JP7019493B2 - Drilling equipment stand - Google Patents

Drilling equipment stand Download PDF

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JP7019493B2
JP7019493B2 JP2018072591A JP2018072591A JP7019493B2 JP 7019493 B2 JP7019493 B2 JP 7019493B2 JP 2018072591 A JP2018072591 A JP 2018072591A JP 2018072591 A JP2018072591 A JP 2018072591A JP 7019493 B2 JP7019493 B2 JP 7019493B2
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stand
excavator
diameter
frame body
expanding device
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JP2019183444A (en
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浩司 高山
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Nippon Sharyo Ltd
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Nippon Sharyo Ltd
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Description

本発明は、掘削装置用スタンドに関し、詳しくは、アースドリルの先端に着脱可能に装着される掘削装置を、非使用時に立設状態で保持しておくための掘削装置用スタンドに関する。 The present invention relates to a stand for an excavator, and more particularly to a stand for an excavator for holding an excavator detachably attached to the tip of an earth drill in an upright state when not in use.

アースドリルは、一般に、先端に掘削装置を装着したケリーバを回転させながら地中に押し込んで掘削作業を行うもので、作業の進行に伴って各種の掘削装置が選択的に装着される。掘削装置には、例えば、掘削孔の最深部を拡径する拡底バケットや中間部に大径の節部を形成する拡径装置などが用いられている。このため、非使用時の掘削装置を適宜なスタンドによって保持した状態で保管したり、輸送時の姿勢に保持したりする架台が必要になる。そこで、これらの掘削装置用架台として、拡底バケットを立てた状態で保持できるとともに、輸送の際には寝かせた状態でトラックに載置可能な拡底バケット用スタンドが開発されている(例えば、特許文献1参照。)。 In general, an earth drill is used to perform excavation work by pushing a keriba with an excavation device attached to the tip into the ground while rotating it, and various excavation devices are selectively attached as the work progresses. As the drilling device, for example, a bottom-expanding bucket that expands the diameter of the deepest part of the drilling hole, a diameter-expanding device that forms a large-diameter node in the middle portion, and the like are used. For this reason, it is necessary to have a stand for storing the excavator when not in use in a state of being held by an appropriate stand or holding it in a posture during transportation. Therefore, as a stand for these excavators, a stand for an expanded bucket that can be held in an upright state and can be placed on a truck in a state of being laid down during transportation has been developed (for example, Patent Documents). See 1.).

特開2010-31633号公報Japanese Unexamined Patent Publication No. 2010-31633

上述の特許文献1に記載された拡底バケット用スタンドには、上部にフック状の固定具が設けられており、掘削装置がスタンドから抜け出ることを防止している。しかし、スタンドから掘削装置を取り出す際に、あらかじめ固定具を外しておく必要があることから、掘削装置を移動させるたびにスタンド上部に上って固定具を外す手間が生じていた。 The bottom-expanding bucket stand described in Patent Document 1 described above is provided with a hook-shaped fixture at the upper portion to prevent the excavator from coming out of the stand. However, since it is necessary to remove the fixture in advance when the excavator is taken out from the stand, it is troublesome to go up to the upper part of the stand and remove the fixture every time the excavator is moved.

そこで本発明は、掘削装置の保持とその解除を容易に行うことができる保持部材を備えた掘削装置用スタンドを提供することを目的としている。 Therefore, an object of the present invention is to provide a stand for an excavator provided with a holding member capable of easily holding and releasing the excavator.

上記目的を達成するため、本発明の掘削装置用スタンドは、アースドリルのケリーバ先端に着脱可能に装着される掘削装置を保持する掘削装置用スタンドであって、複数の枠材によってそれぞれ枠組みされた下部枠体及び上部枠体と、上下両枠体に上下両端部がそれぞれ接合された複数の縦枠材とを備え、前記上部枠体の前部中央には、前記掘削装置の上部が水平方向に出入り可能な開口部を有し、前記下部枠体には、前記開口部に対応した下方位置に前記掘削装置の下部を保持する下部保持部材を有し、該下部保持部材は、前記掘削装置の下端に設けられた突出部が垂直方向に嵌合可能な筒部材と、前記突出部が前記筒部材から上方に抜け出ることを防止する係止部材とを備えていることを特徴としている。 In order to achieve the above object, the excavator stand of the present invention is an excavator stand that holds an excavator that is detachably attached to the tip of a keriba of an earth drill, and is each framed by a plurality of frame materials. A lower frame body and an upper frame body, and a plurality of vertical frame materials in which upper and lower end portions are joined to both upper and lower frame bodies, respectively, and an upper portion of the excavator is located in the horizontal direction at the center of the front portion of the upper frame body. The lower frame body has a lower holding member for holding the lower part of the excavator at a lower position corresponding to the opening, and the lower holding member is the excavator. It is characterized in that the protruding portion provided at the lower end of the cylinder member is provided with a tubular member that can be fitted in the vertical direction, and a locking member that prevents the protruding portion from coming out of the tubular member upward.

