JPH0721682Y2 - Truss bearing structure - Google Patents
Truss bearing structureInfo
- Publication number
- JPH0721682Y2 JPH0721682Y2 JP7565691U JP7565691U JPH0721682Y2 JP H0721682 Y2 JPH0721682 Y2 JP H0721682Y2 JP 7565691 U JP7565691 U JP 7565691U JP 7565691 U JP7565691 U JP 7565691U JP H0721682 Y2 JPH0721682 Y2 JP H0721682Y2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- sphere
- truss
- joining
- male screw
- 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、鋼管等からなるトラス弦材を梁や柱等の支持部材に
支承するトラスの支承部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 truss support structure for supporting a truss chord member made of steel pipe or the like on a support member such as a beam or a column 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、図２に示
すように鋼管製のトラス弦材１と、このトラス弦材１を
相互に接合する接合用球体２とで構成したものがある。2. Description of the Related Art Conventionally, in a structure such as a parking lot, a factory, a meeting place, etc., a three-dimensional truss serving as a frame of a roof is constructed by a steel pipe truss chord member 1 and this truss chord member 1, as shown in FIG. Some of them are composed of the bonding sphere 2 which is bonded to each other.
【０００３】このような立体トラスにおいて、下辺のト
ラス弦材１を柱や梁等に支承させる支承部構造として、
図３および図４に示す構造や、図５に示す構造が採られ
ている。In such a three-dimensional truss, as a supporting portion structure for supporting the truss chord member 1 on the lower side to a pillar or a beam,
The structure shown in FIGS. 3 and 4 and the structure shown in FIG. 5 are adopted.
【０００４】図３および図４の支承部構造は、通常のト
ラス弦材１間の接合に使用する接合用球体２を支承部に
も使用した例であり、接合用球体２は、弦材接合用に形
成されているねじ孔３を利用して、束材４の天板４ａに
ボルト５で固定される。束材４は、ベースプレート６に
溶接した短筒状のものであり、ベースプレート６は梁等
の支持部材７にボルト８で固定される。The support structure shown in FIGS. 3 and 4 is an example in which the joining sphere 2 used for joining the ordinary truss chord members 1 is also used for the bearing. The joining sphere 2 is a chord member joining member. It is fixed to the top plate 4a of the bundle 4 with bolts 5 by using the screw holes 3 formed for the purpose. The bundle 4 is in the shape of a short cylinder welded to the base plate 6, and the base plate 6 is fixed to a supporting member 7 such as a beam with bolts 8.
【０００５】図５の支承部構造は、専用の支承用球体９
に直接にリブプレート１０を溶接し、ベースプレート１
１をアンカーボルト１２で支持部材１３に固定してい
る。この場合の支承用球体９の材質は、溶接しても構造
耐力上影響のないＳＳ材やＳＭ材が使用される。The bearing structure shown in FIG. 5 has a dedicated bearing sphere 9.
The rib plate 10 is directly welded to the base plate 1
1 is fixed to the support member 13 with anchor bolts 12. In this case, as the material of the bearing sphere 9, an SS material or an SM material that does not affect the structural strength even if welded is used.
【０００６】[0006]
【考案が解決しようとする課題】しかし、図４の支承部
構造は、１本のボルト５で接合用球体２を固定する構造
であるため、このボルト固定部における耐力が弱いとい
う問題点がある。また、ボルト５による固定構造である
ため、接合用球体２に水平力が作用した場合に、接合用
球体２を回転させようとする力に対する抵抗が小さい。However, the bearing structure shown in FIG. 4 has a problem that the bolt fixing portion has a weak proof strength because it is a structure in which the joining sphere 2 is fixed by one bolt 5. . Further, because of the fixing structure using the bolts 5, when a horizontal force is applied to the joining sphere 2, the resistance against the force to rotate the joining sphere 2 is small.
