JPH08403Y2 - Truss joint structure - Google Patents
Truss joint structureInfo
- Publication number
- JPH08403Y2 JPH08403Y2 JP1991064376U JP6437691U JPH08403Y2 JP H08403 Y2 JPH08403 Y2 JP H08403Y2 JP 1991064376 U JP1991064376 U JP 1991064376U JP 6437691 U JP6437691 U JP 6437691U JP H08403 Y2 JPH08403 Y2 JP H08403Y2
- Authority
- JP
- Japan
- Prior art keywords
- bolt
- sleeve
- shaft
- inter
- tip
- 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.)
- Expired - Lifetime
Links
Landscapes
- Joining Of Building Structures In Genera (AREA)
Description
【0001】[0001]
【産業上の利用分野】この考案は、立体トラス等におい
て鋼管等からなる軸部材の相互の接合を行うトラスの接
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 joint structure of a truss for joining shaft members such as steel pipes to each other in a space truss or the like.
【0002】[0002]
【従来の技術】従来、駐車場や工場,集会場等の建造物
において、屋根の骨組みとなる立体トラスを、パイプ製
の軸部材と、これら軸部材を相互に接合する球状の軸間
接合体とで構成したものがある。図6はその接合部の構
造の具体例を示す。軸間接合体51は球状に形成されて、
各方向の軸部材52を接合する複数のねじ孔53が設けてあ
る。軸部材52は鋼管からなり、端部に溶接したパイプエ
ンド54に、ボルト56を挿通するアンカースリーブ55が螺
着してある。ボルト56は、軸部の中間にスプライン56a
を設け、スプライン56aに噛み合う内部形状のボルト締
めスリーブ57を外周に被せてある。アンカースリーブ55
の後部には、ばね止め59に支持されたばね部材58が組み
込んである。2. Description of the Related Art Conventionally, in a building such as a parking lot, a factory, a meeting place, etc., a three-dimensional truss, which is a frame of a roof, is provided with a pipe shaft member and a spherical inter-shaft joint body for mutually connecting the shaft members. There is one composed of. FIG. 6 shows a specific example of the structure of the joint. The inter-axis joint body 51 is formed in a spherical shape,
A plurality of screw holes 53 for joining the shaft members 52 in each direction are provided. The shaft member 52 is made of a steel pipe, and an anchor sleeve 55 into which a bolt 56 is inserted is screwed to a pipe end 54 welded to the end portion. The bolt 56 has a spline 56a in the middle of the shaft.
And a bolt-tightening sleeve 57 having an internal shape that meshes with the spline 56a is covered on the outer circumference. Anchor sleeve 55
In the rear part, a spring member 58 supported by a spring stopper 59 is incorporated.
【0003】接合作業は次のように行われる。まず、ボ
ルト56をばね部材58に抗して押し込めた状態で、ボルト
締めスリーブ57と軸間接合体51のねじ孔53とを整合させ
る。この状態でボルト締めスリーブ57を回転させると、
スプライン56aにおける係合のためにボルト56が回転す
る。ボルト56は、ばね部材58で推進力が与えられている
ため、前記の回転によりねじ孔53の入口部に噛み込み、
ボルト締めスリーブ57の回転を続けることにより締めつ
けられる。このようにして、軸部材52と軸間接合体51と
の接合が行われる。The joining work is performed as follows. First, with the bolt 56 pressed against the spring member 58, the bolting sleeve 57 and the screw hole 53 of the inter-shaft joint 51 are aligned. When the bolt tightening sleeve 57 is rotated in this state,
The bolt 56 rotates due to the engagement at the spline 56a. Since the bolt 56 is given a propulsive force by the spring member 58, the bolt 56 is bitten in the inlet portion of the screw hole 53 by the above rotation,
It is tightened by continuing the rotation of the bolt tightening sleeve 57. In this way, the shaft member 52 and the inter-shaft joined body 51 are joined.
【0004】[0004]
【考案が解決しようとする課題】しかし、図6の構成に
よると、ボルト56を挿通するアンカースリーブ55の後部
に、ボルト56を突出付勢するばね部材58を組み込んでい
るため、このスリーブ後部にばね止め59が必要になり、
ばね機構が大形化し複雑になるという問題点がある。ま
た、ボルト締めスリーブ57がボルト56に対して挿脱自在
となっているため、接合作業時にボルト締めスリーブ57
がボルト56から抜け落ちることがあり、作業の安全性や
効率化を損なうという問題点もある。However, according to the configuration of FIG. 6, since the spring member 58 for biasing the bolt 56 to project is incorporated in the rear portion of the anchor sleeve 55 through which the bolt 56 is inserted, the rear portion of this sleeve is incorporated. Spring stop 59 is needed,
There is a problem that the spring mechanism becomes large and complicated. Also, since the bolt tightening sleeve 57 can be freely inserted into and removed from the bolt 56, the bolt tightening sleeve 57 can be attached during joining work.
