JP6207844B2 - Temporary fixture for bearing - Google Patents

Temporary fixture for bearing Download PDF

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JP6207844B2
JP6207844B2 JP2013040661A JP2013040661A JP6207844B2 JP 6207844 B2 JP6207844 B2 JP 6207844B2 JP 2013040661 A JP2013040661 A JP 2013040661A JP 2013040661 A JP2013040661 A JP 2013040661A JP 6207844 B2 JP6207844 B2 JP 6207844B2
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fixing member
plate portion
collar
attached
temporary fixing
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JP2014169542A (en
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直也 前村
直也 前村
洋一 長峰
洋一 長峰
智里 田邊
智里 田邊
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Nippon Pillar Packing Co Ltd
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Description

本発明は、構造物を支持する支承の上沓と下沓とを仮固定するために用いられる仮固定具に関する。   The present invention relates to a temporary fixing tool used for temporarily fixing an upper collar and a lower collar of a support that supports a structure.

２つの建物の間に架設される渡り廊下や連絡橋などの構造物（上部構造物）は、各建物から張り出した載置部（下部構造部）上に支承を介して支持されている。
例えば下記特許文献１には、２つの建物間に架設される橋梁などの長尺構造物を支持する支承を備えた支承構造が開示されている。この支承構造は、長尺構造物の一方の端部に配設され、長尺構造物と載置台との相対的な水平回転を許容する１つの第１可動支承と、長尺構造物の他方の端部に配設され、当該長尺構造物の長手方向に関する長尺構造物と載置台との相対的な移動を許容する２つの第２可動支承と、第１可動支承の、長尺構造物の幅方向の両側に配設され、長尺構造物と載置台との相対的な水平移動を許容する２つの第３可動支承とを備え、長尺構造物を合計５点で支持する構成とされている。 A structure (upper structure) such as a passageway or a connecting bridge constructed between two buildings is supported on a mounting portion (lower structure portion) protruding from each building via a support.
For example, Patent Document 1 below discloses a support structure including a support for supporting a long structure such as a bridge constructed between two buildings. This support structure is disposed at one end of the long structure, and includes one first movable support that allows relative horizontal rotation between the long structure and the mounting table, and the other of the long structure. Two second movable bearings that are disposed at the ends of the long structural body and allow relative movement between the long structure and the mounting table in the longitudinal direction of the long structure, and a long structure of the first movable bearing A structure comprising two third movable supports arranged on both sides in the width direction of the object and allowing relative horizontal movement between the long structure and the mounting table, and supporting the long structure at a total of five points. It is said that.

また、特許文献１の第１可動支承は、長尺構造物側に取り付けられる上沓と、載置部側に取り付けられる下沓とを備えており、上沓は、下沓に対して水平に回転（上下方向の軸心回りに回転）することはできるが、水平方向の相対移動（例えば、前後左右の移動）が制限されている。また、特許文献１の支承構造では、長尺部材の荷重は第２，第３可動支承を介して載置部に付与されており、第１可動支承は、上沓が下沓から浮かせた状態で下沓に連結されることによって、長尺構造物の荷重を載置部に伝えないように構成されている。   Moreover, the 1st movable support of patent document 1 is equipped with the upper eyelid attached to the elongate structure side, and the lower eyelid attached to the mounting part side, and an upper eyelid is horizontal with respect to a lower eyelid. Although it can be rotated (rotated around the vertical axis), horizontal relative movement (for example, front / rear / right / left movement) is limited. Moreover, in the support structure of patent document 1, the load of a elongate member is provided to the mounting part via the 2nd, 3rd movable support, and the 1st movable support is in the state where the upper arm floats from the lower arm By being connected to the lower arm, the load of the long structure is not transmitted to the placing portion.

以上のような支承は、工場において製造された後、上沓と下沓とを紐や針金や平板等の仮固定具で仮固定し、両者を一体にした状態で施工現場に搬入される。そして、作業現場において必要に応じて上沓と下沓との仮固定を解いたうえで、これらをそれぞれ上部構造物と下部構造物とに溶接等によって取り付ける作業が行われる。   After the bearings as described above are manufactured in a factory, the upper heel and the lower heel are temporarily fixed with a temporary fixing tool such as a string, a wire or a flat plate, and the two are integrated into the construction site. Then, after the temporary fixing of the upper rod and the lower rod is released as necessary at the work site, an operation of attaching them to the upper structure and the lower structure by welding or the like is performed.

特開２０１１−２１９９４２号公報Japanese Patent Application Laid-Open No. 2011-219942

特許文献１の第１可動支承のように、下沓から浮かせた状態で上沓が下沓に連結される構成の場合、上沓を上部構造物に取り付けるには、下部構造物上の下沓から上沓を持ち上げて上部構造物の下面に接触させ、下沓と上沓の間にスペーサ等を挿入した状態で上沓を上部構造物に溶接等で接合する必要がある。また、このときに上沓の高さ方向の位置合わせだけでなく、下沓に対する芯合わせも同時に行わなければならない。そのため、上部構造物に対する上沓の取り付けが非常に煩雑で時間を要する作業となっていた。   In the case where the upper rod is connected to the lower rod while being floated from the lower rod, as in the first movable bearing of Patent Document 1, in order to attach the upper rod to the upper structure, the lower rod on the lower structure is used. It is necessary to lift the upper bar from the upper bar and bring it into contact with the lower surface of the upper structure and to join the upper bar to the upper structure by welding or the like with a spacer or the like inserted between the lower bar and the upper bar. At this time, not only the alignment of the upper eyelid in the height direction but also the centering of the lower eyelid must be performed simultaneously. For this reason, it has been very complicated and time-consuming to attach the upper collar to the upper structure.

