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11. 发明专利

JPH0412267A PRESSURE VESSEL DETECTING DEVICE 失效
公开(公告)号：JPH0412267A
公开(公告)日：1992-01-16
申请号：JP11645090
申请日：1990-05-01
申请人： BABCOCK HITACHI KK
发明人： UMENISHI KOUJI , ITO MORIO
IPC分类号： G01N29/04 , G21C17/003
摘要： PURPOSE:To prevent the generation of vibration caused by wear and to improve the reliability and the handlability by providing a whole mast so as to be freely movable in the radial direction of an RPV on a carriage, and also, constituting the device so that an arm ascends and descends along the lower mast. CONSTITUTION:When the upper and the lower masts 16, 18 are allowed to descend vertically, a mast guide 15 and the masts 16, 18 are fixed to a mast supporting base 26 of a carriage 14 so that a head 20 and an arm 19 do not abut on a feed water sparger 7 and a reactor core spray inner tube 8 in an RPV 1, and thereafter, the mast 16 is allowed to descend until a guide roller 44 of the lower end part of the mast 18 approaches the upper shroud 6. Subsequently, by moving a supporting base 26 in the radial outside direction of the RPV 1, the masts 16, 18 are allowed to approach the wall surface of the RPV 1, the arm 19 and the head 20 are crept in right under the sparger 7 and the inner tube 8, and the mast 18 is allowed to descend until the roller 44 comes into contact with the inner wall. While the head 20 is scanning, only the arm 19 moves, and the mast 18 remains still. In such a way, play caused by wear of the mast supporting part is obviated.

12. 发明专利

JPS6446695A METHOD FOR OPENING AND CLOSING UPPER CAP OF REACTOR PRESSURE VESSEL AND SAID REACTOR PRESSURE VESSEL 失效
公开(公告)号：JPS6446695A
公开(公告)日：1989-02-21
申请号：JP20363287
申请日：1987-08-17
申请人： BABCOCK HITACHI KK
发明人： NAKAJIMA MASAKATSU , TAKAMOTO SHINICHI , SHIGEHIRO KATSUYA , TANAKA YOSHIHARU , ITO MORIO
IPC分类号： G21C13/02 , G21C13/00 , G21C19/02
摘要： PURPOSE:To shorten stages and to prevent sticking by rust by holding a cylindrical body to an upper cap when bolts fixing the upper cap and the cylindrical body are detached from the cylindrical body side and carrying the upper cap to a prescribed position by a hoisting means. CONSTITUTION:The stud bolts 1 are held together with nuts 2 and washers 3 to the upper cap 7 as shown in the figure and this upper cap 7 is carried to the cylindrical body 9 in the case of mounting the upper cap 7 to the cylindrical body 8. Since the upper cap 7 is carried integrally with the stud bolts 1 without particularly removing the individual nuts 2 and the washers 3 and, therefore, the operation for opening and closing the upper cap 7 is extremely facilitated. Since the total number of the stud bolts 1 are removed from the flange 6a of the cylindrical body, the sticking of the bolts 1 and the thickness decrease by the corrosion thereof are averted at the time of water flooding.

13. 发明专利

JPS63289446A INTERNAL TUBE INSERTION TYPE ULTRASONIC FLAW DETECTION PROBE 失效
公开(公告)号：JPS63289446A
公开(公告)日：1988-11-25
申请号：JP12259287
申请日：1987-05-21
申请人： BABCOCK HITACHI KK
发明人： ITO MORIO , NAGASHIMA TOSHIJI
IPC分类号： G01B17/02 , G01N29/04
摘要： PURPOSE:To enable meaurement of the thickness of a tube regardless of deformation in the sectional shape thereof, by arranging plate springs supporting a sensor movable in a radial direction independent of each other to support a sensor support portion in such a manner as to freely oscillate circumferentially. CONSTITUTION:A probe 2 is made up of a front plate spring 21 and a rear plate spring 22 as holding means fastened on both sides of a guide member 11, a support bar 23 having a sensor 13 mounted thereon, an intermediate plate spring 24 composing a support means of the sensor 13 together therewith and a coil spring 25 adapted to energize the support bar 23 outward radially. Then, plate springs 21 and 22 are provided with eight each of arms 21a and 22a extended radially and are engaged with both ends 24a and 24b of the plate spring 24. The engagement is loose in the connection with an engaging pawl and allows circumferential oscillation of a tube 1 within a range of chattering thereof. The support bar 23 is somewhat energized outward radially with the plate spring 24 and the plate springs 21 and 22 and further done with the coil spring 25 outward in a radial way. In this manner, a roller 14 of the probe 2 is pressed securely on the inner wall of the tube.

