JPH09184397A - Joint structure - Google Patents
Joint structureInfo
- Publication number
- JPH09184397A JPH09184397A JP7344090A JP34409095A JPH09184397A JP H09184397 A JPH09184397 A JP H09184397A JP 7344090 A JP7344090 A JP 7344090A JP 34409095 A JP34409095 A JP 34409095A JP H09184397 A JPH09184397 A JP H09184397A
- Authority
- JP
- Japan
- Prior art keywords
- joining
- rod
- cylinder
- joint
- structure according
- 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.)
- Pending
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、例えば、多数接
合されて筒状のトンネル壁体を構成するセグメント同士
を接合する場合に用いて好適な接合構造に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joining structure suitable for use, for example, in joining a plurality of segments which are joined together to form a tubular tunnel wall body.
【０００２】[0002]
【従来の技術】例えば筒状のトンネル壁体を構成する場
合、一般に、セグメント同士をボルトによって接合して
いた。このボルトでセグメント同士を接合する構造とし
ては、セグメントの接合面の近傍に、セグメントの接合
面同士を当接させた際に互いに連通する孔部を有する継
手を埋め込んでおき、これら継手の孔部同士が連通する
ように、セグメントの接合面を当接させた状態にて、孔
部へボルトを挿通させ、このボルトへナットを締結させ
て接合させる構造が一般的である。2. Description of the Related Art In the case of constructing a tubular tunnel wall, for example, segments are generally joined together by bolts. As a structure for joining segments with this bolt, a joint having holes communicating with each other when the joining surfaces of the segments are brought into contact with each other is embedded in the vicinity of the joining surfaces of the segments. A structure is generally used in which a bolt is inserted into a hole portion and a nut is fastened to the bolt in a state where the joint surfaces of the segments are in contact with each other so that they communicate with each other.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記構
造では、構築現場にて継手の接合面に形成された孔部へ
ボルトを挿通させ、このボルトへナットを締結させると
いう極めて煩雑な作業を要するという問題があった。し
かも、上記接合構造では、継手の孔部同士を正確に連通
させてセグメントを設置させなければならなかった。However, in the above structure, it is necessary to insert a bolt into the hole formed in the joint surface of the joint at the construction site and fasten the nut to the bolt, which is extremely complicated work. There was a problem. Moreover, in the above-mentioned joining structure, the segments must be installed by accurately communicating the holes of the joint.
【０００４】この発明は、上記事情に鑑みてなされたも
ので、例えばセグメント同士を極めて容易に接合させる
ことが可能な接合構造を提供することを目的としてい
る。The present invention has been made in view of the above circumstances, and an object thereof is to provide, for example, a joining structure capable of joining segments to each other very easily.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に、請求項１記載の接合構造は、部材同士を、互いの接
合面を合わせた状態で接合する接合構造であって、前記
各部材に設けられた接合筒と、これら接合筒に両端部が
それぞれ嵌合されて固定される接合棒とによって接合さ
れてなり、該接合棒は、中心に孔部を有する筒状に形成
され、かつその両端部近傍に、軸方向へ沿う複数のスリ
ットが周方向へ間隔をあけて形成され、前記接合筒は、
その内周面が、底部方向へ向かって次第に拡径したテー
パ状に形成された係合部とされてなり、前記接合棒の端
部と前記接合筒の底部との間には、接合筒の底部方向へ
向かって次第に拡径したテーパ状に形成され、挿入され
る前記接合棒の孔部に嵌合することにより、この接合棒
を外周方向へ押し広げて前記接合筒の係合部へ押し付け
る突起部が設けられていることを特徴としている。In order to achieve the above object, the joint structure according to claim 1 is a joint structure for joining members in a state where their joint surfaces are aligned with each other. Are joined to each other by a joining cylinder provided at the joining cylinder and joining rods whose both ends are fitted and fixed to these joining cylinders, respectively, and the joining rod is formed into a tubular shape having a hole in the center, and In the vicinity of both ends thereof, a plurality of slits along the axial direction are formed at intervals in the circumferential direction, and the joining cylinder is
The inner peripheral surface thereof is an engagement portion formed in a taper shape whose diameter gradually increases toward the bottom portion, and between the end portion of the joining rod and the bottom portion of the joining cylinder, the joining cylinder It is formed in a taper shape with a diameter gradually increasing toward the bottom, and by fitting it into the hole of the joining rod to be inserted, the joining rod is expanded in the outer peripheral direction and pressed against the engaging portion of the joining cylinder. It is characterized in that a protrusion is provided.
【０００６】請求項２記載の接合構造は、請求項１記載
の接合構造において、前記接合筒の係合部における内周
面及び前記接合棒の両端近傍における外周面の両方に、
軸方向へ凹凸形状とされた鋸歯が形成されていることを
特徴としている。請求項３記載の接合構造は、請求項１
記載の接合構造において、前記接合筒の係合部における
内周面及び前記接合棒の両端近傍における外周面のいず
れか一方に、軸方向へ凹凸形状とされた鋸歯が形成され
ていることを特徴としている。請求項４記載の接合構造
は、請求項３記載の接合構造において、前記鋸歯が押し
当てられる前記接合筒あるいは前記接合棒が軟質材料か
ら形成されていることを特徴としている。The joint structure according to a second aspect is the joint structure according to the first aspect, in which both the inner peripheral surface of the engaging portion of the joint cylinder and the outer peripheral surfaces of both ends of the joint rod are provided.
