JP4667429B2 - Impact resistant joint - Google Patents
Impact resistant joint Download PDFInfo
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- JP4667429B2 JP4667429B2 JP2007194466A JP2007194466A JP4667429B2 JP 4667429 B2 JP4667429 B2 JP 4667429B2 JP 2007194466 A JP2007194466 A JP 2007194466A JP 2007194466 A JP2007194466 A JP 2007194466A JP 4667429 B2 JP4667429 B2 JP 4667429B2
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Description
本発明は、外部からの衝突物により衝撃を受ける保護部材を固着すると共に衝撃を吸収できる耐衝撃用結合部材に関し、特にはゴム製の保護部材に装着させて、保護部材を構造物に固着するための耐衝撃用結合部材に関する。 The present invention relates to an impact-resistant coupling member capable of fixing a protective member that receives an impact by an impact from the outside and absorbing the impact, and in particular, is attached to a rubber protective member to fix the protective member to a structure. The present invention relates to a shock-resistant coupling member.
従来、コンクリート製の砂防ダム、橋脚等の構造物を岩石や流木等の衝突物から保護する手段として、ゴム製の保護部材がコンクリート構造物の表面に取付けられている。この保護部材をコンクリート構造物に固着する手段としては、実開平６−２７９２７号ではコンクリート基礎に植設されたアンカーボルトと該アンカーボルトと螺合されるナットにより保護部材を取付けていた。 Conventionally, as a means for protecting structures such as concrete sabo dams and piers from collision objects such as rocks and driftwood, rubber protective members are attached to the surface of the concrete structure. As means for fixing the protective member to the concrete structure, in Japanese Utility Model Laid-Open No. 6-27927, the protective member is attached by an anchor bolt planted on the concrete foundation and a nut screwed to the anchor bolt.
また、特開２００３−２３９２５６号では、ゴム製の残存型枠の裏面から直角に多数本の直棒状の結合部材を突出させ、この結合部材でコンクリート構造物に残存型枠を固着させていた。
上記従来の結合部材で、実開平６−２７９２７号のものは、単に保護部材を結合部材としてのアンカーボルトとナットでコンクリート基礎に固定するものであり、しかも、保護部材を固定するアンカーボルトはコンクリート基礎に植設させるため、保護部材は固化した状態のコンクリート基礎に後から取付けることになり、保護部材とコンクリート基礎との密着性が悪く、又、初めから結合部材が保護部材に固着しておらず、アンカーボルトと保護部材との結合が弱く、衝撃に対し保護部材がコンクリート基礎から離脱し易い等の問題点を有していた。 The conventional coupling member described in Japanese Utility Model Laid-Open No. 6-27927 is simply to fix a protective member to a concrete foundation with an anchor bolt and nut as a coupling member, and the anchor bolt for fixing the protective member is concrete. Since the protective member is installed on the foundation, the protective member will be attached to the solid concrete foundation later, the adhesion between the protective member and the concrete foundation is poor, and the connecting member is not fixed to the protective member from the beginning. However, the anchor bolt and the protective member are weakly coupled, and the protective member is easily detached from the concrete foundation due to impact.
他方、特開２００３−２３９２５６号では、結合部材が棒状で、これをゴム製の型枠部材の裏面から直角に突出したものであるから、岩石や流木等の衝突に対してある程度の耐久性を有するが、結合部材が裏面から突出していると、運搬や保管の際に嵩張り、又、型枠部材の成形においても突出した結合部材が邪魔となる。更に、補強材と固着した結合部材が剛性であるため、その補強材と結合部材に型枠部材を介して受ける衝撃圧力を、結合部材で吸収することができず、補強材と結合部材自体により型枠部材が破損又は損傷する危険性を有していた。 On the other hand, in Japanese Patent Application Laid-Open No. 2003-239256, since the coupling member is rod-shaped and protrudes at right angles from the back surface of the rubber formwork member, it has a certain degree of durability against collisions of rocks, driftwood, etc. However, if the connecting member protrudes from the back surface, the connecting member is bulky during transportation and storage, and the protruding connecting member also obstructs the molding of the mold member. Further, since the coupling member fixed to the reinforcing material is rigid, the impact pressure received by the reinforcing material and the coupling member via the formwork member cannot be absorbed by the coupling member. There was a risk of breakage or damage to the formwork member.
