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    • 41. 发明专利
    • METHOD OF MEASURING QUANTITY OF STATE FOR FRAME OF PASSENGER CONVEYER
    • JP2003176090A
    • 2003-06-24
    • JP2001373082
    • 2001-12-06
    • HITACHI BUILDING SYS CO LTDHITACHI LTD
    • MATSUO TOSHIAKIYAMAMOTO KOJIMATSUZAKI YOSHIOHAMADA TOMOYUKIAIURA TAKASHI
    • B66B31/00B66B23/00
    • PROBLEM TO BE SOLVED: To provide a method of measuring the quantity of state for the frame of a passenger conveyer capable of measuring the quantity of state for the frame without using a measure or a piano wire. SOLUTION: An electro-optical distance meter 5 is installed in a getting on and off way over the lower horizontal part 4C of an upper chord member 1a of a frame 1. The tip part 3C of a beam 3 is brought into contact with a lower intersection point C of the upper chord member 1a in order to project light from the electro-optical distance meter 5 to a first reflection part 3A and a second reflection part 3B respectively. Three dimensional coordinates of the reflection parts 3A and 3B are operated by the electro-optical distance meter 5 on the basis of the triangle formed by the electro-optical distance meter 5 and the reflection parts 3A and 3B. For example, based on the three dimensional coordinate of the reflection part 3A, the coordinate of the tip part 3C of the beam 3, that is the three dimensional coordinate of the lower intersection point C, is obtained. Similarly, the three dimensional coordinate of an upper intersection point D is obtained. Based on these three dimensional coordinates of the upper and lower intersection points C and D, the quantity of state for the frame 1, such as the length of an inclination part 4e of the upper chord member 1a, is obtained. COPYRIGHT: (C)2003,JPO
    • 43. 发明专利
    • MELTING DEVICE
    • JPH11326592A
    • 1999-11-26
    • JP12705998
    • 1998-05-11
    • HITACHI LTD
    • MATSUO TOSHIAKINISHI TAKASHIKONDO TAKEYUKIMATSUDA MASAMIMIYATA KENJIUEDA KIYOTAKA
    • G21F9/30
    • PROBLEM TO BE SOLVED: To reduce frequency of repairing the furnace body side wall of a melting device. SOLUTION: A dollop of a conducting material 1 is charged in a furnace body 2. Four insulation plates 4 are arranged in the charged conducting material layer 9 from the side wall inner surface of the furnace body 2 toward the center of the furnace body 2. Radioactive solid waste thrown in the upper space of the charged conductive material layer 9 is melted by the induction heating of the conductive material by an electromagnetic coil 3. Eddy current flowing in the circumferential part of the charged conducting material 9 in the circumferential direction flows along the insulation plates 4 at 4 locations in the circumferential direction to the center of the charged conducting material layer 9 and so the heating in the center part of the charged conduction material layer 9 increases. Temperature distribution in the radial direction of the charged conducting layer 9 is flattened. The amount of molten liquid flowing down near the center axis of the charged conductive material layer 9 increases and the contact frequency of the molten liquid to the furnace body side wall decreases. Thus, the degradation of the side wall of the furnace body 2 is suppressed and the frequency of repairing the side wall of the furnace body 2 can be reduced.
    • 47. 发明专利
    • DISPOSAL METHOD OF RADIOACTIVE WASTE
    • JPH08129100A
    • 1996-05-21
    • JP26653294
    • 1994-10-31
    • HITACHI LTD
    • NOSHITA KENJIMATSUDA MASAMINISHI TAKASHIKOMORI ITARUMATSUO TOSHIAKIIZUMIDA TATSUO
    • G21F9/30
    • PURPOSE: To reduce residual coverage onto a disposal equipment by crushing massive radioactive waste, mixing the crushed waste with a solidifying material and infecting the mixture into a solidifying container. CONSTITUTION: When incinerated ash in a storage container 1 is charged into an incinerated-ash hopper 4 and a valve 5 is opened, the inside of a cage type rotor for a crusher 6 is supplied with incinerated ash. Moistened massive incinerated ash is shocked by pin shields, in which adjacent rows in the rotor are rotated in the opposite directions mutually, and crushed. Incinerated ash, in which massive ash is crushed completely, is introduced into a screw feeder 7, and the inside of a kneading machine 8 is supplied with incinerated ash by driving the feeder 7. Incinerated ash fed into the kneading machine 8 is kneaded with previously charged cement paste by an agitator 13, the inside of a solidifying container 15 is fed with these mixtures through an outlet piping by opening a solenoid valve 14, an upper end is sealed with a cover, and the solidifying container 15 is carried into a solidifying-container storage region.
