PROBLEM TO BE SOLVED: To provide a fork lift that can detect deterioration in hydraulic hose, and to provide a method for detecting deterioration in hydraulic hose.SOLUTION: The fork lift 1 includes: a pulley 324 around which the hydraulic hose 307 is looped; an irradiation part 41 for irradiating a part of the hydraulic hose capable of coming into contact with the pulley with light; a light detection part 42 for detecting intensity of light reflected from the hydraulic hose of the light radiated from the irradiation part; and a deterioration estimation part 206 for estimating a deterioration of the hydraulic hose based on the intensity of the reflected light detected by the light detection part.SELECTED DRAWING: Figure 1
【課題】油圧ホースの劣化を検出可能なフォークリフトおよび油圧ホースの劣化検出方法を提供する。【解決手段】フォークリフト1は、油圧ホース307が掛け回されるプーリー324と、油圧ホースのうちプーリーと接し得る部分に光を照射する照射部41と、照射部によって照射された光の油圧ホースによる反射光の強度を検知する光検知部42と、光検知部が検知した反射光の強度に基づいて、油圧ホースの劣化を推定する劣化推定部206とを備える。【選択図】図1
FORK LIFT AND METHOD FOR DETECTING DETERIORATION IN HYDRAULIC HOSE
フォークリフトおよび油圧ホースの劣化検出方法
2017-03-09
Patent
Electronic Resource
Japanese
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
FORK LIFT AND METHOD FOR DETECTING DETERIORATION IN HYDRAULIC HOSE
European Patent Office | 2017
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