JPH0527731B2 - - Google Patents
Info
- Publication number
- JPH0527731B2 JPH0527731B2 JP20077285A JP20077285A JPH0527731B2 JP H0527731 B2 JPH0527731 B2 JP H0527731B2 JP 20077285 A JP20077285 A JP 20077285A JP 20077285 A JP20077285 A JP 20077285A JP H0527731 B2 JPH0527731 B2 JP H0527731B2
- Authority
- JP
- Japan
- Prior art keywords
- sphere
- hole
- bolt
- connecting bolt
- connecting member
- 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
- 239000000463 material Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、立体トラスの球継手に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a ball joint for a space truss.
従来、円形若しくは角形断面のような閉鎖形断
面部材より構成される立体トラスには方向性がな
いことから球継手が広く利用されているが、その
多くは球体と連結部材間を空体内側より連結部材
に連結ボルトを螺合して連結するものや、連結ボ
ルト両端の雄ねじ部を球体および連結部材双方に
螺合して連結するものである。
Conventionally, ball joints have been widely used for space trusses constructed from closed cross-section members such as circular or square cross-sections because they have no directionality. The connection can be made by screwing a connecting bolt into the connecting member, or by screwing the male threaded portions at both ends of the connecting bolt into both the sphere and the connecting member.
〔発明が解決しようとする問題点〕
しかし、このような構成の球継手では前者によ
ると、連結ボルトを球体の内側から取付ける必要
上、球体を大きめの中空に、しかも厚く形成する
必要があることから製作がきわめて面倒なだけで
なく、重量が大幅に嵩むため取扱いが容易でなく
施工性の低下が避けられないという欠点がある。[Problems to be Solved by the Invention] However, according to the former method, in a ball joint having such a configuration, the connecting bolt must be attached from the inside of the sphere, and therefore the sphere must be formed to be larger and thicker. Not only is it extremely troublesome to manufacture, but it also has the disadvantage of being significantly heavy, making it difficult to handle, and resulting in an unavoidable decline in workability.
一方、後者によると、連結ボルトと球体および
連結部材間はいずれもねじ式で連結されているの
で、施工誤差等による連結部材の角度誤差をほと
んど調整できないという欠点があり、各部品の製
作および施工に細心の注意をはらう必要があつ
た。 On the other hand, according to the latter method, the connecting bolt, the sphere, and the connecting member are all connected by a screw type, so there is a drawback that it is almost impossible to adjust the angular error of the connecting member due to construction errors. It was necessary to pay close attention to.
この発明は、前記従来の問題点を解消するため
に提案されたもので、施工性の向上および経済性
が図れる立体トラス球継手を提供することを目的
とする。 This invention was proposed in order to solve the above-mentioned conventional problems, and aims to provide a three-dimensional truss ball joint that can improve workability and be economical.
この発明は、球体にその中心方向に向け、複数
個のねじ孔を設ける一方、連結部材端部に端部金
物を設けるとともに、その中央部に連結部材長手
方向に貫通する透孔を設け、この透孔にその連結
部材内部側より前記透孔より一回り大なるボルト
頭を有し、かつ軸方向ねじ部分表面に連続する溝
部を有する連結ボルトを挿通するとともに、この
連結ボルトのねじ部分に回転材を挿通し、かつ回
転材の外側のねじ部分にナツトを螺合し、前記回
転材に止めねじを前記連結ボルトの溝部に向けて
螺合しナツトを押えた状態で回転材を回転させる
ことにより前記連結ボルトを前記球体のねじ孔に
螺合し、連結ボルトのボルト頭が端部金物に接し
た状態でナツトを端部金物側に回転させ、ボルト
頭、端部金物、回転材を圧縮密着させることによ
りボルトのがたつきを阻止して前記目的を達成す
るものである。
In this invention, a plurality of screw holes are provided in the sphere toward its center, end metal fittings are provided at the ends of the connecting member, and a through hole is provided in the center of the connecting member to penetrate in the longitudinal direction of the connecting member. A connecting bolt having a bolt head one size larger than the through hole and a continuous groove on the surface of the threaded portion in the axial direction is inserted into the through hole from the inside of the connecting member, and the threaded portion of the connecting bolt is rotated. inserting the material, screwing a nut onto the threaded part on the outside of the rotating material, screwing a set screw into the rotating material toward the groove of the connecting bolt, and rotating the rotating material while holding the nut. Screw the connecting bolt into the screw hole of the sphere, and with the bolt head of the connecting bolt in contact with the end hardware, rotate the nut toward the end hardware to compress the bolt head, end hardware, and rotating material. The purpose of achieving the above objective is to prevent the bolt from rattling by making the bolts adhere tightly.