    • 48. 发明专利
    • Diagnostic method of chain of passenger conveyor
    • 客运输送机链条诊断方法
    • JP2009084028A
    • 2009-04-23
    • JP2007258772
    • 2007-10-02
    • Hitachi Building Systems Co LtdHitachi Ltd株式会社日立ビルシステム株式会社日立製作所
    • MATSUO TOSHIAKIIGARASHI YOSHIHARUSAKAGAMI MITSURU
    • B66B31/00B66B23/02
    • PROBLEM TO BE SOLVED: To provide a diagnostic method of the chain of a passenger conveyor capable of diagnosing elongation or tension of the chain without complicated driving control of a driving machine, and diagnosing a plurality kinds of chains.
      SOLUTION: First-fourth rotating angle detectors 11-14 are provided respectively corresponding to a rotary shaft of the driving machine 2, a terminal shaft 3, a double sprocket 6 and a driving roller 9 of a handrail driving device 5. When diagnosing elongation or tension of the chain, the driving machine 2 is rotated in the predetermined direction, stopped, and then the driving machine 2 is rotated in the reverse direction to the predetermined direction to measure time deviation from a normal start point of a start point which is a timing when inputting a detected signal based on respective detected signals of the second-forth rotating angle detectors 12-14, when rotating the machine in the reverse direction, thus diagnosing elongation or tension of at least one of the drive chain 4, the handrail chain 7, or the chain 10 according to deviation from the start point of the detected signals obtained by the measurement.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供能够诊断链条的伸长率或张力而不需要驱动机器的复杂驾驶控制并且诊断多种链条的乘客输送机链的诊断方法。 解决方案:分别对应于驱动机器2的旋转轴,端子轴3,双链轮6和扶手驱动装置5的驱动辊9分别设置第一至第四旋转角度检测器11-14。 诊断链条的伸长或张力,驱动机器2沿预定方向旋转,停止,然后驱动机器2沿与预定方向相反的方向旋转,以测量与起始点的正常起始点的时间偏差 这是当沿着相反方向旋转机器时基于第二旋转角度检测器12-14的各自检测信号输入检测信号的定时,从而诊断驱动链4中的至少一个的伸长或张力, 扶手链7或链条10根据通过测量获得的检测信号的起点偏离。 版权所有(C)2009,JPO&INPIT
    • 50. 发明专利
    • Decontamination system and decontamination method for radioactive contaminants
    • 放射性污染物的去除系统和去除方法
    • JP2006133033A
    • 2006-05-25
    • JP2004320981
    • 2004-11-04
    • Hitachi Engineering & Services Co LtdHitachi Ltd株式会社日立エンジニアリングサービス株式会社日立製作所
    • MATSUO TOSHIAKIMATSUMOTO TAKAYUKIFUJIMOTO KIYOSHIHOSHI HIROSHIKOGA ISAO
    • G21F9/28C25F3/16C25F7/00
    • PROBLEM TO BE SOLVED: To realize a decontamination system and method for radioactive contaminants which decontaminates surface contamination effectively and is superior in user-friendliness.
      SOLUTION: The decontamination system for radioactive contaminant comprises a hollow disk shape electrode 1, a ceramic-made disk shape grinder 2 attached on one surface of the electrode, an electrically conductive rotational axis 3 fixed coaxially with the electrode, a drive means 4 for rotationally driving the rotational axis and holding it by way of an insulator 13, a supply nozzle 8 of electrolytic liquid provided via a rotational universal coupling 7, by connecting with the hollow part formed inside the rotational axis, and a current supply terminal 11, provided freely rotationally to the rotational axis. The electrode has a plurality of holes 5 connecting with the hollow part inside the electrode, on the surface where the grinder is attached, and the hollow part in the rotational axis and the hollow part in the electrode are connected in the formation.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:实现放射性污染物的去污系统和方法,有效去污表面污染,在用户友好性方面优越。 解决方案:放射性污染物的去污系统包括中空圆盘形状电极1,安装在电极的一个表面上的陶瓷制圆盘形磨床2,与电极同轴固定的导电旋转轴3,驱动装置 4,用于旋转地驱动旋转轴并通过绝缘体13保持,通过旋转通用联轴器7提供的电解液的供应喷嘴8通过与形成在旋转轴线内部的中空部分连接,以及电流供应端子11 ,可自由旋转地设置在旋转轴上。 电极具有与电极内的中空部分连接的多个孔5,在研磨机附接的表面上,旋转轴中的中空部分和电极中的中空部分连接在地层中。 版权所有(C)2006,JPO&NCIPI