また、前記掘削装置は、内外方向に揺動可能な翼部材を備えた拡径装置であり、前記係止部材は、前記翼部材の下端部が連結される支持部材に係止可能に設けられていることを特徴とし、前記上部枠体は、前記スタンドに対して前記掘削装置が傾くことを防止する上部保持部材を備えていることを特徴としている。 Further, the excavating device is a diameter expanding device provided with a wing member that can swing in the inward and outward directions, and the locking member is provided so as to be able to be locked to a support member to which a lower end portion of the wing member is connected. The upper frame is characterized by including an upper holding member for preventing the excavator from tilting with respect to the stand.

本発明の掘削装置用スタンドによれば、下部保持部材に、掘削装置の突出部が嵌合可能な筒部材と、突出部の抜け出しを防止する係止部材とを備えているので、スタンド上部に上って固定具を外す手間がなくなり、地上にいながら掘削装置の保持とその解除を容易に行うことができる。また、係止部材が拡径装置の翼部材を支持する支持部材に係止可能に設けられているので、拡径装置の保持に好適なスタンドとして構成することができる。さらに、スタンドに対して掘削装置が傾くことを防止する上部保持部材を備えているので、吊り上げによる移動をより安全に行うことができる。 According to the stand for an excavator of the present invention, the lower holding member is provided with a tubular member into which the protruding portion of the excavating device can be fitted and a locking member for preventing the protruding portion from coming off. There is no need to go up and remove the fixture, and the excavator can be easily held and released while on the ground. Further, since the locking member is provided so as to be able to be locked to the support member that supports the wing member of the diameter expansion device, it can be configured as a stand suitable for holding the diameter expansion device. Further, since the upper holding member for preventing the excavator from tilting with respect to the stand is provided, the movement by lifting can be performed more safely.

本発明の一形態例を示す掘削装置用スタンドの正面図である。It is a front view of the stand for the excavator which shows the example of one embodiment of this invention. 同じく側面図である。It is also a side view. 同じく平面図である。It is also a plan view. 図1のIV-IV断面図である。FIG. 6 is a sectional view taken along line IV-IV of FIG. 掘削装置を保持した状態を示す掘削装置用スタンドの正面図である。It is a front view of the stand for an excavator which shows the state which holds the excavator. 同じく側面図である。It is also a side view. 同じく平面図である。It is also a plan view. 図5のVIII-VIII断面図である。FIG. 5 is a cross-sectional view taken along the line VIII-VIII of FIG.

図1乃至図8は、本発明の掘削装置用スタンドの一形態例を示すもので、本形態例に示す掘削装置用スタンド(以下、スタンドと称する。)11は、図1乃至図4に示すように、複数の枠材によってそれぞれ枠組みされた下部枠体12及び上部枠体13と、上下両枠体12,13に上下両端部がそれぞれ接合された複数の縦枠材14と、所要位置に配置された複数の補強材15とを結合することによって略直方体状に枠組みされている。 1 to 8 show an example of an excavator stand of the present invention, and the excavator stand (hereinafter referred to as a stand) 11 shown in the present embodiment is shown in FIGS. 1 to 4. As described above, the lower frame body 12 and the upper frame body 13 framed by the plurality of frame materials, and the plurality of vertical frame members 14 having the upper and lower end portions joined to the upper and lower frame bodies 12 and 13, respectively, at the required positions. It is framed in a substantially rectangular shape by connecting a plurality of arranged reinforcing members 15.