以下、この発明を図示する一実施例によつて説
明すると、立体トラスの継手は球体1と、連結部
材2と、端部金物3と、連結ボルト4と、回転材
5およびナツト6等から構成されている。
The present invention will be described below with reference to an illustrative embodiment. A joint of a three-dimensional truss is composed of a sphere 1, a connecting member 2, an end metal fitting 3, a connecting bolt 4, a rotating member 5, a nut 6, etc. has been done.
球体1は、鍛造等により中空に形成され、その
所定位置に連結部材2の取付方向に応じ複数個の
ねじ孔7が球体1の中心に向けて形成され、その
先端は中空部に到達している。 The sphere 1 is formed hollow by forging or the like, and a plurality of screw holes 7 are formed at predetermined positions toward the center of the sphere 1 according to the mounting direction of the connecting member 2, and the tips thereof reach the hollow part. There is.
また、球体1の一側部には中空部に連続する大
孔8が形成され、この大孔8から各ねじ孔7の先
端が確認できるようにしてある。 Further, a large hole 8 is formed in one side of the sphere 1 and is continuous with the hollow part, and the tips of each screw hole 7 can be confirmed through this large hole 8.
連結部材2は、円形または角形断面をなす中空
閉鎖形断面の鋼管より形成され、その両端部に端
部金物3,3が取付けられている。 The connecting member 2 is formed of a steel pipe with a hollow closed cross section, which is circular or square in cross section, and end metal fittings 3, 3 are attached to both ends thereof.
端部金物3は、鍛造等により略円錐台形に形成
され、その裏側には所定径、所定深さの凹部9が
形成され、かつ表側には連結ボルト4のボルト頭
4aにより一回り小さい透孔10が形成されてい
る。透孔10は凹部9と連結している。 The end hardware 3 is formed into a substantially truncated conical shape by forging or the like, and has a recess 9 of a predetermined diameter and a predetermined depth formed on the back side, and a through hole one size smaller than the bolt head 4a of the connecting bolt 4 on the front side. 10 are formed. The through hole 10 is connected to the recess 9.
このように形成された端部金物3は連結部材2
の両端部に溶接によつて取付けられている。 The end hardware 3 formed in this way is connected to the connecting member 2.
It is attached by welding to both ends of the
端部金物3の透孔10にはその連結部材2の内
部側、すなわち凹部9側より連結ボルト4が挿通
され、その雄ねじ部4bは透孔10を完全に貫通
し、透孔10より完全に突出している。また、連
結ボルト4はボルト頭4aが透孔10の周縁部に
当り、表側には抜け出ないようになつている。連
結ボルト4の雄ねじ部4b表面にはその長手方向
に連続して溝部4cが形成されている。また、連
結ボルト4の雄ねじ部4bには回転材5が挿通さ
れ、かつ雄ねじ部4bの先端側すなわち回転材5
の外側の雄ねじ部4bにナツト6が螺合され、さ
らに雄ねじ部4bの先端部は球体1のねじ孔7に
螺合され、球体1と連結部材2間が連結されてい
る。 The connecting bolt 4 is inserted into the through hole 10 of the end metal fitting 3 from the inside side of the connecting member 2, that is, from the recess 9 side, and the male threaded portion 4b completely passes through the through hole 10 and is completely removed from the through hole 10. It stands out. Further, the bolt head 4a of the connecting bolt 4 touches the peripheral edge of the through hole 10, so that it does not come out to the front side. A groove portion 4c is formed continuously in the longitudinal direction on the surface of the male threaded portion 4b of the connecting bolt 4. Further, the rotating member 5 is inserted into the male threaded portion 4b of the connecting bolt 4, and the rotating member 5 is inserted on the tip side of the male threaded portion 4b, that is, the rotating member 5
A nut 6 is screwed into the external male threaded portion 4b, and the tip of the male threaded portion 4b is screwed into the screw hole 7 of the sphere 1, thereby connecting the sphere 1 and the connecting member 2.
