JP5117997B2 - Guide bar fixing jig - Google Patents

Guide bar fixing jig Download PDF

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JP5117997B2
JP5117997B2 JP2008283141A JP2008283141A JP5117997B2 JP 5117997 B2 JP5117997 B2 JP 5117997B2 JP 2008283141 A JP2008283141 A JP 2008283141A JP 2008283141 A JP2008283141 A JP 2008283141A JP 5117997 B2 JP5117997 B2 JP 5117997B2
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arm
guide rod
hollow column
fixed
fixing jig
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JP2010112008A (en
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博保 皆吉
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博保 皆吉
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Description

本発明は、下部の所定長部分が地中に埋設されて地上に立設された例えば鋼管柱やコンクレート製の電柱などの中空柱の中心軸にガイド棒を固定的に設定するためのガイド棒固定用治具に関する。   The present invention provides a guide for fixedly setting a guide rod on the central axis of a hollow column such as a steel pipe column or a concrete pole made up of a predetermined length of a lower portion embedded in the ground and standing on the ground. The present invention relates to a rod fixing jig.

鋼管柱やコンクリート製の電柱などの中空柱は、通常、下部の所定長部分が地中に埋設されて地上に立設される。このような中空柱は、筒状の中空柱であり、その内部は空洞、すなわち中空となっている。   A hollow column such as a steel pipe column or a concrete electric pole is usually erected on the ground with a predetermined lower portion buried in the ground. Such a hollow column is a cylindrical hollow column, and the inside is hollow, that is, hollow.

このような中空柱においては、下部は地中に埋設されているため、強固であるが、この下部から上方に伸び出た地上部分と下部との境の地際、すなわち中空柱の地中に埋設された地中部分と地上に立設された地上部分との境の地際が特に他の部分に比較して脆弱であるとともに、この地際部分に限らず全体的に中空であるため、地際より上方の部分も脆弱である。   In such a hollow column, the lower part is buried in the ground, so it is strong, but at the border between the ground part and the lower part extending upward from this lower part, that is, in the ground of the hollow column The border between the buried underground part and the ground part standing on the ground is particularly weak compared to other parts, and it is hollow as a whole, not limited to this part. The part above the ground is also fragile.

このように脆弱な中空柱を補強するために、中空柱内に例えばアラミドロッドやＰＣ鋼線などの補強用棒状部材を中空柱の長手方向に複数挿入することが行なわれている。この複数の補強用棒状部材は、中空柱の周方向に等角度で均等に配設されるとともに、中空柱の半径方向においても同じ距離のところに配設されることが中空柱の補強のためには必要である。このように複数の補強用棒状部材を中空柱内において周方向に等角度で均等にかつ中空柱の半径方向においても同じ距離のところに配設するために中空柱の中心軸を確定し、この中心軸を中心にして補強用棒状部材を適確に配設することが必要である。   In order to reinforce such a fragile hollow column, a plurality of reinforcing rod-shaped members such as aramid rods and PC steel wires are inserted into the hollow column in the longitudinal direction of the hollow column. The plurality of reinforcing rod-shaped members are arranged at equal angles in the circumferential direction of the hollow column and are disposed at the same distance in the radial direction of the hollow column in order to reinforce the hollow column. Is necessary. Thus, in order to arrange a plurality of reinforcing rod-shaped members equally in the circumferential direction at equal angles in the hollow column and at the same distance in the radial direction of the hollow column, the central axis of the hollow column is determined, It is necessary to dispose the reinforcing rod-shaped member accurately around the central axis.

中空柱の中心軸を確定するために、中空柱内にガイド棒を挿入し、このガイド棒を中空柱の中心軸に固定的に設定するようにしている。そして、ガイド棒を中空柱の中心軸に正確に固定するために、例えば図６、７に示す例では、ガイド棒固定用治具４３を使用し、このガイド棒固定用治具４３にガイド棒２７を挿入して、ガイド棒２７を中空柱の中心軸に設定している（特許文献１参照）。   In order to determine the central axis of the hollow column, a guide rod is inserted into the hollow column, and this guide rod is fixedly set to the central axis of the hollow column. In order to accurately fix the guide rod to the central axis of the hollow column, for example, in the example shown in FIGS. 6 and 7, a guide rod fixing jig 43 is used, and the guide rod fixing jig 43 is connected to the guide rod. 27 is inserted, and the guide rod 27 is set to the central axis of the hollow column (see Patent Document 1).

この従来のガイド棒固定用治具４３は、複数組（図６、７では３組）の上腕４３ａと下腕４３ｂから構成され、これらの上腕４３ａと下腕４３ｂは図６に示すように両者の連結部５１が屈曲して開いた状態と図７に示すように閉じてつぼんだ状態をとることができ、この閉じてつぼんだ状態でガイド棒２７とともに中空柱内に挿入される。そして、ガイド棒固定用治具４３は、この閉じてつぼんだ状態で中空柱内に挿入された後、図６に示すように連結部５１を屈曲させて開くと、この連結部５１が図８に示すように中空柱３の内周面に当接することになり、これによりガイド棒２７は中空柱３の中心軸に設定されることになる。
特願２００８−２３２４８１号 This conventional guide rod fixing jig 43 is composed of a plurality of sets (three sets in FIGS. 6 and 7) of an upper arm 43a and a lower arm 43b, and these upper arm 43a and lower arm 43b are both shown in FIG. The connecting portion 51 can be bent and opened, and can be closed and closed as shown in FIG. 7, and the closed and closed state is inserted into the hollow column together with the guide rod 27. Then, after the guide rod fixing jig 43 is inserted into the hollow column in the closed and bulged state, the connecting portion 51 is bent and opened as shown in FIG. As a result, the guide rod 27 is set at the central axis of the hollow column 3.
Japanese Patent Application No. 2008-232481

従来のガイド棒固定用治具４３は、図６に示すように、複数組の上腕４３ａと下腕４３ｂが所定の長さに設定されているため、この複数組の上腕４３ａと下腕４３ｂの長さに対応する所定の直径の中空柱に対してのみ有効であり、より大きな直径の中空柱に対しては適用できないという問題がある。   As shown in FIG. 6, the conventional guide bar fixing jig 43 has a plurality of sets of upper arms 43a and lower arms 43b set to a predetermined length. This is effective only for a hollow column having a predetermined diameter corresponding to the length, and cannot be applied to a hollow column having a larger diameter.