【０００７】図５の支承部構造は、リブプレート１０等
の加工および溶接が必要であるため、製造に手間がかか
り、精度保持が難しい。また、溶接性を考慮すると熱処
理を施した高張力鋼等を採用することが難しいという問
題点がある。Since the support structure of FIG. 5 requires the rib plate 10 and the like to be machined and welded, it takes a lot of time to manufacture and it is difficult to maintain accuracy. Further, considering weldability, it is difficult to adopt heat-treated high-tensile steel or the like.
【０００８】この考案の目的は、耐力の向上、および製
造の簡易化が図れ、また支承用球体の下部が弦材接合に
使い易くなる支承部構造を提供することである。It is an object of the present invention to provide a bearing structure in which the yield strength is improved and the manufacturing is simplified, and the lower part of the bearing sphere is easy to use for joining chord members.
【０００９】[0009]
【課題を解決するための手段】この考案のトラスの支承
部構造は、支持部材に取付けられるベースプレート部に
ねじ筒を突設してなる支承用球体受けを設け、前記ねじ
筒内に螺着される雄ねじ部を球状本体に一体に突設した
支承用球体を設けたものである。球状本体は、トラス弦
材の接合用ねじ孔を有するものである。A truss bearing structure of the present invention is provided with a bearing sphere receiver formed by projecting a screw cylinder on a base plate portion attached to a support member and screwed into the screw cylinder. A spherical body for bearing is provided by integrally projecting a male screw portion on a spherical body. The spherical body has a screw hole for joining truss chord members.
【００１０】[0010]
【作用】この構成によると、支承用球体に一体に雄ねじ
部を突設し、この雄ねじ部を支承用球体受けのねじ筒に
螺着するようにしたため、前記雄ねじ部による固定部に
おいて、強い耐力が得られる。支承用球体は、一部に雄
ねじ部を設けたものであるため、雄ねじ部の突出側の面
も、弦材の接合孔を設けて弦材の接合に使用し易くな
る。According to this structure, the male ball portion is integrally provided on the bearing sphere so that the male thread portion is screwed into the thread cylinder of the bearing sphere receiver. Is obtained. Since the supporting sphere is provided with a male screw part in a part thereof, the projecting side surface of the male screw part is also provided with a joining hole for the chord member, and can be easily used for joining the chord members.
【００１１】[0011]
【実施例】この考案の一実施例を図１に基づいて説明す
る。このトラスの支承部構造は、主に支承用球体受け１
４と支承用球体１５とで構成される。支承用球体受け１
４は、支持部材７上に配置されるベースプレート部１４
ａに内周が雌ねじのねじ筒１４ｂを一体に突設したもの
であり、ベースプレート部１４ａに固定ボルト１８によ
る取付用の取付孔１６が設けてある。支持部材７は前記
の梁であり、Ｈ形鋼からなる。なお、支持部材７は柱や
基礎等であっても良い。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described with reference to FIG. The structure of the bearing part of this truss is mainly the bearing ball receiver 1
4 and a supporting sphere 15. Ball support for bearing 1
4 is a base plate portion 14 arranged on the support member 7.
A threaded cylinder 14b having an internal thread on the inner periphery of a is integrally projected, and a mounting hole 16 for mounting with a fixing bolt 18 is provided on the base plate portion 14a. The supporting member 7 is the beam described above and is made of H-shaped steel. The support member 7 may be a pillar, a foundation, or the like.
【００１２】支承用球体１５は、球状本体１５ａに雄ね
じ部１５ｂを一体に突設した鋼製のものであり、鍛造ま
たは鋳造で前記雄ねじ部１５ｂとなる軸状突部の形成が
行われる。球状本体１５ａは、鋼管等からなるトラス弦
材１を接合するねじ孔１７が各方向に形成してある。１
９は六角の戻り止めナットである。The bearing sphere 15 is made of steel in which a male screw portion 15b is integrally projected on a spherical body 15a, and a shaft-like protrusion to be the male screw portion 15b is formed by forging or casting. The spherical body 15a has screw holes 17 formed in each direction for joining the truss chord member 1 made of steel pipe or the like. 1
9 is a hexagon detent nut.
