JP3894934B2 - Anchor bolt device - Google Patents

Anchor bolt device Download PDF

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Publication number
JP3894934B2
JP3894934B2 JP2004289084A JP2004289084A JP3894934B2 JP 3894934 B2 JP3894934 B2 JP 3894934B2 JP 2004289084 A JP2004289084 A JP 2004289084A JP 2004289084 A JP2004289084 A JP 2004289084A JP 3894934 B2 JP3894934 B2 JP 3894934B2
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rod
anchor bolt
shaped body
foundation
bolt device
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JP2006104679A (en
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富士男 板垣
淳 板垣
茂良 平田
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Daiwa House Industry Co Ltd
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Daiwa House Industry Co Ltd
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Description

本発明は、基礎上に建築物や土木構造物等の構造物を固定するためのアンカーボルト装置に関し、より詳しくは構造物の築造後において容易に沈下修正を行うことのできるアンカーボルト装置に関する。   The present invention relates to an anchor bolt device for fixing a structure such as a building or a civil engineering structure on a foundation, and more particularly to an anchor bolt device that can easily perform subsidence correction after the structure is built.

従来の構造物における基礎用のアンカーボルトは、少なくとも上部に雄ねじが形成され、基部が基礎中に埋め込まれて上端部が基礎の上面から突出するように設けられるのが一般的であり、構造物の土台構造体にあけた孔をアンカーボルトに嵌めてアンカーボルトにナットを螺合せしめ、土台構造体を基礎上に固定するのに用いられる。   An anchor bolt for a foundation in a conventional structure is generally provided such that a male screw is formed at least on the top, a base is embedded in the foundation, and an upper end protrudes from the upper surface of the foundation. The base structure is used to fix the base structure on the foundation by fitting a hole drilled in the base structure into the anchor bolt and screwing the nut into the anchor bolt.

ところで、構造物まわりの地盤の沈下や地下水位の変動によって構造物が傾いた場合、構造物の土台構造体等の所要箇所をジャッキアップして構造物を水平に戻し、この水平に戻した状態で基礎部分の補修を行う沈下修正工法が広く行われており、この沈下修正において土台構造体を容易に高さ調節できるようにした伸縮式のアンカーボルトがある(例えば、特許文献1参照)。   By the way, when the structure tilts due to ground subsidence around the structure or changes in the groundwater level, jack up the required parts such as the base structure of the structure and return the structure to the horizontal state. In this subsidence correction, there is a telescopic anchor bolt that can easily adjust the height of the foundation structure (see, for example, Patent Document 1).

上述した沈下修正においては、地盤の不等沈下に伴って基礎が傾斜するが、アンカーボルトも基礎とともに傾斜して鉛直軸からずれるので、構造物を正確に固定することができなくなる。   In the subsidence correction described above, the foundation tilts with the uneven settlement of the ground, but the anchor bolt also tilts with the foundation and deviates from the vertical axis, so the structure cannot be fixed accurately.

したがって、従来は修正すべき高さが大である場合や傾斜角度が大である場合には、まずアンカーボルトから土台構造体を外し、その後アンカーボルトを一旦切断して基礎から上方へ延びる部分を鉛直に修正して溶接を行い、この修正後のアンカーボルトに土台構造体を取り付けてアンカーボルトに沿って構造物を沈下修正している。   Therefore, in the past, when the height to be corrected is large or the inclination angle is large, the base structure is first removed from the anchor bolt, and then the anchor bolt is cut once and the portion extending upward from the foundation is removed. The vertical correction is performed for welding, and the base structure is attached to the anchor bolt after the correction, and the structure is subsidized along the anchor bolt.

しかし、上述した溶接によるアンカーボルトの傾き修正は、現場での作業となるため施工が天候に左右されたり、溶接の精度を十分には確保できなかったり、溶接の際に生じる火花が火災の原因となり得たりというような問題があって、作業には熟練技術と長年の経験が必要になり、したがっていきおい施工コストが嵩む。
特開2002−371633(第1〜7頁、図1〜25)
However, the above-mentioned anchor bolt tilt correction by welding is an on-site operation, so the construction depends on the weather, the welding accuracy cannot be ensured sufficiently, or sparks generated during welding cause fire. There is a problem that it can become a problem, and skilled work and years of experience are required for the work, and therefore, the construction cost increases.
JP-A-2002-371633 (pages 1-7, FIGS. 1-25)

本発明の目的とするところは、構造物の沈下修正を安全、正確かつ容易に行うことができ、しかも構造が簡単で低コストに製造でき、しかも十分な強度を有するアンカーボルト装置を提供することにある。   An object of the present invention is to provide an anchor bolt device that can safely, accurately, and easily correct the settlement of a structure, that is simple in structure, can be manufactured at low cost, and that has sufficient strength. It is in.