14. 发明专利

JPS62263871A PIPE FITTING STRUCTURE IN CONTAINER MIRROR PART 失效
公开(公告)号：JPS62263871A
公开(公告)日：1987-11-16
申请号：JP10647286
申请日：1986-05-09
申请人： BABCOCK HITACHI KK
发明人： ITO MORIO , URAGAMI YOJI
IPC分类号： G21C13/00 , B23K9/00 , B23K9/028 , B23K33/00
摘要： PURPOSE:To facilitate the welding work and strongly weld with not less welding metals by projecting a convex curved surface part on the pipe penetration part of a mirror part and welding the open peripheral edge thereof and a pipe, in case of welding a pipe with its penetration to the mirror part in the spherical part of a container. CONSTITUTION:In case of fitting plural metal pipes 2 by welding with penetration in parallel each other to the whole face of the mirror part 1 formed on the spherical part of a metal container, the convex curved surface part 8 formed with a hollow spherical seat on the inner lining material 5 of the container is provided with projection at the position where the pipe 2 of the mirror part 1 is penetrated. The pipe 2 is welded at a weld zone 7 by penetrating the pipe 2 through this part 8. In this case, the centers O, Q of the mirror part 1 and convex curved surface part 8 are made optional and the angle alpha formed by the pipe 2 and convex curved surface 8 is not constant around the pipe 2 but the shape becomes simple. Or the curvature center Q of the convex curved surface is placed on the axial line of the pipe 2 or the cross point S of the axial line of the pipe 2 and the surface of the mirror part 1. In this way the welding of the mirror part 1 and pipe 2 becomes extremely easy.

15. 发明专利

JPH1082600A DEVICE FOR SHOOTING PRACTICE 失效
公开(公告)号：JPH1082600A
公开(公告)日：1998-03-31
申请号：JP23626796
申请日：1996-09-06
申请人： BABCOCK HITACHI KK
发明人： HIRAMATSU TETSUYUKI , ITO MORIO , MATSUO YOSHIO , IMAIDE HIDETOSHI
IPC分类号： F41J11/00 , F41J7/06 , F41J9/02 , F41J1/18
摘要： PROBLEM TO BE SOLVED: To provide a shooting practicing device which enables a trainee to carry out a shooting practice efficiently, wherein the trainee can carry out the shooting practice in a condition which is close to an actual situation where one receives an attack from a culprit who moves in a zigzag manner or dodges about. SOLUTION: In a shooting practice device, a target carriage 9 is suspended from a track rail 11 mounted on a ceiling 14 of a firing range. A target 2 is mounted on the target carriage 9 by way of a target support strut 8. At one end of the track rail 11, a carriage drive device 13 is disposed and the target carriage 9 is connected to this carriage drive device 13 by means of a wire rope 12. The target carriage 9 incorporates a mechanism which moves the target 2 in a left or right direction and a bobbing mechanism which rotates the target support strut 8. The target carriage 9 can be moved in a front or backward direction relative to a shooter 1 by towing the wire rope 12, while the target 2 can be moved in a left or right direction. Such a movement of the target 2 in a front or backward direction as well as in a left or right direction, the stoppage of the target 2, the moving speed of the target 2, and the bobbing timing of the target 2 are arbitrarily controlled.

16. 发明专利

JPH0366571A DETACHING DEVICE FOR LARGE SIZED NUT 失效
公开(公告)号：JPH0366571A
公开(公告)日：1991-03-22
申请号：JP20255589
申请日：1989-08-03
申请人： BABCOCK HITACHI KK
发明人： HAZEKAWA MASAYOSHI , YAMAMOTO KOJI , HONDA KIICHIRO , ITO MORIO
IPC分类号： B25B21/00 , B23P19/06
摘要： PURPOSE:To grasp a nut surely and stably at all times by detecting the positional relation in the bolt shaft center direction of a nut rotating member and the nut face, and providing a means controlling the movement in the bolt shaft center direction of the rotating member so that the groove engaging part of the nut rotating member may be engaged with the groove of a nut based on this detection result. CONSTITUTION:A nut rotating and driving part 60 of a spline shaft 63, etc., is relatively descended to a link 51 because of the device upper part containing the spline shaft 63 continuing with its descent even in case of the descent of the nut rotating and driving part 60, etc., being stopped. A detecting body provided at the nut rotating and driving part 60 comes in the detection range of a sensor 53 to detect the detection part of the detecting body. The detection signal transmitted from this sensor 53 is input to a control device 70 and a driving motor 68 is stopped by a command signal transmitted from the control device 70. At this time, the pressing force of a claw 64 to the nut is decided by the stroke of the nut rotating and driving part 60 until the sensor 53 is operated after a claw 64 for rotating the nut being brought into contact with the upper end of the nut.