本発明は、上記に鑑みてなされたもので、その目的とするところは、任意の大きさの直径を有する中空柱の中心軸に対してガイド棒を固定的に設定できるガイド棒固定用治具を提供することにある。   The present invention has been made in view of the above, and an object of the present invention is to provide a guide bar fixing jig capable of fixedly setting a guide bar with respect to a central axis of a hollow column having a diameter of an arbitrary size. Is to provide.

上記課題を達成するため、請求項１記載のガイド棒固定用治具は、下部の所定長部分が地中に埋設されて地上に立設された中空柱の中心軸にガイド棒を固定的に設定するためのガイド棒固定用治具であって、ガイド棒を挿通され、ガイド棒に固定的に取り付けられた固定部と、この固定部に対して下端が中空柱の周方向に等角度でかつ該下端を中心に上下方向に揺動自在に取り付けられ１枚の板で構成される３組の下腕用長さ調整腕部と、２枚の板を重ねて構成され、かつ前記下腕用長さ調整腕部の上端に下端が上下方向で揺動自在に取り付けられ、前記下腕用長さ調整腕部とで３組の下腕部をそれぞれ構成する３組の下腕用固定腕部と、前記固定部の上方においてガイド棒を挿通され、ガイド棒に対して上下動可能に取り付けられた可動部と、２枚の板を重ねて構成され、かつ前記下腕用固定腕部の上端に下端が上下方向に揺動自在に連結され、該下端と下腕用固定腕部の上端とで連結部を構成する３組の上腕用固定腕部と、１枚の板で構成され、かつ前記上腕用固定腕部の上端に下端が上下方向に揺動自在に取り付けられ、前記下腕用長さ調整腕部に対応するように上端が可動部に対して中空柱の周方向に等間隔でかつ該上端を中心に上下方向に揺動自在に取り付けられ、前記上腕用固定腕部とで３組の上腕部をそれぞれ構成する３組の上腕用長さ調整腕部とを有し、ガイド棒に対して上下動可能に取り付けられた可動部がガイド棒に沿って下降するにつれて、前記上腕用固定腕部と上腕用長さ調整腕部からなる３組の上腕部の下端と、前記下腕用固定腕部と下腕用長さ調整腕部からなる３組の下腕部の上端との連結部が、中空柱の内周面に向かって屈曲し、当該連結部が中空柱の内周面に当接することによりガイド棒を中空柱の中心軸に設定することを要旨とする。 In order to achieve the above object, the guide rod fixing jig according to claim 1 is configured to fix the guide rod to the center axis of the hollow column standing on the ground with a predetermined lower portion embedded in the ground. A guide rod fixing jig for setting, a fixed portion inserted through the guide rod and fixedly attached to the guide rod, and a lower end of the fixed portion at an equal angle in the circumferential direction of the hollow column And three sets of lower arm length adjusting arm portions which are attached to be swingable in the vertical direction around the lower end , and are configured by overlapping two plates, and the lower arm use length lower to the upper end of the adjusting arms are mounted swingably in the vertical direction, three sets of fixed arm for the lower arm of each arrangement three sets of the lower arm portion between the lower arm for length adjustment arm portion And a movable part inserted through the guide bar above the fixed part and attached to the guide bar so as to be movable up and down. When, is formed by stacking two plates, and the lower end to the upper end of the front Symbol lower arm for fixing the arm portions are swingably coupled to the vertical direction, connected at the upper end of the lower end and the fixed arm portion for the lower arm three sets of the upper-arm fixed arm portion constituting the part, consists of a single plate, and the lower end to the upper end of the upper arm fixing arms are mounted pivotably in the vertical direction, before Symbol lower arm for long is the upper end so as to correspond to the adjusting arms are centered swingably mounted in the vertical direction at equal intervals and and upper end in the circumferential direction of the hollow column with respect to the movable section, 3 between the upper-arm fixed arm portion as and a pair of three pairs of the upper arm portion constituting respective upper-arm length adjusting arms, movable part mounted for vertical movement relative to the guide bar is lowered along the guide rod, for the upper arm and the lower end of the three sets of upper arm composed of the fixed arm portion and the upper arm length adjusting arms, fixed arm portion and the length adjustment lower arm for the lower arm Connection of three pairs of the upper end of the lower arm portion consisting of part is bent toward the inner circumferential surface of the hollow column, by which the connecting part abuts against the inner peripheral surface of the hollow pillar guide rods of the hollow pillar The gist is to set the central axis.

請求項１記載のガイド棒固定用治具では、ガイド棒に対して上下動可能に取り付けられた可動部がガイド棒に沿って下降するにつれて、上腕用固定腕部と上腕用長さ調整腕部からなる３組の上腕部の下端と、下腕用固定腕部と下腕用長さ調整腕部からなる３組の下腕部の上端との連結部が、中空柱の内周面に向かって屈曲し、当該連結部が中空柱の内周面に当接することによりガイド棒を中空柱の中心軸に設定するため、ガイド棒を中空柱の中心軸に適確に設定することができるとともに、２枚の板を重ねて構成される下腕用固定腕部と上腕用固定腕部に対し、それぞれ１枚の板で構成される下腕用長さ調整腕部と上腕用長さ調整腕部を長さの異なる別のものに交換することにより、ガイド棒固定用治具が適用される中空柱が限定されず、任意の直径の中空柱に容易に適用することができ、応用範囲が広まるとともに、中空柱の大きさに合わせていちいちガイド棒固定用治具を作成する必要がなくなり、標準品として在庫化することができ、効率化、経済化を図ることができる。 In the guide rod fixing jig according to claim 1 , the upper arm fixed arm portion and the upper arm length adjusting arm portion as the movable portion attached to the guide rod so as to move up and down descends along the guide rod. three sets of the lower end of the upper arm composed of the connecting portion between the upper end of the three sets of the lower arm portion comprising a fixed arm portion and the lower arm for length adjustment arms for the lower arm, towards the inner peripheral surface of the hollow pillar Since the guide rod is set as the central axis of the hollow column by bending and connecting the contact portion to the inner peripheral surface of the hollow column, the guide rod can be accurately set as the central axis of the hollow column. Lower arm length adjustment arm and upper arm length adjustment arm each composed of one plate with respect to the lower arm fixed arm portion and upper arm fixed arm portion configured by overlapping two plates By replacing the part with another one with a different length, the hollow column to which the guide rod fixing jig is applied is not limited. It can be easily applied to hollow columns of the desired diameter, and the range of application is widened, and it is no longer necessary to create a jig for fixing the guide rods according to the size of the hollow column, and it should be stocked as a standard product. It is possible to improve efficiency and economy.