It is characterized in that saw teeth having an uneven shape are formed in the axial direction. The joint structure according to claim 3 is the structure according to claim 1.
In the joining structure described above, a saw tooth having an uneven shape in the axial direction is formed on one of the inner circumferential surface of the engaging portion of the joining cylinder and the outer circumferential surface of the joining rod near both ends thereof. I am trying. A joint structure according to a fourth aspect is the joint structure according to the third aspect, characterized in that the joint cylinder or the joint rod against which the saw teeth are pressed is formed of a soft material.
【０００７】請求項５記載の接合構造は、請求項１〜４
のいずれか１項記載の接合構造において、前記接合棒の
中間部に周方向へ間隔をあけてスリットが形成されてい
ることを特徴としている。請求項６記載の接合構造は、
請求項１〜５のいずれか１項記載の接合構造において、
前記接合筒の先端内縁部に、前記接合棒の挿入方向へ向
かって次第に窄まるテーパ部が形成されていることを特
徴としている。請求項７記載の接合構造は、請求項１〜
６のいずれか１項記載の接合構造において、互いに接合
される部材の接合面に、互いに嵌合する凹部及び凸部が
形成されていることを特徴としている。According to a fifth aspect of the present invention, there is provided a joint structure according to the first to fourth aspects.
In the joining structure according to any one of items 1 to 3, slits are formed in the middle portion of the joining rod at intervals in the circumferential direction. The joint structure according to claim 6,
The joint structure according to any one of claims 1 to 5,
It is characterized in that a taper portion is formed at an inner edge portion of the tip of the joining cylinder, the taper portion being gradually narrowed in the insertion direction of the joining rod. The joint structure according to claim 7 is defined by claim 1
The joint structure according to any one of 6 above is characterized in that a concave portion and a convex portion that fit with each other are formed on the joint surface of the members to be joined with each other.
【０００８】[0008]
【発明の実施の形態】以下、本発明の実施の形態の接合
構造を図によって説明する。図１において、符号１は、
接合棒であり、符号２は、接合筒である。接合筒２は、
それぞれのセグメント（部材）３に埋め込まれたもの
で、これらセグメント３の接合筒２へ前記接合棒１を嵌
合させることにより、それぞれのセグメント３同士が接
合されるようになっている。接合棒１は、軟鋼等を筒状
に形成したもので、図２に示すように、その両端部に
は、軸方向へ沿って複数のスリット４が周方向へ間隔を
あけて形成されている。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a bonding structure according to an embodiment of the present invention will be described with reference to the drawings. In FIG. 1, reference numeral 1 denotes
It is a joining rod, and reference numeral 2 is a joining cylinder. The joining cylinder 2 is
It is embedded in the respective segments (members) 3, and the segments 3 are joined together by fitting the joining rods 1 into the joining cylinders 2 of the segments 3. The joining rod 1 is formed of a mild steel or the like in a tubular shape, and as shown in FIG. 2, a plurality of slits 4 are formed at both ends thereof along the axial direction at intervals in the circumferential direction. .
【０００９】前記接合筒２は、前記接合棒１が挿入され
る孔部５を有するもので、後端側には、突起部６を有す
る底板７が設けられている。また、この接合筒２の孔部
５の底部近傍の部分は、底部方向へ向かって僅かに拡径
するテーパ状に形成され、かつ内面側に鋸歯が形成され
た係合部１１とされている。底板７に設けられた突起部
６は、その先端部分が、前記接合棒１の孔部１ａの内径
よりも小径に形成され、その周面が、底板７方向へ向か
って拡径するテーパ面とされた台形錐状に形成されてい
る。The joining cylinder 2 has a hole 5 into which the joining rod 1 is inserted, and a bottom plate 7 having a protrusion 6 is provided on the rear end side. Further, a portion near the bottom of the hole 5 of the joining cylinder 2 is an engaging portion 11 which is formed in a tapered shape in which the diameter is slightly increased toward the bottom and saw teeth are formed on the inner surface side. . The protruding portion 6 provided on the bottom plate 7 has a tip end portion formed to have a diameter smaller than the inner diameter of the hole 1a of the joining rod 1, and the peripheral surface thereof is a tapered surface that expands in the direction of the bottom plate 7. It is formed in a trapezoidal cone shape.
