JP2002220813A - Bearing device equipped with dust preventive cylindrical body - Google Patents
Bearing device equipped with dust preventive cylindrical bodyInfo
- Publication number
- JP2002220813A JP2002220813A JP2001017780A JP2001017780A JP2002220813A JP 2002220813 A JP2002220813 A JP 2002220813A JP 2001017780 A JP2001017780 A JP 2001017780A JP 2001017780 A JP2001017780 A JP 2001017780A JP 2002220813 A JP2002220813 A JP 2002220813A
- Authority
- JP
- Japan
- Prior art keywords
- support member
- dust
- bearing device
- fixed
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Bridges Or Land Bridges (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は橋梁、高架道その他
各種の構造物において用いられる防塵用筒状体を備えた
支承装置に関する。更に具体的には、橋桁その他の上部
構造物と橋脚その他の下部構造物との間に配置される防
塵用筒状体を備えた支承装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bearing device having a dustproof tubular body used for bridges, elevated roads and other various structures. More specifically, the present invention relates to a bearing device provided with a dustproof tubular body disposed between a bridge girder or other upper structure and a pier or other lower structure.
【0002】[0002]
【従来の技術】この種の従来の支承装置としては、例え
ば図5に示すような橋梁用支承装置が知られている。こ
のような支承装置では、上沓(上部支持部材)3と下沓
(下部支持部材)5との間に、上面が平面で下面がほぼ
半球面状の湾曲面6とされた鋼製またはゴム状弾性体等
から成る支圧部材4が装着され、橋桁等の上部構造物1
が撓み等により支圧部材4の中心軸線に関し傾動(回
動)した時、その傾動は主として支圧部材4の湾曲面6
とそれに当接する下沓(下部支持部材)5の湾曲面8と
の間の摺動(回転摺動)により支承するようにしてあ
る。2. Description of the Related Art As a conventional bearing device of this type, for example, a bridge bearing device as shown in FIG. 5 is known. In such a bearing device, between the upper shoe (upper support member) 3 and the lower shoe (lower support member) 5, a steel or rubber material having a curved upper surface 6 having a flat upper surface and a substantially lower hemispherical surface. A supporting member 4 made of an elastic body or the like is attached, and an upper structure 1 such as a bridge girder is mounted.
Is tilted (rotated) with respect to the center axis of the support member 4 due to bending or the like, the tilt is mainly caused by the curved surface 6 of the support member 4.
And a lower shoe (lower support member) 5 that contacts the curved surface 8 of the lower shoe (rotational sliding).
【0003】そして、前記のような従来の支承装置にお
いては、摺動可能にした双方の湾曲面間に砂等のごみ類
が侵入し、両湾曲面を損傷して摺動作用に支障を来たす
ようなことも生じる。そこで、前記湾曲面間にごみ類の
侵入を防ぐための筒状のゴム製の防塵用ゴムリング11
を上部支持部材3の下面に設けているが、前記上部支持
部材3はそのスライド面12が支圧部材4とのすべり面
13に対して、スライドできるように構成されているの
で、上部支持部材3が比較的大きく水平方向に変位する
と、防塵用ゴムリング11がスライド面12に巻き込ま
れ、防塵用ゴムリング6が防塵作用を発揮せず、ごみ類
が湾曲面間に侵入するという問題がある。In the above-described conventional bearing device, dirt such as sand penetrates between the two slidable curved surfaces, damaging the two curved surfaces and hindering the sliding action. Something like that also occurs. Therefore, a cylindrical rubber dust-proof rubber ring 11 for preventing dust from entering between the curved surfaces.
Is provided on the lower surface of the upper support member 3. Since the upper support member 3 is configured such that its sliding surface 12 can slide with respect to the sliding surface 13 with the supporting member 4, the upper support member 3 When 3 is relatively large and displaces in the horizontal direction, the dust-proof rubber ring 11 gets caught in the slide surface 12, the dust-proof rubber ring 6 does not exhibit the dust-proof action, and there is a problem that dust enters between the curved surfaces. .