下部枠体12は、4本の外枠材12aによって矩形状に枠組みされたもので、前部両隅には補強材12bが設けられている。また、下部枠体12の中央部には、前後方向に架け渡された左右一対の補強材12c,12cの上面に、後述する掘削装置の一つである拡径装置16の下部を保持するための下部保持部材17が設けられている。 The lower frame body 12 is framed in a rectangular shape by four outer frame members 12a, and reinforcing members 12b are provided at both front corners. Further, in the central portion of the lower frame body 12, in order to hold the lower part of the diameter expanding device 16 which is one of the drilling devices described later on the upper surfaces of the pair of left and right reinforcing members 12c and 12c spanned in the front-rear direction. The lower holding member 17 is provided.

下部保持部材17は、拡径装置16を立てた状態で保持する際や寝かせた状態で輸送する際に固定具として用いられ、拡径装置16の下端に設けられた突出部が垂直方向に嵌合可能な筒部材17aを複数の補強材17bにより補強するとともに、その左右両側部には、拡径装置16の下部を支持する支持板17c,17cが設けられている。また、支持板17cの前後両側部には、前側が後側よりも上下に短い寸法に設定された一組の二股部17d,17eが設けられている。そして、L字状の係止部材17fの一端部が前側の二股部17eに挿入されて、回動ピン18で前後方向に回動可能となり、他端部が後側の二股部17dに挿入されて、固定ピン19で止着可能となっている。 The lower holding member 17 is used as a fixing tool when the diameter expanding device 16 is held in an upright position or when it is transported in a laid state, and a protruding portion provided at the lower end of the diameter expanding device 16 is vertically fitted. The compatible tubular member 17a is reinforced by a plurality of reinforcing members 17b, and support plates 17c and 17c for supporting the lower portion of the diameter expanding device 16 are provided on both left and right sides thereof. Further, a pair of bifurcated portions 17d and 17e are provided on both front and rear portions of the support plate 17c so that the front side is vertically shorter than the rear side. Then, one end of the L-shaped locking member 17f is inserted into the front bifurcated portion 17e so that it can be rotated in the front-rear direction by the rotation pin 18, and the other end is inserted into the rear bifurcated portion 17d. Therefore, it can be fixed with the fixing pin 19.

上部枠体13は、両側部及び後部に配置された3本の外枠材13aにより前側が開口した平面視コ字状に組み立てられ、開口側には複数の補強材13bが枠組みされることにより、閉じ状態の拡径装置16の上部が水平方向に出入り可能な開口幅を有する開口部20が設けられている。さらに、開口部20の縁部中央には、拡径装置16の上部を保持するための上部保持部材21が設けられている。この上部保持部材21は、拡径装置16をスタンド11に保持して吊り上げる際や輸送する際に固定具として用いられ、左右一対のブラケット21a,21aに挿通した固定ピン22に拡径装置16の上部が係合するように構成されている。 The upper frame body 13 is assembled in a U-shape in a plan view with the front side opened by three outer frame materials 13a arranged on both sides and the rear part, and a plurality of reinforcing materials 13b are framed on the opening side. The upper portion of the diameter expanding device 16 in the closed state is provided with an opening 20 having an opening width that allows entry and exit in the horizontal direction. Further, an upper holding member 21 for holding the upper portion of the diameter expanding device 16 is provided at the center of the edge portion of the opening 20. The upper holding member 21 is used as a fixing tool when the diameter-expanding device 16 is held on the stand 11 and lifted or transported, and the diameter-expanding device 16 is attached to a fixing pin 22 inserted through a pair of left and right brackets 21a and 21a. The top is configured to engage.

上部枠体13の上面には、スタンド11を立てて拡径装置16をアースドリルのケリーバ(図示せず)に着脱したり、油圧配管を着脱したりする際の作業用足場となる金網状部材により形成された足場部材23と、該足場部材23の開口部20部分を除く外周を囲むようにして足場部材23の外縁部から垂直方向に立設した手摺部材24とが設けられている。また、スタンド11の後面には、足場部材23に昇降する際に使用する昇降用梯子25が縦枠材14に沿って一体的に設けられている。 A wire mesh member that serves as a scaffold for work when a stand 11 is erected on the upper surface of the upper frame body 13 to attach / detach the diameter expanding device 16 to / from the Keriba (not shown) of the earth drill or to attach / detach the hydraulic pipe. A scaffolding member 23 formed by the scaffolding member 23 and a handrail member 24 standing vertically from the outer edge portion of the scaffolding member 23 so as to surround the outer periphery excluding the opening 20 portion of the scaffolding member 23 are provided. Further, on the rear surface of the stand 11, an elevating ladder 25 used for ascending / descending to the scaffolding member 23 is integrally provided along the vertical frame member 14.