上記目的を達成するために、本発明の請求項1に係るアンカーボルト装置は、基礎上に構造物を固定するアンカーボルトであって、基礎側に固定される下部棒状体と、構造物が取り付けられる上部棒状体とを備え、下部棒状体と上部棒状体との間に、下部棒状体の軸線に対して上部棒状体の軸線を傾斜可能に接続する関節部を有し、この関節部は、前記下部棒状体の上端に取り付けたカップ状の受け部材と、前記上部棒状体の下端に設けた球状部と、この球状部を受け部材内から脱落しないように保持するための抜け止め部材とよりなる球関節で構成したものとしてある。 In order to achieve the above object, an anchor bolt device according to claim 1 of the present invention is an anchor bolt for fixing a structure on a foundation, and a lower rod-like body fixed on the foundation side and the structure are attached. An upper rod-shaped body, and has a joint between the lower rod-shaped body and the upper rod-shaped body so that the axis of the upper rod-shaped body can be inclined with respect to the axis of the lower rod-shaped body . A cup-shaped receiving member attached to the upper end of the lower rod-shaped body, a spherical portion provided at the lower end of the upper rod-shaped body, and a retaining member for holding the spherical portion so as not to fall out of the member. It consists of a ball joint .

本発明の請求項2に係るアンカーボルト装置は、前記上部棒状体は外周面に雄ねじ部が形成されているとともに、この雄ねじ部に螺合する上下のナットを備え、構造物の土台構造体にあけた孔を上部棒状体に嵌めて土台構造体を上下のナットで挟み込んで固定するようにした構成のものとしてある。   In the anchor bolt device according to claim 2 of the present invention, the upper rod-shaped body has a male threaded portion formed on the outer peripheral surface thereof, and includes upper and lower nuts that are screwed into the male threaded portion. The structure is such that the drilled hole is fitted to the upper rod-shaped body and the base structure is sandwiched and fixed by upper and lower nuts.

本発明の請求項3に係るアンカーボルト装置は、前記下部棒状体は、この下部棒状体を内部に収容できる筒体を備え、この筒体が前記基礎内に固定されるように構成したものと してある。   In the anchor bolt device according to claim 3 of the present invention, the lower rod-shaped body includes a cylindrical body that can accommodate the lower rod-shaped body therein, and the cylindrical body is configured to be fixed in the foundation. It is.

本発明の請求項4に係るアンカーボルト装置は、前記下部棒状体は外周面に雄ねじ部を有するとともに、前記筒体の内周面に下部棒状体の雄ねじ部に螺合する雌ねじ部を有し、下部棒状体を正逆回動せしめることにより、下部棒状体が上部棒状体とともに前記筒体に対して昇降できるように構成したものとしてある。   In the anchor bolt device according to claim 4 of the present invention, the lower rod-shaped body has a male screw portion on the outer peripheral surface, and a female screw portion that is screwed to the male screw portion of the lower rod-shaped body on the inner peripheral surface of the cylindrical body. The lower rod-like body can be moved up and down with respect to the cylindrical body together with the upper rod-like body by rotating the lower rod-like body forward and backward.

本発明の請求項5に係るアンカーボルト装置は、前記関節部の受け部材と抜け止め部材が雌雄のねじによって係合するように構成したものとしてある。 The anchor bolt device according to claim 5 of the present invention is configured such that the receiving member and the retaining member of the joint portion are engaged by male and female screws .

本発明によれば、構造物の沈下修正によって基礎が傾斜していても、基礎から上方に突出する上部棒状体を正確に鉛直とすることができ、しかも従来の沈下修正のようにアンカーボルトの切断や現場溶接等の煩雑かつ熟練を要する作業が不要となり、沈下修正作業を安全、正確かつ容易に行うことができ、さらに構造が簡単で低コストに製造でき、しかも十分な強度を得ることができる。   According to the present invention, even if the foundation is inclined due to the subsidence correction of the structure, the upper rod-like body protruding upward from the base can be accurately made vertical, and the anchor bolt can be fixed like the conventional subsidence correction. Complex and skillful work such as cutting and field welding is no longer necessary, subsidence correction work can be performed safely, accurately and easily, and the structure is simple and can be manufactured at low cost, and sufficient strength can be obtained. it can.