【0004】[0004]
【発明が解決しようとする課題】本発明の支承装置は、
上部及び下部支持部材間に装着される支圧部材と前記下
部支持部材の湾曲面(半球状受け面)部分にごみ類の侵
入をなくし、上部構造物の撓みによる傾動(回動または
回転)に追従しながら支承する作用を長期に亘り安定し
た状態で呈することができるようにすることを目的とし
て提案されたものである。SUMMARY OF THE INVENTION
Eliminates intrusion of dirt into the supporting member mounted between the upper and lower support members and the curved surface (hemispherical receiving surface) of the lower support member, and prevents tilting (rotation or rotation) due to bending of the upper structure. The present invention has been proposed for the purpose of making it possible to exhibit the function of supporting while following in a stable state for a long period of time.
【0005】[0005]
【課題を解決するための手段】上記の目的を達成するた
め、本発明に係る請求項1の防塵用筒状体を備えた支承
装置は、橋桁その他の上部構造物1と橋脚その他の下部
構造物2との間に配され、上部構造物1に固定される上
部支持部材3の下部に、前記上部支持部材3の相対的な
横移動をスライド可能に支承するように配設される支圧
部材4と、この支圧部材4を支承する下部支持部材5と
を備えた支承装置において、前記支圧部材4の下面を下
に凸又は下に凹の球面状をなす湾曲面6とすると共に、
下部支持部材5の上面を上に凹又は上に凸の球面状をな
す湾曲面7とし、前記両湾曲面相互の嵌合部を外側から
被覆するように支圧部材4の外周面8と下部支持部材5
の外周面9とに渡って、弾性材料製の防塵用筒状体10
を配置し、前記防塵用筒状体10の上部が支圧部材4に
固定され、前記防塵用筒状体10の下部が下部支持部材
5に固定されていることを特徴とする。また、請求項2
の発明は、請求項1の支承装置において、前記弾性材料
製の防塵用筒状体10が支圧部材4及び下部支持部材5
に対し、焼き付けまたは弾性材料製の防塵用筒状体10
を成形固化させる工程で同時に固着させるようにしたこ
とを特徴とする。更に、請求項3の発明は、請求項1又
は2の支承装置において、前記防塵用筒状体10の内周
面の一部または全面が、支圧部材4と下部支持部材5と
に密着されて固定されていることを特徴とする。In order to achieve the above object, according to the present invention, a bearing device having a dustproof tubular body according to the present invention comprises a bridge girder or other upper structure 1 and a bridge pier or other lower structure. A supporting pressure disposed between the object 2 and a lower portion of the upper supporting member 3 fixed to the upper structure 1 so as to slidably support the relative lateral movement of the upper supporting member 3. In a bearing device including a member 4 and a lower supporting member 5 for supporting the supporting member 4, a lower surface of the supporting member 4 is formed into a curved surface 6 having a downwardly convex or concave spherical surface. ,
The upper surface of the lower support member 5 is a curved surface 7 having a concave or upwardly convex spherical shape, and the outer peripheral surface 8 of the supporting member 4 and the lower portion are covered so as to cover the fitting portion between the two curved surfaces from the outside. Support member 5
Of the dust-proof cylindrical body 10 made of an elastic material
The upper part of the dustproof cylindrical body 10 is fixed to the supporting member 4, and the lower part of the dustproof cylindrical body 10 is fixed to the lower support member 5. Claim 2
According to the present invention, in the bearing device according to the first aspect, the dust-proof cylindrical body made of the elastic material includes the supporting member 4 and the lower supporting member 5.
To the dustproof tubular body 10 made of a baked or elastic material.
Are fixed at the same time in the step of molding and solidifying. Further, according to a third aspect of the present invention, in the bearing device according to the first or second aspect, a part or the entirety of an inner peripheral surface of the dust-proof cylindrical body 10 is in close contact with the supporting member 4 and the lower supporting member 5. It is characterized by being fixed.