【００１０】また、接合筒２の先端部における内縁部に
は、接合棒１の挿入方向へ向かって次第に窄まるテーパ
部１２が形成されており、さらに、この接合筒２の先端
部の周囲におけるセグメント３にも、同様に接合棒１の
挿入方向へ向かって次第に窄まるテーパ部１３が形成さ
れている。また、この接合筒２が設けられたセグメント
３には、図３に示すように、接合筒２の配設箇所を含む
接合面３ａに凹部１５及び凸部１６が形成されており、
これら凹部１５及び凸部１６が互いに嵌合するようにな
っている。なお、図１において、符号１７は、接合筒２
に連結されたアンカー筋であり、符号１８は、アンカー
筋１７を含む接合筒２の周囲に螺旋状に配設された補強
筋である。A taper portion 12 is formed on the inner edge of the tip of the joining cylinder 2 so as to gradually narrow in the insertion direction of the joining rod 1. Further, a taper portion 12 around the tip of the joining cylinder 2 is formed. Similarly, the segment 3 is also formed with a tapered portion 13 that gradually narrows in the insertion direction of the joining rod 1. Further, in the segment 3 provided with the joining cylinder 2, as shown in FIG. 3, the concave portion 15 and the convex portion 16 are formed on the joining surface 3a including the disposition place of the joining cylinder 2,
The concave portion 15 and the convex portion 16 are fitted to each other. In addition, in FIG. 1, reference numeral 17 is a joining cylinder 2
The reference numeral 18 is a reinforcing bar spirally arranged around the joint cylinder 2 including the anchor bar 17.
【００１１】そして、上記接合筒２を有するセグメント
３同士を接合棒１によって接合させる場合には、接合棒
１の一端を、いずれか一方のセグメント３の接合筒２へ
挿入し、この挿入した接合棒１の他端を他方のセグメン
ト３の接合筒２へ挿入させるように、セグメント３同士
を近接させ、接合棒１の両端が、それぞれのセグメント
３の接合筒２に挿入された状態とする。この状態から、
さらに、セグメント３同士を近接させ、それぞれのセグ
メント３の凹部１５及び凸部１６が嵌合するように、セ
グメント３の接合面３ａを当接させる。このようにする
と、図４に示すように、それぞれのセグメント３の接合
筒２に挿入された接合棒１の孔部１ａ内に、接合筒２の
底板７に設けられた突起部６が入り込み、この突起部６
によって接合棒１のスリット４が形成された両端部分が
外周側へ押し広げられ、その外周面が接合筒２の、底部
方向へ向かって拡径されかつ鋸歯形状に形成された係合
部１１に押し付けられ、この係合部１１の鋸歯が接合棒
１の外周面に食い込み、接合棒１が接合筒２に確実に係
合される。そして、このように接合棒１が接合筒２に係
合されると、この係合力によってそれぞれのセグメント
３同士が確実に接合された状態となる。When the segments 3 having the joining cylinder 2 are joined by the joining rod 1, one end of the joining rod 1 is inserted into the joining barrel 2 of one of the segments 3 and the inserted joining is performed. The segments 3 are brought close to each other so that the other end of the rod 1 is inserted into the joining pipe 2 of the other segment 3, and both ends of the joining rod 1 are inserted into the joining pipes 2 of the respective segments 3. From this state,
Further, the segments 3 are brought close to each other, and the joint surfaces 3a of the segments 3 are brought into contact so that the concave portions 15 and the convex portions 16 of the respective segments 3 fit into each other. By doing so, as shown in FIG. 4, the protrusions 6 provided on the bottom plate 7 of the joining cylinder 2 enter the holes 1a of the joining rods 1 inserted into the joining cylinders 2 of the respective segments 3, This protrusion 6
Both end portions of the joining rod 1 in which the slits 4 are formed are expanded to the outer peripheral side, and the outer peripheral surface of the joining rod 1 is expanded to the bottom portion of the engaging portion 11 formed in a sawtooth shape. When pressed, the saw teeth of the engaging portion 11 bite into the outer peripheral surface of the joining rod 1, and the joining rod 1 is securely engaged with the joining cylinder 2. Then, when the joining rod 1 is engaged with the joining cylinder 2 in this way, the segments 3 are reliably joined together by this engaging force.
【００１２】以上、説明したように、上記の接合構造に
よれば、接合棒１の両端部を、接合させるセグメント３
にそれぞれ設けられた接合筒２へそれぞれ挿入させなが
ら、セグメント３同士を近接させてその接合面３ａ同士
を当接させることにより、極めて容易に、接合筒２内に
て接合棒１のそれぞれの端部を外周へ押し広げて、底部
へ向かって拡径されたテーパ状の内周面を有する接合筒
２の係合部１１に係合させ、その係合力によってセグメ
ント３同士を接合させることができる。As described above, according to the above joining structure, the segments 3 for joining both ends of the joining rod 1 are joined.
By inserting the segments 3 close to each other and bringing the joint surfaces 3a into contact with each other while inserting the segments into the joint cylinders 2 respectively provided in the joint cylinders 2, each end of the joint rod 1 in the joint cylinder 2 can be extremely easily performed. It is possible to push the portion to the outer periphery, engage the engaging portion 11 of the joining cylinder 2 having the tapered inner circumferential surface whose diameter is expanded toward the bottom, and join the segments 3 to each other by the engaging force. .
【００１３】これにより、ボルトを継手の接合面に形成
された孔部へ挿通させてナットを締結させていた従来構
造と比較して、その接合作業にかかる労力を大幅に低減
させることができるとともにロボットによる自動組み立
ての容易化を図ることができる。また、接合筒２の係合
部１１とされた内周面に、軟鋼からなる接合棒１の外周
面に食い込む鋸歯が設けられているので、極めて大きな
係合力を得ることができる。また、接合筒２の内縁部及
び接合筒２の周囲には、接合棒１の挿入方向へ向かって
窄まるテーパ部１２、１３が形成されているととも接合
筒２の先端部近傍の内周面と挿入される接合棒１の外周
面との間に僅かなクリアランスが設けられているので、
接合棒１を接合筒２へ容易に挿入することができる。即
ち、接合筒２への接合棒１の挿入作業の容易化を図るこ
とができ、接合作業の高効率化を図ることができる。ま
た、接合棒１が嵌合される接合筒２がセグメント３に設
けられたものであるので、例えば、一方に接合棒１を埋
め込んだものと比較してセグメント３の方向性がなく、
特に、図５に示すように、台形セグメントに上記接合構
造を用いた場合、セグメントの共通化及びそのセグメン
トを成形する型枠の共通化を図ることができるととも
に、組み立て作業の高効率化を図ることができる。ま
た、接合棒１がそれぞれ接合させるセグメントの接合筒
２へ挿入されれば、これらセグメント３同士を接合させ
ることが可能であるので、互いに接合するセグメント３
の接合筒２の軸心同士が多少ずれていたとしても、確実
な接合状態を得ることができる。With this, compared with the conventional structure in which the bolt is inserted into the hole formed in the joint surface of the joint to fasten the nut, the labor required for the joint work can be significantly reduced. It is possible to facilitate automatic assembly by a robot. Further, since the inner peripheral surface serving as the engaging portion 11 of the joining cylinder 2 is provided with the sawteeth which bite into the outer peripheral surface of the joining rod 1 made of mild steel, an extremely large engaging force can be obtained. Further, tapered portions 12 and 13 that narrow toward the insertion direction of the joining rod 1 are formed around the inner edge portion of the joining tube 2 and the inner circumference of the tip end of the joining tube 2. Since a slight clearance is provided between the surface and the outer peripheral surface of the joining rod 1 to be inserted,
The joining rod 1 can be easily inserted into the joining cylinder 2. That is, the work of inserting the joining rod 1 into the joining cylinder 2 can be facilitated, and the efficiency of the joining work can be improved. Further, since the joining cylinder 2 into which the joining rod 1 is fitted is provided in the segment 3, for example, there is no directionality of the segment 3 as compared with one in which the joining rod 1 is embedded,
In particular, as shown in FIG. 5, when the above-mentioned joining structure is used for the trapezoidal segment, it is possible to make the segments common and the molds for molding the segments common, and to improve the efficiency of the assembly work. be able to. Further, if the joining rods 1 are inserted into the joining cylinders 2 of the segments to be joined, these segments 3 can be joined to each other, and thus the segments 3 to be joined to each other.
Even if the axes of the joining cylinder 2 are slightly deviated from each other, a reliable joining state can be obtained.
【００１４】なお、上記接合構造では、セグメント３の
一方の接合面３ａに凹部１５及び凸部１６を形成してセ
グメント３の方向性をなくしたが、図６に示すように、
一方の接合面３ａ側に凹部１５を形成し、他方の接合面
３ａに凸部１６を形成しても良い。また、上記接合構造
では、接合筒２の内周面のみを鋸歯状に形成したが、接
合棒１の外周面のみあるいは接合棒１の外周面及び接合
筒２の内周面の両方を鋸歯状に形成しても良い。図７に
示すものは、接合棒１の外周面に螺旋状の突条を形成す
ることにより、鋸歯を設けたものであり、このように外
周側に鋸歯状を形成する構造によれば、加工の容易化を
図ることができる。また、この接合棒１は、その中央部
分が中実構造とされてせん断抵抗が高められている。In the above joining structure, the concave portion 15 and the convex portion 16 are formed on the one joining surface 3a of the segment 3 to eliminate the directivity of the segment 3. However, as shown in FIG.
The concave portion 15 may be formed on the one joint surface 3a side and the convex portion 16 may be formed on the other joint surface 3a. Further, in the above joining structure, only the inner peripheral surface of the joining cylinder 2 is formed in a sawtooth shape, but only the outer peripheral surface of the joining rod 1 or both the outer peripheral surface of the joining rod 1 and the inner peripheral surface of the joining cylinder 2 are formed in a sawtooth shape. It may be formed in. FIG. 7 shows a structure in which a saw tooth is provided by forming a spiral projection on the outer peripheral surface of the joining rod 1, and according to the structure in which the saw tooth shape is formed on the outer peripheral side as described above, Can be facilitated. Further, this joining rod 1 has a solid structure at its central portion to enhance shear resistance.
