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1. 发明专利

JPH1172140A BASE ISOLATION DEVICE 失效
公开(公告)号：JPH1172140A
公开(公告)日：1999-03-16
申请号：JP12171098
申请日：1998-04-14
申请人： OKUMURA CORP , OILES INDUSTRY CO LTD
发明人： OTSUKA SUSUMU , HAYAKAWA KUNIO , SHIMODA IKUO , SUZUKI KIYOHARU , MOCHIMARU MASAKI , MIYAZAKI MITSURU
IPC分类号： E04B1/36 , E04H9/02 , F16F15/02
摘要： PROBLEM TO BE SOLVED: To provide a base isolation device whose structure is simple and assembling and execution work can be easily and accurately performed and which hardly causes a resonance phenomenon to an earthquake wave and can perform the excellent base isolation function. SOLUTION: Upper and lower roller guide surfaces 3 and 4 where a lengthwise dirctional central part is formed as a recessed circular arc surface in the same direction and an extending part from its both ends is formed as a projecting circular arc surface, are formed on four-side opposed surfaces of upper and lower interposingly pressing members 1 and 2 formed in a rectangular frame shape, and cross-sectional circular rollers 5 are interposed between the respective upper and lower roller guide surfaces 3 and 4, and a base isolation mechanism is constituted, and a base isolating device is constituted by arranging this base isolation mechanism by two units by being vertically superposed on each other so that the rolling directions of the rollers 5 cross at a right angle to each other, and at earthquake happening time, longitudinal and lateral earthquake waves are absorbed and damped by rolling the rollers 5 by contacting with the respective upper and lower roller guide surfaces 3 and 4.

2. 发明专利

JPH1113829A BASE ISORATION DEVICE 失效
公开(公告)号：JPH1113829A
公开(公告)日：1999-01-22
申请号：JP18579197
申请日：1997-06-25
申请人： OKUMURA CORP , OILES INDUSTRY CO LTD
发明人： OTSUKA SUSUMU , HAYAKAWA KUNIO , SHIMODA IKUO , SUZUKI KIYOHARU , MOCHIMARU MASAKI , MIYAZAKI MITSURU
IPC分类号： E04B1/36 , E04H9/02 , F16F15/02
摘要： PROBLEM TO BE SOLVED: To provide a base isolation device which is a simple structure and provide good base isolation performance, by forming a roller guide surface on four facing surfaces of a vertical pressing member, and combining integrally upper and lower base isolation mechanisms each other where a roller with circular section is arranged between upper roller guide surface and lower roller guide surface such that roller rolling directions of the upper and lower base isolation mechanisms cross each other. SOLUTION: In an upper base isolation mechanism A1, a roller 5 is rotatably placed between upper and lower guide surfaces 3, 4 respectively in upper and lower pressing members 1, 2. In a lower base isolation mechanism A2, similar to the upper base isolation mechanism A1, a roller 5 is rotatably placed between the upper and lower guide surfaces 3, 4 orthogonally to the rolling direction of the roller in the upper base isolation mechanism A1. A vibration damping means D is placed, so that when an earthquake stops, the roller 5 quickly stops at original standing position and the upper and lower pressing members 1, 2 are returned to their original states. This vibration damping means D consists of viscous oil 6 and a rebounding member 7, and the rebounding member 7 is integrally stuck on the center of the bottom surface in a supporting beam member 9 of the upper base isolation mechanism A1.