請求項２記載のガイド棒固定用治具は、前記下腕用長さ調整腕部および上腕用長さ調整腕部は、比較的容易に取り外せて、別の異なる長さの下腕用長さ調整腕部および上腕用長さ調整腕部と交換することが可能であるように構成されていることを要旨とする。 Guide rod fixing jig of claim 2, wherein, the pre-Symbol lower arm for length adjustment arm portion and the arm for length adjustment arm portion, and detachable relative ease under another different lengths and gist that it is configured so as to be able to replace the arm for length adjustment arm portion and the arm for length adjustment arm portion.

請求項２記載のガイド棒固定用治具では、下腕用長さ調整腕部および上腕用長さ調整腕部は比較的容易に取り外せて、別の異なる長さの下腕用長さ調整腕部および上腕用長さ調整腕部と交換することが可能であるため、ガイド棒固定用治具が適用される中空柱が限定されず、任意の直径の中空柱に容易に適用することができる。 The second aspect of the guide rod fixing jig, beauty on the arm for a length adjusting arms Oyo length adjusting arms for the lower arm is detachable relative ease, length for the lower arm of another, different lengths because it is possible to replace the adjusted arms and on arms for length adjustment arm portion is not limited hollow pillar guide rod fixing jig is applied easily to hollow column of any diameter Can be applied to.

請求項３記載のガイド棒固定用治具は、前記固定部と可動部との間のガイド棒に固定され、ガイド棒に沿って下降する可動部が当って、可動部のそれ以上の下降を阻止するストッパーを有することを要旨とする。   The guide rod fixing jig according to claim 3 is fixed to the guide rod between the fixed portion and the movable portion, hits the movable portion descending along the guide rod, and further lowers the movable portion. The gist is to have a stopper to prevent.

請求項３記載のガイド棒固定用治具では、可動部がストッパーに当って必要以上の下降を防止することができる。   In the guide rod fixing jig according to the third aspect, the movable portion can contact the stopper to prevent the lowering than necessary.

本発明によれば、ガイド棒に対して上下動可能に取り付けられた可動部がガイド棒に沿って下降するにつれて、上腕用固定腕部と上腕用長さ調整腕部からなる３組の上腕部の下端と、下腕用固定腕部と下腕用長さ調整腕部からなる３組の下腕部の上端との連結部が、中空柱の内周面に向かって屈曲し、当該連結部が中空柱の内周面に当接することによりガイド棒を中空柱の中心軸に設定するので、ガイド棒を中空柱の中心軸に適確に設定することができるとともに、それぞれ１枚の板で構成される下腕用長さ調整腕部と上腕用長さ調整腕部を長さの異なる別のものに交換することにより、ガイド棒固定用治具が適用される中空柱が限定されず、任意の直径の中空柱に容易に適用することができ、応用範囲が広まるとともに、中空柱の大きさに合わせていちいちガイド棒固定用治具を作成する必要がなくなり、標準品として在庫化することができ、効率化、経済化を図ることができる。 According to the present invention, the movable portion mounted for vertical movement relative to the guide rods as it descends along the guide rod hand, fixed arm portion for the upper arm and the upper arm 3 sets of having a length adjusting arms for and the lower end of the upper arm, the connecting portion between the upper end of the three sets of the lower arm portion comprising a fixed arm portion and the lower arm for length adjustment arms for the lower arm, bent toward the inner circumferential surface of the hollow column, the Since the guide portion is set to the central axis of the hollow column by the contact of the connecting portion with the inner peripheral surface of the hollow column, the guide rod can be accurately set to the central axis of the hollow column . By replacing the length adjustment arm for the lower arm and the length adjustment arm for the upper arm, which are made of plates, with different lengths, the hollow column to which the guide rod fixing jig is applied is limited. Therefore, it can be easily applied to hollow columns of any diameter, and the application range is widened and the size of the hollow columns is increased. It is not necessary to create a one by one guide rod fixing jig Te Align, can stock as standard, can be achieved more efficient, the economy.

また、本発明によれば、下腕用長さ調整腕部および上腕用長さ調整腕部は比較的容易に取り外せて、別の異なる長さの下腕用長さ調整腕部および上腕用長さ調整腕部と交換することが可能であるので、ガイド棒固定用治具が適用される中空柱が限定されず、任意の直径の中空柱に容易に適用することができる。
Further, according to the present invention, beauty on the arm for a length adjusting arms Oyo length adjusting arms for the lower arm is detached relatively easily, the length adjusting arms Contact for the lower arm of another, different lengths since it is possible to exchange a good beauty upper arm for length adjustment arm portion is not limited hollow pillar guide rod fixing jig is applied, to be easily applied to hollow column of any diameter it can.

以下、図面を用いて、本発明を実施するための最良の形態(以下、実施形態と称する)を説明する。   Hereinafter, the best mode for carrying out the present invention (hereinafter referred to as an embodiment) will be described with reference to the drawings.

図１は、本発明の一実施形態に係わるガイド棒固定用治具の構造を示す斜視図である。同図に示すガイド棒固定用治具１は、中空柱３の中心軸にガイド棒５を固定的に設定している状態で図示されている。   FIG. 1 is a perspective view showing the structure of a guide bar fixing jig according to an embodiment of the present invention. The guide rod fixing jig 1 shown in the figure is shown in a state where the guide rod 5 is fixedly set on the central axis of the hollow column 3.