このような問題を解決するため、工場出荷時に、予め設計で定められた上部構造物と下部構造物との上下方向の間隔に支承の高さを合わせた状態で、上沓と下沓とを仮固定しておき、施工現場において、両者を仮固定したまま各構造物に取り付けた後に仮固定を解くことが考えられる。しかし、上部構造物と下部構造物との上下方向の間隔は現地の施工精度によってばらつきがあるため、当該間隔が設計通りでなければ、仮固定したまま各構造物に取り付けることができず、結局、従来と同じ取付方法で取り付けざるを得なくなる。   In order to solve such problems, the upper and lower armpits should be fitted with the height of the support adjusted to the vertical distance between the upper structure and the lower structure determined in advance at the time of factory shipment. It is conceivable that the temporary fixing is performed after the temporary fixing is performed and the both are temporarily fixed and attached to each structure at the construction site. However, since the vertical distance between the upper structure and the lower structure varies depending on the construction accuracy at the site, if the distance is not as designed, it cannot be temporarily fixed and attached to each structure. Therefore, it must be attached by the same attachment method as before.

本発明は、このような実情に鑑みてなされたものであり、上下の構造物の実際の間隔に合わせて支承の高さを調節し、上沓と下沓とを仮固定したまま上下の構造物に取り付けることによって支承の施工作業性を向上させることができる支承用の仮固定具を提供することを目的とする。   The present invention has been made in view of such a situation, and adjusts the height of the support in accordance with the actual interval between the upper and lower structures, and the upper and lower structures while the upper and lower heels are temporarily fixed. An object of the present invention is to provide a temporary fixing tool for a bearing that can improve the workability of the bearing by being attached to an object.

（１）本発明に係る支承用の仮固定具は、下部構造物に取り付けられる下沓と、上部構造物に取り付けられ、かつ前記下沓から浮かせた状態で当該下沓に連結される上沓とを仮固定するための仮固定具であって、
前記上沓側に取り付けられる上固定部材と、
前記下沓側に取り付けられる下固定部材と、
前記上固定部材と前記下固定部材とを連結する連結部材と、
前記上固定部材と下固定部材の上下方向の間隔を調節する調節部材と、を備えていることを特徴とする。 (1) A temporary fixing tool for support according to the present invention includes a lower rod attached to a lower structure, and an upper flange attached to the upper structure and connected to the lower rod while being floated from the lower flange. A temporary fixing tool for temporarily fixing
An upper fixing member attached to the upper collar side;
A lower fixing member attached to the lower collar side;
A connecting member that connects the upper fixing member and the lower fixing member;
And an adjusting member for adjusting a vertical interval between the upper fixing member and the lower fixing member.

この構成によれば、上固定部材と下固定部材との上下方向の間隔を調節部材を用いて調節することによって、支承の高さを調節することができる。したがって、支承の施工現場において上部構造物と下部構造物の実際の間隔に合わせて支承の高さを調節することで、上沓と下沓とを仮固定したまま上下の構造物に取り付けることができる。そのため、支承の施工作業性を向上させることができる。   According to this configuration, the height of the support can be adjusted by adjusting the vertical distance between the upper fixing member and the lower fixing member using the adjusting member. Therefore, by adjusting the height of the bearings according to the actual distance between the upper structure and the lower structure at the construction site of the bearings, it is possible to attach them to the upper and lower structures while temporarily fixing the upper and lower cages. it can. Therefore, it is possible to improve the work efficiency of the support.

（２）前記調節部材は、前記上固定部材と前記下固定部材との間に配置され、かつネジ操作によって前記上固定部材と前記下固定部材との間における上下方向の寸法が調節されることが好ましい。
この構成によれば、ネジ操作（ネジを回す操作）によって上部構造物と下部構造物の実際の間隔に合わせて支承の高さを容易に調節することができる。 (2) The adjusting member is disposed between the upper fixing member and the lower fixing member, and a vertical dimension between the upper fixing member and the lower fixing member is adjusted by a screw operation. Is preferred.
According to this configuration, the height of the support can be easily adjusted in accordance with the actual distance between the upper structure and the lower structure by screw operation (operation for turning the screw).

（３）前記調節部材は、前記上固定部材と前記下固定部材との間に上下方向に沿って配置されるとともに、一方の固定部材に螺合し、他方の固定部材に上下方向の一端部が当接する調節ネジであることが好ましい。
この構成によれば、調節部材そのものを回す操作を行うことによって上下の固定部材の間隔を調節することができ、調節部材を簡素に構成することができる。 (3) The adjusting member is disposed along the vertical direction between the upper fixing member and the lower fixing member, is screwed into one fixing member, and is one end in the vertical direction with the other fixing member. It is preferable that the adjusting screw is abutted.
According to this configuration, the distance between the upper and lower fixing members can be adjusted by performing an operation of turning the adjustment member itself, and the adjustment member can be simply configured.