回転材5には半径方向のねじ孔5aが形成さ
れ、このねじ孔5aに止めねじ11が螺合されて
いる。 A radial screw hole 5a is formed in the rotating member 5, and a set screw 11 is screwed into the screw hole 5a.
止めねじ11の先端部は連結ボルト4の溝部4
cに係合され、これにより回転材5は回転が阻止
され、雄ねじ部4bの長手方向の所定位置に固定
することが可能とされている。 The tip of the set screw 11 fits into the groove 4 of the connecting bolt 4.
c, thereby preventing rotation of the rotating member 5 and making it possible to fix it at a predetermined position in the longitudinal direction of the male threaded portion 4b.
かかる構成において、立体トラスの組立てにつ
いて説明すると、まず両端に端部金物3、連結ボ
ルト4、回転材5およびナツト6を取付けた連結
部材2を球体1,1間に架設する。 In this configuration, the assembly of the three-dimensional truss will be described. First, the connecting member 2, which has the end hardware 3, the connecting bolt 4, the rotating member 5, and the nut 6 attached to both ends, is installed between the spheres 1 and 1.
続いて、連結ボルト4の雄ねじ部4bを球体1
のねじ孔7に合せるとともにナツト6を押え、回
転材5を回転する。その結果として、回転材5の
回転は、止めねじ11で阻止されているので連結
ボルト4が回転材5とともに回転し、連結ボルト
4の雄ねじ部4bが球体1のねじ孔7と螺合し、
球体1と部材2間が連結される。なお、連結ボル
ト4の雄ねじ部4bと球体1のねじ孔7間の螺合
は球体1の大孔8より確認するものとする。 Next, attach the male threaded portion 4b of the connecting bolt 4 to the sphere 1.
while holding down the nut 6, rotate the rotating member 5. As a result, since the rotation of the rotating member 5 is prevented by the set screw 11, the connecting bolt 4 rotates together with the rotating member 5, and the male threaded portion 4b of the connecting bolt 4 is screwed into the screw hole 7 of the sphere 1.
The sphere 1 and the member 2 are connected. Note that the screw engagement between the male threaded portion 4b of the connecting bolt 4 and the screw hole 7 of the spherical body 1 shall be confirmed through the large hole 8 of the spherical body 1.
この発明は以上の構成からなるので以下の効果
を有する。
Since the present invention has the above configuration, it has the following effects.
連結ボルトは球体にその内側からではなく、
連結部材側から螺合されているので、球体内の
ボルトの取付け作業が不要になり、球体の大幅
な小型化、並びにこれによる球体の軽量化およ
び材料の節約による製作コストの低減化が図れ
る。 The connecting bolt is not attached to the sphere from inside,
Since they are screwed together from the connecting member side, there is no need to attach bolts inside the sphere, making it possible to significantly reduce the size of the sphere, and thereby reduce the weight of the sphere and save material, thereby reducing production costs.
さらに、球体の軽量化による施工性の向上が
図れる。 Furthermore, workability can be improved by reducing the weight of the sphere.
また連結ボルトは、連結部材端部の端部金物
の透孔に端に貫通されているので、透孔をやや
大きめに形成しておけば、連結部材と球体間を
ユニバーサル結合とすることができ、部材の角
度誤差を容易に吸収することができる。 In addition, since the connecting bolt is passed through the through hole of the end hardware at the end of the connecting member, if the through hole is made slightly larger, a universal connection can be made between the connecting member and the sphere. , the angular error of the member can be easily absorbed.
また、連結ボルトのボルト頭が端部金物に接
した状態でナツトを端部金物側に回転させ、ボ
ルト頭、端部金物、回転材を圧縮密着させるこ
とができるのでボルトのがたつきを阻止するこ
とができる。 In addition, by rotating the nut toward the end hardware while the bolt head of the connecting bolt is in contact with the end hardware, the bolt head, end hardware, and rotating material can be compressed into tight contact, preventing the bolt from rattling. can do.