前部側の縦枠材14の前面には、上下方向に取付位置の異なる複数の吊り金具が設けられており、上部枠体13の近傍に設けられた左右一対の上部吊り金具26,26と、下部枠体12の近傍に設けられた左右一対の下部吊り金具27,27と、上部吊り金具26と下部吊り金具27との中間部に設けられた左右一対の中間部吊り金具28,28とで構成されている。各吊り金具26,27,28は、略三角状に形成された厚板材を縦枠材14に先端を若干内側に向けて溶接したものであって、前端部には吊上げ用ロープ(図示せず)が取り付けられる吊り孔26a,27a,28aがそれぞれ設けられている。 On the front surface of the vertical frame member 14 on the front side, a plurality of hanging metal fittings having different mounting positions in the vertical direction are provided, and a pair of left and right upper hanging metal fittings 26, 26 provided in the vicinity of the upper frame body 13 are provided. , A pair of left and right lower hanging brackets 27, 27 provided in the vicinity of the lower frame body 12, and a pair of left and right intermediate hanging brackets 28, 28 provided in the intermediate portion between the upper hanging bracket 26 and the lower hanging bracket 27. It is composed of. Each of the hanging metal fittings 26, 27, and 28 is made by welding a thick plate material formed in a substantially triangular shape to a vertical frame material 14 with its tip slightly inward, and a lifting rope (not shown) at the front end. ) Are attached to the suspension holes 26a, 27a, 28a, respectively.

このように形成されたスタンド11は、ケリーバ先端から取り外された非使用時の拡径装置16を立てた状態で収容して保持する。そこで、以下では、拡径装置16の保持構造について、図5乃至図8を参照しながら説明する。 The stand 11 thus formed accommodates and holds the unused diameter-expanding device 16 removed from the tip of the kelly bar in an upright position. Therefore, in the following, the holding structure of the diameter expanding device 16 will be described with reference to FIGS. 5 to 8.

拡径装置16は、角筒状の支持体16aと、該支持体16aの側面に開閉可能に装着された翼部材である各2本のスクレーパ翼16b及び掘削翼16cと、支持体16aの内部に設けられた油圧シリンダ(図示せず)とを備えている。支持体16aは、平面視が正方形状に形成されており、上端には、ケリーバの先端に着脱可能に連結される上部連結部16dが設けられており、下端には、底ざらいバケット(図示せず)を着脱可能に連結するための突出部である下部連結部16eが設けられている。また、支持体16aの上端両側部には、固定ピン22が挿通されるブラケット16f,16fが設けられている。 The diameter expanding device 16 includes a square tubular support 16a, two scraper blades 16b and excavation blades 16c, which are blade members mounted on the side surfaces of the support 16a so as to be openable and closable, and the inside of the support 16a. It is equipped with a hydraulic cylinder (not shown) provided in. The support 16a is formed in a square shape in a plan view, has an upper connecting portion 16d detachably connected to the tip of the kelly bar at the upper end, and has a rough bottom bucket (shown) at the lower end. The lower connecting portion 16e, which is a protruding portion for detachably connecting the s), is provided. Further, brackets 16f and 16f through which the fixing pin 22 is inserted are provided on both sides of the upper end of the support 16a.

また、支持体16aの下端部外面4箇所には、第1支軸16gと第2支軸16hとが90度間隔で交互に設けられている。第1支軸16g及び第2支軸16hは、支持体16aの下端部外面に突設した一対の第1軸支持部材16i,16i及び第2軸支持部材16j,16jによってそれぞれ水平方向に支持されており、第1支軸16gには、スクレーパ翼16bの下端部が回動可能に連結され、第2支軸16hには、掘削翼16cの下端部が回動可能に連結されている。これにより、スクレーパ翼16b及び掘削翼16cは、油圧シリンダの伸縮作動に伴って各支軸16g,16hを中心として上部側が内外方向に揺動可能に形成されている。 Further, the first support shaft 16g and the second support shaft 16h are alternately provided at 90-degree intervals at four locations on the outer surface of the lower end portion of the support 16a. The first support shaft 16g and the second support shaft 16h are horizontally supported by a pair of first shaft support members 16i and 16i and second shaft support members 16j and 16j projecting from the outer surface of the lower end portion of the support body 16a, respectively. The lower end of the scraper blade 16b is rotatably connected to the first support shaft 16g, and the lower end of the excavation blade 16c is rotatably connected to the second support shaft 16h. As a result, the scraper blade 16b and the excavation blade 16c are formed so that the upper side can swing inward and outward around the support shafts 16g and 16h as the hydraulic cylinder expands and contracts.