【0006】[0006]
【発明の実施の形態】以下、図面に示す実施形態に基づ
いて本発明について説明する。図1〜図3は本発明の一
実施形態を示したものであって、同図で符号1は橋桁そ
の他の上部構造物、2は橋脚その他の下部構造物、30
は上部構造物1と下部構造物2との間に配され、下部構
造物2の上面部に対しアンカーボルト等のボルト40及
びナットで後記の下部支持部材5の取付用フランジ部2
2を介して固定した支承装置をそれぞれ表わしている。
支承装置30は1個所に所要間隔を隔てて複数個設置す
るのが普通であるが、図1ではその1つを表わしてい
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described based on embodiments shown in the drawings. 1 to 3 show an embodiment of the present invention, in which reference numeral 1 denotes a bridge girder and other upper structures, 2 denotes a pier and other lower structures,
Is disposed between the upper structure 1 and the lower structure 2, and is attached to the upper surface of the lower structure 2 with bolts 40, such as anchor bolts, and nuts, and a mounting flange portion 2 of the lower support member 5 described later.
2 shows a bearing device fixed via 2 respectively.
Usually, a plurality of the bearing devices 30 are installed at one place at a required interval, but one of them is shown in FIG.
【0007】前記の上部構造物1に直接又は間接的に固
定される上部支持部材3は、図1及び図2に明示するよ
うに、例えば矩形または円盤形に形成され、その下面を
橋軸方向または橋軸直角方向にスライド可能な平坦なす
べり面とされ、その上部支持部材3の下面には、平坦な
すべり支承用上面を備えた鋼製支圧部材4が配置され、
前記支圧部材4の下面は、下に凸の球面状をなす湾曲面
6とするか、下に凹の球面状をなす湾曲面6(図4の第
2実施形態参照)とする。前記上部支持部材3は鋼製材
料で製作するを可とするが、強靱にして硬質の材料であ
れば他の材料で製作してもよい。また前記支圧部材4は
鋼製材料で製作してもよく、弾性材料であってもよい。As shown in FIGS. 1 and 2, the upper support member 3 directly or indirectly fixed to the upper structure 1 is formed, for example, in a rectangular or disk shape, and has a lower surface in the bridge axis direction. Alternatively, a flat sliding surface slidable in a direction perpendicular to the bridge axis is provided, and a steel bearing member 4 having a flat sliding support upper surface is disposed on a lower surface of the upper support member 3.
The lower surface of the supporting member 4 is a curved surface 6 having a downwardly convex spherical shape or a curved surface 6 having a downwardly concave spherical shape (see the second embodiment in FIG. 4). The upper support member 3 may be made of a steel material, but may be made of another material as long as it is tough and hard. Further, the bearing member 4 may be made of a steel material or an elastic material.
【0008】また、前記下部構造物2上に、直接または
間接的に配設される下部支持部材5は、例えば円盤体の
下方部分に一体に又は別体として設けられた平面が矩形
をなす取付用フランジ部22を備えた形状に形成され、
前記下部支持部材5の上面を支圧部材4の下に凸の湾曲
面6に対応させて上に凹の球面状をなす湾曲面7とする
か、前記下部支持部材5の上面を上部支持部材3の下に
凹の湾曲面6に対応させて上に凸の球面状をなす湾曲面
7(図4の第2実施形態参照)とする。符号23はフラ
ンジ部22に設けたボルト挿通孔である。この下部支持
部材5も、上部支持部材3と同様に鋼製材料で製作する
ことを可とするが、強靱にして硬質の材料であれば他の
材料で製作してもよい。The lower support member 5 directly or indirectly disposed on the lower structure 2 is, for example, a mounting member formed integrally or separately on a lower portion of the disk body and having a rectangular plane. Formed into a shape having a flange portion 22 for
The upper surface of the lower support member 5 may be a curved surface 7 having a concave spherical shape corresponding to the convex curved surface 6 below the support member 4, or the upper surface of the lower support member 5 may be an upper support member. 3 is a curved surface 7 having an upwardly convex spherical shape corresponding to the concave curved surface 6 below (see the second embodiment in FIG. 4). Reference numeral 23 denotes a bolt insertion hole provided in the flange portion 22. The lower support member 5 can be made of a steel material similarly to the upper support member 3, but may be made of another material as long as the material is tough and hard.