【００１３】施工手順を説明すると、支承用球体１５の
雄ねじ部１５ｂに戻り止めナット１９を取付けておき、
支承用球体受け１４のねじ筒１４ｂに支承用球体１５の
雄ねじ部１５ｂをねじ込む。ついで、戻り止めナット１
９をねじ筒１４ｂ側に締め付けて、支承用球体１５と支
承用球体受け１４とを固定する。この後、支承用球体受
け１４の取付孔１６とに支持部材７の上フランジのボル
ト孔２０とを合せ、ボルト１８で固定する。Explaining the construction procedure, the detent nut 19 is attached to the male screw portion 15b of the support sphere 15 in advance.
The male screw portion 15b of the bearing sphere 15 is screwed into the screw cylinder 14b of the bearing sphere receiver 14. Then, the detent nut 1
9 is fastened to the screw cylinder 14b side to fix the bearing sphere 15 and the bearing sphere receiver 14. After that, the mounting hole 16 of the bearing sphere receiver 14 and the bolt hole 20 of the upper flange of the support member 7 are aligned and fixed with the bolt 18.
【００１４】このトラスの支承部構造によると、支承用
球体１５を鍛造または鋳造品として雄ねじ部１５ｂを一
体に突設したため、雄ねじ部１５ｂによる固定部の耐力
として、雄ねじ部１５ｂの強度の限界まで耐力が得ら
れ、固定部の耐力が向上する。また、雄ねじ部１５ｂを
支承用球体受け１４のねじ筒１４ｂに螺着し、戻り止め
ナット１９で固定する構造であるため、雄ねじ部１５ｂ
のねじ込み量の調整によってレベル調整が可能であり、
柱頭や梁上に設ける場合にレベル調整が容易である。し
かも、図４の従来例のように１本のボルト５で接合する
構造に比べて、水平力が支承用球体１５に作用したとき
に、支承用球体１５を回転させようとする力に対する抵
抗力が大きい。According to the support portion structure of this truss, the support ball 15 is forged or cast and the male screw portion 15b is integrally projected. Proof strength is obtained, and the yield strength of the fixed part is improved. Further, since the male screw portion 15b is screwed to the screw cylinder 14b of the bearing sphere receiver 14 and is fixed by the detent nut 19, the male screw portion 15b is provided.
The level can be adjusted by adjusting the screwing amount of
Level adjustment is easy when installed on stigmas or beams. Moreover, as compared with the structure in which one bolt 5 is used for joining as in the conventional example of FIG. 4, when a horizontal force acts on the bearing sphere 15, the resistance force against the force that attempts to rotate the bearing sphere 15 is increased. Is big.
【００１５】また、支承用球体受け１４は、ベースプレ
ート部１４ａにねじ筒１４ｂを突設したものであるた
め、リブ等の溶接が不要で製造が簡単である。さらに、
支承用球体１５は、一部に雄ねじ部１５ｂを設けたもの
であるため、球状本体１５ａの下面（雄ねじ部１５ｂの
突出側の面）にも、弦材の接合孔を設け易くなる。Further, since the support spherical body receiver 14 is formed by projecting the screw cylinder 14b on the base plate portion 14a, the ribs and the like are not required to be welded and the manufacture is simple. further,
Since the support sphere 15 is provided with a male screw portion 15b in a part thereof, it is easy to provide a joint hole for a chord member on the lower surface of the spherical body 15a (the surface on the protruding side of the male screw portion 15b).
【００１６】さらに、支承用球体１５は雄ねじ部１５ｂ
が一体に突設してあるため、弦材接合用の各ねじ孔１７
を孔明け加工するに際して、雄ねじ部１５ｂを掴んで加
工できる。そのため、図４の従来の接合用球体２におい
て、加工の都合のために明けていた貫通状態のボルト孔
（図示せず）を明ける必要がなく、これによっても強度
が向上する。Further, the support ball 15 has a male screw portion 15b.
Since they are integrally projected, each screw hole 17 for joining the chord members
When drilling a hole, the male screw portion 15b can be gripped and processed. Therefore, in the conventional joining sphere 2 of FIG. 4, it is not necessary to open a bolt hole (not shown) in a penetrating state, which has been opened for convenience of processing, and this also improves the strength.