このガイド棒固定用治具１は、ガイド棒５を挿通され、ガイド棒５に固定的に取り付けられた固定部１１およびこの固定部１１の上方においてガイド棒５を挿通され、ガイド棒５に対して上下動可能に取り付けられた可動部１３を有する。また、ガイド棒固定用治具１は、ほぼ真中で「く」の字状に屈曲した複数組、本実施形態では３組の腕部１５を有し、各腕部１５の下端は固定部１１に上下方向に揺動自在に取り付けられ、上端は可動部１３に上下方向に揺動自在に取り付けられている。   The guide rod fixing jig 1 is inserted through the guide rod 5, the fixed portion 11 fixedly attached to the guide rod 5, and the guide rod 5 is inserted above the fixed portion 11. The movable portion 13 is attached so as to be movable up and down. In addition, the guide rod fixing jig 1 has a plurality of sets of arm portions 15 bent in the shape of a “<” in the middle, and in this embodiment, three sets of arm portions 15. The upper end is attached to the movable portion 13 so as to be swingable in the vertical direction.

各腕部１５は、前記屈曲した部分を中心として下方および上方に延出した下腕１７と上腕１９を有し、各下腕１７は下端が固定部１１に対して上下方向に揺動自在に取り付けられた下腕用長さ調整腕部１７ａと該下腕用長さ調整腕部１７ａの上端に対して下端が上下方向で揺動自在に取り付けられた下腕用固定腕部１７ｂとから構成されている。また、各上腕１９は上端が可動部１３に対して上下方向に揺動自在に取り付けられた上腕用長さ調整腕部１９ａと該上腕用長さ調整腕部１９ａの下端に対して上端が上下方向で揺動自在に連結された上腕用固定腕部１９ｂとから構成されている。   Each arm portion 15 has a lower arm 17 and an upper arm 19 that extend downward and upward with the bent portion as a center, and each lower arm 17 has a lower end that can swing up and down with respect to the fixed portion 11. A lower arm length adjustment arm portion 17a and a lower arm fixed arm portion 17b whose lower end is swingably attached to the upper end of the lower arm length adjustment arm portion 17a. Has been. Each upper arm 19 has an upper arm whose upper end is vertically swingable with respect to the movable portion 13 and whose upper end is vertically movable with respect to the lower end of the upper arm length adjusting arm 19a. The upper arm fixed arm portion 19b is swingably connected in the direction.

なお、下腕用固定腕部１７ｂおよび上腕用固定腕部１９ｂは、同じ形状の２枚の板を重ねて構成されているが、下腕用長さ調整腕部１７ａおよび上腕用長さ調整腕部１９ａは、１枚の板で構成されていて、これらの下腕用長さ調整腕部１７ａと上腕用長さ調整腕部１９ａは、ねじなどをはずして、長さが異なる別の下腕用長さ調整腕部１７ａおよび上腕用長さ調整腕部１９ａにそれぞれ容易に交換できるように取り付けられている。すなわち、これらの下腕用長さ調整腕部１７ａと上腕用長さ調整腕部１９ａを取り外して、例えば別の長さがより長い異なるものに交換すれば、図１に示すように、屈曲した複数の腕部１５の連結部２１が内周面に当接する中空柱３の直径がより大きなものに適用できるようになる。   The lower arm fixed arm portion 17b and the upper arm fixed arm portion 19b are configured by overlapping two plates having the same shape, but the lower arm length adjusting arm portion 17a and the upper arm length adjusting arm. The portion 19a is composed of a single plate. The lower arm length adjusting arm portion 17a and the upper arm length adjusting arm portion 19a are different lower arms having different lengths by removing screws or the like. It is attached to the length adjustment arm portion 17a for use and the length adjustment arm portion 19a for the upper arm so that they can be easily replaced. That is, if the lower arm length adjusting arm portion 17a and the upper arm length adjusting arm portion 19a are removed and replaced with a different one having a longer length, for example, as shown in FIG. It becomes possible to apply the hollow column 3 having a larger diameter to which the connecting portions 21 of the plurality of arm portions 15 abut on the inner peripheral surface.

下腕用固定腕部１７ｂの上端と上腕用固定腕部１９ｂの下端が「く」の字状に屈曲して連結した連結部２１は、図１においては中空柱３の内周面に当接している。このように連結部２１が中空柱３の内周面に当接することにより、ガイド棒５を中空柱３の中心軸に設定することが可能となる。   The connecting portion 21 in which the upper end of the lower arm fixed arm portion 17b and the lower end of the upper arm fixed arm portion 19b are bent and connected in a "<" shape contacts the inner peripheral surface of the hollow column 3 in FIG. ing. In this way, the connecting portion 21 abuts against the inner peripheral surface of the hollow column 3, whereby the guide rod 5 can be set as the central axis of the hollow column 3.

また、可動部１３の直下のガイド棒５には、ストッパー２３が小ねじなどにより固定されている。ガイド棒５に対して上下動可能に取り付けられた可動部１３がこのストッパー２３より下方に移動しないようになっている。   Further, a stopper 23 is fixed to the guide bar 5 directly below the movable portion 13 with a small screw or the like. The movable portion 13 attached to the guide bar 5 so as to be movable up and down is prevented from moving below the stopper 23.

ガイド棒固定用治具１は、図１に示すように各腕部１５が屈曲して開いた状態から可動部１３がガイド棒５に沿って上方に引っ張られて移動すると、この可動部１３の上方へに移動に応じて各腕部１５の上腕用長さ調整腕部１９ａの上端が上方に引っ張られ、これにより各腕部１５は屈曲状態から徐々に伸びあがり、最後には図２に示すように各腕部１５は閉じてつぼんだ状態になる。この閉じてつぼんだ状態は、ガイド棒固定用治具１を中空柱３の中に挿入する場合に必要となる状態である。   When the movable part 13 is pulled upward along the guide bar 5 from the state where each arm part 15 is bent and opened as shown in FIG. In accordance with the upward movement, the upper end of the upper arm length adjusting arm 19a of each arm 15 is pulled upward, whereby each arm 15 gradually extends from the bent state, and finally shown in FIG. Thus, each arm portion 15 is in a closed and bud state. This closed and closed state is a state necessary when the guide rod fixing jig 1 is inserted into the hollow column 3.

