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2. 发明专利

JPS5564161A PROTECTION OF GUIDE VANE 失效
公开(公告)号：JPS5564161A
公开(公告)日：1980-05-14
申请号：JP13673678
申请日：1978-11-08
申请人： HITACHI LTD
发明人： YAMANE YOUICHI , KAMATA TSUTOMU , TAKAGI NOBUSUKE , TAKASE MITSUO
IPC分类号： F03B3/18
摘要： PURPOSE:To reset securely and easily to an initial normal position a connecting pin interconnecting a guide vane control link and a guide vane, by using a forcing-in means and an insert even if the connecting pin has transferred in any direction. CONSTITUTION:When the weak point pin 4A of a guide vane 8 has broken due to the obstacle biting of the guide vane 8 and connecting pin 5A has come close to the driving pin 2 side of a link 3 in closure process, a forcing-in device 14 is contacted with the end surface of the seat 12 of the connecting pin 5A and the other end of the seat 12 is supported on the pin 2 by 15. And the connecting pin 5A is reset to initial normal position by operating forcing-in device 14. If an obstacle is bitten between the guide vane 8 and a stay vane 10 and the connecting pin 5A transfers apart from the pin 2 in opening process, an insert 18 with a desirable thickness is fitted between the bosses 16 and 17 of a guide vane lever 6, a gate ring 1 is totally closed, and the connecting pin 5A is reset.

3. 发明专利

JPS552820A GASKET STRUCTURE FOR JOINT FLANGE 失效
公开(公告)号：JPS552820A
公开(公告)日：1980-01-10
申请号：JP7424978
申请日：1978-06-21
申请人： HITACHI LTD
发明人： OONAKA HIROSHI , KAMATA TSUYOSHI , TAKASE MITSUO , YAMANE YOUICHI
IPC分类号： F16J15/10 , F16J15/06
摘要： PURPOSE:To prevent water leakage for sure by providing a special gasket in the T-shaped gasket part of a joint flange in the contacting part with water fluid in a water wheel and the like for a joint flange structure with T-shaped divided face. CONSTITUTION:Round rubber gaskets 6 and 7 are provided to joint flanges 2 and 5 for a casing 1, an under cover 4, and other parts in a pump water wheel and the like. A round packing hole is formed in the T-shaped part of the gaskets 6 and 7 inserted into the divided face of joint flanges 2 and 5 to be filled with a round gasket 13 made of elastic substance for promoting the water-sealing effect in the T-shaped devided face. Besides, a screw part is provided on one side of the packing hole for screwing a fastening botl. Thus,the gasket in the T-shaped part can be fastened for promoting the water-sealing effect.

4. 发明专利

JPS60201182A SPRING TYPE VIBRATION-PROOF INSTRUMENT FOR PIPE 失效
公开(公告)号：JPS60201182A
公开(公告)日：1985-10-11
申请号：JP5611484
申请日：1984-03-26
申请人： HITACHI LTD , NHK SPRING CO LTD
发明人： YOSHINAGA TOSHIAKI , AOKI MASATAKA , GOTOU KANEO , YAMANE YOUICHI , OTOKOTO HIROSHI
IPC分类号： F16L3/20 , F16L3/215

5. 发明专利

JPS5557667A GUIDE VANE PROTECTOR 失效
公开(公告)号：JPS5557667A
公开(公告)日：1980-04-28
申请号：JP12846778
申请日：1978-10-20
申请人： HITACHI LTD
发明人： YAMANE YOUICHI , KAMATA TSUTOMU , OONAKA HIROSHI , TAKASE MITSUO
IPC分类号： F03B3/18
摘要： PURPOSE:To suppress the relative movement between a coupling pin and a link and prevent a guide vane from being broken when it bites an extraneous substance and is hindered from revolving, by providing a brake comprising a spring and coupling pin seats on the top and bottom of the link. CONSTITUTION:Recesses 36, each of which has two slopes 33 per groove, are provided on the top of a link 3, which faces a seat 5. The seat 5 is provided with slopes 51 at a prescribed clearance delta1 to the slopes 33. When a guide vane bites an extraneous substance and is hindered from revolving and a weak 1 is broken and relative movement takes place between the link 3 and a coupling pin 2, the slopes of the link and the seat come into contact with each other and the link 3 and the coupling pin 2 move in parallel with each other along the slopes and the seat 5 loosely fitted on the coupling pin 2 is pushed up by another clearance delta2. As a result, the seats 5, 6 are thrusted on the link 3 by a spring 4 and the coupling pin does not drastically collide against a groove wall 34 or 35 of the link 3. An adjacent guide vane is thus prevented from being broken.

6. 发明专利

JPS542964A GUIDE OF ROLLING MILL 失效
公开(公告)号：JPS542964A
公开(公告)日：1979-01-10
申请号：JP6796377
申请日：1977-06-10
申请人： HITACHI LTD
发明人： YAMANE YOUICHI
IPC分类号： B21B39/14 , B21B39/16
摘要： PURPOSE:The titled apparatus which can surely given the clearance between the roll and the end face of the guide, and permits the roll rearrangement without trouble, by installing the freely swinging adjustable guide plate to the guide bar removably attached from upside to each space of the upper work chocks and of the lower work chocks.

10. 发明专利

JPS60245890A SPRING TYPE RESTRAINT 失效
公开(公告)号：JPS60245890A
公开(公告)日：1985-12-05
申请号：JP10220384
申请日：1984-05-21
申请人： HITACHI LTD , NHK SPRING CO LTD
发明人： YOSHINAGA TOSHIAKI , AOKI MASATAKA , YAMANE YOUICHI , TANOHATA YOSHINORI , OTOKOTO HIROSHI
IPC分类号： F16L3/16

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