【００１５】また、図８に示すように、接合棒１の係合
部１１を拡径させる台形錐状に形成された突起部６を、
接合棒１の孔部１ａへ予め嵌め込んでおき、この突起部
６が嵌め込まれた接合棒１を互いに接合するセグメント
３の接合筒２へ挿入しても良い。このように、接合棒１
側に突起部６を取り付けた構造によれば、接合棒１の孔
部１ａを保護することができるとともに、接合筒２の製
造性を向上させることができる。また、この接合棒１に
よってセグメント３同士を接合させるには、図９に示す
ように、組み付けるセグメント３の接合筒２へ予め接合
棒１を挿入しておき、このセグメント３から突出された
接合棒１を、既に組み付けられたセグメント３の接合筒
２へ挿入させながら互いに当接すれば良い。なお、この
場合、予め取り付けておく突起部６の挿入方向前方側を
テーパ状に形成しておくことにより、接合筒２への挿入
の容易化を図ることができる。なお、接合棒１に形成す
るスリット４の数量は、上記のものに限定されることな
く、例えば、図１０に示すように２つあるいは３つのス
リット４を形成しても良い。Further, as shown in FIG. 8, a protrusion 6 formed in a trapezoidal cone shape for expanding the diameter of the engaging portion 11 of the joining rod 1,
It is also possible that the joining rod 1 is fitted in the hole 1a of the joining rod 1 in advance and then the joining rod 1 fitted with the protrusion 6 is inserted into the joining cylinder 2 of the segment 3 that joins with each other. In this way, the joining rod 1
According to the structure in which the protrusion 6 is attached to the side, the hole 1a of the joining rod 1 can be protected and the productivity of the joining cylinder 2 can be improved. Further, in order to join the segments 3 to each other by the joining rod 1, as shown in FIG. 9, the joining rod 1 is previously inserted into the joining cylinder 2 of the segment 3 to be assembled, and the joining rod projected from the segment 3 is joined. It suffices to contact each other while inserting 1 into the joining cylinder 2 of the already assembled segment 3. In this case, it is possible to facilitate the insertion into the joining cylinder 2 by forming the projection 6 to be attached in advance in a tapered shape on the front side in the insertion direction. The number of slits 4 formed in the joining rod 1 is not limited to the above number, and for example, two or three slits 4 may be formed as shown in FIG.
【００１６】さらに、図１１及び図１２に示すものは、
図１３に示すように、筒状に形成された接合棒１の中間
部に、両端部のスリット４に対して図１４に示すように
周方向へ位置をずらしてスリット４ａを形成し、さら
に、接合棒１の中間部を内面側に肉厚とした肉厚部１ｂ
を形成したものであり、この接合棒１に予め取り付けら
れる突起部６として、接合棒１の内部へ延在させたもの
を用いたものである。また、この突起部６の接合棒１の
内部へ延在された部分には、後端側へ向かって次第に拡
径するテーパ部６ａが形成されており、また、これら突
起部６のそれぞれの先端部には、接合時に互いに凹凸嵌
合する凹部２１及び凸部２２が形成されている。そし
て、上記形状の突起部６が予め両端部に取り付けられた
接合棒１の両端部をそれぞれ接合筒２へ挿入して、それ
ぞれのセグメント３同士を互いの接合面３ａ同士が当接
するように近接させると、接合棒１の肉厚部１ｂが、突
起部６のテーパ部６ａによって外周方向へ押し広げられ
るとともに、接合棒１の中間部に形成されたスリット４
ａが広がることにより、接合棒１の中間部が拡径して、
接合筒２の孔部５の内周面に密着し、接合棒１と接合筒
２とが、がたつきなく確実に接合される。また、このと
き、突起部６に形成された凹部２１及び凸部２２が嵌合
して連結されることにより、大きなせん断抵抗が得られ
る。Further, the one shown in FIGS. 11 and 12 is
As shown in FIG. 13, a slit 4a is formed in the middle portion of the joining rod 1 formed in a tubular shape by shifting the position in the circumferential direction with respect to the slits 4 at both ends as shown in FIG. A thick portion 1b in which the middle portion of the joining rod 1 has a thick inner surface
The protrusion 6 that is attached to the joining rod 1 in advance is formed by extending the inside of the joining rod 1. In addition, a tapered portion 6a that gradually expands in diameter toward the rear end side is formed in a portion of the protrusion 6 that extends inside the joining rod 1, and the tip of each of the protrusions 6 is formed. A concave portion 21 and a convex portion 22 are formed on the portion so as to fit into each other at the time of joining. Then, the projecting portions 6 having the above-described shapes are inserted into the joining cylinders 2 at both ends of the joining rod 1 having both ends attached in advance, and the segments 3 are brought close to each other so that the joining surfaces 3a come into contact with each other. Then, the thick portion 1b of the joining rod 1 is pushed outward by the tapered portion 6a of the protrusion 6 and the slit 4 formed in the middle portion of the joining rod 1
By expanding a, the diameter of the intermediate portion of the joining rod 1 increases,
The joining rod 1 and the joining rod 2 are brought into close contact with the inner peripheral surface of the hole 5 of the joining barrel 2, and the joining rod 1 and the joining barrel 2 are securely joined together without rattling. Further, at this time, a large shear resistance is obtained by fitting and connecting the concave portion 21 and the convex portion 22 formed on the protruding portion 6.