次に、以上のように構成されるガイド棒固定用治具１を使用して、ガイド棒５を中空柱３の中心軸に設定する操作について図３、４を参照して説明する。   Next, an operation for setting the guide bar 5 as the central axis of the hollow column 3 using the guide bar fixing jig 1 configured as described above will be described with reference to FIGS.

図３はガイド棒固定用治具１を装着したガイド棒５を中空柱３の中に挿入しようとする途中の状態を示しているが、同図に示すように、ガイド棒５を中空柱３の中に挿入するためには、中空柱３の地際から地上約２メートルの側面に例えば幅６センチメートル、長さ４０センチメートル程度の側部開３ｃを中空柱３の長手方向に沿って形成する。そして、この側部開口３ｃからガイド棒５を挿入するが、このとき中空柱３の中に挿入されたガイド棒５の下端が中空柱３の底に当ってから中空柱３の底にめり込まないようにするために、ガイド棒５の下端に図３に示すように小径のめり込み阻止部材２５が取り付けられる。   FIG. 3 shows a state in which the guide rod 5 fitted with the guide rod fixing jig 1 is being inserted into the hollow column 3. As shown in FIG. 3, the guide rod 5 is inserted into the hollow column 3. In order to insert the inside of the hollow column 3, a side opening 3c having a width of about 6 cm and a length of about 40 cm, for example, is formed along the longitudinal direction of the hollow column 3 on the side surface of about 2 meters above the ground. Form. Then, the guide bar 5 is inserted from the side opening 3c. At this time, the lower end of the guide bar 5 inserted into the hollow column 3 hits the bottom of the hollow column 3 and then turns to the bottom of the hollow column 3. In order to prevent it from entering, a small-diameter penetration preventing member 25 is attached to the lower end of the guide bar 5 as shown in FIG.

そして、このめり込み阻止部材２５を取り付けられたガイド棒５の下端より少し上方のガイド棒５に本実施形態のガイド棒固定用治具１を図２に示したように閉じてつぼんだ状態で取り付ける。このガイド棒固定用治具１のガイド棒５への取り付けは、中空柱３の外部においてガイド棒固定用治具１の固定部１１および可動部１３にガイド棒５を挿入するとともに、この固定部１１と可動部１３との間のガイド棒５をストッパー２３に挿入する。このガイド棒５の挿入手順は、ガイド棒５を固定部１１または可動部１３に挿入してからストッパー２３に挿入し、最後に可動部１３または固定部１１に挿入する。   Then, the guide rod fixing jig 1 of the present embodiment is attached to the guide rod 5 slightly above the lower end of the guide rod 5 to which the indentation preventing member 25 is attached in a closed and bud state as shown in FIG. . The guide rod fixing jig 1 is attached to the guide rod 5 by inserting the guide rod 5 into the fixed portion 11 and the movable portion 13 of the guide rod fixing jig 1 outside the hollow column 3, and The guide bar 5 between 11 and the movable part 13 is inserted into the stopper 23. The guide rod 5 is inserted by inserting the guide rod 5 into the fixed portion 11 or the movable portion 13, inserting it into the stopper 23, and finally inserting it into the movable portion 13 or the fixed portion 11.

ガイド棒固定用治具１の固定部１１、可動部１３、ストッパー２３にガイド棒５を挿入した後、ガイド棒固定用治具１の固定部１１を所定の位置までガイド棒５上を移動されてから、固定部１１を小ねじなどでガイド棒５に固定して、ガイド棒固定用治具１をガイド棒５に装着する。図３では、ガイド棒５の下端のめり込み阻止部材２５の少し上に固定部１１を固定する。それから、ストッパー２３を固定部１１の少し上でガイド棒５に小ねじなどで固定する。   After the guide rod 5 is inserted into the fixed portion 11, the movable portion 13, and the stopper 23 of the guide rod fixing jig 1, the fixed portion 11 of the guide rod fixing jig 1 is moved over the guide rod 5 to a predetermined position. Then, the fixing portion 11 is fixed to the guide rod 5 with a small screw or the like, and the guide rod fixing jig 1 is attached to the guide rod 5. In FIG. 3, the fixing portion 11 is fixed slightly above the sinking prevention member 25 at the lower end of the guide bar 5. Then, the stopper 23 is fixed to the guide bar 5 with a small screw or the like slightly above the fixing portion 11.

このようにガイド棒固定用治具１の固定部１１およびストッパー２３をガイド棒５に固定してから、ガイド棒固定用治具１の可動部１３を固定部１１、ストッパー２３から離隔させるように移動して複数の腕部１５を図２に示すように閉じてつぼめる。そして、このように腕部１５が閉じてつぼんだ状態でガイド棒固定用治具１を取り付けられたガイド棒５を図３に示すように斜めにして、中空柱３の側部開３ｃから挿入する。   In this way, after fixing the fixed portion 11 and the stopper 23 of the guide rod fixing jig 1 to the guide rod 5, the movable portion 13 of the guide rod fixing jig 1 is separated from the fixed portion 11 and the stopper 23. The plurality of arms 15 are moved and closed as shown in FIG. Then, the guide rod 5 to which the guide rod fixing jig 1 is attached in such a state that the arm portion 15 is closed and bulged is inclined as shown in FIG. 3 and inserted from the side opening 3c of the hollow column 3. To do.