May fall out from the bolt 56, which impairs work safety and efficiency.
【0005】この考案は、ばね機構を小形,簡略化で
き、ボルトからのボルト締めスリーブの抜け落ちを防止
できるトラスの接合構造を提供することである。An object of the present invention is to provide a truss joint structure in which the spring mechanism can be made small and simple, and the bolting sleeve can be prevented from falling out of the bolt.
【0006】[0006]
【課題を解決するための手段】この考案は、軸部材接合
用のねじ孔を有する軸間接合体と、軸部材とを接合する
トラスの接合構造において、次の構成としたものであ
る。軸部材の端部にはボルト挿通孔を有するエンド部材
を設ける。このエンド部材のボルト挿通孔に挿通されて
軸部中間に非円形断面部を有する頭付きのボルトを設け
る。このボルトに、両端が前記エンド部材と前記軸間接
合体とに当接し内面が前記非円形断面部に回転伝達可能
に係合するボルト締めスリーブを被せる。このボルト締
めスリーブには、その先端に一部が連結されて前記ボル
トを突出付勢するばね部材を設ける。ばね部材は円錐台
状のコイルばねとし、ボルト締めスリーブ内に装着固定
した内スリーブを介してボルト締めスリーブに連結す
る。この場合に、ばね部材は、その大径端を内スリーブ
に溶接等で固着し、小径端をボルトのねじ溝に係合させ
る。 This invention has the following structure in a truss joint structure for joining an inter-shaft joint having a screw hole for joining a shaft member and a shaft member. An end member having a bolt insertion hole is provided at the end of the shaft member. A headed bolt having a non-circular cross section is provided in the middle of the shaft portion by being inserted into the bolt insertion hole of the end member. The bolt is covered with a bolting sleeve whose both ends are in contact with the end member and the inter-shaft joint body, and whose inner surface engages with the non-circular cross-section in a rotationally transmittable manner. The bolting sleeve is provided with a spring member, a part of which is connected to the tip of the bolting sleeve to urge the bolt to project. The spring member is a truncated cone
-Shaped coil spring mounted and fixed in the bolting sleeve
Connected to the bolting sleeve via the inner sleeve
It In this case, the spring member is
To the thread groove of the bolt by fixing it to the
It
【0007】[0007]
【作用】ばね部材の付勢力によりボルト締めスリーブよ
り突出したボルトの先端を軸間接合体のねじ孔部分に当
て、ばね部材の付勢力でボルト先端が軸間接合体のねじ
孔に押し付けられた状態とする。この状態で、ボルト締
めスリーブを所定方向に回転させると、前記ボルトは、
ボルト締めスリーブと共に回転しながらボルト締めスリ
ーブから突出し、軸間接合体のねじ孔にねじ込まれる。
前記接合作業の前の組立工程では、内スリーブに大径端
が固着されたばね部材の小径端を、内スリーブの回転に
よってボルトにねじ込み、その後、内スリーブをボルト
締めスリーブに固定する。 With the biasing force of the spring member, the tip of the bolt protruding from the bolt tightening sleeve is brought into contact with the screw hole portion of the inter-shaft joint, and the biasing force of the spring member pushes the bolt tip into the screw hole of the inter-shaft joint. To do. In this state, when the bolt tightening sleeve is rotated in a predetermined direction, the bolt is
While rotating with the bolt tightening sleeve, it projects from the bolt tightening sleeve and is screwed into the screw hole of the inter-shaft joint.
In the assembly process before the joining work, the large diameter end is
The small diameter end of the spring member to which
So screw it onto the bolt and then screw the inner sleeve
Secure to the tightening sleeve.
