Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
FASTENING TYPE ANCHOR AND CONSTRUCTION METHOD THEREOF
To prevent a tapered bolt and a spreading member from idling and a nut and the tapered bolt from corotating from the beginning of fastening operation on the nut.SOLUTION: The present invention relates to a fastening type anchor 1 that comprises: a tapered bolt 2 which is provided with a small-diameter part 22 and a tapered part 24 in order in front of a shaft part 21, and also provided with a male screw part 25 behind the shaft part 21; a spreading member 3 which has spreading blades 31 spreading as the tapered part 24 is drawn in, is formed while sectioned by axially extending groove parts, and is fitted around the small-diameter part 22 and also in friction contact with a drilled hole 11 of a concrete skeleton 10; and a nut such as a lock nut 4 threadedly engaged with the male screw part 25, wherein an engagement groove 26 which extends axially is formed in a tapered surface 241 of the tapered part 24, and an inward projection 35 provided at a front end part of the spreading member 31 is engaged with the engagement groove 26 in a state where the spreading blade 31 is not spread.SELECTED DRAWING: Figure 4
【課題】ナットの締付動作の初期からテーパボルトと拡開部材の空回り、ナットとテーパボルトの共回りを防止できる。【解決手段】軸部２１の前側に小径部２２とテーパ部２４が順に設けられ、軸部２１の後側に雄ねじ部２５が設けられているテーパボルト２と、テーパ部２４の引き込みに応じて拡開する拡開羽根３１が軸方向に延びる溝部で区分されて形成され、小径部２２に外嵌されていると共にコンクリート躯体１０の削孔１１に摩擦接触する拡開部材３と、雄ねじ部２５に螺合される緩み止めナット４等のナットを備える締付式アンカー１であり、テーパ部２４のテーパ面２４１に軸方向に延びる係合溝２６が形成され、拡開羽根３１の非拡開状態において、拡開部材３１の前端部に設けられた内方突起３５が係合溝２６に係合されている。【選択図】図４
FASTENING TYPE ANCHOR AND CONSTRUCTION METHOD THEREOF
To prevent a tapered bolt and a spreading member from idling and a nut and the tapered bolt from corotating from the beginning of fastening operation on the nut.SOLUTION: The present invention relates to a fastening type anchor 1 that comprises: a tapered bolt 2 which is provided with a small-diameter part 22 and a tapered part 24 in order in front of a shaft part 21, and also provided with a male screw part 25 behind the shaft part 21; a spreading member 3 which has spreading blades 31 spreading as the tapered part 24 is drawn in, is formed while sectioned by axially extending groove parts, and is fitted around the small-diameter part 22 and also in friction contact with a drilled hole 11 of a concrete skeleton 10; and a nut such as a lock nut 4 threadedly engaged with the male screw part 25, wherein an engagement groove 26 which extends axially is formed in a tapered surface 241 of the tapered part 24, and an inward projection 35 provided at a front end part of the spreading member 31 is engaged with the engagement groove 26 in a state where the spreading blade 31 is not spread.SELECTED DRAWING: Figure 4
【課題】ナットの締付動作の初期からテーパボルトと拡開部材の空回り、ナットとテーパボルトの共回りを防止できる。【解決手段】軸部２１の前側に小径部２２とテーパ部２４が順に設けられ、軸部２１の後側に雄ねじ部２５が設けられているテーパボルト２と、テーパ部２４の引き込みに応じて拡開する拡開羽根３１が軸方向に延びる溝部で区分されて形成され、小径部２２に外嵌されていると共にコンクリート躯体１０の削孔１１に摩擦接触する拡開部材３と、雄ねじ部２５に螺合される緩み止めナット４等のナットを備える締付式アンカー１であり、テーパ部２４のテーパ面２４１に軸方向に延びる係合溝２６が形成され、拡開羽根３１の非拡開状態において、拡開部材３１の前端部に設けられた内方突起３５が係合溝２６に係合されている。【選択図】図４
FASTENING TYPE ANCHOR AND CONSTRUCTION METHOD THEREOF
締付式アンカー及びその施工方法
YAMADA MASATO (Autor:in) / KUBOTA YOICHI (Autor:in) / NOMURA NOBUO (Autor:in)
27.06.2024
Patent
Elektronische Ressource
Japanisch
IPC:
F16B
DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES
,
Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile
/
E04B
Allgemeine Baukonstruktionen
,
GENERAL BUILDING CONSTRUCTIONS
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