具体的には、まずガイド棒５の下端に取り付けられた小径のめり込み阻止部材２５を側部開口３ｃから中空柱３の中に挿入し、それから図３に示すように閉じてつぼんだ状態のガイド棒固定用治具１を側部開口３ｃから中空柱３の中に斜めに挿入する。中空柱３の中に斜めに挿入した後、ガイド棒固定用治具１を閉じてつぼんだ状態で装着されたガイド棒５を更に中空柱３の中に斜めに下降させながら押し進め、ガイド棒５の全体を中空柱３の中に挿入する。なお、このガイド棒５の挿入は、比較的短い複数のガイド棒５を継ぎ足しながら行なわれてもよい。   Specifically, first, a small-diameter indentation preventing member 25 attached to the lower end of the guide bar 5 is inserted into the hollow column 3 from the side opening 3c, and then closed and closed as shown in FIG. The fixing jig 1 is inserted obliquely into the hollow column 3 from the side opening 3c. After inserting into the hollow column 3 obliquely, the guide rod 5 mounted in a state where the guide rod fixing jig 1 is closed and closed is pushed further downwardly into the hollow column 3 to advance the guide rod 5. Is inserted into the hollow column 3. The guide rod 5 may be inserted while a plurality of relatively short guide rods 5 are added.

ガイド棒５は、ガイド棒固定用治具１を閉じてつぼんだ状態で装着されて中空柱３の中に挿入されると、ガイド棒５は中空柱３の中で真直ぐな状態に設定されるので、この状態でガイド棒５を徐々に中空柱３の中を下降させる。ガイド棒５を中空柱３の中で徐々に下降させると、ガイド棒５に閉じてつぼんだ状態で取り付けられていたガイド棒固定用治具１は、その可動部１３がその自重と複数の腕部１５の重みでガイド棒５に沿って徐々に下降し始め、これにより複数の腕部１５の連結部２１は屈曲し始め、中空柱３の内周面に向かって進む。   When the guide bar 5 is mounted with the guide bar fixing jig 1 closed and closed and inserted into the hollow column 3, the guide bar 5 is set in a straight state in the hollow column 3. Therefore, in this state, the guide bar 5 is gradually lowered in the hollow column 3. When the guide bar 5 is gradually lowered in the hollow column 3, the guide bar fixing jig 1 attached to the guide bar 5 while being closed and bulged has its movable portion 13 having its own weight and a plurality of arms. Due to the weight of the portion 15, it begins to gradually descend along the guide bar 5, whereby the connecting portions 21 of the plurality of arm portions 15 begin to bend and advance toward the inner peripheral surface of the hollow column 3.

そして、ガイド棒５の下端のめり込み阻止部材２５が中空柱３の底に当接する頃または当接する前には、屈曲した複数の腕部１５の連結部２１は、図４に示すように、中空柱３の内周面に当接する。屈曲した複数の連結部２１が中空柱３の内周面に当接すると、ガイド棒固定用治具１に挿入されて保持されているガイド棒５は、中空柱３の周方向に等角度で取り付けられた複数の腕部１５の連結部２１が中空柱３の内周面に当接した時の当接力により中空柱３の内周面から等距離の位置に設定され、これによりガイド棒５は中空柱３の中心軸に正確に設定されることになる。   Then, before or after the intrusion prevention member 25 at the lower end of the guide bar 5 comes into contact with the bottom of the hollow column 3, the connecting portions 21 of the plurality of bent arm portions 15 are, as shown in FIG. 3 abuts against the inner peripheral surface. When the plurality of bent connecting portions 21 come into contact with the inner peripheral surface of the hollow column 3, the guide rod 5 inserted and held in the guide rod fixing jig 1 is equiangular in the circumferential direction of the hollow column 3. The connecting portion 21 of the plurality of attached arm portions 15 is set at a position equidistant from the inner peripheral surface of the hollow column 3 by the contact force when the connecting portion 21 contacts the inner peripheral surface of the hollow column 3. Is accurately set to the central axis of the hollow column 3.

本実施形態のガイド棒固定用治具１は、上述したように構成され作用するが、複数の腕部１５を構成している下腕用長さ調整腕部１７ａおよび上腕用長さ調整腕部１９ａは、上述したように、容易に取り外して、長さが異なる別の下腕用長さ調整腕部１７ａおよび上腕用長さ調整腕部１９ａと交換することができるようになっている。従って、長さが異なる別の下腕用長さ調整腕部１７ａおよび上腕用長さ調整腕部１９ａに交換した場合には、その長さに適した直径を有する中空柱３に簡単に適用することができる。   The guide rod fixing jig 1 of the present embodiment is configured and operates as described above, but the lower arm length adjusting arm portion 17a and the upper arm length adjusting arm portion constituting the plurality of arm portions 15. As described above, 19a can be easily removed and replaced with another lower arm length adjusting arm portion 17a and upper arm length adjusting arm portion 19a having different lengths. Therefore, when the lower arm length adjusting arm portion 17a and the upper arm length adjusting arm portion 19a having different lengths are exchanged, they are easily applied to the hollow column 3 having a diameter suitable for the length. be able to.

なお、下腕用長さ調整腕部１７ａ、上腕用長さ調整腕部１９ａの交換は、本実施形態では下腕用長さ調整腕部１７ａ、上腕用長さ調整腕部１９ａを取り付けているねじを取り外し、別のものを同じねじで取り付けることが必要であるが、この作業は、それほど難しいものではなく、例えば初心者でも容易にできるものである。また、この取り外し、取り付けはねじで行う必要はなく、ねじの代わりに例えばクリック機構などを使用して簡単に行うことも可能である。   In this embodiment, the lower arm length adjusting arm portion 17a and the upper arm length adjusting arm portion 19a are exchanged by attaching the lower arm length adjusting arm portion 17a and the upper arm length adjusting arm portion 19a. Although it is necessary to remove the screw and attach another with the same screw, this task is not so difficult and can be easily done even by beginners, for example. Further, the removal and attachment need not be performed with screws, but can be easily performed using, for example, a click mechanism instead of the screws.

図１に示したガイド棒固定用治具１は、同図に示した直径を有する中空柱３に適用することができるが、この直径よりも大きな直径を有する中空柱３に適用しようとした場合には、ガイド棒固定用治具１は各腕部１５を図１に示すように屈曲しても、ガイド棒固定用治具１の連結部２１は中空柱３の内周面に当接することができず、従ってガイド棒５をこの大きな直径の中空柱３の中心軸に設定することができない。   The guide rod fixing jig 1 shown in FIG. 1 can be applied to the hollow column 3 having the diameter shown in FIG. 1, but when it is intended to be applied to the hollow column 3 having a diameter larger than this diameter. In this case, even if each arm portion 15 of the guide rod fixing jig 1 is bent as shown in FIG. 1, the connecting portion 21 of the guide rod fixing jig 1 is in contact with the inner peripheral surface of the hollow column 3. Therefore, the guide rod 5 cannot be set as the central axis of the hollow column 3 having a large diameter.