17. 发明专利

JPS63157050A DEVICE FOR INSPECTING INTERNAL SURFACE OF NUCLEAR PRESSURE CONTAINER 失效
公开(公告)号：JPS63157050A
公开(公告)日：1988-06-30
申请号：JP30386586
申请日：1986-12-22
申请人： BABCOCK HITACHI KK
发明人： ITO MORIO
IPC分类号： G21C17/003 , G01N29/04 , G21C17/00
摘要： PURPOSE:To improve safety by inverting torque transmission mutually between two power sources in normal use and two driven bodies. CONSTITUTION:Spline/idle shafts 34A and 34B and drive shafts 38A and 38B are arranged in three dimensions, and the rotating speeds of the shafts 38A and 38B are transmitted to encoders 44A and 44B by pulleys 40A and 40B, and 46A and 46B, and belts 45A and 45B. Further, spline gears 35 (35A and 35B) are placed where they engage gears 37A and 37B by the resiliency of springs 41A and 41B when arm driving sources 23 (23A and 23B) operate normally. If one driving source 23 becomes faulty, spline pressures 48A and 48B move until the gears engage idle gears 36A and 36B. Consequently, if one driving source 23 is broken, a piston rod is moved by a cylinder to move the gears 35 by the spline pressures 48A and 48B, thereby switching torque transmission paths. The safety is therefore improved.

18. 发明专利

JPS62116296A Monitor test piece detachable device for pressure vessel of nuclear reactor 失效
标题翻译：用于核反应堆压力容器的监测器可拆卸装置
公开(公告)号：JPS62116296A
公开(公告)日：1987-05-27
申请号：JP25733685
申请日：1985-11-16
申请人： Babcock Hitachi Kk
发明人： UEDA SHUSAKU , SHIGEHIRO KATSUYA , ITO MORIO , OKADA KENJI , HASEGAWA MASAYOSHI
IPC分类号： G21C17/003 , G21C17/00

19. 发明专利

JPS62854A INSPECTING DEVICE FOR PRESSURE CONTAINER 失效
公开(公告)号：JPS62854A
公开(公告)日：1987-01-06
申请号：JP13987885
申请日：1985-06-26
申请人： BABCOCK HITACHI KK
发明人： ITO MORIO , KONDO YOSHIHIDE , UEDA SHUSAKU , SHINDOU TAKENORI , KUBO MASAO
IPC分类号： G01N29/04 , G01N29/26 , G21C17/00 , G21C17/003
摘要： PURPOSE:To perform the in-service inspection (ISI) of the core part of a reactor pressure vessel easily and accurately by providing a mast which is supported on a carriage moving along a ring girder and expansible in the upper and lower directions of the pressure vessel. CONSTITUTION:The carriage 14 is moved along the ring girder 13 installed at the main flange part 12 of the reactor pressure vessel 1. An upper mast 16 which has an expansible lower mast 18 is fitted to the carriage 14 across a reinforcing body 17. An arm 19 which moves in a peripheral direction along the wall surface of the pressure vessel 1 is provided to the lower end part of the mast 18 and a sensor which inspects the pressure vessel 1 is provided at the top of the arm 19. The carriage 14 is moved along the ring girder 13 to a specific position, the mast 18 is lowered from the position while avoiding an obstacle in a narrow space, and then the arm 19 is moved in the peripheral direction of the vessel to perform ultrasonic flaw detection, television observa tion, etc., from the internal surface side of the pressure vessel 1 by the sensor provided at the top of the arm 19.

20. 发明专利

JPH09318299A FIRE EXERCISE DEVICE 失效
公开(公告)号：JPH09318299A
公开(公告)日：1997-12-12
申请号：JP13672196
申请日：1996-05-30
申请人： BABCOCK HITACHI KK
发明人： ITO MORIO , HIRAMATSU TETSUYUKI , IMAIDE HIDETOSHI , MATSUO YOSHIO
IPC分类号： F41J1/10 , F41J9/02
摘要： PROBLEM TO BE SOLVED: To prevent the occurrence of the damage, breakage, and ricochet of service ammunition by a method wherein a target truck is arranged in a state to suspend from trucks for movement on both sides between support structures built underfloor or at the back of a ceiling. SOLUTION: Two trucks 11 for movement are arranged on the sides in a running direction of a target truck 9 and mounted on a concrete slab 17 to support a firing range floor 10. Two running wheels engaged with respective running wheels 20 engaged with the upper surface of the truck 11 for movement, one lower guide wheel 21 engaged with an under surface, and two side guide wheels 22 engaged with sides are arranged. The target truck 9 is provided on the front side with an armor plate 23 and a gap is provided between a rubber plate and a steel plate through a spacer made of a resin. An armor plate made of a resin covered with a rubber is mounted above the target truck 9. This constitution prevents the damage of the truck 11 for movement due to direct shot and also prevent the occurrence of ricochet. Thus, soundness of a device is ensured and safety is improved.

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