【００１７】[0017]
【発明の効果】以上、説明したように、本発明の接合構
造によれば、下記の効果を得ることができる。請求項１
記載の接合構造によれば、互いに接合させる部材に設け
られた接合筒へ、接合棒の両端部を挿入させながら、部
材の接合面同士を近接させることにより、極めて容易に
接合棒を押し広げて接合筒へ係合させ、この係合力によ
ってそれぞれの部材同士を接合させることができる。こ
れにより、ボルトを継手の接合面に形成された孔部へ挿
通させてナットを締結させていた従来構造と比較して、
その接合作業にかかる労力を大幅に低減させることがで
きるとともにロボットによる自動組み立ての容易化を図
ることができる。As described above, according to the joining structure of the present invention, the following effects can be obtained. Claim 1
According to the joining structure described above, the joining rods are very easily pushed apart by bringing the joining surfaces of the members close to each other while inserting both ends of the joining rod into the joining cylinder provided in the members to be joined together. It is possible to engage the joining cylinder and join the respective members by this engaging force. As a result, compared with the conventional structure in which the bolt is inserted into the hole formed in the joint surface of the joint and the nut is fastened,
The labor required for the joining work can be significantly reduced, and the automatic assembly by the robot can be facilitated.
【００１８】請求項２記載の接合構造によれば、接合筒
へ接合棒を嵌合させることにより、接合筒の係合部にお
ける内周面及び接合棒の両端近傍における外周面にそれ
ぞれ形成された鋸歯が互いに係合することにより、大き
な係合力によってそれぞれの部材同士が接合される。請
求項３記載の接合構造によれば、接合筒へ接合棒を嵌合
させることにより、接合筒の係合部における内周面ある
いは接合棒の両端近傍における外周面のいずれかに形成
された鋸歯によって接合筒と接合棒との係合力が向上さ
れ、大きな係合力によってそれぞれの部材同士が接合さ
れる。請求項４記載の接合構造によれば、軟質材料から
形成された接合棒あるいは接合筒へ、鋸歯が食い込むこ
とにより、さらに大きな係合力によってそれぞれの部材
同士が接合される。請求項５記載の接合構造によれば、
接合時に、接合棒の中間部に形成されたスリットが広が
ることにより、接合棒の中間部が拡径して、接合筒の内
周面に密着し、接合棒と接合筒とが、がたつきなく確実
に接合される。請求項６記載の接合構造によれば、接合
筒へ接合棒を挿入する際に、接合棒がテーパ部によって
接合筒内に極めて容易に案内されて挿入されるので、接
合作業の容易化を図ることができる。請求項７記載の接
合構造によれば、接合筒へ接合棒を嵌合させてそれぞれ
の部材同士を接合させることにより、それぞれの部材の
接合面に形成された凹部と凸部とが互いに嵌合して、そ
れぞれの部材が、接合方向と交差する方向へ位置決めさ
れるとともにずれが防止される。According to the joint structure of the second aspect, by fitting the joint rod into the joint cylinder, it is formed on the inner peripheral surface of the engaging portion of the joint cylinder and the outer peripheral surface near both ends of the joint rod. When the saw teeth are engaged with each other, the respective members are joined together with a large engaging force. According to the joining structure of claim 3, by fitting the joining rod into the joining cylinder, the sawteeth are formed on either the inner peripheral surface of the engaging portion of the joining cylinder or the outer peripheral surface near both ends of the joining rod. Thus, the engagement force between the joining cylinder and the joining rod is improved, and the respective members are joined together by the large engagement force. According to the joining structure described in claim 4, the saw teeth bite into the joining rod or the joining cylinder made of the soft material, so that the respective members are joined by a larger engaging force. According to the joint structure of claim 5,
At the time of joining, the slit formed in the middle part of the joining rod expands, the diameter of the middle part of the joining rod expands, and it adheres to the inner peripheral surface of the joining cylinder, and the joining rod and the joining cylinder rattle. It is surely joined. According to the joining structure of claim 6, when the joining rod is inserted into the joining cylinder, the joining rod is guided and inserted into the joining cylinder very easily by the tapered portion, so that the joining work is facilitated. be able to. According to the joining structure of claim 7, the joining rod is fitted into the joining cylinder to join the respective members to each other, so that the concave portion and the convex portion formed on the joint surface of the respective members are fitted to each other. Then, the respective members are positioned in the direction intersecting the joining direction and the displacement is prevented.
【図１】本発明の実施の形態の接合構造を説明する接合
されるセグメントの接合箇所の断面図である。FIG. 1 is a cross-sectional view of a joining portion of a segment to be joined for explaining a joining structure according to an embodiment of the present invention.
【図２】本発明の実施の形態の接合構造に用いられる接
合棒の形状を説明する接合棒の斜視図である。FIG. 2 is a perspective view of the joining rod for explaining the shape of the joining rod used in the joining structure according to the embodiment of the present invention.
【図３】本発明の実施の形態の接合構造によって接合さ
れるセグメントの形状を説明するセグメントの斜視図で
ある。FIG. 3 is a perspective view of a segment explaining the shape of the segment joined by the joining structure according to the embodiment of the present invention.
【図４】本発明の実施の形態の接合構造を説明するセグ
メントの接合箇所の断面図である。FIG. 4 is a cross-sectional view of a joining portion of a segment for explaining the joining structure according to the embodiment of the present invention.
【図５】本発明の実施の形態の接合構造を採用した台形
セグメントの概略平面図である。FIG. 5 is a schematic plan view of a trapezoidal segment adopting the joining structure according to the embodiment of the present invention.