そこで、本実施形態のガイド棒固定用治具１では、適用する中空柱３の直径が大きい場合には、長さが短い下腕用長さ調整腕部１７ａ、上腕用長さ調整腕部１９ａの代わりに、当該直径が大きい中空柱３に適用し得る長さを有する別の長い下腕用長さ調整腕部１７ａ、上腕用長さ調整腕部１９ａを使用し、これにより直径が大きい中空柱３に対してもガイド棒５を中心軸に適確に容易に適用し得るようにしているものである。   Therefore, in the guide rod fixing jig 1 of the present embodiment, when the applied hollow pillar 3 has a large diameter, the lower arm length adjusting arm portion 17a and the upper arm length adjusting arm portion 19a are short. Instead of this, another long lower arm length adjusting arm portion 17a and an upper arm length adjusting arm portion 19a having a length applicable to the hollow column 3 having a large diameter are used, whereby a hollow having a large diameter is used. The guide rod 5 can be applied to the column 3 accurately and easily with respect to the central axis.

図５（ａ）、（ｂ）は、それぞれ長さが短い下腕用長さ調整腕部１７ａ、上腕用長さ調整腕部１９ａを使用したガイド棒固定用治具１と長さが長い下腕用長さ調整腕部１７ａａ、上腕用長さ調整腕部１９ａａを使用したガイド棒固定用治具１とを比較して示す斜視図であるが、図５（ａ）、（ｂ）に示す両ガイド棒固定用治具１は、長さが異なる下腕用長さ調整腕部１７ａ、上腕用長さ調整腕部１９ａ、下腕用長さ調整腕部１７ａａ、上腕用長さ調整腕部１９ａａ以外の構成要素および構成は全く同じである。すなわち、ガイド棒固定用治具１の基本的構成は全く同じである。   5 (a) and 5 (b) show a guide rod fixing jig 1 using a lower arm length adjusting arm portion 17a and an upper arm length adjusting arm portion 19a which are short in length and a lower length. FIGS. 5A and 5B are perspective views showing a comparison between the arm length adjusting arm portion 17aa and the guide rod fixing jig 1 using the upper arm length adjusting arm portion 19aa. The both guide rod fixing jigs 1 have a lower arm length adjusting arm portion 17a, an upper arm length adjusting arm portion 19a, a lower arm length adjusting arm portion 17aa, and an upper arm length adjusting arm portion having different lengths. The components and configuration other than 19aa are exactly the same. That is, the basic configuration of the guide rod fixing jig 1 is exactly the same.

図５（ａ）に示す長さが短い下腕用長さ調整腕部１７ａ、上腕用長さ調整腕部１９ａを使用したガイド棒固定用治具１は、直径の小さい図５（ａ）の中空柱３に対してガイド棒５を設定するのに適用し得るが、直径の大きい図５（ｂ）の中空柱３に対しては適用することはできないので、この長さが短い下腕用長さ調整腕部１７ａ、上腕用長さ調整腕部１９ａを取り外し、代わりに図５（ｂ）に示す長さが長い下腕用長さ調整腕部１７ａａ、上腕用長さ調整腕部１９ａａを取り付け、この長さが長い下腕用長さ調整腕部１７ａａ、上腕用長さ調整腕部１９ａａを取り付けられたガイド棒固定用治具１を用いて、ガイド棒５を中空柱３の中心軸に設定する。   The guide rod fixing jig 1 using the lower arm length adjusting arm portion 17a and the upper arm length adjusting arm portion 19a shown in FIG. 5 (a) is short in the diameter of FIG. 5 (a). Although it can be applied to setting the guide rod 5 for the hollow column 3, it cannot be applied to the hollow column 3 of FIG. The length adjusting arm portion 17a and the upper arm length adjusting arm portion 19a are removed, and instead the lower arm length adjusting arm portion 17aa and the upper arm length adjusting arm portion 19aa shown in FIG. The guide rod 5 is attached to the central axis of the hollow column 3 by using the guide rod fixing jig 1 to which the lower arm length adjusting arm portion 17aa and the upper arm length adjusting arm portion 19aa are attached. Set to.

本発明の一実施形態に係わるガイド棒固定用治具の構造を示す斜視図である。It is a perspective view which shows the structure of the jig | tool for guide-rod fixation concerning one Embodiment of this invention. 図１に示す実施形態のガイド棒固定用治具の腕部が閉じてつぼんだ状態を示す斜視図である。It is a perspective view which shows the state which the arm part of the guide rod fixing jig | tool of embodiment shown in FIG. 図１、２に示す実施形態のガイド棒固定用治具を装着したガイド棒を中空柱の中に挿入しようとする途中の状態を示す図である。It is a figure which shows the state in the middle of trying to insert the guide rod which mounted | wore with the guide rod fixation jig | tool of embodiment shown in FIG. 図１、２に示す実施形態のガイド棒固定用治具を装着したガイド棒を中空柱の中に挿入完了し、ガイド棒が中空柱の中心軸に設定された状態を示す図である。It is a figure which shows the state which inserted the guide rod equipped with the jig for fixing the guide rod of the embodiment shown in FIGS. 1 and 2 into the hollow column and the guide rod is set to the central axis of the hollow column. 図１に示す実施形態のガイド棒固定用治具を下腕用長さ調整腕部、上腕用長さ調整腕部について長さが異なるものについて比較して示す斜視図である。It is a perspective view which compares and compares the guide rod fixing jig | tool of embodiment shown in FIG. 1 about the length adjustment arm part for lower arms, and the length adjustment arm part for upper arms. 従来のガイド棒固定用治具を腕部が屈曲して開いた状態で示す斜視図である。It is a perspective view which shows the conventional guide rod fixing jig in the state which the arm part bent and opened. 従来のガイド棒固定用治具を腕部が閉じてつぼんだ状態で示す斜視図である。It is a perspective view which shows the conventional jig | tool for fixing a guide rod in the state where the arm part closed and buds. 従来のガイド棒固定用治具を使用してガイド棒を中空柱の中心軸に設定した状態を示す図である。It is a figure which shows the state which set the guide bar to the center axis | shaft of a hollow column using the conventional jig for fixing a guide bar.

