capable of appropriately evaluating work records of a crane.

This work evaluation device 1 evaluates crane work records of the crane 10 having a work form of at least performing suspending work by a hook 26 hung at a tip of a boom 21. The work evaluation device 1 is provided with sensors 47, 49, 33 for detecting a working radius R of the boom 21, a suspending load W and working time; a calculating means for calculating moment time obtained by multiplying a moment which is a product of the working radius R of the boom 21 and the suspending load W by the working time or moment square time obtained by multiplying the square of the moment by the working time; and an evaluation means for evaluating the work records of the crane 10 based on the moment time or the moment square time.

Inventors:

MIZUTANI MOTOHIKO

Application Number:

JP2006024421A

Publication Date:

August 16, 2007

Filing Date:

February 01, 2006

Export Citation:

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Assignee:

KOBELCO CRANES CO LTD

International Classes:

B66C23/90; B66C15/00

Domestic Patent References:

JP2000351579A	2000-12-19
JP2001091415A	2001-04-06
JP2002326785A	2002-11-12
JP2004067379A	2004-03-04
JPH08324998A	1996-12-10

Attorney, Agent or Firm:

Etsushi Kotani
Takao Ito
Jiro Higuchi
Tamagushi Yukihisa

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