【0008】[0008]
【実施例】この考案の一実施例を図1ないし図5に基づ
いて説明する。図4(A)〜(C)は、各々このトラス
の接合構造を適用した立体トラスの平面図、側面図およ
び正面図である。各軸部材1は、四面体の稜線に位置す
るように配置され、各四面体の角部において、軸間接合
体2で相互に接合される。図5に示すように、軸間接合
体2は球状に形成され、各方向の軸部材1を接合する複
数のねじ孔3が設けてある。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described with reference to FIGS. 4A to 4C are a plan view, a side view, and a front view of a space truss to which the joint structure of the truss is applied, respectively. Each shaft member 1 is arranged so as to be located on the ridgeline of the tetrahedron, and is joined to each other by the inter-axis joint 2 at the corners of each tetrahedron. As shown in FIG. 5, the inter-shaft joint body 2 is formed in a spherical shape and is provided with a plurality of screw holes 3 for joining the shaft members 1 in each direction.
【0009】図1は軸部材1と軸間接合体2との接合構
造を示す。軸部材1は鋼管からなり、エンド部材4が端
部に溶接してある。エンド部材4は、軸部材1の端部に
溶接されるパイプエンド4aと、これに螺着されるアン
カースリーブ4bとからなり、このアンカースリーブ4
bは、ボルト6を挿通させるボルト挿通孔5を有する。FIG. 1 shows a joint structure of a shaft member 1 and an inter-shaft joint body 2. The shaft member 1 is made of a steel pipe, and the end member 4 is welded to the end portion. The end member 4 includes a pipe end 4a welded to the end of the shaft member 1 and an anchor sleeve 4b screwed to the pipe end 4a.
b has a bolt insertion hole 5 through which the bolt 6 is inserted.
【0010】ボルト6は、拡径した頭部6aを有すると
共に、その頭部6aから軸部の中間にかけてスプライン
等からなる非円形断面部6bを形成したものである。こ
のボルト6の外周には、その非円形断面部6bの形状に
合致した非円形断面内部9aを後半部に有するボルト締
めスリーブ9が被せられる。ボルト締めスリーブ9の外
面は六角形状等に形成されている。The bolt 6 has an enlarged head portion 6a and a non-circular cross-section portion 6b formed of a spline or the like from the head portion 6a to the middle of the shaft portion. The outer circumference of the bolt 6 is covered with a bolting sleeve 9 having a non-circular cross-section inside 9a conforming to the shape of the non-circular cross-section 6b in the rear half. The outer surface of the bolt tightening sleeve 9 is formed in a hexagonal shape or the like.
【0011】ボルト締めスリーブ9内の先端部には内ス
リーブ7を介してばね部材8の一部が連結されている。
すなわち、内スリーブ7内に配置したばね部材8の一端
が内スリーブ7の先端部に溶接等で連結され、この内ス
リーブ7がボルト締めスリーブ9内の前半部に装着固定
される。この場合のばね部材8は円錐台状のコイルばね
からなり、その小径端がボルト6のねじ溝に螺合した状
態で係止させられ、ボルト6をボルト締めスリーブ9か
ら突出する側に付勢する。A part of the spring member 8 is connected to the tip of the bolt tightening sleeve 9 via the inner sleeve 7.
That is, one end of the spring member 8 arranged in the inner sleeve 7 is connected to the tip of the inner sleeve 7 by welding or the like, and the inner sleeve 7 is mounted and fixed to the front half of the bolting sleeve 9. In this case, the spring member 8 is formed of a truncated cone coil spring, and the small diameter end of the spring member 8 is engaged with the thread groove of the bolt 6 so as to be locked, and the bolt 6 is biased to the side projecting from the bolt tightening sleeve 9. To do.
【0012】図3は、軸部材1、エンド部材4、ボルト
6、内スリーブ7およびボルト締めスリーブ9を分解状
態で示した図である。上記構成の接合手順を説明する。
まず、ボルト6をエンド部材4に内側から挿通する。エ
ンド部材4は予め軸部材1に溶接したものである。この
後、ボルト6の先端からボルト締めスリーブ9を挿入
し、その非円形断面内部9aをボルト6の非円形断面部
6bに嵌合させる。FIG. 3 is a view showing the shaft member 1, the end member 4, the bolt 6, the inner sleeve 7 and the bolt tightening sleeve 9 in an exploded state. The joining procedure of the above configuration will be described.
First, the bolt 6 is inserted into the end member 4 from the inside. The end member 4 is previously welded to the shaft member 1. After that, the bolt tightening sleeve 9 is inserted from the tip of the bolt 6, and the inside 9a of the non-circular cross section is fitted to the non-circular cross section 6b of the bolt 6.
