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1. 发明专利

JPH06263381A MEASURING DEVICE FOR OVERHEAD CRANE 失效
公开(公告)号：JPH06263381A
公开(公告)日：1994-09-20
申请号：JP8628092
申请日：1992-03-09
申请人： HITACHI KIDEN KOGYO KK , SANPA KOGYO KK
发明人： YAMAGATA TETSUO
IPC分类号： B66C13/22
摘要： PURPOSE:To enable an overhead crane to lift up an article on a carrier vehicle on running. CONSTITUTION:Speed detecting means 10 using photo sensors and arranged along a railway 3 detect a running speed of a carrier vehicle 2. Positional deviation detecting means 20 using photo sensors and arranged along the railway detect deviations of articles W1, W2 on the carrier vehicle, from the center line of the latter, and height detecting means 30 using photo-sensors and mounted on an overhead crane 1 detect heights of the articles W. When detected data are delivered to a control mechanism for the overhead crane 1, the overhead crane 1 automatically can follow up the traveling carrier vehicle 2, and accordingly, it can lift up the articles W on the carrier vehicle 2.

2. 发明专利

JPH0710465A METHOD OF MEASURING COIL POSITION 失效
公开(公告)号：JPH0710465A
公开(公告)日：1995-01-13
申请号：JP9205792
申请日：1992-03-17
申请人： HITACHI KIDEN KOGYO KK , SANPA KOGYO KK
发明人： YAMAGATA TETSUO , ARAI RYOICHI
IPC分类号： B66C13/22 , B66C13/46 , B66C13/48
摘要： PURPOSE:To precisely measure a position of a coil on a bogie with the use of a simple device when the coil on the bogie is lifted up with the use of an overhead crane. CONSTITUTION:A laser distance meter 40 attached to a crab 31 of an overhead crane 30, emits a plurality of parallel laser beams S1, S2..., direct therebelow so as to measure distances to reflecting points. A bogie 20 is moved so as to cause a coil 10 to pass below the laser distance meter 40 which is carrying out the measurement of distances. The position of the coil 10 is measured from a variation in the output of the laser distance meter 40 since the output varies when the coil 10 crosses the laser beams S1, S2....

3. 发明专利

JPH06263388A COIL POSITION MEASURING DEVICE 失效
公开(公告)号：JPH06263388A
公开(公告)日：1994-09-20
申请号：JP8628292
申请日：1992-03-09
申请人： HITACHI KIDEN KOGYO KK , SANPA KOGYO KK
发明人： YAMAGATA TETSUO , ARAI RYOICHI
IPC分类号： B66C13/22 , B66C13/46 , B66C13/48 , G01B11/00
摘要： PURPOSE:To provide a measuring device having a simple structure with less vibration by linearly scanning a plurality of positions on a coil with a plurality of leaser beams with the use of a transverse runner, and by traversing the transverse runner during the scanning so as to collect data necessary for the positional measurement. CONSTITUTION:A laser distance meter 30 is attached, facing downward, to a transverse runner 20 which can freely run in the X-axial direction above a coil 10 introduced into a coil yard, and which can slightly move in the Y-axial direction. The laser distance meter 30 has a plurality of projecting parts Pa to P11 for projecting laser beams right downward, which are located in the center part of the transverse member 20 in the X-axial direction, and which are arranged at predetermined pitches in the Y-axial direction. The laser distance meter 30 receives reflected beams of the laser beams projected from the projecting parts P1 to P12 at light receiving parts M1, M2 so as to measure distances to reflecting points. A controller stores therein distances to a plurality of points measured by the laser distance meter 30, corresponding to the moving positions of the transverse runner 20, and performs several kinds of computation for specifying the position of the coil.