本発明によれば、上部構造物と下部構造物との実際の間隔に合わせて支承の高さを調節し、上沓と下沓とを仮固定したままそれぞれ上下の構造物に取り付けることができ、支承の施工作業性を向上させることができる。   According to the present invention, the height of the support can be adjusted in accordance with the actual distance between the upper structure and the lower structure, and the upper and lower eyelids can be attached to the upper and lower structures respectively with the upper and lower eyelids temporarily fixed. The construction workability of the bearing can be improved.

（ａ）は本発明の第１の実施形態における支承構造の側面説明図、（ｂ）は、同平面説明図である。(A) is side explanatory drawing of the support structure in the 1st Embodiment of this invention, (b) is the same plane explanatory drawing. 第１可動支承の平面図である。It is a top view of the 1st movable support. 第１可動支承の正面図である。It is a front view of the 1st movable support. 図２におけるIV−IV矢視断面図である。It is IV-IV arrow sectional drawing in FIG. 仮固定具の正面図である。It is a front view of a temporary fixing tool. 仮固定具の分解斜視図である。It is a disassembled perspective view of a temporary fixing tool. 本発明の第２の実施形態に係る仮固定具の側面図である。It is a side view of the temporary fixing tool which concerns on the 2nd Embodiment of this invention.

以下、添付図面を参照しつつ、本発明の支承構造の実施形態を詳細に説明する。
図１の（ａ）は本発明の第１の実施形態における支承構造の側面説明図であり、（ｂ）は、同平面説明図である。
図１に示される支承構造は、所定距離を隔てて隣接する２つの建物（築造物）Ｂ１、Ｂ２の間に架設される渡り廊下や連絡橋などの長尺の上部構造物Ｕを支持するものであり、第１可動支承１と、第２可動支承２ａ、２ｂと、第３可動支承３ａ、３ｂとを備えている。そして、第１，第３可動支承１，３ａ，３ｂは、一方の建物Ｂ１から突出する載置部（下部構造物）５と上部構造物Ｕの一方の端部（固定端。図１における左側端部）との間に設けられ、第２可動支承２ａ，２ｂは、他方の建物Ｂ２から突出する載置部（下部構造物）１１と上部構造物Ｕの他方の端部（可動端。図１における右側端部）との間に設けられている。 Hereinafter, embodiments of the support structure of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1A is an explanatory side view of a support structure according to the first embodiment of the present invention, and FIG. 1B is an explanatory plan view of the same.
The support structure shown in FIG. 1 supports a long upper structure U such as a passageway or a connecting bridge constructed between two buildings (constructions) B1 and B2 adjacent to each other at a predetermined distance. Yes, it includes a first movable bearing 1, second movable bearings 2a, 2b, and third movable bearings 3a, 3b. And the 1st, 3rd movable support 1,3a, 3b is the mounting part (lower structure) 5 which protrudes from one building B1, and one edge part (fixed end. Left side in FIG. 1) of the upper structure U 2nd movable support 2a, 2b is provided between the other building B2 and the other edge part (movable end. Figure) which is provided between the other building B2 and the upper structure U. 1 is provided between the right end portion and the right end portion in FIG.

第１可動支承１は、上部構造物Ｕの一方の端部と載置部５との相対的な水平回転を許容可能に構成されている。第２可動支承２ａ、２ｂは、上部構造物Ｕの他方の端部と載置部１１との、当該上部構造物Ｕの長手方向（軸方向）における相対的な移動を許容可能に構成されている。また、第３可動支承３ａ、３ｂは、第１可動支承１を挟んで、上部構造物Ｕの幅方向両側（図１（ｂ）における上下両側）に配設され、上部構造物Ｕの一方の端部と載置部５との相対的な水平移動（水平方向の全方向における移動）を許容可能に構成されている。   The first movable support 1 is configured to allow relative horizontal rotation between one end portion of the upper structure U and the placement portion 5. The second movable bearings 2a and 2b are configured to allow relative movement between the other end of the upper structure U and the mounting portion 11 in the longitudinal direction (axial direction) of the upper structure U. Yes. The third movable bearings 3a and 3b are disposed on both sides in the width direction of the upper structure U (upper and lower sides in FIG. 1B) with the first movable bearing 1 interposed therebetween, and one of the upper structures U is disposed. Relative horizontal movement (movement in all horizontal directions) between the end portion and the mounting portion 5 is allowed.

第２，第３可動支承２ａ，２ｂ，３ａ，３ｂは、上部構造物Ｕの荷重を直接的に受け、当該荷重を載置部５，１１に伝達する。したがって、上部構造物Ｕは、専ら第２，第３可動支承２ａ，２ｂ，３ａ，３ｂを介して載置部５，１１に支持されている。これに対して、第１可動支承１は、上部構造物Ｕの荷重を載置部５には伝えず、専ら上部構造物Ｕと載置部５との相対的な水平回転を除く、他の全ての方向における相対移動を制限している。   The second and third movable supports 2 a, 2 b, 3 a, 3 b directly receive the load of the upper structure U and transmit the load to the placement parts 5, 11. Therefore, the upper structure U is supported by the mounting parts 5 and 11 exclusively through the second and third movable supports 2a, 2b, 3a and 3b. On the other hand, the first movable support 1 does not transmit the load of the upper structure U to the mounting portion 5, and excludes the relative horizontal rotation between the upper structure U and the mounting portion 5. Restricts relative movement in all directions.

本発明の仮固定具３０は、このような構成の第１可動支承１における上沓４と下沓６（図２〜図４参照）とを仮固定するために用いられる。以下、第１可動支承１及び仮固定具３０の構成について詳細に説明する。
図２は、第１可動支承の平面図、図３は、第１可動支承の正面図、図４は、図２におけるIV−IV矢視断面図である。 The temporary fixing tool 30 of this invention is used in order to temporarily fix the upper collar 4 and the lower collar 6 (refer FIGS. 2-4) in the 1st movable support 1 of such a structure. Hereinafter, the structure of the 1st movable support 1 and the temporary fixing tool 30 is demonstrated in detail.
2 is a plan view of the first movable bearing, FIG. 3 is a front view of the first movable bearing, and FIG. 4 is a cross-sectional view taken along arrows IV-IV in FIG.

第１可動支承１は、互いに対向して配置される上部構造物Ｕの下面に固定される上沓４と、載置部５に固定される下沓６とから構成されている。下沓６は、本体部２１と、ストッパ２２とを有している。本体部２１は、平面形状が略正方形の直方体形状に形成されている。本体部２１の上面中央には、平面視円形状の凹部２３が形成されている。この凹部２３の底面には薄板状のすべり材２４が設けられている。このすべり材２４は、上沓４の下端面が凹部２３の底面に接触した場合の摩擦抵抗を低減する機能を有している。すべり材２４は、例えば、ＰＴＦＥ等の合成樹脂材料で形成される。   The first movable support 1 includes an upper rod 4 that is fixed to the lower surface of the upper structure U that is disposed opposite to each other, and a lower rod 6 that is fixed to the mounting portion 5. The lower collar 6 has a main body 21 and a stopper 22. The main body 21 is formed in a rectangular parallelepiped shape having a substantially square planar shape. A concave portion 23 having a circular shape in plan view is formed at the center of the upper surface of the main body portion 21. A thin plate-like sliding material 24 is provided on the bottom surface of the recess 23. The sliding member 24 has a function of reducing frictional resistance when the lower end surface of the upper collar 4 comes into contact with the bottom surface of the recess 23. The sliding member 24 is formed of a synthetic resin material such as PTFE, for example.

ストッパ２２は、本体部２１における対向する２つの側面にそれぞれ複数のネジ（ボルト）２５によって取り付けられている。このストッパ２２は、本体部２１の上面において凹部２３の内側へ水平に突出することによって、凹部２３内に挿入された上沓４の凸部１４（詳細は後述）の上方への移動を制限する機能を有している。   The stopper 22 is attached to two opposing side surfaces of the main body 21 by a plurality of screws (bolts) 25. This stopper 22 protrudes horizontally inside the recess 23 on the upper surface of the main body 21, thereby restricting upward movement of the projection 14 (details will be described later) of the upper collar 4 inserted into the recess 23. It has a function.

上沓４は、本体部１３と、凸部１４とを有している。本体部１３は、平面形状が略正方形の厚板材で形成されている。凸部１４は、円柱形状に形成され、本体部１３の下面中央に下方突出状に設けられている。また、凸部１４は、上部側の小径部１４ａと、この小径部１４ａよりも外径が大きい下部側の大径部１４ｂとからなっている。本体部１３と凸部１４とは、溶接等によって一体的に結合されている。   The upper collar 4 has a main body part 13 and a convex part 14. The main body 13 is formed of a thick plate material having a substantially square planar shape. The convex portion 14 is formed in a cylindrical shape, and is provided in a downward projecting shape at the center of the lower surface of the main body portion 13. Moreover, the convex part 14 consists of the small diameter part 14a of the upper side, and the large diameter part 14b of the lower part whose outer diameter is larger than this small diameter part 14a. The main body portion 13 and the convex portion 14 are integrally coupled by welding or the like.

上沓４の凸部１４は、下沓６の凹部２３内に挿入されている。凸部１４における大径部１４ｂの厚さは、下沓６の凹部２３の深さよりも小さい寸法に設定されている。また、大径部１４ｂの外径は、凹部２３の内径よりも若干小さく形成され、凹部２３に大径部１４ｂを挿入したときに、大径部１４ｂの外周面と凹部２３の内周面との間に僅かな隙間（例えば、半径４ｍｍ程度）が形成される。したがって、上沓４の凸部１４は、下沓６の凹部２３内で水平に回転（凸部１４及び凹部２３の中心軸線回りに回転）することができる。なお、大径部１４ｂの外周面及び凹部２３の内周面のいずれか一方又は双方には、両者が接触したときの摩擦抵抗を低減するために、すべり材が設けられていてもよい。   The convex portion 14 of the upper collar 4 is inserted into the concave portion 23 of the lower collar 6. The thickness of the large-diameter portion 14 b in the convex portion 14 is set to a dimension smaller than the depth of the concave portion 23 of the lower collar 6. Also, the outer diameter of the large diameter portion 14b is formed slightly smaller than the inner diameter of the recess 23, and when the large diameter portion 14b is inserted into the recess 23, the outer peripheral surface of the large diameter portion 14b and the inner peripheral surface of the recess 23 A slight gap (for example, a radius of about 4 mm) is formed. Therefore, the convex portion 14 of the upper collar 4 can be rotated horizontally (rotated around the central axis of the convex portion 14 and the concave portion 23) within the concave portion 23 of the lower collar 6. Note that a sliding material may be provided on one or both of the outer peripheral surface of the large-diameter portion 14b and the inner peripheral surface of the concave portion 23 in order to reduce frictional resistance when both are in contact.