本発明は、衝撃を受ける構造物、特には砂防ダム、橋脚等のコンクリート構造物を衝撃から保護するゴム製の保護部材に装着し、その保護部材を構造物に強く結合でき、且つ、保護部材に対する衝撃に対しても、保護部材と共に衝撃を吸収させ、保護部材の破損や剥離等を防止する耐衝撃用結合部材を提供することを目的とする。 The present invention is such that a structure subjected to an impact, particularly a concrete structure such as a sabo dam or a bridge pier, is attached to a rubber protective member that protects the impact from the impact, and the protective member can be strongly coupled to the structure. It is an object of the present invention to provide an impact-resistant coupling member that absorbs an impact with respect to the protective member and prevents the protective member from being damaged or peeled off.
また、本発明の目的は、圧縮荷重に対しては撓み、引張荷重に対しては伸びることなく強固に固着状態を保持できる耐衝撃用結合部材を提供するにある。 Another object of the present invention is to provide an impact-resistant coupling member that can be firmly held without being bent with respect to a compressive load and without being stretched with respect to a tensile load.
角筒状で可撓性を有する取付本体（１）と、該取付本体（１）内に装着した角ナット（２）とから成る。且つ、前記取付本体（１）は、細長金属板を略コの字状に折曲した２つの取付片（11）,(12)を、その互いの端面部（11a）,(12a)を直交させ重合して角筒状に組合せる。そして、前記端面部（11a）,(12a)を連通するバカ穴（13）を穿設し、前記角ナット（２）は、内側に重合した前記端面部（12a）に当接し、且つ、外側に重合した前記端面部（11a）を有する前記取付片（11）に係着したものである。 The mounting body (1) having a rectangular tube shape and flexibility, and a square nut (2) mounted in the mounting body (1). In addition, the mounting body (1) has two mounting pieces (11) and (12) obtained by bending an elongated metal plate into a substantially U shape, and the end surface portions (11a) and (12a) thereof are orthogonal to each other. Polymerize and combine into a square tube shape. Then, a fool hole (13) communicating with the end surface portions (11a) and (12a) is formed, and the square nut (2) is in contact with the end surface portion (12a) overlapped inside, It is attached to the mounting piece (11) having the end surface portion (11a) superposed on the surface.
また、前記角ナット（２）が六角ナットであり、該六角ナットを前記取付片（11）の両脚部（11b）に穿設した角穴（11c）に係着させるのがよい。 The square nut (2) is a hexagonal nut, and the hexagonal nut is preferably engaged with a square hole (11c) formed in both leg portions (11b) of the mounting piece (11).
前記取付片（11）,(12)の脚部（11b）,(12b)のいずれか一方の長さを、他方の長さよりも短くすると共に、その端部に円弧溝（11d）を形成するのがよい。 Either one of the leg portions (11b) and (12b) of the mounting pieces (11) and (12) is made shorter than the other length, and an arc groove (11d) is formed at the end thereof. It is good.
本発明の可撓性を有する取付本体（１）とは、長細な角筒状の取付本体（１）に、その両端方向から圧縮荷重が加わると取付本体（１）が撓み、取付本体（１）がクッション性を有することである。 The flexible mounting body (1) of the present invention means that when a compressive load is applied to the elongated rectangular tube-shaped mounting body (1) from both ends, the mounting body (1) bends. 1) has cushioning properties.
本発明では、取付本体（１）が角筒状で可撓性を有することにより、その両端に衝撃等の圧縮荷重が加わると、取付本体（１）の胴部を構成する可撓性を有した脚部（11b）,(12b)が撓み、衝撃を吸収する。従って、本発明の結合部材をゴム製の保護部材（４）の裏面に面一に装着すると、保護部材（４）のクッション性と共に取付本体（１）のクッション性が加味され、構造物に取付けられた保護部材（４）の脱落や損傷が防止できる。 In the present invention, the mounting body (1) has a rectangular tube shape and is flexible, and therefore, when a compressive load such as an impact is applied to both ends thereof, the mounting body (1) has flexibility that constitutes the body portion of the mounting body (1). The bent legs (11b) and (12b) bend and absorb the impact. Therefore, when the coupling member of the present invention is mounted flush with the back surface of the rubber protection member (4), the cushioning property of the mounting member (1) is taken into account together with the cushioning property of the protection member (4), and the attachment member is attached to the structure. The protective member (4) thus formed can be prevented from falling off or being damaged.