4. 发明专利

JPH06263387A COIL POSITION MEASURING DEVICE 失效
公开(公告)号：JPH06263387A
公开(公告)日：1994-09-20
申请号：JP8628192
申请日：1992-03-09
申请人： HITACHI KIDEN KOGYO KK , SANPA KOGYO KK
发明人： YAMAGATA TETSUO , ARAI RYOICHI
IPC分类号： B66C13/22 , B66C13/48 , G01B11/00
摘要： PURPOSE:To Precisely measure a position of a coil with the use of a laser distance meter. CONSTITUTION:A laser distance meter 34 moves in X- and Y-axial directions above a coil 10, and delivers a laser beam right downward from a light projecting part 32a, and receives a reflected beam at a light receiving part 34b on a light receiving axis B which is inclined from a light projecting axis A so as to measure a distance to a reflecting point, The light receiving axis B turns around the light projecting axis A of the laser distance meter 34. The laser distance meter 34 reciprocates above the coil 10 so to detect a position of an edge of the coil 10. When the laser distance meter 34 passes over the edge part of the coil 10, the light receiving axis is directed outside of the coil 10, and accordingly, it is possible to eliminate a measuring disable section due to a blind spot.

5. 发明专利

JP2000335720A SCUM SCRAPING-UP DEVICE 失效
公开(公告)号：JP2000335720A
公开(公告)日：2000-12-05
申请号：JP14578699
申请日：1999-05-26
申请人： HITACHI KIDEN KOGYO KK
发明人： HIRAI ATSUO , YAMAGATA TETSUO
IPC分类号： B65G19/00
摘要： PROBLEM TO BE SOLVED: To provide a scum scraping-up device allowing the use of a drive for a sludge scraping-up device for driving a scum scraping-up plate to ensure scraping-up and discharge of scum. SOLUTION: A scum scraping-up plate 34 which is mounted on an endless rope 33 for circulating movement in a vertical plane on a water surface of a waste water treatment tank is circulatingly driven in one direction by using a striker 51 mounted on a connection rod 5, at the lower end of which a sludge scraping-up device is supported for almost rectangular motion in a vertical plane with a drive 4, so that scum S floating on a water surface of the waste water treatment tank can be scraped up in one direction.

6. 发明专利

JP2000070613A SLUDGE SCRAPING MACHINE 失效
公开(公告)号：JP2000070613A
公开(公告)日：2000-03-07
申请号：JP24792698
申请日：1998-09-02
申请人： HITACHI KIDEN KOGYO KK
发明人： SHUDA MASAHARU , YAMAGATA TETSUO , MATSUOKA MASAO , MUTO EIICHI
IPC分类号： B01D21/18 , B01D21/24 , C02F1/40
摘要： PROBLEM TO BE SOLVED: To provide a sludge scraping machine which can scrape sludge deposited on the bottom of a sedimentation basin smoothly and surely by preventing a movable part from being embedded in sludge deposited on the bottom of the basin by controlling the posture of an arm having a scraping plate at its tip by a simple mechanism installed above a water surface. SOLUTION: An arm 26 having a scraping plate 25 for scraping sludge deposited on the bottom of a sedimentation basin 1 at its tip is supported swingably on a traveling body 22 circulating from the upper surface of a pin rack along the lower surface while engaging with the pin rack arranged horizontally above the water surface of the basin 1, and the posture of the arm 26 is controlled corresponding to the moving direction of the traveling body 22 by an arm posture controlling means.

7. 发明专利

JPH11124838A FOREIGN MATTER INVASION PREVENTION DEVICE OF COOLING WATER TAKING-IN OPENING IN POWER PLANT 失效
公开(公告)号：JPH11124838A
公开(公告)日：1999-05-11
申请号：JP30648497
申请日：1997-10-21
申请人： HITACHI KIDEN KOGYO KK
发明人： YAMAGATA TETSUO , IINUMA HAJIME , MUTO EIICHI
IPC分类号： E02B5/08 , E02B9/04
摘要： PROBLEM TO BE SOLVED: To provide the foreign matter invasion prevention device of a cooling water taking-in opening in a power plant in which water taking-in of a required amount can be performed without blocking a screen even in the case where a large quantity of foreign matters produces. SOLUTION: A screen 3 is constituted so that a plurality of columnar screen units 30 formed to be fixed on a rotary shaft 31 by providing a number of disks 32 at prescribed intervals are disposed so that the disks 32, 32 of the adjacent columnar screen unit 30 are overlapped. The screen 3 is set over the taking-in inlet 11a of a cooling water taking-in passage 11 and the discharge outlet 12a of a cooling water discharge passage 12 provided in the neighborhood thereof.