【0009】そして、支圧部材4の円筒状の外周面8と
下部支持部材5の円筒状の外周面9とは、ほぼ同一円形
外面形状であるのが望ましい。前記支圧部材4の円筒状
の外周面8と前記下部支持部材5の円筒状の外周面9と
に渡って、これら間の荷重伝達面および回転支承面とな
る湾曲面6,7を外側から覆うように、ゴム製等の弾性
材料製防塵用筒状体10が前記各外周面8,9に密着す
るように配置され、その防塵用筒状体10の内周面の上
部全面または上端部内周面が前記支圧部材4の外周面に
焼き付けまたは一体成型により固着され、また前記防塵
用筒状体10の内周面の下部全面または下端部内周面が
前記下部支持部材5の円筒状の外周面9に焼き付けまた
は一体成型により固着されている。The cylindrical outer peripheral surface 8 of the support member 4 and the cylindrical outer peripheral surface 9 of the lower support member 5 preferably have substantially the same circular outer surface shape. Over the cylindrical outer peripheral surface 8 of the supporting member 4 and the cylindrical outer peripheral surface 9 of the lower support member 5, the curved surfaces 6, 7 serving as a load transmitting surface and a rotation bearing surface therebetween are formed from outside. A dustproof tubular body 10 made of an elastic material such as rubber is disposed so as to cover the outer peripheral surfaces 8 and 9, and the entire upper surface or the upper end of the inner peripheral surface of the dustproof tubular body 10 is covered. The peripheral surface is fixed to the outer peripheral surface of the supporting member 4 by baking or integral molding, and the entire lower surface of the inner peripheral surface of the dustproof tubular body 10 or the inner peripheral surface at the lower end thereof is cylindrical. It is fixed to the outer peripheral surface 9 by baking or integral molding.
【0010】前記弾性材料製の防塵用筒状体10は、全
体がほぼ同一の厚さとなるようにするのが好ましいが、
その上下方向の全長が一様な厚さでなくてもよい。It is preferable that the dust-proof cylindrical body 10 made of the elastic material has substantially the same thickness as a whole.
The overall length in the vertical direction does not have to be uniform.
【0011】前記弾性材料製の防塵用筒状体10は、支
圧部材4及び下部支持部材5に対しゴム状弾性材料を成
形固化させる工程で同時に一体成形により固着させるよ
うにするとよい。例えば、防塵用筒状体10の材料がゴ
ム材料である場合は、鋼製の支圧部材4及び下部支持部
材5に対しゴム材料を加硫接着させることができる。こ
のような手法で固着された防塵用筒状体10は、上部構
造物1の撓み(支承装置側の支点からみると回転)に伴
う支圧部材4の回動(回転)により、弾性材料製の防塵
用筒状体10の剪断変形または弾性変形作用を繰り返し
受ける場合でも容易に剥離することがなく、固着性(接
着性)が優れている。弾性材料製の防塵用筒状体10の
固着性を更に高めるために、支圧部材4及び下部支持部
材5の外周面8,9を事前にローレット加工等により粗
面に形成しておくこともできる。The dust-proof cylindrical body 10 made of the elastic material is preferably fixed to the supporting member 4 and the lower supporting member 5 by integral molding at the same time as the step of molding and solidifying the rubber-like elastic material. For example, when the material of the dustproof cylindrical body 10 is a rubber material, the rubber material can be vulcanized and bonded to the steel supporting member 4 and the lower supporting member 5. The dust-proof cylindrical body 10 fixed by such a method is made of an elastic material by the rotation (rotation) of the support member 4 accompanying the bending of the upper structure 1 (rotation as viewed from the fulcrum on the bearing device side). Even when the dust-proof tubular body 10 is repeatedly subjected to the shearing or elastic deformation action, the dust-proof tubular body 10 is not easily peeled off and has excellent adhesion (adhesion). In order to further enhance the fixation of the dust-proof cylindrical body 10 made of an elastic material, the outer peripheral surfaces 8 and 9 of the supporting member 4 and the lower supporting member 5 may be formed in advance by knurling or the like to have a rough surface. it can.
【0012】但し、弾性材料製の防塵用筒状体10は、
ゴム状弾性材料で予め帯状板として、前記各外周面8,
9に沿うように筒状に巻きつけ、かつ前記帯状板の両端
部の縦面相互を接着剤を用いて接着すると共に、前記帯
状板の内周面全面または少なくとも上下端部を、前記各
外周面8,9に接着剤を用いて接着させることによって
も形成することができる。However, the dust-proof cylindrical body 10 made of an elastic material is
Each of the outer peripheral surfaces 8,
9 and the vertical surfaces of both ends of the band-shaped plate are adhered to each other with an adhesive, and the entire inner peripheral surface or at least the upper and lower ends of the band-shaped plate are adhered to the respective outer peripheral surfaces. It can also be formed by bonding the surfaces 8 and 9 with an adhesive.
【0013】また、上記の上部構造物1に固定される上
部支持部材3と支圧部材4との間には、図1に示すよう
に、上部構造物1の水平方向の伸縮に対応させるために
水平方向滑り手段43を設けることもできる。水平方向
滑り手段43は、上部構造物1に固定される上部支持部
材3の下面に固定されたステンレススチール等で作られ
たスライディングプレート41と支圧部材4の上面に固
定した四フッ化エチレンからなる滑り面42又は板で構
成されており、滑動自在の当接させたスライディングプ
レート41と滑り面42との間で上部構造物1の橋軸方
向または橋軸直角方向等における水平方向の伸縮を逃が
すようにしてある。As shown in FIG. 1, between the upper support member 3 and the bearing member 4 fixed to the upper structure 1, the upper structure 1 is adapted to cope with the expansion and contraction of the upper structure 1 in the horizontal direction. May be provided with a horizontal sliding means 43. The horizontal sliding means 43 is composed of a sliding plate 41 made of stainless steel or the like fixed to the lower surface of the upper support member 3 fixed to the upper structure 1 and ethylene tetrafluoride fixed to the upper surface of the bearing member 4. The upper structure 1 is formed of a sliding surface 42 or a plate that is slidably contacted with the sliding plate 41 and the sliding surface 42. I try to escape.
【0014】図4に示す第2実施形態の支承装置は、支
圧部材4の下面を下に凹の球面状をなす湾曲面6とする
と共に、下部支持部材5の上面を上に凸の球面状をなす
湾曲面7としている点において、図3に明示する第1実
施形態のものと異なっているが、他の構成は同等であ
り、同様な作用効果であるので、同一要素については、
同一の符号を付して説明を省略する。In the bearing device according to the second embodiment shown in FIG. 4, the lower surface of the supporting member 4 is a curved surface 6 having a concave spherical shape, and the upper surface of the lower supporting member 5 is a convex spherical surface. Although the present embodiment is different from the first embodiment shown in FIG. 3 in that the curved surface 7 has the same shape, the other components are equivalent and have the same operation and effect.
The same reference numerals are given and the description is omitted.
【0015】なお、本発明を実施する場合、弾性支承装
置を上下反転配置して、下部構造物2側にスライド面を
位置するようにしてもよい。When the present invention is carried out, the elastic bearing device may be arranged upside down so that the sliding surface is located on the lower structure 2 side.