凹部２３内に挿入された大径部１４ｂは、その外周部がストッパ２２に係合することによって上方への移動が制限されている。したがって、大径部１４ｂは、凹部２３の深さの範囲内で上下方向に移動することができる。また、第１可動支承１は、上沓４の凸部１４の下面が、下沓６の凹部２３の底面に接触しないように浮かせた状態で使用される。   The large-diameter portion 14 b inserted into the recess 23 is restricted from moving upward by the outer peripheral portion engaging the stopper 22. Therefore, the large diameter portion 14 b can move in the vertical direction within the depth range of the recess 23. The first movable support 1 is used in a state where the lower surface of the convex portion 14 of the upper collar 4 is floated so as not to contact the bottom surface of the concave portion 23 of the lower collar 6.

仮固定具３０は、上沓４と下沓６とを組み立てた後、両者を一時的に固定（仮固定）するために用いられる。第１可動支承１は、上沓４と下沓６とを仮固定した状態で工場から出荷され、施工現場に搬入される。そして、仮固定具３０は、上沓４及び下沓６がそれぞれ上部構造物Ｕ及び載置部５に取り付けられた後に、上沓４及び下沓６から取り外される。
仮固定具３０は、第１可動支承１の４隅に設けられている。より具体的には、下沓６における２つのストッパ２２の両側に隣接して設けられている。そして、各仮固定具３０は、上固定部材３１と、下固定部材３２と、連結ネジ（連結部材）３３と、調節ネジ（調節部材）３４とを備えている。 The temporary fixing tool 30 is used to temporarily fix (temporarily fix) both after assembling the upper rod 4 and the lower rod 6. The first movable support 1 is shipped from the factory in a state where the upper rod 4 and the lower rod 6 are temporarily fixed, and is carried into the construction site. And the temporary fixing tool 30 is removed from the upper collar 4 and the lower collar 6, after the upper collar 4 and the lower collar 6 are attached to the upper structure U and the mounting part 5, respectively.
The temporary fixing tools 30 are provided at the four corners of the first movable support 1. More specifically, it is provided adjacent to both sides of the two stoppers 22 in the lower collar 6. Each temporary fixing tool 30 includes an upper fixing member 31, a lower fixing member 32, a connecting screw (connecting member) 33, and an adjusting screw (adjusting member) 34.

図５は、仮固定具の正面図である。図６は、仮固定具の分解斜視図である。
上固定部材３１及び下固定部材３２は、断面Ｌ字形状のアングル材によって構成されている。具体的に、上固定部材３１及び下固定部材３２は、それぞれ長方形状に形成された２つの板部３１ａ，３１ｂ，３２ａ，３２ｂを備えており、一方の板部（第１板部）３１ａ，３２ａが鉛直方向に沿って配置され、他方の板部（第２板部）３１ｂ、３２ｂが水平方向に沿って配置されている。 FIG. 5 is a front view of the temporary fixing tool. FIG. 6 is an exploded perspective view of the temporary fixing tool.
The upper fixing member 31 and the lower fixing member 32 are configured by angle members having an L-shaped cross section. Specifically, the upper fixing member 31 and the lower fixing member 32 each include two plate portions 31a, 31b, 32a, and 32b that are formed in a rectangular shape, and one plate portion (first plate portion) 31a, 32a is arrange | positioned along a perpendicular direction, and the other board part (2nd board part) 31b and 32b is arrange | positioned along the horizontal direction.

各第１板部３１ａ，３２ａの長手方向両側には、それぞれ２個の挿通孔３１ａ１，３２ａ１が形成されている。そして、この挿通孔３１ａ１，３２ａ１に挿通された固定ネジ３７（図５参照）によって上固定部材３１が上沓４の側面に、下固定部材３２が下沓６の側面にそれぞれ固定されている。   Two insertion holes 31a1 and 32a1 are formed on both longitudinal sides of the first plate portions 31a and 32a, respectively. The upper fixing member 31 is fixed to the side surface of the upper collar 4 and the lower fixing member 32 is fixed to the side surface of the lower collar 6 by fixing screws 37 (see FIG. 5) inserted through the insertion holes 31a1 and 32a1.

上固定部材３１における第２板部３１ｂの長手方向両側には、２つの挿通孔３１ｂ１が形成され、長手方向中央部には、１つの雌ネジ孔３１ｂ２が形成されている。
一方、下固定部材３２における第２板部３２ｂの長手方向両側には、上固定部材３１の２つの挿通孔３１ｂ１に対応する２つの雌ネジ孔３２ｂ１が形成されている。
そして、上固定部材３１の挿通孔３１ｂ１に挿通された連結ネジ３３を、それぞれ下固定部材３２の雌ネジ孔３２ｂ１に螺合することによって、上下の固定部材３１，３２が連結され、これによって上沓４と下沓６とが仮固定される。 Two insertion holes 31b1 are formed on both sides in the longitudinal direction of the second plate portion 31b in the upper fixing member 31, and one female screw hole 31b2 is formed in the central portion in the longitudinal direction.
On the other hand, two female screw holes 32b1 corresponding to the two insertion holes 31b1 of the upper fixing member 31 are formed on both sides of the lower fixing member 32 in the longitudinal direction of the second plate portion 32b.
The upper and lower fixing members 31 and 32 are connected by screwing the connecting screws 33 inserted into the insertion holes 31b1 of the upper fixing member 31 into the female screw holes 32b1 of the lower fixing member 32, respectively. The collar 4 and the lower collar 6 are temporarily fixed.