【図６】本発明の実施の形態の接合構造によって接合さ
れる他のセグメントの形状を説明するセグメントの斜視
図である。FIG. 6 is a perspective view of a segment explaining the shape of another segment joined by the joining structure according to the embodiment of the present invention.
【図７】本発明の他の実施の形態の接合構造を説明する
セグメントの接合箇所の断面図である。FIG. 7 is a cross-sectional view of a joining portion of a segment for explaining a joining structure according to another embodiment of the present invention.
【図８】本発明の他の実施の形態の接合構造に用いられ
る接合棒の形状を説明する接合棒の斜視図である。FIG. 8 is a perspective view of a joining rod for explaining the shape of the joining rod used in the joining structure according to another embodiment of the present invention.
【図９】本発明の他の実施の形態の接合構造を説明する
セグメントの接合箇所の断面図である。FIG. 9 is a cross-sectional view of a joining portion of a segment for explaining a joining structure according to another embodiment of the present invention.
【図１０】本発明の実施の形態の接合構造に用いられる
接合棒の他の形状を説明する接合棒の正面図である。FIG. 10 is a front view of a joining rod for explaining another shape of the joining rod used in the joining structure according to the embodiment of the present invention.
【図１１】本発明の他の実施の形態の接合構造を説明す
るセグメントの接合箇所の断面図である。FIG. 11 is a cross-sectional view of a joining portion of a segment for explaining a joining structure according to another embodiment of the present invention.
【図１２】本発明の他の実施の形態の接合構造を説明す
るセグメントの接合箇所の断面図である。FIG. 12 is a sectional view of a joining portion of a segment for explaining a joining structure according to another embodiment of the present invention.
【図１３】本発明の実施の形態の接合構造に用いられる
接合棒の形状を説明する接合棒の側面図である。FIG. 13 is a side view of the joining rod for explaining the shape of the joining rod used in the joining structure according to the embodiment of the present invention.
【図１４】本発明の他の実施の形態の接合構造に用いら
れる接合棒の形状を説明するそれぞれ接合棒の断面図で
ある。FIG. 14 is a cross-sectional view of each joining rod for explaining the shape of the joining rod used in the joining structure according to another embodiment of the present invention.
１ 接合棒 １ａ 孔部 ２ 接合筒 ３ セグメント（部材） ３ａ 接合面 ４、４ａ スリット ６ 突起部 １１ 係合部 １２ テーパ部 １５ 凹部 １６ 凸部 DESCRIPTION OF SYMBOLS 1 joining rod 1a hole part 2 joining cylinder 3 segment (member) 3a joining surface 4, 4a slit 6 protrusion part 11 engaging part 12 taper part 15 concave part 16 convex part
───────────────────────────────────────────────────── フロントページの続き (72)発明者 安本 匡剛 東京都中央区京橋１−７−１ 戸田建設株 式会社内 (72)発明者 浅井 康彦 東京都中央区京橋１−７−１ 戸田建設株 式会社内 (72)発明者 矢野 功二 東京都中央区京橋１−７−１ 戸田建設株 式会社内 (72)発明者 奥村 利博 東京都中央区京橋１−７−１ 戸田建設株 式会社内 (72)発明者 宮内 政男 東京都中央区京橋１−７−１ 戸田建設株 式会社内 (72)発明者 多田 幸司 東京都中央区京橋１−７−１ 戸田建設株 式会社内 (72)発明者 請川 誠 東京都中央区京橋１−７−１ 戸田建設株 式会社内 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Masayoshi Yasumoto 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72) Inventor Yasuhiko Asai 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction company (72) Inventor Koji Yano 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72) Inventor Toshihiro Okumura 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction ceremony Company (72) Inventor Masao Miyauchi 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72) Inventor Koji Tada 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72 ) Inventor Makoto Juchagawa Toda Construction Co., Ltd. 1-7-1 Kyobashi, Chuo-ku, Tokyo
Claims (7)
態で接合する接合構造であって、 前記各部材に設けられた接合筒と、これら接合筒に両端
部がそれぞれ嵌合されて固定される接合棒とによって接
合されてなり、 該接合棒は、中心に孔部を有する筒状に形成され、かつ
その両端部近傍に、軸方向へ沿う複数のスリットが周方
向へ間隔をあけて形成され、 前記接合筒は、その内周面が、底部方向へ向かって次第
に拡径したテーパ状に形成された係合部とされてなり、 前記接合棒の端部と前記接合筒の底部との間には、接合
筒の底部方向へ向かって次第に拡径したテーパ状に形成
され、挿入される前記接合棒の孔部に嵌合することによ
り、この接合棒を外周方向へ押し広げて前記接合筒の係
合部へ押し付ける突起部が設けられていることを特徴と
する接合構造。1. A joining structure for joining members together with their joining surfaces aligned with each other, wherein joining cylinders provided on the respective members and both ends of these joining cylinders are fitted and fixed, respectively. The joining rod is formed into a tubular shape having a hole in the center, and a plurality of slits along the axial direction are formed at intervals in the circumferential direction in the vicinity of both ends of the joining rod. The joining cylinder is formed so that the inner peripheral surface thereof is an engaging portion formed in a tapered shape whose diameter gradually increases toward the bottom, and the end of the joining rod and the bottom of the joining cylinder are formed. Is formed in a taper shape in which the diameter is gradually increased toward the bottom of the joining cylinder, and the fitting rod is expanded in the outer circumferential direction by fitting into the hole of the joining rod to be inserted. Make sure that there is a protrusion that presses against the engaging part of the joining cylinder. Joint structure and symptoms.