【0013】次に、ボルト6の先端側をボルト締めスリ
ーブ9から突出させた状態で、このボルト6のねじ溝に
内スリーブ7内のばね部材8の小径端を螺合状態に係止
する。すなわち、ボルト6の先端部外周に内スリーブ9
を被せた状態のもとで、内スリーブ7を所定方向に回転
させることにより、ボルト6のねじ溝にばね部材8の先
端部を係止させる。Next, with the tip end side of the bolt 6 protruding from the bolt tightening sleeve 9, the small diameter end of the spring member 8 in the inner sleeve 7 is locked in the thread groove of the bolt 6 in a screwed state. That is, the inner sleeve 9 is attached to the outer periphery of the tip of the bolt 6.
The inner sleeve 7 is rotated in a predetermined direction under the condition that the end portion of the spring member 8 is locked in the thread groove of the bolt 6.
【0014】さらに、内スリーブ7をボルト締めスリー
ブ9内の前半部に嵌合させて溶接等によって固定する。
これによって、接合準備が完了する。この状態のもと
で、ボルト6の先端側がボルト締めスリーブ9から充分
に突出する。Further, the inner sleeve 7 is fitted into the front half of the bolt tightening sleeve 9 and fixed by welding or the like.
This completes the bonding preparation. Under this state, the tip end side of the bolt 6 sufficiently projects from the bolt tightening sleeve 9.
【0015】接合に際しては、図2に示すようにボルト
6をばね部材8に抗してボルト締めスリーブ9内に没入
させ、ボルト6の先端を軸間接合体2のねじ孔3に整合
させる。これにより、ボルト6はばね部材8の付勢力に
よって軸間接合体2のねじ孔3に対する初期推進力が得
られる。At the time of joining, as shown in FIG. 2, the bolt 6 is retracted into the bolt tightening sleeve 9 against the spring member 8, and the tip of the bolt 6 is aligned with the screw hole 3 of the inter-shaft joint body 2. As a result, the bolt 6 obtains an initial propulsion force for the screw hole 3 of the inter-shaft joint body 2 by the urging force of the spring member 8.
【0016】この状態のもとで、ボルト締めスリーブ9
を所定の方向に回転させる。これにより、ボルト6がボ
ルト締めスリーブ9と共に回転し、軸間接合体2のねじ
孔3にねじ込まれる。このようにねじ込みを行って、図
1のようにボルト6の頭部6aがエンド部材4の端面に
当接し、ボルト締めスリーブ9がエンド部材4と軸間接
合体2との間で突っ張り状態になるまで締め付けられる
と、接合が完了する。Under this condition, the bolt tightening sleeve 9
Is rotated in a predetermined direction. As a result, the bolt 6 rotates together with the bolt tightening sleeve 9 and is screwed into the screw hole 3 of the inter-shaft joint body 2. By screwing in this way, the head portion 6a of the bolt 6 contacts the end surface of the end member 4 as shown in FIG. 1, and the bolt tightening sleeve 9 is in a tensioned state between the end member 4 and the inter-shaft joint body 2. The joint is completed when tightened up to.
【0017】このトラスの接合構造によると、このよう
にばね部材8がボルト締めスリーブ9内に配置されるの
で、従来例の場合のようにエンド部材4側にばね部材8
を配置するための収容部を形成する必要がなく、ばね機
構が簡略化され、アンカースリーブ4b等の部品が小型化
される。また、ボルト6とボルト締めスリーブ9とはば
ね部材8を介して連結されているので、ボルト6からボ
ルト締めスリーブ9が抜け落ちるということがない。According to this joint structure of the truss, since the spring member 8 is thus arranged in the bolting sleeve 9, the spring member 8 is provided on the end member 4 side as in the case of the conventional example.
It is not necessary to form a housing portion for arranging, the spring mechanism is simplified, and the components such as the anchor sleeve 4b are downsized. Further, since the bolt 6 and the bolt tightening sleeve 9 are connected via the spring member 8, the bolt tightening sleeve 9 does not fall off from the bolt 6.
【0018】なお、前記実施例ではエンド部材4をパイ
プエンド4aとアンカースリーブ4bとで構成したが、
一体の部品としても良い。さらに、ボルト6の非円形断
面部6bは、スプラインに限らず、角軸や楕円軸等で構
成しても良い。Although the end member 4 is composed of the pipe end 4a and the anchor sleeve 4b in the above embodiment,
Also not good as integral part of. Et al is a non-circular cross-sectional portion 6b of the bolt 6 is not limited to the spline, it may be constituted by square shaft or elliptical axis like.