符号の説明Explanation of symbols

1 ガイド棒固定用治具
3 中空柱
５ ガイド棒
１１ 固定部
１３ 可動部
１５ 腕部
１７ 下腕
１７ａ 下腕用長さ調整腕部
１９ 上腕
１９ａ 上腕用長さ調整腕部
２１ 連結部
２３ ストッパー 1 Guide rod fixing jig
3 hollow column 5 guide rod 11 fixed part 13 movable part 15 arm part 17 lower arm 17a lower arm length adjusting arm part 19 upper arm 19a upper arm length adjusting arm part 21 connecting part 23 stopper

Claims (3)

下部の所定長部分が地中に埋設されて地上に立設された中空柱の中心軸にガイド棒を固定的に設定するためのガイド棒固定用治具であって、
ガイド棒を挿通され、ガイド棒に固定的に取り付けられた固定部と、
この固定部に対して下端が中空柱の周方向に等角度でかつ該下端を中心に上下方向に揺動自在に取り付けられ１枚の板で構成される３組の下腕用長さ調整腕部と、
２枚の板を重ねて構成され、かつ前記下腕用長さ調整腕部の上端に下端が上下方向で揺動自在に取り付けられ、前記下腕用長さ調整腕部とで３組の下腕部をそれぞれ構成する３組の下腕用固定腕部と、
前記固定部の上方においてガイド棒を挿通され、ガイド棒に対して上下動可能に取り付けられた可動部と、
２枚の板を重ねて構成され、かつ前記下腕用固定腕部の上端に下端が上下方向に揺動自在に連結され、該下端と下腕用固定腕部の上端とで連結部を構成する３組の上腕用固定腕部と、
１枚の板で構成され、かつ前記上腕用固定腕部の上端に下端が上下方向に揺動自在に取り付けられ、前記下腕用長さ調整腕部に対応するように上端が可動部に対して中空柱の周方向に等間隔でかつ該上端を中心に上下方向に揺動自在に取り付けられ、前記上腕用固定腕部とで３組の上腕部をそれぞれ構成する３組の上腕用長さ調整腕部とを有し、
ガイド棒に対して上下動可能に取り付けられた可動部がガイド棒に沿って下降するにつれて、前記上腕用固定腕部と上腕用長さ調整腕部からなる３組の上腕部の下端と、前記下腕用固定腕部と下腕用長さ調整腕部からなる３組の下腕部の上端との連結部が、中空柱の内周面に向かって屈曲し、当該連結部が中空柱の内周面に当接することによりガイド棒を中空柱の中心軸に設定する
ことを特徴とするガイド棒固定用治具。 A guide rod fixing jig for fixedly setting a guide rod to the central axis of a hollow column that is embedded in the ground and has a predetermined lower portion embedded in the ground,
A fixed portion inserted through the guide rod and fixedly attached to the guide rod;
Three sets of lower arm length adjustment arms each composed of a single plate, the lower end of which is equiangular in the circumferential direction of the hollow column with respect to the fixed portion, and is swingably movable in the vertical direction around the lower end. And
It is formed by stacking two plates, and the lower end to the upper end of the lower arm for length adjustment arm portion is mounted swingably in the vertical direction, under the three sets in and the lower arm for length adjustment arm portion Three sets of lower arm fixed arms each constituting an arm;
A movable part inserted through the guide bar above the fixed part and attached to the guide bar so as to be movable up and down;
Is formed by stacking two plates, and the lower end to the upper end of the front Symbol lower arm for fixing the arm portions are swingably coupled to the vertical direction, the connection portion at the upper end of the lower end and the fixed arm portion for the lower arm Three sets of upper arm fixed arm portions to be configured;
Is composed of one plate, and the lower end to the upper end of the upper arm fixing arms are mounted pivotably in the vertical direction, the upper movable portion so as to correspond to the prior Symbol lower arm for length adjustment arm portion equally spaced at and upper end center pivotally attached to the vertical direction, and three sets of upper-arm length for each structure 3 pairs of the upper arm with said upper arm fixed arm portion in the circumferential direction of the hollow column for An adjustment arm,
As the movable portion mounted for vertical movement relative to the guide bar is lowered along the guide rod, and the lower end of the three sets of upper arm composed of the upper-arm fixed arm portion and the upper arm length adjusting arms, wherein The connecting part of the upper arm of the three lower arm parts consisting of the lower arm fixed arm part and the lower arm length adjusting arm part is bent toward the inner peripheral surface of the hollow column , and the connecting part is A guide rod fixing jig characterized in that the guide rod is set at the central axis of the hollow column by contacting the inner peripheral surface. 前記下腕用長さ調整腕部および上腕用長さ調整腕部は、比較的容易に取り外せて、別の異なる長さの下腕用長さ調整腕部および上腕用長さ調整腕部と交換することが可能であるように構成されていることを特徴とする請求項１記載のガイド棒固定用治具。 Before Symbol lower arm for length adjustment arm portion and the arm for length adjustment arm portion is relatively easily detachable by, for beauty on arms Oyo length adjusting arms for the lower arm of another, different lengths 2. The guide bar fixing jig according to claim 1, wherein the jig is configured to be exchangeable with a length adjusting arm. 前記固定部と可動部との間のガイド棒に固定され、ガイド棒に沿って下降する可動部が当って、可動部のそれ以上の下降を阻止するストッパーを有することを特徴とする請求項１または２記載のガイド棒固定用治具。 2. A stopper which is fixed to a guide rod between the fixed portion and the movable portion and which is brought into contact with the movable portion descending along the guide rod and prevents further lowering of the movable portion. Or the guide rod fixing jig of 2.
JP2008283141A 2008-11-04 2008-11-04 Guide bar fixing jig Expired - Fee Related JP5117997B2 (en)

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