【0016】本発明の支承装置では、橋桁等の上部構造
物1が撓みおよび伸縮等により例えば図1の矢印Pの方
向にこの装置の中心軸線aに対し傾動(回転)およびス
ライド移動した場合に対応することを主眼としており、
上部構造物1の傾動に際しては、その傾動に伴って変位
する上部支持部材3は下部支持部材5に対しずれを生じ
るが、そのずれは湾曲面6,7間の回転とスライド支承
面12により逃がすことができ、ひいては上部構造物1
の傾動を逃がすことになく、しかも前記湾曲面6,7間
に塵埃などのごみが侵入することがないので、る。In the bearing device of the present invention, when the upper structure 1 such as a bridge girder is tilted (rotated) and slid with respect to the center axis a of the device in the direction of arrow P in FIG. The main objective is to respond,
When the upper structure 1 is tilted, the upper support member 3 that is displaced in accordance with the tilt is displaced from the lower support member 5, but the displacement is released by the rotation between the curved surfaces 6 and 7 and the slide bearing surface 12. And thus the superstructure 1
Is not released, and dust such as dust does not enter between the curved surfaces 6 and 7.
【0017】なお、本発明を実施する場合、図1および
図4に示す装置に、下部構造物2に対し上部構造物1を
水平方向における橋軸方向または橋軸直角方向の一方ま
たは両方の相対的な移動を拘束するために、下部構造物
2または上部構造物1の一方に保持部材を、他方にこれ
に係合する鋼板等の公知の装置を組み込むか、独立して
別個に設けるようにしてもよい。このようにすると、本
発明の支承装置を固定支承またはスライド式可動支承と
することができる。When the present invention is carried out, the upper structure 1 is moved relative to the lower structure 2 in one or both directions of the bridge axis in the horizontal direction or the direction perpendicular to the bridge axis. In order to restrain the movement, a holding member is provided on one of the lower structure 2 and the upper structure 1, and a known device such as a steel plate engaging with the other is incorporated in the other, or provided separately and separately. You may. In this way, the bearing device of the present invention can be a fixed bearing or a sliding movable bearing.
【0018】なお、本発明を実施する場合、弾性材料製
の防塵用筒状体10としては、弾性材料製の合成樹脂で
もよく、また図4に示すように、中間部内周面に環状空
間部44を形成するようにして、中間部の弾性変形によ
り対応するようにしてもよい。In practicing the present invention, the dust-proof cylindrical body 10 made of an elastic material may be made of a synthetic resin made of an elastic material, and, as shown in FIG. 44 may be formed to cope with the elastic deformation of the intermediate portion.
【0019】[0019]
【発明の効果】以上に説明したように、本発明の支承装
置によれば、単に弾性材料製の防塵用筒状体を支圧部材
と下部支持部材(反転配置した場合は上部支持部材)の
外周面に固定するだけで、支圧部材と下部支持部材との
湾曲面部分への砂等のごみ類の侵入が阻止され、両湾曲
面を摩耗により痛めることがなく、単に防塵用筒状体の
剪断変形または弾性変形を利した、上部構造物の傾動に
順応しながら支承する作用を長期に亘り安定した状態で
呈することができる。As described above, according to the bearing device of the present invention, the dust-proof cylindrical body made of an elastic material is simply formed of the supporting member and the lower supporting member (the upper supporting member when the supporting member is inverted). Just by fixing to the outer peripheral surface, intrusion of dirt such as sand into the curved surface portion between the supporting member and the lower support member is prevented, and the curved surfaces are not damaged by abrasion. It is possible to exhibit a stable and long-lasting action of supporting the structure while adapting to the tilting of the upper structure by utilizing the shear deformation or the elastic deformation of the upper structure.