また、上固定部材３１における雌ネジ孔３１ｂ２には、調節ネジ３４が上方から螺合され、この調節ネジ３４の下端部は、下固定部材３２における第２板部３２ｂの上面に当接される。したがって、上固定部材３１の第２板部３１ｂから下方に突出する調節ネジ３４の長さによって、上固定部材３１と下固定部材３２の上下方向の間隔が設定される。また、雌ネジ孔３１ｂ２に対する調節ネジ３４の螺合量（螺合位置）を調節することによって、第２板部３１ｂから下方に突出する調節ネジ３４の長さを調節し、上固定部材３１と下固定部材３２の上下方向の間隔も調節することができる。   An adjustment screw 34 is screwed into the female screw hole 31 b 2 in the upper fixing member 31 from above, and a lower end portion of the adjustment screw 34 is in contact with an upper surface of the second plate portion 32 b in the lower fixing member 32. . Accordingly, the vertical distance between the upper fixing member 31 and the lower fixing member 32 is set by the length of the adjustment screw 34 that protrudes downward from the second plate portion 31 b of the upper fixing member 31. Further, by adjusting the screwing amount (screwing position) of the adjusting screw 34 with respect to the female screw hole 31b2, the length of the adjusting screw 34 protruding downward from the second plate portion 31b is adjusted, and the upper fixing member 31 and The vertical spacing of the lower fixing member 32 can also be adjusted.

具体的に、上固定部材３１と下固定部材３２の間隔を拡げるには、まず、連結ネジ３３を緩め、調節ネジ３４を締める（調節ネジ３４の第２板部３１ｂからの突出長さを大きくする）ことによって上固定部材３１を上方に持ち上げ、所望の位置で再び連結ネジ３３を締めればよい。また、上固定部材３１と下固定部材３２の間隔を狭くする場合は、調節ネジ３４を緩める（調節ネジ３４の第２板部３１ｂからの突出長さを小さくする）ことによって上固定部材３１を下方に下げ、所望の位置で連結ネジ３３を締め付ければよい。   Specifically, in order to increase the distance between the upper fixing member 31 and the lower fixing member 32, first, the connecting screw 33 is loosened and the adjusting screw 34 is tightened (the protruding length of the adjusting screw 34 from the second plate portion 31b is increased). The upper fixing member 31 is lifted upward, and the connecting screw 33 is tightened again at a desired position. Further, when the interval between the upper fixing member 31 and the lower fixing member 32 is reduced, the adjustment screw 34 is loosened (the protruding length of the adjustment screw 34 from the second plate portion 31b is reduced) so that the upper fixing member 31 is moved. What is necessary is just to lower | lower and tighten the connection screw 33 in a desired position.

第１可動支承１の４隅の仮固定具３０において、上固定部材３１と下固定部材３２の間隔を調節することによって、第１可動支承１の高さ寸法Ｈを調節することができる。従って、現場における上部構造物Ｕと載置部５との実際の間隔に応じて第１可動支承１の高さ寸法Ｈを調節することができる。すなわち、仮固定具３０は、工場からの出荷時や現場への搬入時には、主に上沓４と下沓６とを一体的に連結するために用いられるが、現場においては、上部構造物Ｕと載置部５との間隔に合わせて第１可動支承１の高さ寸法Ｈを調節するためにも用いられる。   In the temporary fixing tools 30 at the four corners of the first movable support 1, the height dimension H of the first movable support 1 can be adjusted by adjusting the distance between the upper fixing member 31 and the lower fixing member 32. Therefore, the height dimension H of the first movable support 1 can be adjusted according to the actual distance between the upper structure U and the mounting portion 5 at the site. In other words, the temporary fixing tool 30 is mainly used for integrally connecting the upper and lower cages 4 and 6 at the time of shipment from the factory or at the time of delivery to the site. It is also used to adjust the height dimension H of the first movable support 1 in accordance with the distance between the mounting portion 5 and the mounting portion 5.

そして、第１可動支承１の高さ寸法Ｈを調節することによって、載置部５上に下沓６を載置した状態で、上沓４の上面を上部構造物Ｕの下面に当接させ、仮固定具３０で上沓４と下沓６とを仮固定したまま、それぞれを上部構造物Ｕ及び載置部５に溶接等によって取り付けることができる。したがって、作業者が上沓４を持ち上げながら下沓６との間にスペーサ等を挿入しなくても、第１可動支承１を容易に取り付けることができる。また、調節ネジ３４を回す操作を行うだけで第１可動支承１の高さ寸法Ｈを容易に調節することができる。以上より、第１可動支承１の施工作業性を大きく向上させることができる。   Then, by adjusting the height dimension H of the first movable support 1, the upper surface of the upper rod 4 is brought into contact with the lower surface of the upper structure U in a state where the lower rod 6 is mounted on the mounting portion 5. While the upper hook 4 and the lower hook 6 are temporarily fixed by the temporary fixing tool 30, each can be attached to the upper structure U and the mounting portion 5 by welding or the like. Therefore, the first movable support 1 can be easily attached even if the operator lifts the upper rod 4 and does not insert a spacer or the like between the lower rod 6 and the like. In addition, the height dimension H of the first movable support 1 can be easily adjusted simply by turning the adjusting screw 34. From the above, the construction workability of the first movable support 1 can be greatly improved.

〔第２の実施形態〕
図７は、本発明の第２の実施形態に係る仮固定具の側面図である。
第２の実施形態の仮固定具３０は、調節部材４１としての２つのブロック体４２，４３と、一方のブロック体４３を操作するための操作ネジ４４とを有している。２つのブロック体４２，４３は上下に重ね合わされており、上側のブロック体４２が上固定部材３１に固定され、下側のブロック体４３が、下固定部材３２に前後方向（図７の矢印ａ方向）に移動可能に連結されている。そして、上下のブロック体４２，４３の接触面は傾斜しており、上側のブロック体４２に対して下側のブロック体４３を前後に移動させると、上側のブロック体４２が上下動し、上固定部材３１と下固定部材の上下方向の間隔を調節することができる。 [Second Embodiment]
FIG. 7 is a side view of the temporary fixture according to the second embodiment of the present invention.
The temporary fixing tool 30 of the second embodiment includes two block bodies 42 and 43 as the adjustment member 41 and an operation screw 44 for operating one of the block bodies 43. The two block bodies 42 and 43 are superposed vertically, the upper block body 42 is fixed to the upper fixing member 31, and the lower block body 43 is attached to the lower fixing member 32 in the front-rear direction (arrow a in FIG. 7). Direction). The contact surfaces of the upper and lower block bodies 42 and 43 are inclined, and when the lower block body 43 is moved back and forth with respect to the upper block body 42, the upper block body 42 moves up and down. The vertical interval between the fixing member 31 and the lower fixing member can be adjusted.

操作ネジ４４は、水平方向（前後方向）に沿って配置されており、下固定部材３２の第２板部３２ｂの先端から上方に屈曲する取付片３２ｂ３に螺合され、その先端部が下側のブロック体４３に相対回転可能に連結されている。そして、取付片３２ｂ３に対する操作ネジ４４の螺合量（螺合位置）を調節することによって下側のブロック体４３を前後に移動させることができる。   The operation screw 44 is disposed along the horizontal direction (front-rear direction), and is screwed into a mounting piece 32b3 that bends upward from the tip of the second plate portion 32b of the lower fixing member 32, and the tip thereof is located on the lower side. The block body 43 is connected to be relatively rotatable. And the lower block body 43 can be moved back and forth by adjusting the screwing amount (screwing position) of the operation screw 44 with respect to the attachment piece 32b3.

したがって、本実施形態においては、操作ネジ４４を操作することによって上固定部材３１と下固定部材３２の上下方向の間隔を調節し、第１可動支承１の高さ寸法を調節することができる。そのため、第１の実施形態と同様に、施工現場において上部構造物Ｕと載置部５との上下方向の間隔に応じて第１可動支承１の高さ寸法を調節し、上沓４と下沓６とを仮固定したまま上部構造物Ｕ及び載置部５に取り付けることができる。また、操作ネジ４４を回す操作するだけで第１可動支承１の高さ寸法を容易に調節することができる。したがって、本実施形態においても、第１可動支承１の施工作業性を向上させることができる。   Therefore, in the present embodiment, by operating the operating screw 44, the vertical distance between the upper fixing member 31 and the lower fixing member 32 can be adjusted, and the height dimension of the first movable support 1 can be adjusted. Therefore, as in the first embodiment, the height of the first movable support 1 is adjusted according to the vertical distance between the upper structure U and the mounting portion 5 at the construction site, and the upper rod 4 and the lower It can be attached to the upper structure U and the mounting portion 5 with the flange 6 temporarily fixed. Further, the height dimension of the first movable support 1 can be easily adjusted simply by turning the operation screw 44. Therefore, also in this embodiment, the workability of the first movable support 1 can be improved.

ただし、本実施形態では、第１の実施形態と比べて、調節部材の構成部品が増え、この調節部材を操作するための操作ネジ４４も別途必要となっている。したがって、構造の簡素化や製造コスト等の点では、第１の実施形態の方がより有利である。   However, in this embodiment, compared with the first embodiment, the number of components of the adjustment member is increased, and an operation screw 44 for operating the adjustment member is also required. Therefore, the first embodiment is more advantageous in terms of the simplification of the structure and the manufacturing cost.

本発明は、上記実施形態に限定されるものではなく、特許請求の範囲に記載された発明の範囲内において適宜変更することが可能である。
例えば、前述した実施形態では、上沓４に凸部１４を形成し、この凸部１４を挿入させる凹部２３を下沓６に形成しているが、これとは逆に、上沓４に凹部を形成し、下沓６に凸部を形成してもよい。 The present invention is not limited to the above-described embodiment, and can be appropriately changed within the scope of the invention described in the claims.
For example, in the above-described embodiment, the convex portion 14 is formed on the upper collar 4 and the concave portion 23 into which the convex portion 14 is inserted is formed on the lower collar 6. Conversely, the concave portion is formed on the upper collar 4. And a convex portion may be formed on the lower collar 6.

また、上記第１実施形態の仮固定具３０には、２本の連結ネジ３３と１本の調節ネジ３４とが設けられていたが、これらの本数については適宜変更することができる。例えば、連結ネジ３３と調節ネジ３４とを各１本とし、これらを前後に並べて（支承に近い側と遠い側とに並べて）配置することができる。
また、上記実施形態では、２つの建物（下部構造物）Ｂ１，Ｂ２の間に架設される上部構造物Ｕを支持するための支承に仮固定具を適用する例を示したが、これに限定されるものではなく、上下の構造物の間において上沓４を下沓６から浮かせた状態で使用する支承であれば本発明の仮固定具を適用することができる。 Moreover, although the two fixing screws 33 and the one adjusting screw 34 were provided in the temporary fixing tool 30 of the said 1st Embodiment, about these numbers, it can change suitably. For example, the connecting screw 33 and the adjusting screw 34 may be one each, and these may be arranged side by side (side by side and near to the support).
Moreover, in the said embodiment, although the example which applies a temporary fixing tool to the support for supporting the upper structure U constructed between two buildings (lower structure) B1, B2 was shown, it is limited to this The temporary fixing tool of the present invention can be applied to any support that is used in a state where the upper rod 4 is lifted from the lower rod 6 between the upper and lower structures.

１ ：第１可動支承
４ ：上沓
５ ：載置部（下部構造物）
６ ：下沓
３０ ：仮固定具
３１ ：上固定部材
３２ ：下固定部材
３３ ：連結ネジ（連結部材）
３４ ：調節ネジ（調節部材）
４１ ：調節部材
４２ ：ブロック体
４３ ：ブロック体
４４ ：操作ネジ
Ｕ ：上部構造物 1: First movable support 4: Upper arm 5: Placement part (lower structure)
6: Lower anchor 30: Temporary fixing tool 31: Upper fixing member 32: Lower fixing member 33: Connection screw (connection member)
34: Adjustment screw (adjustment member)
41: Adjustment member 42: Block body 43: Block body 44: Operation screw U: Superstructure

Claims (3)

下部構造物に取り付けられる下沓と、上部構造物に取り付けられ、かつ前記下沓から浮かせた状態で当該下沓に連結される上沓とを仮固定するための仮固定具であって、
前記上沓側に取り付けられ、水平方向に沿って配置された板部を有する上固定部材と、
前記下沓側に取り付けられ、水平方向に沿って配置されるとともに前記上固定部材の前記板部の下面側に対向する板部を有する下固定部材と、
前記上固定部材の前記板部と前記下固定部材の前記板部とを連結する連結部材と、
前記上固定部材と下固定部材の上下方向の間隔を調節する調節部材と、を備え、
前記調節部材は、前記連結部材に沿って配置され、前記上固定部材の前記板部及び前記下固定部材の前記板部の一方に螺合し、他方に上下方向の一端部が当接することを特徴とする支承用の仮固定具。 A temporary fixing tool for temporarily fixing a lower arm attached to the lower structure and an upper arm attached to the upper structure and connected to the lower arm in a state of being floated from the lower structure,
An upper fixing member attached to the upper collar side and having a plate portion arranged along the horizontal direction;
A lower fixing member attached to the lower collar side and disposed along the horizontal direction and having a plate portion facing the lower surface side of the plate portion of the upper fixing member;
A connecting member that connects the plate portion of the upper fixing member and the plate portion of the lower fixing member;
An adjustment member that adjusts the vertical interval between the upper fixing member and the lower fixing member,
The adjusting member is disposed along the connecting member, and is screwed into one of the plate portion of the upper fixing member and the plate portion of the lower fixing member, and one end portion in the vertical direction is in contact with the other. Temporary fixing tool for bearings. 前記上固定部材の前記板部及び前記下固定部材の前記板部は、前記上沓及び前記下沓の側面から側方に突出している、請求項１に記載の支承用の仮固定具。   The temporary fixing tool for support according to claim 1, wherein the plate portion of the upper fixing member and the plate portion of the lower fixing member protrude laterally from the side surfaces of the upper and lower collars. 前記調節部材を間に挟んだ状態で、その両側に２つの前記連結部材が並行して配置されている、請求項１又は２に記載の支承用の仮固定具。 The temporary fixing tool for support according to claim 1 or 2, wherein the two connecting members are arranged in parallel on both sides of the adjusting member with the adjusting member interposed therebetween.
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KR102467773B1 (en) * 2020-07-16 2022-11-15 연세대학교 산학협력단 Temporary fixing apparatus for pre-loading of bridge shoe and pre-loading method using the same

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JPS6073904A (en) * 1983-09-29 1985-04-26 株式会社東芝 Vibration dampening apparatus of structure
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JP5602478B2 (en) * 2010-04-06 2014-10-08 日本ピラー工業株式会社 Bearing structure
JP5571446B2 (en) * 2010-04-27 2014-08-13 株式会社エスイー Structure displacement limiter
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