【0019】[0019]
【考案の効果】この考案のトラスの接合構造は、ボルト
締めスリーブの先端にボルトを突出付勢するばね部材の
一部を連結したため、ボルトを軸間接合体側に突出付勢
するばね機構を小形,簡略化できると共に、ボルトから
のボルト締めスリーブの抜け落ちも防止でき、接合作業
の安全性および作業効率を向上させることができるとい
う効果がある。。In the joint structure of the truss of the present invention, a part of the spring member for projecting and biasing the bolt is connected to the tip of the bolt tightening sleeve, so that the spring mechanism for projecting and biasing the bolt toward the inter-shaft joint is small. In addition to being simplified, it is possible to prevent the bolt tightening sleeve from coming off from the bolt, and it is possible to improve the safety and work efficiency of the joining work. .
【図1】この考案の一実施例の接合状態を示す破断側面
図である。FIG. 1 is a cutaway side view showing a joined state of an embodiment of the present invention.
【図2】その接合前の状態を示す破断側面図である。FIG. 2 is a cutaway side view showing a state before joining.
【図3】その分解状態の側面図である。FIG. 3 is a side view of the disassembled state.
【図4】その接合構造を適用したトラスの平面図,側面
図および正面図である。FIG. 4 is a plan view, a side view and a front view of a truss to which the joining structure is applied.
【図5】その部分拡大正面図である。FIG. 5 is a partially enlarged front view of the same.
【図6】従来例の断面図である。FIG. 6 is a sectional view of a conventional example.
1…軸部材、2…軸間接合体、3…ねじ孔、4…エンド
部材、5…ボルト挿通孔、6…ボルト、6a…頭部、6
b…非円形断面部、7…内スリーブ、8…ばね部材、9
…ボルト締めスリーブDESCRIPTION OF SYMBOLS 1 ... Shaft member, 2 ... Inter-axis joint body, 3 ... Screw hole, 4 ... End member, 5 ... Bolt insertion hole, 6 ... Bolt, 6a ... Head part, 6
b ... Non-circular cross section, 7 ... Inner sleeve , 8 ... Spring member, 9
… Bolting sleeve
Claims (1)
体と、軸部材の端部に設けられボルト挿通孔を有するエ
ンド部材と、このエンド部材の前記ボルト挿通孔に挿通
されて軸部中間に被円形断面部を有する頭付きのボルト
と、このボルトに被されて両端が前記エンド部材と前記
軸間接合体とに当接し内面が前記非円形断面部に回転伝
達可能に係合するボルト締めスリーブと、このボルト締
めスリーブ内に先端部から中間部分まで延びて装着固定
された内スリーブと、この内スリーブの先端に大径端が
固着されかつ小径端が前記ボルトのねじ溝に係合して前
記ボルトを突出付勢する円錐台状コイルばねからなるば
ね部材とを備えたトラスの接合構造。1. An inter-shaft joined body having a screw hole for joining a shaft member, an end member provided at an end portion of the shaft member and having a bolt insertion hole, and a shaft portion inserted into the bolt insertion hole of the end member. A headed bolt having a circular cross section in the middle, and a bolt which is covered by the bolt and has both ends abutting the end member and the inter-shaft joint body and an inner surface engageable with the non-circular cross section for rotation transmission. Tightening sleeve and this bolt tightening
Fits inside the sleeve by extending from the tip to the middle part
And the large diameter end at the tip of this inner sleeve
Bonding structure of truss including fixed and fixed member having a cone-shaped coil spring whose small diameter end engages with the thread groove of the bolt and urges the bolt to project. .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1991064376U JPH08403Y2 (en) | 1991-07-17 | 1991-07-17 | Truss joint structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1991064376U JPH08403Y2 (en) | 1991-07-17 | 1991-07-17 | Truss joint structure |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH057805U JPH057805U (en) | 1993-02-02 |
JPH08403Y2 true JPH08403Y2 (en) | 1996-01-10 |
Family
ID=13256524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1991064376U Expired - Lifetime JPH08403Y2 (en) | 1991-07-17 | 1991-07-17 | Truss joint structure |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH08403Y2 (en) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0612084Y2 (en) * | 1987-11-02 | 1994-03-30 | 川鉄建材工業株式会社 | Joining device for structural members |
-
1991
- 1991-07-17 JP JP1991064376U patent/JPH08403Y2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH057805U (en) | 1993-02-02 |
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R250 | Receipt of annual fees |
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EXPY | Cancellation because of completion of term |