3. 发明专利

JPH08277653A LEAD DAMPER WITH AXIAL SHIFT ADJUSTING MECHANISM 失效
公开(公告)号：JPH08277653A
公开(公告)日：1996-10-22
申请号：JP10488895
申请日：1995-04-05
申请人： KAJIMA CORP , OILES INDUSTRY CO LTD
发明人： YAMADA SHUNICHI , TAKENAKA YASUO , ARITA TOMOHIKO , MIYAGAWA NOBUYUKI , SHIMODA IKUO , IKENAGA MASAYOSHI , MIYAZAKI MITSURU
IPC分类号： E02D27/34 , E04H9/02 , F16F7/12 , F16F15/02
摘要： PURPOSE: To mitigate the vertical stress fluctuation and secure the pure shearing deformation of a lead body by arranging a plastic deformation section having the lead body on one side of a structure, and arranging a vertical guide mechanism allowing only the vertical shift and a reaction mechanism section exciting against the axial displacement of the vertical shift on the other side. CONSTITUTION: When earthquake force is applied, upper and lower structures G, B are relatively displaced. Shearing deformation force is applied to the whole lead damper D, and a plastic deformation is applied to the lead body 4 of a plastic deformation section 1 by the shearing force. Since an axial shift adjusting mechanism section 2 interlocked with the plastic deformation section 1 allows a vertical shift, the height change quantity by the deformation is absorbed. The plate spring 19 of a reaction mechanism section 2B is deformed and generates retracting force in response to the height quantity. No excessive tensile resistance is applied to the lead body 4, and the pure shearing deformation is applied. A large energy absorbing capability is obtained for the lead body 4 with a fixed cross section, and the lead body 4 can be miniaturized for the same energy absorbing capability.

4. 发明专利

JP2000081363A SEISMIC BASE ISOLATION DEVICE ANALYSIS METHOD AND STORAGE MEDIUM RECORDING SEISMIC BASE ISOLATION DEVICE ANALYSIS PROGRAM 失效
公开(公告)号：JP2000081363A
公开(公告)日：2000-03-21
申请号：JP25021798
申请日：1998-09-04
申请人： FUJITA CORP , OILES INDUSTRY CO LTD
发明人： HIYOU TOKUMIN , MIYAMA TAKASHI , TORII TSUGIO , SHIMODA IKUO , KAJIKI SHIGEAKI , MIYAZAKI MITSURU
IPC分类号： G01M7/00
摘要： PROBLEM TO BE SOLVED: To provide a seismic base isolation device analysis method for accurately analyzing the behavior of an actual seismic base isolation device and appropriately optimizing the design value of the seismic base isolation device and structure, and a storage medium for recording a seismic base isolation device analysis program. SOLUTION: An amount-of-displacement input step where information that indicates the amount of displacement changing with time is inputted from an amount-of- displacement input part is executed (S100). Then, an analysis step for calculating reactive force is executed corresponding to the amount of displacement being inputted and the history of the amount of displacement (S200). Then, an analysis result output step for outputting an analysis result that indicates reactive force being calculated by the analysis step is executed (S300). Every time when one amount of displacement is inputted, each of the above steps S100, S200, and S300 is executed. In the analysis result output step, the characteristic chart of the amount of displacement versus reactive force is outputted by a printer or the like based on the reactive force that is calculated by the analysis step.

5. 发明专利

JPH11108098A VIBRATIONAL ENERGY ABSORBING DEVICE 失效
公开(公告)号：JPH11108098A
公开(公告)日：1999-04-20
申请号：JP29155397
申请日：1997-10-07
申请人： MITSUBISHI HEAVY IND LTD , OILES INDUSTRY CO LTD
发明人： TAI KOICHI , SUMIYA HIROFUMI , WAKABAYASHI CHIHIRO , IKENAGA MASAYOSHI , MIYAZAKI MITSURU , SASAKI KOSUKE
IPC分类号： E04H9/02 , F16F7/12 , F16F15/02
摘要： PROBLEM TO BE SOLVED: To prevent the generation of excessive stress in a structural body which is thermally expanded by charging lead in a space between an inner peripheral surface of a cylinder and an outer peripheral surface of a rod, plastically flowing the lead through relative movement of the rod in the axial direction, and absorbing vibrational energy. SOLUTION: A rod 3 is connected and fixed to a structural body, for example, a thermally expandable piping, by means of a fixture 11. When the piping is relatively vibrated by earthquake etc., the rod 3 is moved relatively to a cylinder 2 in an axial direction A. Lead 7 is plastically flowed through a circular passage determined by an expanded portion 35 of the rod 3 and an inner peripheral surface 4 of the cylinder 2. Pressure inside the cylinder 2 which is determined based on the size of the circular passage is alternatively applied to both blocked ends of the cylinder 2, that is, lid means 21 and 22. The pressure serves as resistance against relative movement in the axial direction A. It is thus possible to eliminate vibration energy by deformation of the plastically fluidized lead 7 and prevent deterioration of the piping.