拡径装置16をスタンド11に収容して保持するには、まず、下部保持部材17の両係止部材17f,17fを前側に回動させて、図6に想像線で示す開き状態とする。次に、スクレーパ翼16b及び掘削翼16cをそれぞれ閉じて、ケリーバ先端に装着された拡径装置16をスタンド11の前面に移動させる。次に、拡径装置16を水平方向に移動させて支持体16aの上部をスタンド11の開口部20内に位置させるとともに、下部連結部16eと下部保持部材17の筒部材17aとの位置を水平方向に合致させる。そして、拡径装置16を降下させてゆくと、下部連結部16eが筒部材17a内に嵌入するとともに、第1軸支持部材16i下端が支持板17cに当接して拡径装置16が支持される。 In order to accommodate and hold the diameter expanding device 16 in the stand 11, first, both the locking members 17f and 17f of the lower holding member 17 are rotated forward to bring them into the open state shown by the imaginary line in FIG. Next, the scraper blade 16b and the excavation blade 16c are closed, respectively, and the diameter expansion device 16 attached to the tip of the keriva is moved to the front surface of the stand 11. Next, the diameter expanding device 16 is moved in the horizontal direction so that the upper portion of the support 16a is positioned in the opening 20 of the stand 11, and the positions of the lower connecting portion 16e and the tubular member 17a of the lower holding member 17 are horizontally aligned. Match the direction. Then, when the diameter expansion device 16 is lowered, the lower connecting portion 16e is fitted into the tubular member 17a, and the lower end of the first shaft support member 16i abuts on the support plate 17c to support the diameter expansion device 16. ..

続いて、両係止部材17f,17fをそれぞれ後側に回動させて第1軸支持部材16i,16iにそれぞれ係止させることにより、図6に実線で示す閉じ状態とし、固定ピン19を挿通して係止部材17fの開き止めを行う。これにより、拡径装置16の下部が下部保持部材17に固定され、拡径装置16の前後左右方向への移動が規制される。最後に、ケリーバ先端と上部連結部16dとの連結を解除することにより、拡径装置16が単体でスタンド11に保持された状態となる。また、ケリーバ先端には拡底バケットなどの他の掘削装置が装着されることにより、引き続き掘削作業が進められるが、再び拡径装置16を用いる場合には、上述の逆の手順でケリーバ先端に拡径装置16が装着される。 Subsequently, both the locking members 17f and 17f are rotated rearward to be locked to the first shaft support members 16i and 16i, respectively, so that the closed state shown by the solid line in FIG. 6 is obtained and the fixing pin 19 is inserted. Then, the locking member 17f is prevented from opening. As a result, the lower portion of the diameter expanding device 16 is fixed to the lower holding member 17, and the movement of the diameter expanding device 16 in the front-back and left-right directions is restricted. Finally, by breaking the connection between the tip of the kelly bar and the upper connecting portion 16d, the diameter expanding device 16 is held by the stand 11 by itself. Further, the excavation work can be continued by attaching another excavation device such as a bottom expansion bucket to the tip of the kelly bar, but when the diameter expansion device 16 is used again, the tip of the kelly bar is expanded by the reverse procedure described above. The diameter device 16 is mounted.

一方、拡径装置16を寝かせた状態で輸送する際には、スタンド11を倒す前に、あらかじめ固定ピン22を各ブラケット16f,21aに挿通することにより、拡径装置16の上部を保持した状態にする。 On the other hand, when the diameter-expanding device 16 is transported in a laid-down state, the upper portion of the diameter-expanding device 16 is held by inserting the fixing pins 22 into the brackets 16f and 21a in advance before tilting the stand 11. To.