8. 发明专利

JPH1119410A DUST COLLECTOR AND ITS OPERATION 失效
公开(公告)号：JPH1119410A
公开(公告)日：1999-01-26
申请号：JP19514497
申请日：1997-07-04
申请人： HITACHI KIDEN KOGYO KK
发明人： HIRAI ATSUO , NAKAYAMA YOSHIO , YAMAGATA TETSUO , MATSUMOTO GUNJI , NAKATSUKA TAKAO
IPC分类号： B01D29/31 , B01D24/46 , B01D29/62
摘要： PROBLEM TO BE SOLVED: To provide a method of operating a dust collector in which impurities caught by a cylindrical screen are washed in sewage water to enable sanitary treatment of the impurities. SOLUTION: Impurities caught on a cylindrical screen 4 by introducing sewage water from a water receiving tank 1 are washed by sewage water introduced into the water receiving tank 1 by allowing a plunger 5 to retreat with a gate 7 installed at the head part of the cylindrical screen 4 being closed, and then, the gate 7 is opened and the plunger 5 is advanced, allowing the washed impurities to be sent toward a conveying pipe 6.

9. 发明专利

JPH10216634A SCREEN IN DUST COLLECTOR 失效
公开(公告)号：JPH10216634A
公开(公告)日：1998-08-18
申请号：JP3553197
申请日：1997-02-04
申请人： HITACHI KIDEN KOGYO KK
发明人： HIRAI ATSUO , NAKAYAMA YOSHIO , YAMAGATA TETSUO , NAKATSUKA TAKAO
IPC分类号： B01D29/25 , B01D29/31 , B01D29/44 , B07B1/12 , B30B9/14
摘要： PROBLEM TO BE SOLVED: To prevent clogging even if a mesh size of a screen is set small by forming the screen for collecting the soil sludge in sewage flowing in a water receiving tank in a cylindrical form in which crosssectional trapezoidal bars are arranged with a fixed spacing and the long side is arranged at the inner peripheral side and the short side is arranged at the outer peripheral side. SOLUTION: In a duct collector in which the screen 3 is provided at the lower part of the water receiving tank in which sewage flows from an inflow pipe, and a pressurizing member 4 is performed a reciprocation movement in the screen 3 to press the soil sludge and dehydrate, the screen 3 is cylindrically formed by arranging the crosssectional trapezoid bars 30 with a spacing becoming a mesh size of the screen 3, such that the long side 30a is arranged at the inner peripheral side and the short side 30b at, the outer peripheral side, and both end parts of respective bars 30 are fixed to flanges 31, 32 with welding, etc. A crossectional shape of the bar 30 is set at >=10 degrees in an opening angle θ of between side faces 30c opposed to an adjacent bar 30c. In order to secure a necessary strength on the bar 30, a ratio H/B between width H and thickness B of the bar 30 is set at >=3.

10. 发明专利

JPH108440A REFUSE BLOCKING DEVICE FOR INTAKE 失效
公开(公告)号：JPH108440A
公开(公告)日：1998-01-13
申请号：JP18115996
申请日：1996-06-21
申请人： KENSETSUSHO KINKICHIHOU KENSET , HITACHI KIDEN KOGYO KK
发明人： NAKADA MASATOSHI , KAMEI MINORU , SAKAGUCHI TAKUYA , YAMAGATA TETSUO , MUTO EIICHI , YONEDA AKIRA
IPC分类号： E02B7/02 , B01D33/00 , E02B5/00 , E02B5/08
摘要： PROBLEM TO BE SOLVED: To provide a refuse blocking device, by which refuse flowing in a river is not collected in the river side intake part of an inlet channel to be surely let flow downstream as it is in the river, thereby eliminating the need of troublesome work such as recovery and cleaning work for the screen surface, and a water level difference is artificially formed in a place where to install an intake, whereby some of river flowing water is let naturally flow into an inlet channel by utilizing the above water level difference without a commercial power supply. SOLUTION: Plural cylindrical screens S where many discs are fixed to a rotating shaft are rotatably arrayed at designated spaces, and arranged in such a manner that a disc of the adjacent cylindrical screen S is inserted in the interval between the discs of the cylindrical screen S to construct a multiple rotary disc screen. The thus constructed multiple rotary disc screen is installed in an intake 3 of an inlet channel. A sheathing board 8 crossing the river 1 is disposed downstream from the intake 3 of the river.

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