6. 发明专利

JPH10196157A ENERGY ABSORPTION DEVICE 失效
公开(公告)号：JPH10196157A
公开(公告)日：1998-07-28
申请号：JP35894096
申请日：1996-12-27
申请人： MITSUBISHI HEAVY IND LTD , OILES INDUSTRY CO LTD
发明人： KOJIMA NOBUYUKI , TAI KOICHI , NAKAMURA TOMOMICHI , IKENAGA MASAYOSHI , MIYAZAKI MITSURU
IPC分类号： E04H9/02 , F16F9/30 , F16F15/02
摘要： PROBLEM TO BE SOLVED: To obtain constant vibration energy absorptivity by forming projecting bodies projected at intervals in the axial direction and setting the ratio of height to a space in the mutually adjacent projecting bodies in a specified value or less. SOLUTION: A cylinder 2 is connected to one structure. A rod 3 is coupled with the other structure. When vibrations are generated between the rod 3 and the cylinder 2, lead 7 is fluidized plastically into space 6 between the outer circumferential surface 5 of the rod 3, to which projections 41 are formed, and the inner circumferential surface 4 of the cylinder 2, and vibration energy is absorbed by the displacement of lead 7. Since the plastic fluid of lead 7 is dispersed at that time, the absorption of vibration energy is also dispersed, and heat generation in the vicinity of the projections 41 is also dispersed. Consequently, plastic fluid resistance is not lowered by the temperature rise of lead 7. The ratio H/D of the height H of the mutualy adjacent projecting bodies to axial spaces D is set in 0.25 or less, preferably 0.2-0.25, more preferably 0.15-0.2 at that time. Accordingly, constant energy absorptivity can be ensured during a time when vibrations are continued.

7. 发明专利

JPH0797828A LEAD-SEALED LAMINATED RUBBER SUPPORT 失效
公开(公告)号：JPH0797828A
公开(公告)日：1995-04-11
申请号：JP26585393
申请日：1993-09-29
申请人： OILES INDUSTRY CO LTD
发明人： SHIMODA IKUO , MIYAZAKI MITSURU
IPC分类号： E01D19/04 , E04B1/36 , E04H9/02 , F16F15/04
摘要： PURPOSE:To make adjustment at desired rigidity by applying the constitution where a plastic deformation section is formed out of a rod body of plastic material having higher hardness than pure lead material and inserted in the lead plug of the pure lead material, and sealed like a columnar form into a laminated rubber body. CONSTITUTION:A columnar laminated rubber body 1 is formed so as to have a rubber elastic layer 12 and a reinforcement plate 13 like a steel sheet alternately arranged, and a round through-hole 10 along a vertical direction at the center. Also, a rod body 16 made of lead alloy or the like having higher hardness than pure read is inserted in a lead plug 15 of pure lead, and an upper mounting plate 3 and a lower mounting plate 4 integrally clamp the rubber body 1 and the rod body 16. A lead-sealed laminated rubber support S is thereby formed. In addition, the support S is laid between an upper structure G and a lower structure B, and anchor steel rods 18 and 21 are respectively threaded into screw holes 18 and 20 for fastening.