第1図〜第4図は、この発明の一実施例を示し
たもので、第1図は立体トラス構造物の斜視図、
第2図は球体と部材間の継手状態を示す一部破断
側面図、第3図および第4図は同じく球体と部材
間の継手状態を示す一部波断分解側面図である。
1……球体、2……連結部材、3……端部金
物、4……連結ボルト、5……回転材、6……ナ
ツト、7……ねじ孔、8……大孔、9……凹部、
10……透孔、11……止めねじ。
1 to 4 show an embodiment of the present invention, and FIG. 1 is a perspective view of a three-dimensional truss structure;
FIG. 2 is a partially cutaway side view showing the state of the joint between the sphere and the member, and FIGS. 3 and 4 are partially broken side views showing the state of the joint between the sphere and the member. 1... Sphere, 2... Connecting member, 3... End hardware, 4... Connecting bolt, 5... Rotating member, 6... Nut, 7... Screw hole, 8... Large hole, 9... recess,
10...Through hole, 11...Set screw.
Claims (1)
を設ける一方、連結部材端部に端部金物を設ける
とともに、その中央部に連結部材長手方向に貫通
する透孔を設け、この透孔にその連結部材内部側
より、前記透孔より一回り大なるボルト頭を有
し、かつ軸方向ねじ部分表面に連続する溝部を有
する連結ボルトを挿通するとともに、この連結ボ
ルトのねじ部分に回転材を挿通し、かつ回転材の
外側のねじ部分にナツトを螺合し、前記回転材に
止めねじを前記連結ボルトの溝部に向け螺合し、
前記連結ボルトを前記球体のねじ孔に螺合してな
ることを特徴とする立体トラスの球継手。1 A plurality of screw holes are provided in the sphere toward its center, and end metal fittings are provided at the ends of the connecting member, and a through hole is provided in the center of the sphere that penetrates in the longitudinal direction of the connecting member. A connecting bolt having a bolt head one size larger than the through hole and a continuous groove on the surface of the threaded portion in the axial direction is inserted from the inside of the connecting member, and a rotating material is inserted into the threaded portion of the connecting bolt. inserting the nut into the threaded part on the outside of the rotating member, and threading a set screw into the rotating member toward the groove of the connecting bolt;
A ball joint for a three-dimensional truss, characterized in that the connection bolt is screwed into a screw hole of the sphere.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20077285A JPS6259741A (en) | 1985-09-11 | 1985-09-11 | Ball joint of three-dimensional truss |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20077285A JPS6259741A (en) | 1985-09-11 | 1985-09-11 | Ball joint of three-dimensional truss |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6259741A JPS6259741A (en) | 1987-03-16 |
JPH0527731B2 true JPH0527731B2 (en) | 1993-04-22 |
Family
ID=16429920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20077285A Granted JPS6259741A (en) | 1985-09-11 | 1985-09-11 | Ball joint of three-dimensional truss |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6259741A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2672440B2 (en) * | 1992-02-28 | 1997-11-05 | 株式会社巴コーポレーション | Joint structure of ball joint and rod of space truss |
-
1985
- 1985-09-11 JP JP20077285A patent/JPS6259741A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6259741A (en) | 1987-03-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS6292315U (en) | ||
US5697746A (en) | Screw-nut fastener assembly | |
JPH0527731B2 (en) | ||
JP2994252B2 (en) | Joint structure between ball joint and rod of space truss | |
JPH10225794A (en) | Deformation prevention jig for welding base material | |
JP2683190B2 (en) | Joining method of ball joint and rod of space truss | |
JPS6033948B2 (en) | Structure member joining method | |
JPH0417259B2 (en) | ||
JP2523952Y2 (en) | High strength bolted joint of square steel pipe and its filler | |
JP2672440B2 (en) | Joint structure of ball joint and rod of space truss | |
JPH062020Y2 (en) | Tapping screw | |
JPH0235098B2 (en) | RITSUTAIKOZOBUTSUNORENKETSUSOCHI | |
JPS5939778Y2 (en) | Structure of conduit joint pipe part | |
JPS59210134A (en) | Member connection of three-dimensional truss | |
JPH028702Y2 (en) | ||
JPS6347202Y2 (en) | ||
JPH0566104U (en) | Connection structure of rods | |
JPH0347050Y2 (en) | ||
JPS6255346A (en) | Apparatus for connecting structural member | |
JPS5930457U (en) | Metal fittings for concrete formwork assembly | |
JPH1096267A (en) | Connecting structure between spherical node and truss chord member of ball joint type truss structure | |
JPH0127800Y2 (en) | ||
JPH0566105U (en) | Connection structure of rods | |
JP3476536B2 (en) | Guard fence joint | |
JP2673773B2 (en) | Plane cross brace structure made of solid material such as tower-like structure or thick steel pipe |