しかも、本発明では、取付本体（１）が角筒状であるため、保護部材（４）を成形する際に取付本体（１）内に保護部材（４）が入らず、取付本体（１）の内部に空間を保て、取付本体（１）内に装着した角ナット（２）にネジ棒を螺合することができ、また、角筒状であると、その内部に固着しないで装着した角ナット（２）がネジ棒（３）を螺合する際に回ることもない。 Moreover, in the present invention, since the mounting body (1) has a rectangular tube shape, the protective member (4) does not enter the mounting body (1) when the protection member (4) is molded, and the mounting body (1). The screw rod can be screwed into the square nut (2) mounted in the mounting body (1) while keeping a space inside the box, and if it is a rectangular tube, it is mounted without being fixed inside The square nut (2) does not turn when the screw rod (3) is screwed together.
また、本発明では、特に取付本体（１）が引張荷重に対して保護部材（４）を強い固着性を発揮し、圧縮荷重に対してはクッション性を具備し、保護部材（４）の損傷を防止するという点において、特有な効果を有するものである。 Further, in the present invention, the mounting body (1) exhibits a strong adhesion to the protective member (4) against a tensile load, and has a cushioning property against a compressive load, so that the protective member (4) is damaged. In that respect, it has a unique effect.
以下、本発明の実施形態につき図を基に説明する。図１は本発明の実施形態を示す斜視図、図２は本発明の断面図、図３は本発明で角ナットの係着状態を示す断面図、図４、５は本発明の結合部材を保護部材に装着した状態を示す断面図、図６は本発明の結合部材の可撓性を示す説明図である。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing an embodiment of the present invention, FIG. 2 is a cross-sectional view of the present invention, FIG. 3 is a cross-sectional view showing a state in which a square nut is engaged in the present invention, and FIGS. Sectional drawing which shows the state with which the protection member was mounted | worn, FIG. 6 is explanatory drawing which shows the flexibility of the coupling member of this invention.
図１〜３において、（１）は取付本体であり、該取付本体（１）は金属製で角筒状に形成し、この角筒状の胴部が可撓性を有している。この取付本体（１）を角筒状に形成するには、細長金属板を略コの字状に折曲した２つの取付片（11）,(12)を、その互いの端面部（11a）,(12a)を直交させ重合することにより、周部を一体化せず四角筒状に組合せている。そして、重合した両端面部（11a）,(12a)を連通するバカ穴（13）を穿設させている。このバカ穴（13）は予め両端面部（11a）,(12a)に穿設しておき、この状態で両端面部（11a）,(12a)を重合させてもよい。この組合せによる取付本体（１）においては、四角筒状の胴部は４枚の板状の脚部（11b）,(12b)で囲って構成されているため、各脚部（11b）,(12b)が可撓性を有し、衝撃時に取付本体（１）の両端から圧縮荷重が加わると、図６の如く取付本体（１）の胴部を構成する脚部（11b）,(12b)が撓み、衝撃を吸収する役目を成す。要するに、取付本体（１）は引張荷重に対しては撓むことなく強く、他方、圧縮荷重に対しては可撓性によるクッション性を有しているため、図４、５の如く、本発明の結合部材を装着させた保護部材（４）を構造物に強固に固着でき、保護部材（４）に衝撃が加った際には取付本体（１）がクッション性を発揮するのである。尚、取付本体（１）の材質は、鉄，ステンレスを含む金属であるが、特にはバネ鋼がよい。 1-3, (1) is an attachment main body, and this attachment main body (1) is made of metal and is formed in a rectangular tube shape, and this rectangular tube-shaped body portion is flexible. In order to form this mounting body (1) in the shape of a rectangular tube, two mounting pieces (11), (12) obtained by bending an elongated metal plate into a substantially U-shape are connected to each other's end surface (11a). , (12a) are orthogonal and polymerized so that the peripheral portions are not integrated but are combined into a square cylinder. And the fool hole (13) which connects the superposed both end surface parts (11a) and (12a) is made. This fool hole (13) may be previously drilled in both end surface portions (11a) and (12a), and the both end surface portions (11a) and (12a) may be superposed in this state. In the mounting body (1) by this combination, the square cylindrical body is surrounded by four plate-like legs (11b), (12b), so each leg (11b), ( 12b) is flexible, and when a compressive load is applied from both ends of the mounting body (1) during impact, the legs (11b), (12b) constituting the body of the mounting body (1) as shown in FIG. Will bend and absorb the impact. In short, the mounting body (1) is strong without being bent with respect to a tensile load, and has a cushioning property due to flexibility with respect to a compressive load. Therefore, as shown in FIGS. The protective member (4) to which the connecting member is attached can be firmly fixed to the structure, and when the shock is applied to the protective member (4), the mounting body (1) exhibits cushioning properties. The material of the mounting body (1) is a metal including iron and stainless steel, but spring steel is particularly preferable.