8. 发明专利

JPH06307483A ENERGY ABSORBER 失效
公开(公告)号：JPH06307483A
公开(公告)日：1994-11-01
申请号：JP11901793
申请日：1993-04-21
申请人： OILES INDUSTRY CO LTD
发明人： SHIMODA IKUO , MIYAZAKI MITSURU
IPC分类号： E04H9/02 , F16F7/12 , F16F9/30 , F16F15/02
摘要： PURPOSE:To provide an energy absorber which has little influence of resistance upon the sealing degree of lead, and can take a countermeasure against the expansion of lead due to temperature change easily and design it precisely with desired characteristics. CONSTITUTION:This energy absorber 1 is provided with a cylinder 4 whose whose ends 2, 3 are closed, a rod 7 which can move relatively to the cylinder 4 and is disposed, passing through both ends 2, 3 of the cylinder 4, and a lead 8 which is extended to the recessed part 6 of the rod 7 and is disposed in the cylinder 4.

9. 发明专利

JPH03147836A MANUFACTURE OF LAMINATED RUBBER ELASTIC SUPPORT 失效
公开(公告)号：JPH03147836A
公开(公告)日：1991-06-24
申请号：JP28817689
申请日：1989-11-06
申请人： OILES INDUSTRY CO LTD
发明人： SUZUKI AKIO , MIYAZAKI MITSURU
IPC分类号： E01D19/04 , B29D99/00 , B29K21/00 , B29K105/20 , B29L9/00 , B29L31/00 , B32B25/04 , B32B37/00 , E01D101/00 , E01D101/40 , F16F1/36 , F16F1/40
摘要： PURPOSE:To simplify manufacturing process without cutting rubber elastic body and contrive to reduce manufacturing cost and, at the same time, enhance durability by a method wherein the vulcanizingly forming of laminates formed in the space of a bottom force under heat and pressure is performed by deforming rubber bodies pinched with reinforcing sheets accompanied with the pressing of the green rubber bodies with a top force so as to produce concave surface parts after the shape of frames. CONSTITUTION:A laminated rubber body 8 is formed by successively laminating several pairs of supporting pieces, each pair of which consists of a reinforcing sheet 5, which is installed on the space 4 of a bottom force 3 having a square planar shape, a frame 6, which are formed by placing frame pieces 6c having one convex surface part 6a and the other plane surface part 6b in cross-section at the peripheral edges of the reinforcing sheet 5 under the condition that the convex surface faces 6a inside, and a green rubber body 7, which is inserted in the frame 6 and has the thickness protruding beyond the frame 6, and by placing another separate reinforcing sheet 5 on the top surface of the green rubber body of the uppermost pair of the supporting pieces. At this time, the surface which comes into contact with the green rubber body 7, of each reinforcing sheet 4 is roughened in advance by blasting and coated with adhesive. By lowering the top force 2 of a mold assembly 1 by means of driving mechanism, the laminated body 8 is pressed.

10. 发明专利

JPH0797827A LEAD-SEALED LAMINATED RUBBER SUPPORT 失效
公开(公告)号：JPH0797827A
公开(公告)日：1995-04-11
申请号：JP26585293
申请日：1993-09-29
申请人： OILES INDUSTRY CO LTD
发明人： SHIMODA IKUO , MIYAZAKI MITSURU
IPC分类号： E01D19/04 , E04B1/36 , E04H9/02
摘要： PURPOSE:To maintain net shearing deformation characteristics over a long term by sealing a plastic deformation section formed out of lead plates and divisions alternately stacked vertically like a columnar form in a laminated rubber body. CONSTITUTION:A columnar laminated rubber body 1 is formed so as to have a rubber elastic layer 12 and a reinforcement plate 13 like a steel sheet alternately arranged and a round through-hole 10 along a vertical direction at the center. Also, a lead plate 15 and a division 16 such as a steel plate are alternately stacked and tightly sealed into the hole 10 of the body 1. Furthermore, an upper mounting plate 3 and a lower mounting plate 4 integrally clamp the body 1 and the sealed body, and a lead-sealed laminated rubber support S is thereby formed. In addition, the support S is provided between an upper structure G and a lower structure B, and anchor steel rods 18 and 21 are respectively threaded into screw holes 17 and 20 for fastening.

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