また、上下の棒状体を昇降できる構造のものは、下部構造体を構造物の土台構造体を上部棒状体から取り外すことなく取り付けたままで土台構造体を昇降せしめて沈下修正を行うことができ、沈下修正の施工を迅速かつ安全に行うことができる。   In addition, the structure that can move the upper and lower bar-like bodies up and down can correct the settlement by raising and lowering the base structure while attaching the lower structure without removing the base structure of the structure from the upper bar-like body, Subsidence correction work can be performed quickly and safely.

以下、本発明に係るアンカーボルト装置の実施例を添付図面に示す具体例に基づいて詳細に説明する。
筒体1は下端が基板2で塞がれ、開口上端にナット3が固定されたものとしてあって、この筒体1のナットにアンカーボルト本体4が螺合されている。
Embodiments of the anchor bolt device according to the present invention will be described below in detail based on specific examples shown in the accompanying drawings.
The cylindrical body 1 has a lower end covered with a substrate 2 and a nut 3 fixed to the upper end of the opening. An anchor bolt body 4 is screwed into the nut of the cylindrical body 1.

より詳しくは、上記アンカーボルト本体4は上部棒状体5と下部棒状体6とが関節部7を介して接続されたものとしてあって、下部棒状体6の外周面に形成した雄ねじ8が前記ナット3内周面の雌ねじと螺合している。
なお、上記ナット3の雌ねじと下部棒状体の雄ねじ8は耐荷重性の高い台形ねじとするのが望ましい。
More specifically, the anchor bolt main body 4 has an upper rod-like body 5 and a lower rod-like body 6 connected to each other via a joint portion 7, and a male screw 8 formed on the outer peripheral surface of the lower rod-like body 6 includes the nut. 3 It is screwed with the internal thread of the inner peripheral surface.
The female screw of the nut 3 and the male screw 8 of the lower rod-shaped body are preferably trapezoidal screws with high load resistance.

また、前記上部棒状体5の外周面にはメートルねじ等の雄ねじ9が形成されていて、この雄ねじに上部ナット10、下部ナット11がそれぞれ螺合されていて、上下のナット間に上下の座金12、13を介して構造物の土台構造体14を挟み込んで固定するようになっている。   Further, a male screw 9 such as a metric screw is formed on the outer peripheral surface of the upper rod-like body 5, and an upper nut 10 and a lower nut 11 are respectively screwed into the male screw, and upper and lower washers are disposed between the upper and lower nuts. The base structure 14 of the structure is sandwiched and fixed via 12 and 13.

しかして、前記関節部7は図2に示されるように、前記下部棒状体6の上端に固設したカップ状の受け部材15と、前記上部棒状体5の下端に設けた球状部16と、この球状部が受け部材内から脱落しないように保持するための抜け止め部材17とで球関節を構成するものとしてあって、上部棒状体5は下部棒状体の中心軸線まわりに全周方向へ角度αの傾斜ができるようになっており、かつ上部棒状体は下部棒状体に対して軸線まわりにフリーに回動できるようになっている。   As shown in FIG. 2, the joint portion 7 includes a cup-shaped receiving member 15 fixed to the upper end of the lower rod-shaped body 6, a spherical portion 16 provided at the lower end of the upper rod-shaped body 5, and A ball joint is constituted by a retaining member 17 for holding the spherical portion so as not to drop out of the receiving member, and the upper bar 5 is angled around the central axis of the lower bar in the entire circumferential direction. α can be inclined, and the upper bar can rotate freely around the axis with respect to the lower bar.

上記上部棒状体の傾斜角度αは、例えば最大で3°程度となるように設定しておくのが好ましく、この最大傾斜角度の上限は5°程度としておき、関節部に過大な荷重が掛からないようにする。   The inclination angle α of the upper bar is preferably set to be, for example, about 3 ° at the maximum, and the upper limit of the maximum inclination angle is set to about 5 ° so that an excessive load is not applied to the joint portion. Like that.

そして前記関節部7の構造を具体的に説明すると、受け部材15は内周面に雌ねじ15aを有するとともに外周面にこの受け部材を回動させるための治具と係合させる平坦面15b、15bを有し、さらに内底面に前記球状部16の外面に倣い、この球状部を支持する凹面15cを有している。   The structure of the joint portion 7 will be described in detail. The receiving member 15 has a female screw 15a on the inner peripheral surface, and flat surfaces 15b and 15b engaged with a jig for rotating the receiving member on the outer peripheral surface. Further, the inner bottom surface has a concave surface 15c that follows the outer surface of the spherical portion 16 and supports the spherical portion.

また、抜け止め部材17は筒状にして、外周面に前記受け部材の雌ねじ15aと螺合するねじ17aを有するとともに、開口上端に外向きフランジ17bを備え、この外向きフランジの外周面に、抜け止め部材を受け部材内に取り付けるための治具と係合させる平坦面17c、17cを有している。
Also, retaining member 17 is in the cylindrical shape, and has a female screw 15a screwed to the male screw 17a of the receiving member to the outer peripheral surface, provided with an outward flange 17b in the upper opening end, the outer peripheral surface of the outward flange And a flat surface 17c for engaging with a jig for mounting the retaining member in the receiving member.

上述のように構成した本発明のアンカーボルト装置は、使用状態においては図3に示されるように筒体1を構造物の基礎18内に固定し、下部の座金13よりも上の上部棒状体5の部分が基礎上面よりも上方に突出するように設けられる。
したがって、関節部7および下部ナット11、下部座金13は基礎の凹部18a内に収容される。
なお、筒体は基礎18内に配設された筋材(図示省略)に、溶接等の固定手段で強固に固定しておく。
As shown in FIG. 3, the anchor bolt device of the present invention configured as described above fixes the cylindrical body 1 in the foundation 18 of the structure as shown in FIG. 3, and is an upper bar-like body above the lower washer 13. 5 part is provided so that it may protrude above a base upper surface.
Therefore, the joint 7, the lower nut 11, and the lower washer 13 are accommodated in the recess 18 a of the foundation.
The cylindrical body is firmly fixed to a reinforcing material (not shown) disposed in the foundation 18 by fixing means such as welding.

しかして、構造物の沈下修正を行なう際には、関節部7の受け部材15の平坦面15b、15bに適宜の治具を係合せしめてこの受け部材を正逆回動させることにより、下部棒状体6を正逆回動させて、アンカーボルト本体4を筒体1に対して所要の位置まで昇降させる。   When the settlement of the structure is corrected, an appropriate jig is engaged with the flat surfaces 15b, 15b of the receiving member 15 of the joint portion 7, and the receiving member is rotated forward and backward to form a lower bar shape. The body 6 is rotated forward and backward to raise and lower the anchor bolt main body 4 to a required position with respect to the cylinder 1.

この際、下部棒状体6は軸回りに回動させられるが、下部棒状体と上部棒状体との間には関節部7が介在しているので、上部棒状体は回転しない。
したがって、上部棒状体は構造物の土台構造体14が固定されたままの状態としておくことができ、アンカーボルト装置から土台構造体を取り外す必要がなく、安全かつ迅速に沈下修正を行なうことができるという極めて大なるメリットがある。
At this time, the lower rod-shaped body 6 is rotated around the axis, but the joint portion 7 is interposed between the lower rod-shaped body and the upper rod-shaped body, so that the upper rod-shaped body does not rotate.
Therefore, the upper bar-like body can be left in a state where the base structure 14 of the structure is fixed, and it is not necessary to remove the base structure from the anchor bolt device, and the settlement can be corrected safely and quickly. There is an extremely great advantage.

ところで、構造物が不等沈下した状態では基礎にも傾きが生じており、沈下修正によって構造物が水平に戻されても基礎は傾いたままであり、この基礎に固定された筒体1および下部棒状体6もまた基礎とともに傾いている。   By the way, when the structure is sunk unevenly, the foundation is also inclined, and the foundation remains inclined even when the structure is returned to the horizontal level by the settlement correction. The rod 6 is also tilted with the foundation.

しかし、土台構造体14が取り付けられた上部棒状体5は関節部7を介して筒体に対して傾斜可能となっているので、図4に示されるように筒体1が傾斜していても構造物が水平に戻されれば鉛直となり、構造物を正確かつ確実に支持することができる。   However, since the upper bar-like body 5 to which the base structure 14 is attached can be inclined with respect to the cylinder via the joint portion 7, even if the cylinder 1 is inclined as shown in FIG. If the structure is returned to a horizontal position, the structure becomes vertical, and the structure can be supported accurately and reliably.

なお、沈下量が大であって下部棒状体の長さが不足するような場合には、下部棒状体を筒体1から抜き出し、下部棒状体の下端に雌ねじ筒によって延長用棒状体を接続し、この延長用棒状体を筒体1のナット3に螺合せしめる。このように下部棒状体と延長用棒状体とを雌ねじ筒で接続すれば、現場溶接が不要となり、しかも充分な信頼性が得られる。   When the amount of subsidence is large and the length of the lower bar is insufficient, the lower bar is pulled out from the cylinder 1 and an extension bar is connected to the lower end of the lower bar by a female screw cylinder. The extension rod-like body is screwed onto the nut 3 of the cylinder 1. In this way, if the lower rod-like body and the extension rod-like body are connected by the female screw cylinder, on-site welding is not required, and sufficient reliability can be obtained.

上述した実施例のものでは、関節部7を基礎の凹部18aに収容する構成としてあるが、基礎を上面が平坦なもので構成し、関節部が基礎上面より上方に突出するように設ける場合もあり、この場合には基礎上面と土台構造体の間に生じる隙間に適宜のスペーサを介設する。なお、土台構造体はアンカーボルト装置によって堅固に支持されるので、上記スペーサには樹脂製の波板のような荷重に対する支持力に乏しい材質のものを使用することができる。   In the above-described embodiment, the joint portion 7 is configured to be accommodated in the recess 18a of the foundation, but the foundation may be configured with a flat upper surface and the joint portion may be provided so as to protrude upward from the upper surface of the foundation. In this case, an appropriate spacer is interposed in the gap generated between the upper surface of the foundation and the base structure. Since the base structure is firmly supported by the anchor bolt device, the spacer can be made of a material having a poor support force against a load such as a resin corrugated plate.

また、上述した実施例では関節部7を球関節で構成してあるが、上下の棒状体間に所要の傾斜を付与できる構成の関節であれば、球関節に代えて他の2軸関節や1軸関節で構成する場合もある。   In the above-described embodiment, the joint portion 7 is constituted by a ball joint. However, if the joint is configured to be able to give a required inclination between the upper and lower rod-shaped bodies, other biaxial joints or There may be a case of a single axis joint.

さらに、筒体1は上端にナット3を設けたものではなく筒体内面に雌ねじを有する雌ねじ筒で構成する場合もある。
また、筒体1内部の雌ねじもナット3も設けず、単に筒体内に下部棒状体を挿入するだけの構造とする場合もあり、この場合には下部棒状体の外周にも雄ねじを設ける必要がなく、アンカーボルト本体4の上下位置を調節する際には図5に示されるように筒体内に所要長さに切断したピース19を挿入してこのピース上に下部棒状体を載せるようにする場合もある。
Further, the cylinder 1 may be constituted by an internal thread cylinder having an internal thread on the inner surface of the cylinder, instead of the nut 3 provided at the upper end.
Further, there may be a structure in which neither the internal thread nor the nut 3 inside the cylindrical body 1 is provided, and the lower rod-shaped body is simply inserted into the cylindrical body. In this case, it is necessary to provide external threads on the outer periphery of the lower rod-shaped body If the vertical position of the anchor bolt body 4 is adjusted, as shown in FIG. 5, a piece 19 cut to a required length is inserted into the cylinder and the lower rod-like body is placed on the piece. There is also.

さらに、アンカーボルト本体の昇降が不要である場合には、筒体1を設けず、下部棒状体6を基礎内に直接固定する場合もある。   Furthermore, when it is not necessary to raise and lower the anchor bolt body, the lower rod 6 may be directly fixed in the foundation without providing the cylinder 1.

本発明に係る装置の実施例を一部破断して示す正面図。The front view which shows the Example of the apparatus based on this invention partially fractured | ruptured. 関節部の断面図。Sectional drawing of a joint part. 使用状態の一例を示す正面図。The front view which shows an example of a use condition. 沈下修正施工時の状態を示す正面図。The front view which shows the state at the time of subsidence correction construction. 本発明に係る装置の他の実施例を示す要部拡大断面図。The principal part expanded sectional view which shows the other Example of the apparatus which concerns on this invention.

符号の説明Explanation of symbols

1 筒体 2 基板
3 ナット 4 アンカーボルト本体
5 上部棒状体 6 下部棒状体
7 関節部 8 雄ねじ
9 雄ねじ 10 上部ナット
11 下部ナット 12 上部座金
13 下部座金 14 土台構造体
15 受け部材 16 球状部
17 抜け止め部材 18 基礎
19 ピース
DESCRIPTION OF SYMBOLS 1 Tubular body 2 Board | substrate 3 Nut 4 Anchor bolt main body 5 Upper rod-shaped body 6 Lower rod-shaped body 7 Joint part 8 Male screw 9 Male screw 10 Upper nut 11 Lower nut 12 Upper washer 13 Lower washer 14 Base structure 15 Receiving member 16 Spherical part 17 Pull-out Stopping member 18 foundation 19 pieces

Claims (5)

基礎上に構造物を固定するアンカーボルトであって、基礎側に固定される下部棒状体と、構造物が取り付けられる上部棒状体とを備え、下部棒状体と上部棒状体との間に、下部棒状体の軸線に対して上部棒状体の軸線を傾斜可能に接続する関節部を有し、この関節部は、前記下部棒状体の上端に取り付けたカップ状の受け部材と、前記上部棒状体の下端に設けた球状部と、この球状部を受け部材内から脱落しないように保持するための抜け止め部材とよりなる球関節で構成してなるアンカーボルト装置。 An anchor bolt for fixing a structure on a foundation, comprising a lower rod-like body fixed to the foundation side and an upper rod-like body to which the structure is attached, and a lower portion between the lower rod-like body and the upper rod-like body. There is a joint part that connects the axis of the upper bar to the axis of the bar so that the axis of the upper part can be inclined, and the joint includes a cup-shaped receiving member attached to the upper end of the lower bar, and the upper bar An anchor bolt device configured by a spherical joint including a spherical portion provided at a lower end and a retaining member for holding the spherical portion so as not to drop out of the member . 前記上部棒状体は外周面に雄ねじ部が形成されているとともに、この雄ねじ部に螺合する上下のナットを備え、構造物の土台構造体にあけた孔を上部棒状体に嵌めて土台構造体を上下のナットで挟み込んで固定するようにした請求項1に記載のアンカーボルト装置。   The upper rod-shaped body has a male screw portion formed on the outer peripheral surface, and includes upper and lower nuts that are screwed into the male screw portion, and a hole formed in the base structure body of the structure is fitted into the upper rod-shaped body to form a base structure body The anchor bolt device according to claim 1, wherein the nut is sandwiched and fixed by upper and lower nuts. 前記下部棒状体は、この下部棒状体を内部に収容できる筒体を備え、この筒体が前記基礎内に固定されるように構成してなる請求項1に記載のアンカーボルト装置。   2. The anchor bolt device according to claim 1, wherein the lower rod-shaped body includes a cylindrical body that can accommodate the lower rod-shaped body therein, and the cylindrical body is configured to be fixed in the foundation. 前記下部棒状体は外周面に雄ねじ部を有するとともに、前記筒体の内周面に下部棒状体の雄ねじ部に螺合する雌ねじ部を有し、下部棒状体を正逆回動せしめることにより、下部棒状体が上部棒状体とともに前記筒体に対して昇降できるように構成してなる請求項3に記載のアンカーボルト装置。   The lower rod-shaped body has a male screw portion on the outer peripheral surface and a female screw portion screwed into the male screw portion of the lower rod-shaped body on the inner peripheral surface of the cylindrical body, and by rotating the lower rod-shaped body forward and backward, The anchor bolt device according to claim 3, wherein the lower rod-like body is configured to be able to move up and down with respect to the cylindrical body together with the upper rod-like body. 前記関節部の受け部材と抜け止め部材が雌雄のねじによって係合するように構成してなる請求項1に記載のアンカーボルト装置。 The anchor bolt device according to claim 1, wherein the joint member receiving member and the retaining member are engaged with each other by male and female screws .
JP2004289084A 2004-09-30 2004-09-30 Anchor bolt device Expired - Fee Related JP3894934B2 (en)

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Application Number Priority Date Filing Date Title
JP2004289084A JP3894934B2 (en) 2004-09-30 2004-09-30 Anchor bolt device

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JP2006104679A JP2006104679A (en) 2006-04-20
JP3894934B2 true JP3894934B2 (en) 2007-03-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6300622B2 (en) * 2014-04-25 2018-03-28 三井ホーム株式会社 Anchor unit, anchor structure and horizontal restoration method
JP6918396B1 (en) * 2021-05-26 2021-08-11 株式会社 ホームリサーチ Restoration equipment for the foundation of the building

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