また、取付本体（１）の他端は、他の部材、例えば図１に示すように、ゴム製の保護部材（４）に埋設した丸棒状の補強材（５）に溶接するために、取付片（11）,(12)の脚部（11b）,(12b)のいずれか一方の長さを短くし、その短くした方の端部に円弧溝（11d）を形成すると、四角筒状の取付本体（１）の開口した他端が丸棒の補強材（５）で完全に閉じられ、ゴム製の保護部材（４）を成形する際に取付本体（１）内にゴム材が入らないで成形できる。尚、取付本体（１）の他端の形状は、上記円弧溝（11d）以外に、取付本体（１）の他端と固着する部材の形状に合せた形状とするのがよく、また、溶接による固着以外にネジで固着できる形状に他端を形成してもよい。 Further, the other end of the mounting body (1) is attached to be welded to another member, for example, a round bar-shaped reinforcing material (5) embedded in a rubber protective member (4) as shown in FIG. If the length of one of the legs (11b) and (12b) of the pieces (11) and (12) is shortened and an arc groove (11d) is formed at the shortened end, The other open end of the mounting body (1) is completely closed by the reinforcing material (5) of the round bar, and the rubber material does not enter the mounting body (1) when the rubber protective member (4) is molded. Can be molded. In addition, the shape of the other end of the mounting body (1) may be a shape matched to the shape of the member fixed to the other end of the mounting body (1) in addition to the arc groove (11d). The other end may be formed in a shape that can be fixed with a screw in addition to the fixing by.
（２）は四角または六角を含む角ナットであり、図１〜３に示した本実施形態では角ナット（２）が六角ナットを使用した場合の一例を示している。この角ナット（２）は、図１、２に示すように、四角筒状に組合せた取付本体（１）内で内側に重合した端面部（12a）と当接可能に、且つ、外側に重合した端面部（11a）を有する取付片（11）に係着させている。この状態においては、係着した六角ナット（２）により、両取付片（11）,(12)で組合された四角筒状の形状を保持し、また、六角ナット（２）も溶接等で固着する必要もなく、結合部材が安価にできる。 (2) is a square nut including a square or a hexagon, and in this embodiment shown in FIGS. 1 to 3, an example in which the square nut (2) uses a hexagon nut is shown. As shown in FIGS. 1 and 2, the square nut (2) can come into contact with the end face portion (12a) superposed on the inside in the mounting body (1) combined in a square tube shape and is superposed on the outside. The end piece (11a) is attached to the mounting piece (11). In this state, the attached hexagon nut (2) holds the square cylindrical shape combined with both mounting pieces (11) and (12), and the hexagon nut (2) is also fixed by welding or the like. There is no need to do this, and the connecting member can be made inexpensive.
この六角ナット（２）と取付本体（１）との係着は、図１、２に示すように、通常は六角ナット（２）の上下角が取付片（11）の角穴（11c）に遊嵌し、六角ナット（２）を取付本体（１）に係着しているが、六角ナット（２）がネジ棒（３）と螺合した状態においては、取付本体（１）の軸方向に一定以上の力が加わると、六角ナット（２）が角穴（11c）から外れるようにしている。つまり、図２の如く、角穴（11c）に挿入された六角ナット（２）の角面が面取りされているため、六角ナット（２）が取付片（11）を押し広げて取付本体（１）の内部中央に移動できるのである。 As shown in FIGS. 1 and 2, the hexagon nut (2) is normally attached to the square hole (11 c) of the mounting piece (11). The hex nut (2) is engaged with the mounting body (1) by loose fitting, but when the hex nut (2) is screwed with the screw rod (3), the axial direction of the mounting body (1) When a force exceeding a certain level is applied to the hexagonal nut (2), the hexagon nut (2) is detached from the square hole (11c). That is, as shown in FIG. 2, since the square face of the hexagon nut (2) inserted into the square hole (11c) is chamfered, the hexagon nut (2) spreads the attachment piece (11) and expands the attachment body (1 ).