前記接合棒の両端近傍における外周面の両方に、軸方向
へ凹凸形状とされた鋸歯が形成されていることを特徴と
する請求項１記載の接合構造。2. A saw tooth having an uneven shape in the axial direction is formed on both the inner peripheral surface of the engaging portion of the joining cylinder and the outer peripheral surface of the joining rod near both ends thereof. Item 1. The joint structure according to item 1.
前記接合棒の両端近傍における外周面のいずれか一方
に、軸方向へ凹凸形状とされた鋸歯が形成されているこ
とを特徴とする請求項１記載の接合構造。3. A saw tooth having an uneven shape in the axial direction is formed on one of an inner peripheral surface of the engaging portion of the joining cylinder and an outer peripheral surface of the joining rod near both ends thereof. The joining structure according to claim 1.
るいは前記接合棒が軟質材料から形成されていることを
特徴とする請求項３記載の接合構造。4. The joining structure according to claim 3, wherein the joining cylinder or the joining rod against which the saw teeth are pressed is made of a soft material.
間隔をあけてスリットが形成されていることを特徴とす
る請求項１〜４のいずれか１項記載の接合構造。5. The joining structure according to any one of claims 1 to 4, wherein the joining rod is formed with slits at an intermediate portion thereof at intervals in the circumferential direction.
記接合棒の挿入方向へ向かって次第に窄まるテーパ部が
形成されていることを特徴とする請求項１〜５のいずれ
か１項記載の接合構造。6. The joining cylinder is formed with a taper portion at an inner edge portion of a front end thereof which gradually narrows in an inserting direction of the joining rod. The joint structure according to the item.
いに嵌合する凹部及び凸部が形成されていることを特徴
とする請求項１〜６のいずれか１項記載の接合構造。7. The joint structure according to claim 1, wherein a concave portion and a convex portion that are fitted to each other are formed on the joint surface of the members to be joined to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7344090A JPH09184397A (en) | 1995-12-28 | 1995-12-28 | Joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7344090A JPH09184397A (en) | 1995-12-28 | 1995-12-28 | Joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09184397A true JPH09184397A (en) | 1997-07-15 |
Family
ID=18366581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7344090A Pending JPH09184397A (en) | 1995-12-28 | 1995-12-28 | Joint structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09184397A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001159298A (en) * | 1999-12-01 | 2001-06-12 | Toda Constr Co Ltd | Joining structure |
| JP2001262981A (en) * | 2000-03-21 | 2001-09-26 | Yamax Corp | Coupling method and coupling device for concrete attachment |
| JP2003262092A (en) * | 2002-03-11 | 2003-09-19 | Ishikawajima Constr Materials Co Ltd | Joint of segment |
| JP2007270485A (en) * | 2006-03-31 | 2007-10-18 | Ishikawajima Constr Materials Co Ltd | Composite segment |
| JP2016098490A (en) * | 2014-11-18 | 2016-05-30 | 株式会社ピーエス三菱 | Construction method for concrete floor slab of overpass |
| US11746585B2 (en) | 2018-07-05 | 2023-09-05 | Bunka Shutter Co., Ltd. | Connection member for construction materials, connecting fitting therefor, connecting structure therefor, and connecting method therefor |
| US11746586B2 (en) | 2019-04-05 | 2023-09-05 | Bunka Shutter Co., Ltd. | Connecting device for construction materials, connecting structure therefor, and connecting method therefor |
-
1995
- 1995-12-28 JP JP7344090A patent/JPH09184397A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001159298A (en) * | 1999-12-01 | 2001-06-12 | Toda Constr Co Ltd | Joining structure |
| JP2001262981A (en) * | 2000-03-21 | 2001-09-26 | Yamax Corp | Coupling method and coupling device for concrete attachment |
| JP2003262092A (en) * | 2002-03-11 | 2003-09-19 | Ishikawajima Constr Materials Co Ltd | Joint of segment |
| JP2007270485A (en) * | 2006-03-31 | 2007-10-18 | Ishikawajima Constr Materials Co Ltd | Composite segment |
| JP2016098490A (en) * | 2014-11-18 | 2016-05-30 | 株式会社ピーエス三菱 | Construction method for concrete floor slab of overpass |
| US11746585B2 (en) | 2018-07-05 | 2023-09-05 | Bunka Shutter Co., Ltd. | Connection member for construction materials, connecting fitting therefor, connecting structure therefor, and connecting method therefor |
| US11746586B2 (en) | 2019-04-05 | 2023-09-05 | Bunka Shutter Co., Ltd. | Connecting device for construction materials, connecting structure therefor, and connecting method therefor |
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