WO2011077884A1 - ゴム支承装置 - Google Patents
ゴム支承装置 Download PDFInfo
- Publication number
- WO2011077884A1 WO2011077884A1 PCT/JP2010/070877 JP2010070877W WO2011077884A1 WO 2011077884 A1 WO2011077884 A1 WO 2011077884A1 JP 2010070877 W JP2010070877 W JP 2010070877W WO 2011077884 A1 WO2011077884 A1 WO 2011077884A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rubber
- bridge axis
- notch
- bearing device
- direction perpendicular
- Prior art date
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/041—Elastomeric bearings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
- E01D19/047—Pot bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
Definitions
- the present invention relates to a rubber bearing device, and more particularly, to a rubber bearing device that can be made compact by reducing the thickness and width while having a function of stopping the lifting force.
- the conventional rubber bearing device 8 having a function of preventing the lifting force is configured by alternately stacking the steel plates 3 and the rubber layers 5 with the uppermost steel plate 3 a as the uppermost stage and the lowermost steel plate 3 b as the lowermost stage.
- the rubber laminate 2 was formed, and the upper rod 9 was installed on the upper end steel plate 3a.
- positioned on the both sides of the bridge axis orthogonal direction (Y direction) of the rubber laminated body 2 was made to oppose the notch part 9a of the upper collar 9 with a gap.
- the notched portion 9a of the opposing upper collar 9 and the upper end protruding portion 7a of the side block 7 come into contact with each other to function as an upper lifting force stop.
- the lower part of the upper rod 9 is protruded in the direction perpendicular to the bridge axis, and is opposed to the inner side surface 7c of the side block 7 with a gap.
- the upper collar 9 has been a factor that hinders the compactness of the device. From the viewpoints of the installation space limitation and cost reduction of the rubber bearing device, there has been a demand for a rubber bearing device having an uplift stop function that makes the entire device more compact.
- An object of the present invention is to provide a rubber bearing device that can be made compact by reducing the thickness and width while having a function of preventing the lifting force.
- a rubber bearing device of the present invention comprises a rubber laminate in which steel plates and rubber layers are alternately laminated and vulcanized and bonded to each other, and both sides of the rubber laminate in the direction perpendicular to the bridge axis.
- the corner is provided with a notch that extends in the direction of the bridge axis, and this notch is retracted to the inside of the side surface of the rubber laminate where the rubber layer is present in the direction perpendicular to the bridge axis.
- the upper end projecting portion of the side block is opposed to the notch with a gap, and the gap between the notch and the upper projecting portion in the direction perpendicular to the bridge axis is the rubber layer where the rubber layer exists.
- the side of the body and before facing this side It is characterized in that set to be smaller than Hashijiku perpendicular gap between the side block side.
- the notch can be extended over the entire length in the bridge axis direction of the upper end steel plate.
- the maximum thickness of the upper end steel plate is, for example, 100 mm to 150 mm.
- the notch may have a cover layer that covers the surface thereof.
- the said notch part can also be set as the structure which has a cover layer which covers at least surfaces other than the bottom face among the surfaces.
- the cover layer can be configured to be removable.
- the notch may have a rust preventive paint layer on the surface of the surface that is not covered with the cover layer.
- the notch portion extending in the bridge axis direction is provided at the upper end corner portion of the upper end steel plate disposed by vulcanization adhesion to the upper end surface of the rubber laminate, and the side block of the side block is provided at the notch portion. Since the upper end protruding portion is opposed to be covered with a gap, when the upper lifting force is applied, the upper end protruding portion and the notch portion come into contact with each other and function as an upper lifting force stop. As a result, the thickness of the apparatus can be reduced because an upper gutter that has conventionally been installed is unnecessary.
- the gap in the direction perpendicular to the bridge axis between the notch and the upper end protrusion is defined in the direction perpendicular to the bridge axis between the side surface of the rubber laminate where the rubber layer exists and the inner side surface of the side block facing this side surface. Since the clearance is set to be smaller than the gap, when a force in a direction perpendicular to the bridge axis is applied, the notch and the upper end protrusion come into contact with each other.
- FIG. 1 is a plan view illustrating a rubber bearing device of the present invention.
- FIG. 2 is a cross-sectional view taken along the line AA in FIG.
- FIG. 3 is a plan view showing a modification of the rubber bearing device of the present invention.
- FIG. 4 is a plan view showing a modification of the notch portion of FIG.
- FIG. 5 is a plan view showing another modification of the notch portion of FIG.
- FIG. 6 is a plan view showing a modification of the notch portion of FIG.
- FIG. 7 is a front view of a conventional rubber bearing device showing the right half in section.
- FIG. 8 is a front view illustrating the installation state of the rubber bearing device.
- the rubber bearing device 1 of the present invention is installed between an upper work 10 such as a bridge girder and a lower work 11 such as a bridge pier.
- the rubber bearing device 1 includes a rubber laminate 2 in which steel plates 3 and rubber layers 5 are alternately laminated, and side blocks 7 arranged on both sides of the rubber laminate 2 in the direction perpendicular to the bridge axis.
- the rubber laminate 2 and the steel plate 3 are rectangular in plan view.
- the bridge axis direction is shown as the X direction
- the direction perpendicular to the bridge axis is shown as the Y direction.
- the upper end steel plate 3 a arranged on the upper end surface of the rubber laminate 2 and the lower end steel plate 3 b arranged on the lower end surface are thicker than the other steel plates 3.
- the steel plate 3, the upper end steel plate 3a, the lower end steel plate 3b and the adjacent rubber layer 5 are vulcanized and bonded to form an integral body.
- the upper end steel plate 3a is fixed to a sole plate attached to the lower surface of the superstructure 10 with bolts or the like. That is, the rubber bearing device 1 does not have the upper collar 9 provided in the conventional rubber bearing device 8.
- the lower end steel plate 3b is fixed to the base plate 6 with fixing bolts, and the base plate 6 is fixed to the lower work 11 by screwing a fixing nut to an anchor embedded in the lower work 11.
- Each side block 7 has an upper end protruding portion 7a that protrudes to the upper part of the upper end steel plate 3a so as to cover a part (notch portion 4 described later) of the upper end steel plate 3a.
- the side block 7 is fixed to the base plate 6 with bolts or the like.
- a notch 4 extending in the bridge axis direction is provided at the upper corners on both sides of the upper end steel plate 3a in the direction perpendicular to the bridge axis.
- This notch 4 is in a state of being recessed inward from the side surface of the rubber laminate 2 where the rubber layer 5 exists in the direction perpendicular to the bridge axis.
- the notch 4 is formed with a predetermined length in the bridge axis direction of the upper end steel plate 3a, and is not formed over the entire length of the upper end steel plate 3a in the bridge axis direction. That is, the notch 4 is formed in the bridge axis direction center part of the upper end corner of the upper end steel plate 3a, and both sides of the notch part 4 in the bridge axis direction are non-notched parts.
- the upper end protruding portion 7a of the side block 7 is opposed to the notch portion 4 with gaps in the direction perpendicular to the bridge axis, the bridge axis direction, and the vertical direction.
- the gap g1 in the direction perpendicular to the bridge axis between the notch 4 and the upper end protrusion 7a is on the side surface of the rubber laminate 2 (side surface of the rubber laminate 2 where the rubber layer 5 is present) and on this side surface. It is set smaller than the gap g2 in the direction perpendicular to the bridge axis with the inner side surface 7c of the opposing side block 7.
- the gap g1 is, for example, about 2 mm to 30 mm, and the gap g2 is, for example, about 5 mm to 50 mm.
- the upper end steel plate 3a and the upper end protruding portion 7a of the side block 7 are used to suppress the uplift force and the displacement in the direction perpendicular to the bridge axis. Therefore, the upper collar 9 is not required while having the function of preventing the upper lifting force, and the thickness of the rubber bearing device 1 can be reduced.
- the maximum thickness T of the upper end steel plate 3a is, for example, about 100 mm to 150 mm.
- this maximum thickness T is the total thickness of the upper end steel plate 3a and the upper collar 9 of the conventional rubber bearing device 8. About 50% to 60%.
- the width of the rubber bearing device 1 in the direction perpendicular to the bridge axis can be reduced. Therefore, the rubber bearing device 1 as a whole can be made compact.
- the upper collar 9 is fixed to the upper surface of the upper end steel plate 3a with a bolt or the like.
- the rubber bearing device 1 of the present invention such an installation work is not necessary.
- the bridge axis direction end surface of the upper end protruding portion 7a of the side block 7 and The bridge axial direction end surface 4a of the notch 4 abuts. Thereby, the shift
- the notch 4 provided in the upper end steel plate 3a can be formed over the entire length of the upper end steel plate 3a in the bridge axis direction as illustrated in FIG.
- the gap g1 in the direction perpendicular to the bridge axis between the notch portion 4 and the upper end protruding portion 7a is the side surface of the rubber laminate 2 (the portion of the rubber laminate 2 where the rubber layer 5 exists).
- the clearance g2 in the direction perpendicular to the bridge axis between the side surface) and the inner side surface 7c of the side block 7 facing the side surface is set smaller.
- the generation of rust is prevented by adopting a specification having the anticorrosive coating layer 12 on the surface of the notch 4 (the end surface 4a in the bridge axis direction, the side surface 4b in the direction perpendicular to the bridge axis, and the bottom surface 4c). can do.
- the rust preventive paint layer 12 is formed, for example, by applying high concentration zinc dust coating. The appearance quality can be improved by eliminating the occurrence of rust in the notch 4.
- the bridge axis direction end face 4 a and the bridge axis perpendicular direction side face 4 b among the surfaces of the notch part 4 are frequently in contact with the upper end protruding part 7 a of the side block 7. Therefore, there is a concern that the rust preventive paint layer 12 may be peeled off when the upper end protrusion 7 a comes into contact with the rust preventive paint layer 12.
- the upper lifting force FU does not act on the rubber bearing device 1
- the bottom surface 4c does not contact the upper end protruding portion 7a, so the contact frequency is very low.
- the notch 4 has at least a surface other than the bottom surface 4 c (the bridge axis direction end surface 4 a) among the surfaces (the bridge axis direction end surface 4 a, the bridge axis perpendicular direction side surface 4 b and the bottom surface 4 c).
- the cover layer 13 may be configured to cover the side surface 4b) perpendicular to the bridge axis.
- a stainless steel plate, a rubber plate, a resin plate, or the like is used as the cover layer 13, for example, a stainless steel plate, a rubber plate, a resin plate, or the like is used.
- the thickness of the cover layer 13 is, for example, about 1 mm to 10 mm.
- the cover layer 13 is provided with a through hole 13a, and the notch 4 is provided with a screw hole 4d.
- the cover layer 13 is attached so as to cover the bridge axis direction end surface 4a and the bridge axis perpendicular direction side surface 4b of the notch portion 4 by screwing the countersunk screw 14 inserted through the through hole 13a into the screw hole 4d. ing.
- the cover layer 13 can be integrated with the upper end steel plate 3a or the like, but it can also be configured to be removable as described above. If the cover layer 13 is configured to be detachable, it is possible to quickly conform to specifications (thickness, durability, etc.) required at the installation site of the rubber bearing device 1. For example, if a plurality of types of cover layers 13 having different thicknesses are facilitated, a gap between the notch 4 (cover layer 13) and the upper end protrusion 7a can be easily achieved by attaching the cover layers 13 having different thicknesses. Can be adjusted optimally.
- the gap g1 in the direction perpendicular to the bridge axis between the cover layer 13 (notch portion 4) and the upper end protruding portion 7a is the side surface of the rubber laminate 2 (the rubber laminate where the rubber layer 5 is present). 2 side) and the gap g2 in the direction perpendicular to the bridge axis between the side surface 7 and the inner side surface 7c of the side block 7 facing this side surface.
- the cover layer 13 can also be provided on the bottom surface 4 c of the notch 4 to cover the entire surface of the notch 4.
- the cover layer 13 illustrated in FIG. 5 it is possible to take a rust prevention measure only on the surface having a high contact frequency with the side block 7.
- the bottom surface 4 c of the notch 4 not covered with the cover layer 13 has a specification having the rust preventive paint layer 12. Since the bottom surface 4c has a low contact frequency with the side block 7, the rust preventive paint layer 12 can sufficiently prevent the occurrence of rust.
- the anticorrosive paint layer 12 is provided on the surface of the notch 4 that is not covered with the cover layer 13.
- the antirust paint to be used is minimized by adopting a configuration in which the antirust paint layer 12 is provided only on the surface (bottom surface 4c) that is not covered with the cover layer 13 among the surfaces of the cutout portion 4. be able to.
- the cover layer 13 is provided on at least the surface other than the bottom surface 4c. In that case, it is preferable to make it the structure which has the antirust coating layer 12 in the surface (bottom surface 4c) which is not covered with the cover layer 13 among the surfaces of the notch part 4.
- the cover layer 13 can also be provided on the bottom surface 4 c of the notch 4 to cover the entire surface of the notch 4. Moreover, it can also be set as the specification which has the rust preventive coating layer 12 with respect to all the surfaces of the notch part 4, and has the cover layer 13 on the rust preventive coating layer 12.
- the cover layer 13 can be configured to be detachable by a countersunk screw 14 or the like, and can be integrated by bonding to the upper end steel plate 3a.
- the gap g1 in the direction perpendicular to the bridge axis between the cover layer 13 (notch portion 4) and the upper end protruding portion 7a is the side surface of the rubber laminate 2 (the rubber laminate where the rubber layer 5 is present). 2 side) and the gap g2 in the direction perpendicular to the bridge axis between the side surface 7 and the inner side surface 7c of the side block 7 facing this side surface.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Vibration Prevention Devices (AREA)
- Springs (AREA)
Abstract
Description
2 ゴム積層体
3 鋼板
3a 上端鋼板
3b 下端鋼板
4 切欠き部
4a 橋軸方向端面
4b 橋軸直角方向側面
4c 上面
4d ネジ穴
5 ゴム層
6 ベースプレート
7 サイドブロック
7a 上端突出部
7b 突出端面
7c 内側面
9 上沓
9a 切欠き部
12 防錆塗料層
13 カバー層
Claims (7)
- 鋼板とゴム層とを交互に積層して加硫接着されて一体物になったゴム積層体と、ゴム積層体の橋軸直角方向両側に配置したサイドブロックとを有し、前記サイドブロックの上端突出部を、ゴム積層体の上方に突出させたゴム支承装置において、前記鋼板のうちゴム積層体の上端表面に配置された上端鋼板の上端角部に橋軸方向に延びる切欠き部を設け、この切欠き部を、橋軸直角方向で前記ゴム層が存在している部分のゴム積層体の側面よりも内側に引っ込んだ状態にして、この切欠き部に前記サイドブロックの上端突出部をすき間をあけて対向させ、この切欠き部と上端突出部との橋軸直角方向のすき間を、前記ゴム層が存在している部分のゴム積層体の側面と、この側面に対向する前記サイドブロック内側面との橋軸直角方向のすき間よりも小さく設定したゴム支承装置。
- 前記切欠き部を前記上端鋼板の橋軸方向全長に渡って延設した請求項1に記載のゴム支承装置。
- 前記上端鋼板の最大厚さが100mm~150mmである請求項1または2に記載のゴム支承装置。
- 前記切欠き部が、その表面を覆うカバー層を有する構成にした請求項1~3のいずれかに記載のゴム支承装置。
- 前記切欠き部が、その表面のうち、少なくとも、底面以外の表面を覆うカバー層を有する構成にした請求項4に記載のゴム支承装置。
- 前記カバー層を着脱可能な構成にした請求項4または5に記載のゴム支承装置。
- 前記切欠き部が、その表面のうち、前記カバー層に覆われていない表面に防錆塗料層を有する構成にした請求項4~6のいずれかに記載のゴム支承装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010800579264A CN102666994B (zh) | 2009-12-25 | 2010-11-24 | 橡胶支承装置 |
KR1020127014845A KR101256771B1 (ko) | 2009-12-25 | 2010-11-24 | 고무 지승장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009-294500 | 2009-12-25 | ||
JP2009294500A JP4784688B2 (ja) | 2009-05-26 | 2009-12-25 | ゴム支承装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011077884A1 true WO2011077884A1 (ja) | 2011-06-30 |
Family
ID=44201201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/070877 WO2011077884A1 (ja) | 2009-12-25 | 2010-11-24 | ゴム支承装置 |
Country Status (4)
Country | Link |
---|---|
KR (1) | KR101256771B1 (ja) |
CN (1) | CN102666994B (ja) |
MY (1) | MY152660A (ja) |
WO (1) | WO2011077884A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115231278A (zh) * | 2022-09-22 | 2022-10-25 | 中南大学 | 一种紧固件输送机构及支座高度调节系统 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6540134B2 (ja) * | 2015-03-20 | 2019-07-10 | オイレス工業株式会社 | 免震支持装置 |
CN105256712B (zh) * | 2015-11-02 | 2017-04-26 | 株洲时代新材料科技股份有限公司 | 用于桥梁的缓冲型抗剪装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01141805U (ja) * | 1988-03-16 | 1989-09-28 | ||
JPH02194204A (ja) * | 1989-01-20 | 1990-07-31 | Yuichi Aida | 構造物用中段せん断ストッパ付きゴム支承装置 |
JPH08246418A (ja) * | 1995-03-07 | 1996-09-24 | Kawaguchi Kinzoku Kogyo Kk | 構造物の弾性支承装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2485336Y (zh) * | 2001-05-17 | 2002-04-10 | 衡水宝力工程橡胶有限公司 | 拉压橡胶支座 |
KR100466413B1 (ko) * | 2002-10-02 | 2005-01-13 | (주)디에스엘 | 교량연결구조 |
JP2008184850A (ja) * | 2007-01-31 | 2008-08-14 | Kawaguchi Metal Industries Co Ltd | 橋梁の伸縮装置用止水ゴムユニット及び止水ゴム装置 |
KR20070050895A (ko) * | 2007-04-26 | 2007-05-16 | (주) 국제이엔씨 | 일체형 탄성받침 |
KR100893352B1 (ko) | 2007-09-04 | 2009-04-14 | 주식회사 예경산업개발 | 일체형 교좌장치 |
CN101487229B (zh) * | 2008-01-18 | 2013-05-29 | 柳州东方工程橡胶制品有限公司 | 带有摩擦副的铅芯橡胶支座组件的安装使用方法 |
-
2010
- 2010-11-24 WO PCT/JP2010/070877 patent/WO2011077884A1/ja active Application Filing
- 2010-11-24 MY MYPI2012002757 patent/MY152660A/en unknown
- 2010-11-24 KR KR1020127014845A patent/KR101256771B1/ko active IP Right Grant
- 2010-11-24 CN CN2010800579264A patent/CN102666994B/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01141805U (ja) * | 1988-03-16 | 1989-09-28 | ||
JPH02194204A (ja) * | 1989-01-20 | 1990-07-31 | Yuichi Aida | 構造物用中段せん断ストッパ付きゴム支承装置 |
JPH08246418A (ja) * | 1995-03-07 | 1996-09-24 | Kawaguchi Kinzoku Kogyo Kk | 構造物の弾性支承装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115231278A (zh) * | 2022-09-22 | 2022-10-25 | 中南大学 | 一种紧固件输送机构及支座高度调节系统 |
Also Published As
Publication number | Publication date |
---|---|
CN102666994A (zh) | 2012-09-12 |
CN102666994B (zh) | 2013-09-04 |
KR20120072388A (ko) | 2012-07-03 |
KR101256771B1 (ko) | 2013-04-25 |
MY152660A (en) | 2014-10-31 |
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