この六角ナット（２）の移動は、例えば、一定厚さでゴム製の保護部材（４）に本発明の結合部材を取付ける際に、図５に示すように、保護部材（４）の裏面（4a）から取付本体（１）の端面部（11a）を凹ませて取付け、これを、コンクリート等の構造物の表面にネジ棒（３）で固着すると、取付本体（１）が構造物と当接せずに間隔を生じている。この状態で保護部材（４）に岩石や流木等による衝撃が加わると、その衝撃力で取付本体（１）が押され、六角ナットと角穴（11c）との係合が外れ、取付本体（１）が移動し端面部（11a）を構造物に当接し、これにより、取付本体（１）には両端に圧縮荷重が加わり、図６の如く取付本体（１）は撓む。従って、衝撃を受けた際に取付本体（１）は撓むこと以外に、移動して衝撃荷重を吸収できるのである。 For example, when the coupling member of the present invention is attached to the rubber protective member (4) with a constant thickness, the hexagon nut (2) moves as shown in FIG. 4a), the end surface (11a) of the mounting body (1) is recessed and mounted. When this is fixed to the surface of a structure such as concrete with a screw rod (3), the mounting body (1) is brought into contact with the structure. There is an interval without touching. In this state, when impact is applied to the protective member (4) by rocks, driftwood or the like, the mounting body (1) is pushed by the impact force, and the engagement between the hexagon nut and the square hole (11c) is released, and the mounting body ( 1) moves and abuts the end surface portion (11a) against the structure, whereby a compressive load is applied to both ends of the mounting body (1), and the mounting body (1) bends as shown in FIG. Therefore, the mounting body (1) can move and absorb the impact load in addition to bending when receiving an impact.
本発明は、上記したゴム製の保護部材（４）をコンクリート構造物に結合する以外に、衝撃を吸収する部材、例えば道路のガードレールを支持部材に取付ける結合部材として利用可能である。 INDUSTRIAL APPLICABILITY The present invention can be used as a coupling member for attaching an impact absorbing member, for example, a road guard rail to a support member, in addition to coupling the rubber protective member (4) to a concrete structure.
１ 取付本体
２ 角ナット
11,12 取付片
11a,12a 端面部
11b,12b 脚部
11c 角穴
11d 円弧溝
1 Mounting body 2 Square nut
11,12 Mounting piece
11a, 12a End face
11b, 12b Leg
11c square hole
11d circular groove
Claims (3)
The length of one of the legs (11b) and (12b) of the mounting pieces (11) and (12) is made shorter than the other, and an arc groove (11d) is formed at the end thereof. The impact-resistant coupling member according to claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007194466A JP4667429B2 (en) | 2007-07-26 | 2007-07-26 | Impact resistant joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007194466A JP4667429B2 (en) | 2007-07-26 | 2007-07-26 | Impact resistant joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009030301A JP2009030301A (en) | 2009-02-12 |
| JP4667429B2 true JP4667429B2 (en) | 2011-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007194466A Expired - Fee Related JP4667429B2 (en) | 2007-07-26 | 2007-07-26 | Impact resistant joint |
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| JP (1) | JP4667429B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960411A (en) * | 2022-06-24 | 2022-08-30 | 桂林理工大学 | Pier anti-collision system based on integral tensioning structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0627927U (en) * | 1992-09-21 | 1994-04-15 | 株式会社ブリヂストン | Flexible membrane weir installation protection structure |
| JP2003239256A (en) * | 2002-02-13 | 2003-08-27 | Takamura Sogyo Kk | Rubber-made impact resisting residual form |
| JP2007002518A (en) * | 2005-06-23 | 2007-01-11 | Nippon Steel Metal Prod Co Ltd | Steel frame structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2573626B2 (en) * | 1987-06-19 | 1997-01-22 | シバタ工業株式会社 | Debris flow buffer structure |
| JP3596648B2 (en) * | 1996-12-16 | 2004-12-02 | シバタ工業株式会社 | Structure protection structure and joint protection material |
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2007
- 2007-07-26 JP JP2007194466A patent/JP4667429B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0627927U (en) * | 1992-09-21 | 1994-04-15 | 株式会社ブリヂストン | Flexible membrane weir installation protection structure |
| JP2003239256A (en) * | 2002-02-13 | 2003-08-27 | Takamura Sogyo Kk | Rubber-made impact resisting residual form |
| JP2007002518A (en) * | 2005-06-23 | 2007-01-11 | Nippon Steel Metal Prod Co Ltd | Steel frame structure |
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| JP2009030301A (en) | 2009-02-12 |
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