【００１７】[0017]
【考案の効果】この考案のトラスの支承部構造は、支承
用球体に一体に雄ねじ部を突設し、この雄ねじ部を支承
用球体受けのねじ筒に螺着するようにしたため、前記雄
ねじ部による固定部において、強い耐力が得られる。ま
た、支承用球体受けは、ベースプレート部にねじ筒を突
設したものであるため、リブ等の溶接が不要で製造が簡
単である。さらに、支承用球体は、一部に雄ねじ部を設
けたものであるため、雄ねじ部の突出側の面にも、弦材
の接合孔を設け易くなる。In the truss support structure of the present invention, the male screw portion is integrally provided on the bearing sphere, and the male screw portion is screwed into the screw cylinder of the bearing sphere receiver. A strong proof stress can be obtained in the fixing part. Further, since the support spherical body receiver is formed by projecting a screw cylinder on the base plate portion, it is not necessary to weld ribs and the like, and the manufacture is simple. Furthermore, since the supporting sphere is provided with a male screw portion in a part thereof, it is easy to provide a joining hole for the chord member on the projecting side surface of the male screw portion.
【図１】この考案の一実施例の破断正面図である。FIG. 1 is a cutaway front view of an embodiment of the present invention.
【図２】（Ａ）は従来の立体トラスの平面図、（Ｂ）は
同側面図、（Ｃ）は同正面図である。2A is a plan view of a conventional space truss, FIG. 2B is a side view thereof, and FIG. 2C is a front view thereof.
【図３】従来のトラス支承部構造の一例を示す正面図で
ある。FIG. 3 is a front view showing an example of a conventional truss support portion structure.
【図４】その拡大破断正面図である。FIG. 4 is an enlarged cutaway front view of the same.
【図５】従来のトラス支承部構造の他の例の正面図であ
る。FIG. 5 is a front view of another example of the conventional truss support portion structure.
１…トラス弦材、７…支持部材、１４…支承用球体受
け、１４ａ…ベースプレート部、１４ｂ…ねじ筒、１５
…支承用球体、１５ａ…球状本体、１５ｂ…雄ねじ部、
１７…ねじ孔、１８…ボルトDESCRIPTION OF SYMBOLS 1 ... Truss chord member, 7 ... Supporting member, 14 ... Bearing ball receiver, 14a ... Base plate part, 14b ... Screw cylinder, 15
... Support sphere, 15a ... Spherical body, 15b ... Male screw part,
17 ... Screw hole, 18 ... Bolt
Claims (1)
部に内周が雌ねじのねじ筒を突設してなる支承用球体受
けと、トラス弦材の接合用ねじ孔を有する球状本体に、
前記ねじ筒に螺着される雄ねじ部を一体に突設した支承
用球体とを備えたトラスの支承部構造。1. A spherical body for bearing, which comprises a base plate portion attached to a support member and a threaded tube having an internal thread protruding from an inner periphery of the base plate portion, and a spherical body having a screw hole for joining truss chord members,
A bearing portion structure of a truss including a bearing sphere integrally projecting a male screw portion screwed to the screw cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7565691U JPH0721682Y2 (en) | 1991-08-26 | 1991-08-26 | Truss bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7565691U JPH0721682Y2 (en) | 1991-08-26 | 1991-08-26 | Truss bearing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0516908U JPH0516908U (en) | 1993-03-02 |
| JPH0721682Y2 true JPH0721682Y2 (en) | 1995-05-17 |
Family
ID=13582501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7565691U Expired - Lifetime JPH0721682Y2 (en) | 1991-08-26 | 1991-08-26 | Truss bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0721682Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6322049B2 (en) * | 2014-05-19 | 2018-05-09 | 今井 克彦 | Reinforcement structure of RC building with silver cool roof |
-
1991
- 1991-08-26 JP JP7565691U patent/JPH0721682Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0516908U (en) | 1993-03-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |