JP3823035B2

JP3823035B2 - Drilling machine for concrete slope reinforcement anchors

Info

Publication number: JP3823035B2
Application number: JP2001261920A
Authority: JP
Inventors: 国雄石井
Original assignee: 国雄石井
Priority date: 2001-08-30
Filing date: 2001-08-30
Publication date: 2006-09-20
Anticipated expiration: 2021-08-30
Also published as: JP2003074282A

Description

【０００１】
【発明の目的】
この発明は、山を切り通して形成された道路脇の山肌や、海や河川およびダム等の護岸用、あるいは比較的平坦な地面に施されたコンクリート法面を補強するためのアンカー工の施工技術に関し、特に、小人数によって効率的に穿孔作業を行うことのできる新規な構造のコンクリート法面補強アンカー用穿孔機を提供しようとするものである。
【０００２】
【従来の技術】
道路やトンネル、海、河川、ダムの護岸等のために人工的に形成された法面は、適正な設計と施工とによって築造されていたとしても、長年に渡っての雨水や流水による浸食、風化、凍結および融解、あるいは地殻変動等、様々な自然現象によって地質や法面の実態が次第に変化し、コンクリート法面と地盤との間に剥離現象を生じてしまって期待される強度が得られなくなり、土砂の流出や崩落、ひいては法面全体の崩壊に通じてしまう虞れがあり、こうした法面の改善、安定化を図るためには、法面整形工として、改めて法面を整形し直すか、もしくは、アンカー工を実施し、法面の緊張、定着を図る必要性が生じてくる。
【０００３】
一般に、コンクリート法面強化構造としては、その強度を確保するための格子状のコンクリート法枠が形成されており、比較的強度の高いコンクリート法枠の交叉部分に地中所定深さに達する孔を空け、所定のアンカー部材を挿入してからモルタルを注入し、該アンカー部材でコンクリート法枠を地中岩盤に支持されるようにするアンカー工が採用される。
この法面のアンカー工における傾斜面への穿孔作業は、既に実用化されている特開平９−３１６８８４号公報に開示されたアンカー埋入穴穿孔装置や、特開平１１−１１７３０７号公報に示されたコンクリート法面補強アンカー用穿孔機等を使用することにより、手持ち型の空気式削岩機を使用した作業に比較して遥かに安全且つ効率的に作業を進めることができることになる。
【０００４】
こうしたアンカー埋入穴穿孔装置やコンクリート法面補強アンカー用穿孔機等の導入により、コンクリート法面という傾斜面への穿孔作業を格段に効率化することができるようになってきてはいるものの、コンクリート法面上を移動させる場合に、クレーンによる吊上げ移動が必要であり、補助として付き添う人数も安全性を考慮すれば５〜１０人程度は必要となり、また、クレーン操作の僅かな誤りや、強風によって煽られた場合等には、コンクリート法面に穿孔機が接触して法面を傷付けてしまう虞れがあり、また、走行移動を補助するキャスターのような車輪を設けた場合であっても、クレーンによる牽引方向と、穿孔機の移動方向とを一致させるのが困難なため、移動中にキャスターが横ズレや引き摺り等を生じてしまうことがある上、複数箇所にアンカー工を施す際には、移動中に頻繁に方向転換をせざるを得ず、その際にもコンクリート法面に損傷を与えてしまうという欠点もあった。
【０００５】
この発明は、以上のように、従前とは違い、新たにアンカー埋入穴穿孔装置の採用により、傾斜した法面であっても安全且つ効率的なアンカー工の実施を可能とするようになってきてはいるものの、装置を移動させる際に装置本体の接触や車輪の横ズレ、引き摺り等によってコンクリート法面を損傷させ、アンカー工の仕上がりを悪化させてしまうという新たな課題を生じてきたため、それらに対処する必要が出てきていることと、極力小人数での作業を可能にしてより一層経済効果が上げられるようにしたいとする差し迫った要望も聞かれること等の観点から、逸早く開発、研究に着手し、長期に渡る試行錯誤と幾多の試作、実験とを繰り返してきた結果、今回、遂に後述する如くの新規な構造からなるコンクリート法面補強アンカー用穿孔機の完成、実用化に成功したものである。
以下では、図面に示すこの発明を代表する実施例と共に、その構成を詳述することとする。
【０００６】
【発明の構成】
図面に示すこの発明を代表する実施例からも明確に理解されるように、この発明のコンクリート法面補強アンカー用穿孔機は、基本的に次のような構成から成り立っている。
即ち、自走シャーシ本体上に、オーガ穿孔機部上端側中途に当接、支持可能とする支柱部を立設した上、該支柱部中途に一対の振れ止めアーム夫々の上端を近接または比較的近接状配置になるようにして枢着すると共に、下方側は拡開状配置となるようにしたそれら下端の夫々をオーガ穿孔機部下端側適所に枢着する一方、前記自走シャーシ本体上には、当該オーガ穿孔機部下端側適所に当接、支持し得るようにした昇降支持機構を設けた上、自走シャーシ本体と支柱部との間、あるいは支柱部の振れ止めアーム連結部下の何れかに、垂直軸回りに回転可能とする旋回支持機構を設けてなるものとした構成を要旨とするコンクリート法面補強アンカー用穿孔機である。
【０００７】
この基本的な構成からなるコンクリート法面補強アンカー用穿孔機を、より具体的な構成で示すと、比較的軟質な車輪や無限軌道等を装備して走行可能とした自走シャーシ本体上に、オーガ穿孔機部上端側中途を当接、支持可能とする支柱部を立設した上、該支柱部中途に一対の振れ止めアーム夫々の上端を近接または比較的近接状配置になるようにして枢着すると共に、下方側は拡開状配置となるようにしたそれら下端の夫々をオーガ穿孔機部下端側適所に枢着する一方、前記自走シャーシ本体上には、当該オーガ穿孔機部下端側適所に当接、支持し得るようにした昇降支持機構を設けた上、自走シャーシ本体と支柱部との間、あるいは支持柱部の振れ止めアーム連結部下の何れかに、垂直軸回りに回転可能とする旋回支持機構を設けたものとなし、走行移動の際には、オーガ穿孔機部を横転させてその中途を支柱部上に当接、支持した後、昇降支持機構によってオーガ穿孔機部下方側を上昇させ、自走シャーシ本体上にオーガ穿孔機部を搭載状態となし、穿孔作業の際には、昇降支持機構を降下させてオーガ穿孔機部先端を接地させた後、支柱部上端に当接、支持されていたオーガ穿孔機部を当該支柱部上端から離反させて所望コンクリート法面に対して略直立状として穿孔可能とする一方、走行移動および穿孔作業に際して、または穿孔作業に際して、旋回支持機構の操作により、オーガ穿孔機部を自走シャーシ本体進行方向に対して所定角度範囲に渡って回動操作可能とするコンクリート法面補強アンカー用穿孔機ということができる。
【０００８】
さらに、具体的には、穿孔装置座体を回動支点として起立、横転自在に組み合わせ、穿孔位置傾斜面に鉛直姿勢で固定可能にすると共に、先端に直立用座枠を一体に取着してなる穿孔装置本体におけるガイドフレームに対して進退自在に組み込まれたオーガ穿孔機部上端側中途に当接、支持可能とするようにした支柱部を自走シャーシ本体上に立設した上、該支柱部中途に一対の振れ止めアーム夫々の上端を近接または比較的近接状配置になるようにして枢着すると共に、下方側は拡開状配置となるようにしたそれら下端の夫々をオーガ穿孔機部下端側適所に枢着する一方、前記自走シャーシ本体上には、当該オーガ穿孔機部下端側適所に当接、支持し得るようにした昇降支持機構を設けた上、自走シャーシ本体と支柱部との間、あるいは支柱部の振れ止めアーム連結部下の何れかに、垂直軸回りに回転可能とする旋回支持機構を設けてなるものとしたコンクリート法面補強アンカー用穿孔機であるということができる。
【０００９】
自走シャーシ本体は、オーガ穿孔機部を横転させた状態に搭載して自走し、穿孔位置に到着したときに所定角度範囲でオーガ穿孔機部を垂直軸回りに旋回可能とするよう支持し、さらに、穿孔作業中にはオーガ穿孔機部をコンクリート法面に対して立設状に支持可能とする機能を果たすものであり、コンクリート法面上を走行しても損傷を与えないゴム製あるいは合成樹脂製のタイヤ、カタピラ等を装着した比較的軟質な車輪や無限軌道等を装着したものとしなければならず、電気モーターやエンジン等の駆動源を設けると共に、シャーシ本体上にオーガ穿孔機構部を安定支持可能とする充分な強度を確保したものとすべきである。
【００１０】
支柱部は、一対の振れ止めアーム上端を枢着、支持すると共に、オーガ穿孔機部の上端側中途部を滑動可能に支持する機能を果たすものであって、オーガ穿孔機部を支持するに充分な強度を有するものとしなければならず、自走シャーシ本体との間、あるいは振れ止めアームの連結部下の何れかに旋回支持機構を設けたものとすべきであり、その上端に水平軸回りに回転自在とする円筒形状の滑動用ローラが組み込まれてなるものとして、オーガ穿孔機部の支持角度を変更する際の追随性が円滑になるようにしたものとする必要がある外、当該上端に、オーガ穿孔機部を当接、支持したまま移動する際や、不使用時に載置したままの状態が不用意に崩れてしまわないようにする等の目的から、該支柱部上にオーガ穿孔機部を仮固定状とするようにしたチェーン、把持金具あるいは繋着鈎その他の適宜仮固定部を付設または装備してなるものとすべきである。
【００１１】
振れ止めアームは、自走シャーシ本体とオーガ穿孔機部とを連結し、オーガ穿孔機部を自走シャーシ本体上に安定的に搭載可能となるようにすると共に、オーガ穿孔機部をコンクリート法面上に立設状とする際には、根元の位置決め調整や支えの一部となるようにする機能を果たすものであって、不安定な傾斜面等においてもオーガ穿孔機部の振れを確実に達成するに充分な強度を有し、軽量化も可能となる鋼管製のものとなし、支柱部中途に一対の各上端を近接させた状態に枢着し、左右各下端を拡開させた状態でオーガ穿孔機部の先端側左右に夫々枢着したものとして、オーガ穿孔機部基部とで安定的な三角形構造を実現するようにしたものとしなければならず、その安定性をより高める上で、一端側が自走シャーシ本体上あるいは旋回支持機構上の何れかに連結され、他端側が振れ止めアームの中途部に仮固定されるようにした補助アームを併設してなるものとするのが望ましい。
【００１２】
昇降支持機構は、中途を上記支柱部上端に載置状としたままのオーガ穿孔機部を、走行移動や保管、あるいは旋回等の場面で、コンクリート法面に接地しない状態に上昇させて自走シャーシ本体上に搭載状としてしまうときや、オーガ穿孔機部をコンクリート法面に穿孔可能に接地状とするとき等に、オーガ穿孔機部の傾斜角度を変更するために同基部側を昇降作動する機能を果たすものであり、上昇位置で仮固定可能な構造としなければならず、油圧ジャッキ、仮止め機構を有する送りネジ機構やラック・アンド・ピニオン機構、パンタグラフ機構、梃子の原理を用いた昇降機構等適宜公知の手段を用いることが可能である。
【００１３】
旋回支持機構は、基端側を地上から上昇させて自走シャーシ本体上に搭載状態としたオーガ穿孔機部を、垂直軸回りの所定範囲に渡って回動させ、上記自走シャーシ本体に対するオーガ穿孔機部の方向移動をする機能を果たすものであり、オーガ穿孔機部を安定して旋回させるのに充分な強度を有するものとしなければならず、自走シャーシ本体と支柱部との間、あるいは支柱部の振れ止めアームの枢着部下の何れかに設けることができ、必要に応じて旋回を阻止する状態に仮固定可能、且つ旋回自在に仮固定を解除可能な旋回ブレーキを設けてなるものとすることができる外、回転駆動源を設けて、所望の操作によって自動的に旋回駆動できるようにした構造のものとすることも可能であり、少なくともオーガ穿孔機部を自走シャーシ本体の前方から左右側へ夫々９０度の位置まで回動可能な構造とするのが望ましく、場合によっては自走シャーシ本体の操作ハンドルを折畳み可能とする等して、左右１８０度ずつ、３６０度の回転も可能とするような構造のものとしてもよい。
【００１４】
オーガ穿孔機部は、オーガを回転駆動すると共にその軸芯方向に進退駆動可能としてコンクリート法面に所望する直径および深さのアンカー打ち込み用の穴を穿孔する機能を果たすものであり、オーガを軸芯方向に案内するガイドフレームを設け、該ガイドフレームに沿ってオーガを進退操作可能としたものとすべきであり、ガイドフレームには、ワイヤーロープを用いて吊上げてコンクリート法面に略垂直状に立設するよう引き起こし、および支柱部側に横転状とするよう操作可能とする直立用座枠、および、該直立用座枠に先立ってコンクリート法面に接地、仮固定して穿孔位置を確定すると共に、安定した直立を可能とする穿孔装置座体を設けたものとするのが望ましい。
以下では、図面に示すこの発明を代表する実施例と共に、その構造について詳述することとする。
【００１５】
【実施例】
図１のコンクリート法面補強アンカー用穿孔機の斜視図、図２の旋回支持機構を旋回させたコンクリート法面補強アンカー用穿孔機の斜視図、および図３のオーガ穿孔機部を立設状とするコンクリート法面補強アンカー用穿孔機の側面図に示される事例は、自走シャーシ本体に設けられた旋回支持機構上に、オーガ穿孔機部の上側を支持可能な支柱部、ならびにオーガ穿孔機部の下側を昇降自在な昇降支持機構を設けた基本的構成を普く備えてなるコンクリート法面補強アンカー用穿孔機で、この発明を代表する一実施例を示すものである。
【００１６】
当該コンクリート法面補強アンカー用穿孔機１は、その本体左右側に補強用ワイヤーを一体に成型した合成ゴム製カタピラを装着してなる無限軌道２１，２１を設け、後部には操作用ハンドルを取り付けて前進、後退および左右旋回可能な駆動機構を持つ自走シャーシ本体２を有し、該自走シャーシ本体２の中央上部には、鉛直軸芯７１回りに回転可能、且つその旋回を強制的に停止可能な図示しない旋回ブレーキを設けた旋回盤７２からなる旋回支持機構７を組み込んだものとし、該旋回盤７２上の自走シャーシ本体２後方に相当する位置には、左右側に柱部を配した門型の支柱部４を立設し、その上端部には、後述するオーガ穿孔機部３のガイドフレーム３２の幅寸法よりも僅かに長い円筒形に形成した滑動用ローラ４１を、その両端が左右側に向けられて略水平状となるよう軸着すると共に、該滑動用ローラ４１の下側に、左右一対の振れ止めアーム５，５の上端を近接状且つ回動自在に軸着した枢着軸４２を枢着したものとする。
【００１７】
一方、該旋回盤７２上の自走シャーシ本体２前方に相当する位置には、鉛直方向に昇降操作可能な油圧ジャッキからなる昇降支持機構６を立設したものとしており、各振れ止めアーム５，５は、その下端が昇降支持機構６を挟んで互いに拡開状となるよう直線状に延伸され、オーガ穿孔機部３穿孔装置本体３１のガイドフレーム３２下端に略水平状に設けられた軸支杆３４に回動自在に連結され、ガイドフレーム３２下端に夫々左右側から枢着したものとなっている。
【００１８】
オーガ穿孔機部３は、穿孔装置本体３１を形成する直線レール状のガイドフレーム３２に沿って進退移動可能であり、先端側に、図示しないオーガを装着可能な駆動モータ３３を設け、該駆動モータ３３をガイドフレーム３２に沿って進退駆動する図示しない駆動源を設けたものとし、該ガイドフレーム３２が、軸支杆３４を支点として、その先端側中途部を昇降支持機構６上に、同後端側中途部を支柱部４滑動用ローラ４１上に夫々当接させるよう横転可能とすると共に、該軸支杆３４を支点にガイドフレーム３２を鉛直状に立ち上げ可能としたものとなっており、同ガイドフレーム３２下端の軸支杆３４左右側には、駆動モータ３３上側に延伸されてガイドフレーム３２の上端に回り込む直立用座枠３７が設けられ、さらに、ガイドフレーム３２の軸支杆３４には、左右一対をなしてコンクリート法枠に鞍掛け状に装着、固定可能な固定用腕部３６，３６，……の複数を、夫々が前後方向に揺動自在な状態に軸着された穿孔装着座体３５が回動自在に連結されたものとしてあり、該穿孔装着座体３５は、オーガ穿孔機部３を支柱部４上に横転状に搭載したときに、直立用座枠３７に締着する等して仮固定できる構造となっている。また、直立用座枠３７の複数適所には、クレーンから延伸されたワイヤーロープやチェーン等を連結し、コンクリート法面補強アンカー用穿孔機１自体を吊上げ可能とする連結片３８，３８，……を設けたものとしている。
【００１９】
さらに、当該コンクリート法面補強アンカー用穿孔機１には、図４のオーガ穿孔機部の仮固定構造を設けたコンクリート法面補強アンカー用穿孔機の斜視図に示すように、支柱部４の上端部に仮止め片４３を設けて、該仮止め片４３にガイドフレーム３２に巻き掛けたチェーン４４を連結できる構造としたり、旋回盤７２上の左右振れ止めアーム５、５左右側に対応する位置に、基端を枢着された補助アーム５１，５１を立設状として、適宜連結金具を用いて対応する夫々の振れ止めアーム５、５を仮止め固定可能な構造とすることができる。
なお、この実施例の旋回盤７２設置箇所に代え、図５のコンクリート法面補強アンカー用穿孔機の斜視図に示される事例のように、支柱部４の振れ止めアーム５，５の枢着軸４２の下側に旋回支持機構７を形成する比較的小型の旋回盤７２を設けたものにすることも勿論可能である。
【００２０】
【作用】
以上のとおりの構成からなるこの発明のコンクリート法面補強アンカー用穿孔機１は、図１に示したように、オーガ穿孔機部３を支柱部４上に横転状とした上で、ガイドフレーム３２の上端側を滑動用ローラ４１上に当接、載置状としてから、油圧ジャッキである昇降支持機構６を上昇させてガイドフレーム３２の下端側を地上から離反するよう上昇させれば、オーガ穿孔機部３を自走シャーシ本体２上に搭載した状態となり、合成ゴム製の無限軌道２１，２１をコンクリート法面に接地させて自走移動可能となり、その移動の際には、直立用座枠３７連結片３８，３８，……をクレーン等で吊上げ状に補助する等して、走行中の不用意な転倒を未然に防止するようにする。
【００２１】
アンカー工を行う地点まで移動した後、旋回ブレーキを解除して、図２中に示すように、旋回支持機構７の旋回盤７２を鉛直軸芯７１回りに回動させ、アンカー工を施す目的箇所付近にオーガ穿孔機部３のガイドフレーム３２下端が一致するよう位置調節して旋回ブレーキを再度ロックさせ、昇降支持機構６をゆっくり降下させると、ガイドフレーム３２が滑動用ローラ４１上を滑り移動して軸支杆３４が接地することとなる。続いて穿孔装着座体３５の直立用座枠３７への仮止めを解除すれば、穿孔装着座体３５が地上に横転されて、図３に示すように、コンクリート法面に沿うように展開させることが可能となり、穿孔の対象が所定幅のコンクリート法枠であれば、コンクリート法枠に鞍掛け状とするよう各固定用腕部３６，３６，……で左右側から挟み込み、固定用腕部３６，３６，……先端に付属する仮止めボルトを締め付ける等して仮固定した上、クレーンによって直立用座枠３７諸共穿孔装置本体３１を、白抜き矢印で示すように直立状に立設させ、再度穿孔装着座体３５と直立用座枠３７とを仮固定した後、駆動モータ３３に図示しないオーガを装着して、該オーガを回転させながら強制的にコンクリート法枠を掘削することとなる。
【００２２】
また、平坦なコンクリート法面に穿孔する場合には、穿孔装着座体３５の固定用腕部３６，３６，……夫々を取り外すか、あるいは穿孔装着座体３５に平行状とするよう回動させて折り畳み、法面との干渉をなくして穿孔装着座体３５自体をコンクリート法面に接合させる等して実施する。
【００２３】
穿孔作業を終えた後に適宜モルタルおよびアンカーを所望する深さに打ち込んで地盤強化を施しアンカー工を終えてから、図３の白抜き矢印とは逆向きに穿孔装置本体３１を軸支杆３４を中心に横転させ、ガイドフレーム３２の上側中途部を滑動用ローラ４１に当接させ、穿孔装着座体３５を直立用座枠３７側に折り畳んだ状態で互いを仮固定した上、昇降支持機構６を上昇させてガイドフレーム３２が滑動ローラ上を滑るように移動させ、図１または図２に示すように、オーガ穿孔機部３を地上から浮上させた状態にして自走シャーシ本体２上に搭載状とする。
【００２４】
図２のように、自走シャーシ本体２に対してオーガ穿孔機部３が回動された状態のまま走行することも可能であるが、走行中の安全を考慮し、図１に示すように、走行方向にオーガ穿孔機部３の前後の向きを一致させて重心を安定させて移動すべきである。さらに、図４に示した構造のコンクリート法面補強アンカー用穿孔機１であれば、オーガ穿孔機部３を自走シャーシ本体２の前後方向に一致する向きに搭載すると共に、ガイドフレーム３２に巻掛けたチェーンを支柱部４の仮止め片４３に繋着した上、左右夫々の振れ止めアーム５，５の中途部を、対応する左右の補助アーム５１，５１上端に連結金具等を用いて仮り固定したものとし、より安定した状態で走行させることが可能となる。
【００２５】
また、図５に示したコンクリート法面補強アンカー用穿孔機１のように、支柱部４の振れ止めアーム５，５用の枢着軸４２下部に、旋回支持機構７を設けたものの場合には、該旋回支持機構７の旋回作業を行う際に、クレーンのワイヤーやチェーンを直立用座枠３７の連結片３８，３８，……に連結して、補助アーム５１，５１から振れ止めアーム５，５を切り離すと共に、穿孔装置本体３１を支柱部４滑動用ローラ４１や昇降支持機構６から吊上げた状態で旋回させなければならない。
【００２６】
さらにまた、自走シャーシ本体２を走行させるときには、必ずオーガ穿孔機部３の下端側（基部）を自走シャーシ本体２の進行方向に向け、ガイドフレーム３２上側中途を支柱部４滑動用ローラ４１上に当接、載置状にすると共に、ガイドフレーム３２下側中途を昇降支持機構６で上昇して浮上させた上、支柱部４仮止め片４３に装着したチェーン４４でガイドフレーム３２を繋着すると共に、左右の振れ止めアーム５，５を対応する補助アーム５１，５１に夫々仮り固定状に連結して安定した搭載姿勢を実現してから走行移動することとなる。
【００２７】
【効果】
以上のとおり、この発明のコンクリート法面補強アンカー用穿孔機によれば、従前までであればアンカー工を施す地点までの移動の全てをクレーンによる吊上げ移動に頼らざるを得なかったものが、昇降支持機構を有する自走シャーシ本体を設け、オーガ穿孔機部を自走シャーシ本体上に搭載してコンクリート法面上を自走移動することが可能となり、移動の際の補助作業者を１〜３名程度に削減することができ、大幅な人員削減を図ることができる上、クレーンの僅かな操作ミスや強風による煽りに起因するオーガ穿孔機部のコンクリート法面への不用意な接触を防止して、コンクリート法面に損傷を来すことのないアンカー工の施工が実施できるという秀れた特徴が得られるものである。
【００２８】
さらに、一対の振れ止めアームによってオーガ穿孔機部下端側を自走シャーシ本体上に立設された支柱部の中途部に連結し、安定した三角形構造が実現されるようにしてあって、走行中のオーガ穿孔機部の姿勢のズレや移動を確実に防止することができるようになると共に、オーガ穿孔機部をコンクリート法面上に立設状に設置する際にも、左右の振れ止めアームがオーガ穿孔機部と自走シャーシ本体との連結状態を確保して、小人数の作業員であってもオーガ穿孔機部が不用意に転倒したりズレ動いたりしてしまうことを防止でき、しかも、自走シャーシ本体と支柱部との間、あるいは支柱部の振れ止めアーム連結部下の何れかに旋回支持機構を設けてあって、自走シャーシ本体の向きに拘らず、自走シャーシ本体の前方や左右側方にオーガ穿孔機部を立設状に設置することも可能となることから、穿孔箇所への移動および同所でのオーガ穿孔機部の設置作業を極めて安全且つ正確、迅速に実現可能として効率的なアンカー工を実施を可能とするという秀れた効果を期待することができるものとなる。
【００２９】
特に、実施例に説明したコンクリート法面補強アンカー用穿孔機１は、上記した特徴に加え、オーガ穿孔機部３の穿孔装置本体３１下端側に固定用腕部３６，３６，……を有する穿孔装着座体３５を設けると共に、ガイドフレーム３２の上下端に連結片３８，３８，……を有する直立用座枠３７を設けてあって、穿孔装着座体３５によるコンクリート法面への位置決めと設置とがより正確且つ確実に行えるものとなり、固定用腕部３６，３６，……を用いればコンクリート法枠に対して鞍掛け状に装着することができるものとなり、しかも連結片３８，３８，……をクレーンで吊上げることによってより安全で効率的な作業を行うことができ、極めて実用的な効果が得られるものとなる。
【００３０】
さらにまた、図４または図５のようにして設けられた補助アーム５１，５１に振れ止めアーム５，５の中途部を仮止めすると共に、支柱部４の仮止め片４３にガイドフレーム３２に巻掛けたチェーン４４で繋着したものとしてあって、振れ止めアーム５，５およびガイドフレーム３２の姿勢を確実な仮固定状態に維持し、走行移動中のオーガ穿孔機部３の搭載状態をより安全に保持することができるものとなり、簡便な手段によって作業安全性の確保が十分に達成されるものになるという大きな効果も得られることになる。
【００３１】
叙述の如く、この発明のコンクリート法面補強アンカー用穿孔機は、その新規な構成によって所期の目的を遍く達成可能とするものであり、しかも製造も容易で比較的廉価にて生産することが可能である上、作業の安全性を向上できると共に、作業効率自体も大幅に高められて作業人員の削減にも繋がり、費用の削減と工期の短縮とを確実に達成可能にするものになることから、今後益々安全性と作業効率性や経済性が求められていく建設業界において高く評価され、広範に渡って利用、普及していくものになると予想される。
【図面の簡単な説明】
図面は、この発明のコンクリート法面補強アンカー用穿孔機の技術的思想を具現化した幾つかの代表的な実施例を示すものである。
【図１】コンクリート法面補強アンカー用穿孔機を示す斜視図である。
【図２】旋回支持機構を旋回操作した状態を示す斜視図である。
【図３】昇降支持機構を降下させた状態を示す側面図である。
【図４】補助アームを付加したアンカー用穿孔機を示す斜視図である。
【図５】旋回支持機構の配置を変更したアンカー用穿孔機を示す斜視図である。
【符号の説明】
１コンクリート法面補強アンカー用穿孔機
２自走シャーシ本体
２１同無限軌道
３オーガ穿孔機部
３１同穿孔装置本体
３２同ガイドフレーム
３３同駆動モータ
３４同軸支杆
３５同穿孔装着座体
３６同固定用腕部
３７同直立用座枠
３８同連結片
４支柱部
４１同滑動用ローラ
４２同枢着軸
４３同仮止め片
４４同チェーン
５振れ止めアーム
５１同補助アーム
６昇降支持機構
７旋回支持機構
７１同鉛直軸芯
７２同旋回盤[0001]
OBJECT OF THE INVENTION
The present invention is an anchor construction technique for reinforcing a concrete slope applied to a mountain surface beside a road formed by cutting through a mountain, a seawall, a river, a dam or the like, or a relatively flat surface. In particular, an object of the present invention is to provide a drilling machine for a concrete slope reinforcing anchor having a novel structure that can be efficiently drilled by a small number of people.
[0002]
[Prior art]
Slopes artificially formed for roads, tunnels, seas, rivers, dam revetments, etc., even if constructed by proper design and construction, have been eroded by rainwater and running water for many years, The actual condition of the geology and slope is gradually changed by various natural phenomena such as weathering, freezing and thawing, or crustal deformation, and the expected strength is obtained by causing a peeling phenomenon between the concrete slope and the ground. There is a risk that it will lead to the outflow and collapse of earth and sand, and eventually the slope, and in order to improve and stabilize the slope, the slope is re-shaped as a slope builder. Or, there will be a need to implement anchor work to make slopes and fix.
[0003]
In general, the concrete slope reinforcement structure has a grid-like concrete frame to ensure its strength, and a hole reaching a predetermined depth in the ground is formed at the intersection of a relatively high strength concrete frame. An anchor construction is employed in which a mortar is injected after a predetermined anchor member is inserted and the concrete frame is supported by the underground rock with the anchor member.
The drilling work on the inclined surface in the anchor work of this slope is shown in the anchor embedding hole drilling device disclosed in Japanese Patent Laid-Open No. 9-316884 or Japanese Patent Laid-Open No. 11-117307. By using a drill for a concrete slope reinforcement anchor, etc., the work can be carried out much more safely and efficiently than the work using a hand-held pneumatic rock drill.
[0004]
With the introduction of such anchor embedding hole drilling equipment and concrete slope reinforcement anchor drilling machines, it has become possible to remarkably increase the efficiency of drilling work on inclined surfaces called concrete slopes. When moving on the slope, lifting by crane is necessary, and the number of people attending as assistance is about 5 to 10 if safety is taken into consideration, and due to slight errors in crane operation and strong winds In the case of being beaten, there is a risk that the drilling machine will come into contact with the concrete slope and damage the slope, and even when a wheel like a caster that assists traveling movement is provided, Because it is difficult to match the pulling direction of the crane with the moving direction of the drilling machine, the caster may cause lateral misalignment or dragging during movement. , When performing the anchor alterations to multiple locations, frequently inevitable to change direction while moving, there are drawbacks that the time to cause damage the concrete slopes also.
[0005]
As described above, the present invention makes it possible to implement a safe and efficient anchor work even on an inclined slope by adopting a new anchor embedding hole drilling device, unlike the conventional one. Although it has come, when moving the device, it has caused a new problem that the concrete slope is damaged due to contact of the device body, lateral displacement of the wheel, dragging, etc., and the finish of the anchor work will be deteriorated, From the standpoint of the need to deal with these issues and the urgent need to be able to work with a small number of people as much as possible to further increase the economic effect, etc. As a result of starting research and repeating trial and error over a long period of time and numerous trial manufactures and experiments, this time, the drilling for concrete slope reinforcement anchors with a new structure as described later is finally completed. Completion of the machine, in which was successful in practical use.
In the following, the configuration will be described in detail together with an embodiment representative of the present invention shown in the drawings.
[0006]
[Structure of the invention]
As clearly understood from the embodiments representing the present invention shown in the drawings, the concrete slope reinforcing anchor drilling machine according to the present invention basically comprises the following configuration.
That is, on the self-propelled chassis main body, an upright column portion is set up so as to be able to contact and support the auger punching machine unit in the middle of the upper end side, and the upper end of each of the pair of steadying arms is brought close to or relatively in the middle of the column unit. While being pivotally mounted so as to be close to each other, the lower side is pivotally mounted at an appropriate position on the lower end side of the auger punching unit while the lower side of the lower side is on the self-propelled chassis main body. Is provided with an elevating support mechanism that can contact and support the lower end side of the auger punching machine part, and between the self-propelled chassis main body and the column part or under the steady arm connecting part of the column part. In addition, the present invention provides a concrete slope reinforcing anchor drilling machine having a configuration in which a swivel support mechanism capable of rotating around a vertical axis is provided.
[0007]
The concrete slope reinforcing anchor drilling machine with this basic configuration is shown in a more specific configuration, on a self-propelled chassis body that can run with relatively soft wheels, endless tracks, etc. A support column is provided so that the middle of the auger punching machine can be contacted and supported, and the upper ends of each of the pair of steady rest arms are arranged close to or relatively close to each other in the middle of the support. The lower side of the auger punching machine part is pivotally attached to an appropriate position at the lower end side of the auger punching machine part, while the lower side of the auger punching machine part is placed on the self-propelled chassis main body. Elevating and lowering support mechanism is provided so that it can contact and support in place, and it rotates around the vertical axis either between the self-propelled chassis body and the support column or under the steady arm connecting part of the support column. A swivel support mechanism is also provided. When traveling, the auger punching machine is turned over, and the middle of the auger punching machine is abutted and supported on the support, and then the lower side of the auger punching machine is raised by the lifting and lowering support mechanism. The auger punching machine is mounted on the top, and during drilling work, the lifting support mechanism is lowered and the tip of the auger punching machine is grounded, and then the auger drilling that is in contact with and supported by the upper end of the column While the machine part is separated from the upper end of the column part and can be perforated as being substantially upright with respect to the desired concrete slope, the auger perforation machine is operated by operating the swivel support mechanism during traveling movement and perforation work or during perforation work. It can be said that it is a concrete slope reinforcing anchor drilling machine that allows the part to be rotated over a predetermined angle range with respect to the traveling direction of the self-propelled chassis body.
[0008]
More specifically, it is possible to stand upright and roll over with the perforating device seat as a pivot point, and to fix it vertically on the inclined surface of the perforation position, and to attach the upright seat frame integrally to the tip. An auger drilling machine unit that is incorporated in a freely extending and retracting manner with respect to the guide frame in the drilling device main body is provided with a support column that stands upright and can be supported on the self-propelled chassis main body. The upper end of each of the pair of steady rest arms is pivotally attached in the middle of the part so as to be close to or relatively close to each other, and the lower side is arranged in an expanded form so that each of the lower ends is connected to the auger punching machine part. On the self-propelled chassis main body, an elevating support mechanism is provided on the self-propelled chassis main body so as to contact and support the lower end-side proper position on the self-propelled chassis main body. Between departments or In any of bracing arm connecting subordinates parts can be said to be rotatable with the swivel support mechanism formed by providing a that as the concrete slope face reinforcing anchor for the drilling machine around a vertical axis.
[0009]
The self-propelled chassis body is mounted in a state where the auger drilling machine is turned sideways, and supports itself so that the auger drilling machine part can be swung around a vertical axis within a predetermined angle range when it reaches the drilling position. Furthermore, during drilling work, the auger drilling machine part functions to be able to be supported upright on the concrete slope, and is made of rubber that does not cause damage even if it runs on the concrete slope. It must be equipped with relatively soft wheels, endless tracks, etc. with synthetic resin tires, caterpillars, etc., and a drive source such as an electric motor or engine, and an auger drilling mechanism on the chassis body Should have sufficient strength to enable stable support.
[0010]
The strut portion pivotally supports and supports the upper ends of the pair of steady rest arms, and functions to slidably support the middle portion on the upper end side of the auger punching machine portion, and is sufficient to support the auger punching machine portion. It should have a sufficient strength, and it should be provided with a turning support mechanism either between the main body of the self-propelled chassis or below the connection part of the steady-rest arm. It is necessary to make the followability when changing the support angle of the auger punching machine smooth as a built-in cylindrical roller for sliding that can rotate freely. For the purpose of preventing the auger punching machine part from abutting and supporting while moving, or to prevent the auger punching machine from being inadvertently collapsed when not in use, the auger punching machine is placed on the column part. The part will be temporarily fixed In the chain, the end fitting or joint attachment hook should be made to attached or equipped with other appropriate temporary fixing unit.
[0011]
The steady rest arm connects the self-propelled chassis main body and the auger punching machine part so that the auger punching machine part can be stably mounted on the self-propelled chassis main body, and the auger punching machine part is mounted on the concrete surface. When standing upright, it functions as a part of the positioning and support of the root, and it ensures that the auger punching part will swing even on unstable inclined surfaces. It is made of a steel pipe that has sufficient strength to achieve and can be reduced in weight, and is pivotally attached in the state where a pair of upper ends are close to each other in the middle of the support column, and the left and right lower ends are expanded. In order to further improve the stability of the auger drilling machine, it must be pivotally attached to the left and right sides of the auger drilling machine, so that a stable triangular structure must be realized with the base of the auger drilling machine. , One end is on the self-propelled chassis body or swivel Is connected to one of the lifting mechanism, it is desirable to made and features an auxiliary arm which is adapted other end is temporarily fixed to the intermediate portion of the steady rest arm.
[0012]
The elevating support mechanism is self-propelled by raising the auger punching machine part that is placed on the upper end of the column part in the middle without being touched on the concrete slope in traveling, storage, or turning. When changing the tilt angle of the auger drilling machine part, the base side is moved up and down when it is mounted on the chassis body or when the auger drilling machine part is grounded so that it can be drilled on the concrete slope. It must have a structure that fulfills its function and can be temporarily fixed in the raised position, and is lifted and lowered using a hydraulic jack, a feed screw mechanism with a temporary fixing mechanism, a rack and pinion mechanism, a pantograph mechanism, and a lever principle Any known means such as a mechanism can be used as appropriate.
[0013]
The swivel support mechanism rotates the auger drilling machine part, which is mounted on the self-propelled chassis body by raising the base end side from the ground, over a predetermined range around the vertical axis, and It functions to move the direction of the drilling machine part, and must have sufficient strength to stably rotate the auger drilling machine part, between the self-propelled chassis main body and the column part, Alternatively, a swing brake that can be temporarily fixed in a state in which the turn is prevented and can be released in a turnable manner is provided. It is also possible to have a structure in which a rotational drive source is provided so that it can be automatically turned by a desired operation, and at least the auger punching machine part is a self-propelled chassis main body. It is desirable to have a structure that can be rotated from the front to the left and right sides by 90 degrees. In some cases, the operation handle of the self-propelled chassis body can be folded, so that it can rotate 360 degrees by 180 degrees. It is also possible to have a structure that makes it possible.
[0014]
The auger punching machine unit functions to rotate the auger and to drive the auger into the concrete slope so that it can be driven forward and backward in the axial direction of the auger. A guide frame that guides in the core direction should be provided, and the auger should be able to move forward and backward along the guide frame. The guide frame is lifted with a wire rope so that it is almost perpendicular to the concrete slope. The upright seat frame that can be operated to stand upright and roll over to the column side, and the drilling position is fixed by grounding and temporarily fixing to the concrete slope prior to the upright seat frame. In addition, it is desirable to provide a perforation device seat that enables stable upright.
In the following, the structure of the present invention will be described in detail together with an embodiment representing the present invention shown in the drawings.
[0015]
【Example】
FIG. 1 is a perspective view of a concrete slope reinforcing anchor drilling machine, FIG. 2 is a perspective view of a concrete slope reinforcing anchor drilling machine in which a turning support mechanism is turned, and FIG. The example shown in the side view of a concrete slope reinforcing anchor drilling machine is shown in the example of a support that can support the upper side of the auger drilling machine part on the swivel support mechanism provided on the self-propelled chassis body, and the auger drilling machine part 1 is a concrete slope reinforcing anchor drilling machine that has a basic structure provided with an elevating support mechanism that can be moved up and down, and shows one embodiment of the present invention.
[0016]
The concrete slope reinforcing anchor drilling machine 1 is provided with endless tracks 21 and 21 each having a synthetic rubber catapillar formed by integrally molding reinforcing wires on the left and right sides of the main body, and an operation handle is attached to the rear part. A self-propelled chassis main body 2 having a drive mechanism capable of moving forward, backward and to the left and right. The self-propelled chassis main body 2 can be rotated around the vertical axis 71 and forced to rotate It is assumed that a turning support mechanism 7 composed of a turning board 72 provided with a turning brake (not shown) that can be stopped is incorporated, and column parts are provided on the left and right sides at positions corresponding to the rear of the self-propelled chassis main body 2 on the turning board 72. A gate-shaped support column 4 is erected, and a sliding roller 41 formed in a cylindrical shape slightly longer than the width dimension of a guide frame 32 of the auger punching unit 3 described later is provided at the upper end portion thereof. Both ends Attached to the right side so as to be substantially horizontal and directed to the right side, and pivotally attached to the lower side of the sliding roller 41 so that the upper ends of a pair of left and right anti-vibration arms 5 and 5 are axially attached in a close and rotatable manner It is assumed that the shaft 42 is pivotally attached.
[0017]
On the other hand, at a position corresponding to the front of the self-propelled chassis main body 2 on the swivel board 72, an elevating support mechanism 6 composed of a hydraulic jack that can be operated up and down in the vertical direction is erected. 5 is a shaft support that is extended in a straight line so that the lower ends of the lower and upper support mechanisms 6 are spread out and are provided substantially horizontally at the lower end of the guide frame 32 of the auger punching machine section 31. The guide frame 32 is pivotally connected to the lower end of the guide frame 32 from the left and right sides.
[0018]
The auger punching machine part 3 is movable forward and backward along a linear rail-shaped guide frame 32 forming the punching device main body 31, and is provided with a drive motor 33 to which an auger (not shown) can be attached on the tip side. 33 is provided with a drive source (not shown) for advancing and retreating along the guide frame 32. The guide frame 32 has a shaft support rod 34 as a fulcrum, and a middle part on the tip side thereof on the lifting support mechanism 6. It is possible to roll over so that the middle part on the end side comes into contact with the support roller 4 sliding roller 41, and the guide frame 32 can be raised vertically with the shaft support rod 34 as a fulcrum. On the left and right sides of the shaft support rod 34 at the lower end of the guide frame 32, an upright seat frame 37 is provided that extends to the upper side of the drive motor 33 and goes around the upper end of the guide frame 32. A plurality of fixing arm portions 36, 36,... That can be mounted and fixed on a concrete frame in a hanging manner on a shaft support rod 34 of the right and left shaft 32 are swingable in the front-rear direction. It is assumed that the perforated mounting seat 35 pivotally mounted in a fixed state is rotatably connected, and the perforated mounting seat 35 is mounted when the auger perforating machine unit 3 is mounted on the support column 4 in a rollover manner. The structure can be temporarily fixed by fastening to the upright seat frame 37 or the like. In addition, connecting pieces 38, 38,..., Which connect a wire rope or chain extended from a crane to a plurality of appropriate positions of the upright seat frame 37 and can lift the concrete slope reinforcing anchor drilling machine 1 itself. Is provided.
[0019]
Further, in the concrete slope reinforcing anchor drilling machine 1, as shown in the perspective view of the concrete slope reinforcing anchor drilling machine provided with the temporary fixing structure of the auger drilling machine part in FIG. A temporary fastening piece 43 is provided at the portion so that the chain 44 wound around the guide frame 32 can be connected to the temporary fastening piece 43, or the left and right steadying arms 5 on the swivel board 72 and positions corresponding to the left and right sides. In addition, the auxiliary arms 51 and 51 pivotally attached to the base ends can be erected so that the corresponding steadying arms 5 and 5 can be temporarily fixed by using appropriate connecting fittings.
It should be noted that, instead of the place where the swivel board 72 is installed in this embodiment, as shown in the perspective view of the concrete slope reinforcing anchor drilling machine in FIG. It is of course possible to provide a relatively small swivel board 72 that forms the swivel support mechanism 7 below 42.
[0020]
[Action]
As shown in FIG. 1, the concrete sloped reinforcing anchor drilling machine 1 of the present invention having the above-described configuration is configured such that the auger drilling machine part 3 rolls over the column part 4 and the guide frame 32. If the upper end side of the guide plate is brought into contact with and placed on the sliding roller 41, the lifting support mechanism 6 that is a hydraulic jack is raised and the lower end side of the guide frame 32 is raised away from the ground. The machine part 3 is mounted on the self-propelled chassis main body 2, and the synthetic rubber endless tracks 21 and 21 are brought into contact with the concrete slope so that they can be self-propelled and moved. The 37 connecting pieces 38, 38,... Are supported by a crane or the like so as to prevent inadvertent falling during traveling.
[0021]
After moving to the point where the anchor work is performed, the turning brake is released, and as shown in FIG. 2, the turning plate 72 of the turning support mechanism 7 is turned around the vertical axis 71 to perform the anchor work. Adjust the position so that the lower end of the guide frame 32 of the auger punching machine unit 3 is in the vicinity and lock the turning brake again, and when the elevating support mechanism 6 is slowly lowered, the guide frame 32 slides on the sliding roller 41. As a result, the shaft support 34 is grounded. Subsequently, if the temporary fixing of the perforated mounting seat 35 to the upright seat frame 37 is released, the perforated mounting seat 35 is rolled over to the ground and is developed along the concrete slope as shown in FIG. If the object to be drilled is a concrete frame with a predetermined width, the fixing arm portions 36, 36,... 36, 36,... Are temporarily fixed by tightening a temporary fixing bolt attached to the tip, and the upright seat frame 37 and the perforating device main body 31 are erected in an upright state as indicated by white arrows by a crane. Then, after the perforated mounting seat 35 and the upright seat frame 37 are temporarily fixed, an auger (not shown) is mounted on the drive motor 33 and the concrete frame is forcibly excavated while rotating the auger. .
[0022]
When drilling into a flat concrete slope, the fixing arm portions 36, 36,... Of the perforated mounting seat 35 are either removed or rotated so as to be parallel to the perforated mounting seat 35. Folding and removing the interference with the slope, the perforated mounting seat 35 itself is joined to the concrete slope, for example.
[0023]
After the drilling operation is completed, the mortar and anchor are appropriately driven to a desired depth to strengthen the ground and finish the anchor work. Then, the drilling device main body 31 is attached to the shaft support rod 34 in the direction opposite to the white arrow in FIG. Rolled over to the center, the upper halfway part of the guide frame 32 was brought into contact with the sliding roller 41, and the perforated mounting seat 35 was temporarily fixed to each other in a state where it was folded to the upright seat frame 37 side. Is moved so that the guide frame 32 slides on the sliding roller, and the auger perforator 3 is lifted from the ground and mounted on the self-propelled chassis body 2 as shown in FIG. The shape.
[0024]
As shown in FIG. 2, it is possible to run while the auger punching machine part 3 is rotated with respect to the self-running chassis main body 2. However, in consideration of safety during running, as shown in FIG. The direction of front and back of the auger punching machine part 3 should be made to coincide with the traveling direction so that the center of gravity is stabilized and moved. Further, in the concrete slope reinforcing anchor drilling machine 1 having the structure shown in FIG. 4, the auger drilling machine part 3 is mounted in a direction that coincides with the front-rear direction of the self-propelled chassis body 2 and is wound around the guide frame 32. The hooked chain is connected to the temporary fixing piece 43 of the support column 4, and the middle portions of the left and right steadying arms 5 and 5 are temporarily attached to the upper ends of the corresponding left and right auxiliary arms 51 and 51 using a connecting bracket or the like. It is assumed that the vehicle is fixed and can travel in a more stable state.
[0025]
Further, in the case where the turning support mechanism 7 is provided below the pivoting shaft 42 for the steadying arms 5 and 5 of the column 4 as in the concrete slope reinforcing anchor drilling machine 1 shown in FIG. When the turning support mechanism 7 is turned, the crane wire or chain is connected to the connecting pieces 38, 38,... 5 and the punching device main body 31 must be swung in a state where it is lifted from the column 4 sliding roller 41 and the lifting support mechanism 6.
[0026]
Furthermore, when the self-propelled chassis main body 2 is caused to travel, the lower end side (base) of the auger punching machine section 3 is always directed to the traveling direction of the self-propelled chassis main body 2, and the upper halfway of the guide frame 32 is the support section 4 sliding roller 41. The guide frame 32 is connected with the chain 44 attached to the column 4 temporary fixing piece 43 while the lower half of the guide frame 32 is lifted and lifted by the lifting support mechanism 6. At the same time, the left and right steadying arms 5 and 5 are temporarily fixedly connected to the corresponding auxiliary arms 51 and 51 to achieve a stable mounting posture and travel.
[0027]
【effect】
As described above, according to the concrete slope reinforcing anchor drilling machine of the present invention, if it has been before, all of the movement up to the point where the anchor work is performed must be relied on the lifting movement by the crane. A self-propelled chassis main body having a support mechanism is provided, and an auger punching machine part is mounted on the self-propelled chassis main body so that it can be self-propelled and moved on the concrete slope. In addition to reducing the number of workers, it is possible to achieve a significant personnel reduction and prevent inadvertent contact of the auger drilling machine with the concrete slope due to slight crane operation mistakes and swells caused by strong winds. Thus, an excellent feature is that the anchor construction can be carried out without damaging the concrete slope.
[0028]
Furthermore, the lower end side of the auger punching machine part is connected to the middle part of the column part erected on the self-propelled chassis body by a pair of steadying arms so that a stable triangular structure is realized, The auger drilling machine part can be prevented from shifting or moving in posture, and when the auger drilling machine part is installed upright on the concrete slope, By securing the connection between the auger drilling machine and the self-propelled chassis, even a small number of workers can prevent the auger drilling machine from inadvertently falling over and moving. A swivel support mechanism is provided between the self-propelled chassis main body and the support column, or below the support arm connecting portion of the support column, and the front of the self-propelled chassis main body regardless of the direction of the self-propelled chassis main body. And left and right sides Since it is possible to install the drilling machine upright, it is possible to move to the drilling site and install the auger drilling machine at the same site very safely, accurately and quickly. It is possible to expect an excellent effect of enabling the construction.
[0029]
In particular, the concrete slope reinforcing anchor drilling machine 1 described in the embodiment has a fixing arm part 36, 36,... On the lower end side of the drilling apparatus main body 31 of the auger drilling machine part 3 in addition to the above-described features. A mounting seat 35 is provided, and an upright seat frame 37 having connecting pieces 38, 38,... Is provided on the upper and lower ends of the guide frame 32, and positioning and installation on the concrete slope by the perforated mounting seat 35. Can be mounted more accurately and reliably, and if the fixing arm portions 36, 36,... Are used, they can be mounted in a hooked manner on the concrete frame, and the connecting pieces 38, 38,. It is possible to perform a safer and more efficient work by lifting a crane with a crane, and an extremely practical effect can be obtained.
[0030]
Furthermore, the middle part of the steady arms 5, 5 is temporarily fixed to the auxiliary arms 51, 51 provided as shown in FIG. 4 or 5, and the guide frame 32 is wound around the temporary fixing piece 43 of the support column 4. It is connected with a chain 44 that is hung, and the postures of the steady arms 5 and 5 and the guide frame 32 are maintained in a fixed temporarily fixed state, and the mounted state of the auger punching machine part 3 during traveling is more secure. Therefore, it is possible to obtain a great effect that the work safety can be sufficiently ensured by simple means.
[0031]
As described above, the concrete slope reinforcing anchor drilling machine according to the present invention can achieve the intended purpose uniformly by its novel configuration, and can be easily manufactured and produced at a relatively low cost. In addition to being able to improve work safety, the work efficiency itself is also greatly improved, leading to a reduction in workforce, and it will be possible to reliably reduce costs and shorten the construction period. Therefore, it is highly evaluated in the construction industry where safety, work efficiency, and economy are increasingly required in the future, and it is expected that it will be widely used and spread.
[Brief description of the drawings]
The drawings show some typical embodiments embodying the technical idea of the drill for a concrete slope reinforcing anchor according to the present invention.
FIG. 1 is a perspective view showing a concrete slope reinforcing anchor drilling machine.
FIG. 2 is a perspective view showing a state where a turning support mechanism is turned.
FIG. 3 is a side view showing a state in which an elevating support mechanism is lowered.
FIG. 4 is a perspective view showing an anchor drilling machine to which an auxiliary arm is added.
FIG. 5 is a perspective view showing an anchor drilling machine in which the arrangement of the turning support mechanism is changed.
[Explanation of symbols]
1 Drilling machine for concrete slope reinforcement anchors
2 Self-propelled chassis
21 Endless orbit
3 auger punching machine
31 Same Drilling device
32 Same guide frame
33 Same drive motor
34 Coaxial support
35 Same perforated seat
36 Same fixing arm
37 Same upright seat frame
38 Same connecting piece
4 struts
41 Same sliding roller
42 Pivoting axis
43 Temporary fixing piece
44 Chain
5 steady rest arm
51 Same auxiliary arm
6 Lifting support mechanism
7 Turning support mechanism
71 Same vertical axis
72 Same turning board

Claims

On the self-propelled chassis main body, a support column is provided so as to come into contact with and support the middle of the upper end side of the auger punching unit, and the upper ends of each of the pair of steady rest arms are arranged close to each other in the middle of the support column. The lower side of the auger punching machine part is pivotally attached to the lower end side of the auger punching machine, while the lower side is pivotally attached to the lower side of the auger punching machine. In addition to providing a lifting support mechanism that can support and support the lower end of the unit at an appropriate position, it can be rotated around the vertical axis either between the self-propelled chassis main body and the column part or under the steady arm connecting part of the column part. A concrete slope reinforcing anchor drilling machine, characterized in that it is provided with a rotating support mechanism that can be rotated.

On the self-propelled chassis main body equipped with wheels and endless track, etc., the auger drilling machine part upper end halfway abuts and supports a pillar part, and a pair of middle part of the pillar part While pivoting the upper end of each of the steady rest arms so as to be close to each other and pivoting the lower end of each of the lower ends, which are arranged in an expanded manner, to the appropriate position at the lower end side of the auger drilling machine part, On the self-propelled chassis main body, an elevating support mechanism that can contact and support the lower end side of the auger punching machine portion is provided, and between the self-propelled chassis main body and the support column, or a support column portion. A pivot support mechanism that can rotate around the vertical axis is provided below any of the steady arm connecting parts. After contacting and supporting the auger, the auger support mechanism Raise the lower side of the drilling machine, make the auger drilling machine part mounted on the self-propelled chassis body, and when drilling work, lower the lifting support mechanism and ground the auger drilling machine part tip, The auger punching machine part that is in contact with and supported by the upper end of the support column is separated from the upper end of the support column so that it can be drilled in a substantially upright manner with respect to the desired concrete slope. For concrete slope reinforcing anchors, wherein the auger drilling machine part can be rotated over a predetermined angular range with respect to the traveling direction of the self-propelled chassis body by operating the turning support mechanism. Drilling machine.

Upright axis支杆perforations mounting seat body as a rotation fulcrum, rollover freely combined, punching position while fixable in a vertical position to the inclined surface, punching device so as to incorporate integrally upright for seat frame to tip formed in the main body, standing the punching device body of the guide frame abut the auger drilling machine section upper side middle incorporated in movable back and forth relative to, the struts which is adapted to be supported on a self-propelled chassis body In addition, the upper end of each of the pair of steady rest arms is pivotally mounted in the middle of the column portion, and the lower end of each of the lower ends is arranged in an expanded manner. On the self-propelled chassis main body, an elevating support mechanism is provided on the self-propelled chassis main body so as to contact and support the lower position on the lower end side of the auger punching machine. Between the support and the support In any of bracing arm connecting subordinates parts, concrete slope face reinforcement drilling machine anchor, characterized in that shall become provided a swivel support mechanism for rotatable about a vertical axis.

4. The concrete slope reinforcing anchor drilling machine according to any one of claims 1 to 3, wherein a sliding roller that is rotatable about a horizontal axis is incorporated at an upper end of the column portion.

The strut portion is provided with or attached to the upper end thereof with a temporary fixing portion such as a chain, a gripping bracket or a connecting rod that can be temporarily fixed while abutting and supporting the auger punching device portion. Item 4. The concrete slope reinforcing anchor drilling machine according to any one of Items 1 to 3.

The concrete slope reinforcing anchor according to any one of claims 1 to 3, wherein the turning support mechanism is provided with a turning brake that can be temporarily fixed in a state in which turning is prevented, and that can be temporarily released. Drilling machine.

4. The concrete slope reinforcing anchor according to claim 1, wherein the steady rest arm is provided with an auxiliary arm that can be temporarily fixed on either the self-propelled chassis main body or the turning support mechanism. Drilling machine.