【0020】また、弾性材料製の防塵用筒状体が従来の
ように、スライドする部分に設けられていないので、防
塵用筒状体が従来のように、スライド面に巻き込まれる
ことがない。また構造が簡単であり、製作費の削減が計
れると共に、既存の支承装置にも適用することができ
る。Further, since the dust-proof tubular body made of an elastic material is not provided in the sliding portion as in the conventional case, the dust-proof tubular body is not caught on the slide surface as in the conventional case. Further, the structure is simple, the production cost can be reduced, and the present invention can be applied to an existing bearing device.
【0021】弾性材料製の防塵用筒状体により、湾曲面
嵌合部、すなわちヒンヂ部が保護されているので、この
部分の防錆効果を発揮することができる。Since the curved surface fitting portion, that is, the hinge portion is protected by the dust-proof cylindrical body made of the elastic material, the rust-preventing effect of this portion can be exerted.
【図1】本発明に係る支承装置の第1実施形態の使用態
様を示す一部縦断側面図である。FIG. 1 is a partially longitudinal side view showing a use mode of a first embodiment of a bearing device according to the present invention.
【図2】図1から取り外した支承装置を一部切り欠いて
示す平面図である。FIG. 2 is a plan view of the bearing device removed from FIG.
【図3】同じくその縦断側面図である。FIG. 3 is a longitudinal side view of the same.
【図4】本発明の第2実施形態を示す縦断側面図であ
る。FIG. 4 is a vertical sectional side view showing a second embodiment of the present invention.
【図5】従来の支承装置を示す縦断側面図である。FIG. 5 is a vertical sectional side view showing a conventional bearing device.
1 上部構造物 2 下部構造物 3 上部支持部材 4 支圧部材 5 下部支持部材 6 湾曲面 7 湾曲面 8 外周面(支圧部材側) 9 外周面(下部支持部材側) 10 防塵用筒状体 11 防塵用ゴムリング 12 スライド面 13 すべり面 12 取付用フランジ部 13 ボルト挿通孔 22 取付用フランジ部 23 ボルト挿通孔 30 支承装置 40 ボルト 41 スライディングプレート 42 滑り層(すべり面) 43 水平方向滑り手段 44 環状空間部 REFERENCE SIGNS LIST 1 upper structure 2 lower structure 3 upper support member 4 support member 5 lower support member 6 curved surface 7 curved surface 8 outer peripheral surface (support member side) 9 outer peripheral surface (lower support member side) 10 dustproof tubular body DESCRIPTION OF SYMBOLS 11 Dust-proof rubber ring 12 Sliding surface 13 Slip surface 12 Mounting flange portion 13 Bolt insertion hole 22 Mounting flange portion 23 Bolt insertion hole 30 Bearing device 40 Bolt 41 Sliding plate 42 Sliding layer (slip surface) 43 Horizontal sliding means 44 Annular space
Claims (3)
の下部構造物2との間に配され、上部構造物1に固定さ
れる上部支持部材3の下部に、前記上部支持部材3の相
対的な横移動をスライド可能に支承するように配設され
る支圧部材4と、この支圧部材4を支承する下部支持部
材5とを備えた支承装置において、前記支圧部材4の下
面を下に凸又は下に凹の球面状をなす湾曲面6とすると
共に、下部支持部材5の上面を上に凹又は上に凸の球面
状をなす湾曲面7とし、前記両湾曲面相互の嵌合部を外
側から被覆するように支圧部材4の外周面8と下部支持
部材5の外周面9とに渡って、弾性材料製の防塵用筒状
体10を配置し、前記防塵用筒状体10の上部が支圧部
材4に固定され、前記防塵用筒状体10の下部が下部支
持部材5に固定されていることを特徴とする防塵用筒状
体を備えた支承装置。1. An upper support member 3 which is disposed between a bridge girder or other upper structure 1 and a pier or other lower structure 2 and is fixed to the upper structure 1. In a bearing device provided with a support member 4 arranged to slidably support a lateral movement and a lower support member 5 for supporting the support member 4, a lower surface of the support member 4 is provided. A curved surface 6 having a downwardly convex or downwardly concave spherical surface, and an upper surface of the lower support member 5 being a concavely upwardly or upwardly convex spherical surface 7 is provided. A dust-proof cylindrical body 10 made of an elastic material is disposed over the outer peripheral surface 8 of the supporting member 4 and the outer peripheral surface 9 of the lower support member 5 so as to cover the joint from the outside. The upper part of the body 10 is fixed to the support member 4, and the lower part of the dustproof tubular body 10 is fixed to the lower support member 5. A bearing device provided with a dustproof tubular body, characterized in that:
圧部材4及び下部支持部材5に対し、焼き付けまたは前
記防塵用筒状体10を成形固化させる工程で同時に固着
させるようにしたことを特徴とする請求項1記載の防塵
用筒状体を備えた支承装置。2. The dust-proof tubular body 10 made of an elastic material is simultaneously fixed to the supporting member 4 and the lower support member 5 in a step of baking or molding and solidifying the dust-proof tubular body 10. A bearing device provided with the dustproof tubular body according to claim 1.
たは全面が、支圧部材4と下部支持部材5とに密着され
て固定されていることを特徴とする請求項1又は2記載
の防塵用筒状体を備えた支承装置。3. A part or entire inner peripheral surface of the dust-proof cylindrical body 10 is fixed to the supporting member 4 and the lower supporting member 5 in close contact with each other. A bearing device provided with the dustproof tubular body according to 2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001017780A JP4377077B2 (en) | 2001-01-26 | 2001-01-26 | Bearing device with dust-proof cylindrical body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001017780A JP4377077B2 (en) | 2001-01-26 | 2001-01-26 | Bearing device with dust-proof cylindrical body |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2002220813A true JP2002220813A (en) | 2002-08-09 |
JP4377077B2 JP4377077B2 (en) | 2009-12-02 |
Family
ID=18883910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001017780A Expired - Lifetime JP4377077B2 (en) | 2001-01-26 | 2001-01-26 | Bearing device with dust-proof cylindrical body |
Country Status (1)
Country | Link |
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JP (1) | JP4377077B2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101010955B1 (en) | 2010-05-13 | 2011-01-26 | 유니슨이앤씨(주) | Bridge bearing |
CN102953329A (en) * | 2012-11-27 | 2013-03-06 | 柳州东方工程橡胶制品有限公司 | Bridge viscous damping shock-absorption supporting seat |
CN106884378A (en) * | 2017-03-16 | 2017-06-23 | 株洲时代新材料科技股份有限公司 | A kind of polyurethane shock-absorbing bridge support and its shock-dampening method |
CN108677693A (en) * | 2018-05-29 | 2018-10-19 | 刘振华 | A kind of support device subtracting shock insulation for building, bridge, structures |
CN112626999A (en) * | 2021-01-08 | 2021-04-09 | 广东东桥钢结构安装工程有限公司 | Anti-seismic reinforced bridge steel structure |
-
2001
- 2001-01-26 JP JP2001017780A patent/JP4377077B2/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101010955B1 (en) | 2010-05-13 | 2011-01-26 | 유니슨이앤씨(주) | Bridge bearing |
CN102953329A (en) * | 2012-11-27 | 2013-03-06 | 柳州东方工程橡胶制品有限公司 | Bridge viscous damping shock-absorption supporting seat |
CN106884378A (en) * | 2017-03-16 | 2017-06-23 | 株洲时代新材料科技股份有限公司 | A kind of polyurethane shock-absorbing bridge support and its shock-dampening method |
CN108677693A (en) * | 2018-05-29 | 2018-10-19 | 刘振华 | A kind of support device subtracting shock insulation for building, bridge, structures |
CN112626999A (en) * | 2021-01-08 | 2021-04-09 | 广东东桥钢结构安装工程有限公司 | Anti-seismic reinforced bridge steel structure |
Also Published As
Publication number | Publication date |
---|---|
JP4377077B2 (en) | 2009-12-02 |
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