このように、下部保持部材17に、拡径装置16の下部連結部16eが嵌合可能な筒部材17aと、下部連結部16eの抜け出しを防止する係止部材17fとを備えているので、スタンド11上部に上って固定具を外す手間がなくなり、地上にいながら拡径装置16の保持とその解除を容易に行うことができる。また、係止部材17fが拡径装置16の第1軸支持部材16iに係止可能に設けられているので、拡径装置16の保持に好適なスタンドとして構成することができる。さらに、スタンド11に対して拡径装置16が傾くことを防止する上部保持部材21を備えているので、吊り上げによる移動をより安全に行うことができる。 As described above, since the lower holding member 17 is provided with a tubular member 17a into which the lower connecting portion 16e of the diameter expanding device 16 can be fitted and a locking member 17f for preventing the lower connecting portion 16e from coming off, the stand is provided. The trouble of climbing up to the upper part of 11 and removing the fixing tool is eliminated, and the diameter expanding device 16 can be easily held and released while on the ground. Further, since the locking member 17f is provided so as to be lockable on the first shaft support member 16i of the diameter expanding device 16, it can be configured as a stand suitable for holding the diameter expanding device 16. Further, since the upper holding member 21 for preventing the diameter expanding device 16 from tilting with respect to the stand 11, the movement by lifting can be performed more safely.

なお、本発明は、前記形態例に限定されるものではなく、スタンドに保持される掘削装置の一つとして拡径装置を用いたが、これに限定されず、拡底バケットなどの他の掘削装置にも適用可能なスタンドとして形成することができる。また、下部枠体、上部枠体、縦枠材及び補強材の形状や配置、これらを連結したときの外形状などは、保持する掘削装置の寸法や重量などの条件に応じて適宜に設定することができ、下部保持部材や上部保持部材の構造も適宜に設定することができる。 The present invention is not limited to the above-mentioned embodiment, and the diameter-expanding device is used as one of the drilling devices held on the stand, but the present invention is not limited to this, and other drilling devices such as a bottom-expanding bucket are used. Can also be formed as a stand applicable to. In addition, the shape and arrangement of the lower frame, upper frame, vertical frame and reinforcing material, and the outer shape when these are connected are appropriately set according to conditions such as the dimensions and weight of the drilling equipment to be held. The structure of the lower holding member and the upper holding member can be appropriately set.

11…スタンド、12…下部枠体、12a…外枠材、12b,12c…補強材、12d…後側縁部、13…上部枠体、13a…外枠材、13b…補強材、14…縦枠材、15…補強材、16…拡径装置、16a…支持体、16b…スクレーパ翼、16c…掘削翼、16d…上部連結部、16e…下部連結部、16f…ブラケット、16g…第1支軸、16h…第2支軸、16i…第1軸支持部材、16j…第2軸支持部材、17…下部保持部材、17a…筒部材、17b…補強材、17c…支持板、17d,17e…二股部、17f…係止部材、18…回動ピン、19…固定ピン、20…開口部、21…上部保持部材、21a…ブラケット、22…固定ピン、23…足場部材、24…手摺部材、25… 昇降用梯子、26…上部吊り金具、26a…吊り孔、27…下部吊り金具 、27a…吊り孔、28…中間部吊り金具、28a…吊り孔 11 ... Stand, 12 ... Lower frame material, 12a ... Outer frame material, 12b, 12c ... Reinforcing material, 12d ... Rear edge, 13 ... Upper frame body, 13a ... Outer frame material, 13b ... Reinforcing material, 14 ... Vertical Frame material, 15 ... Reinforcing material, 16 ... Diameter expansion device, 16a ... Support, 16b ... Scraper blade, 16c ... Excavation blade, 16d ... Upper connecting part, 16e ... Lower connecting part, 16f ... Bracket, 16g ... First support Shaft, 16h ... 2nd support shaft, 16i ... 1st shaft support member, 16j ... 2nd shaft support member, 17 ... lower holding member, 17a ... cylinder member, 17b ... reinforcement material, 17c ... support plate, 17d, 17e ... Bifurcated part, 17f ... locking member, 18 ... rotating pin, 19 ... fixing pin, 20 ... opening, 21 ... upper holding member, 21a ... bracket, 22 ... fixing pin, 23 ... scaffolding member, 24 ... handrail member, 25 ... Elevating ladder, 26 ... Upper hanging bracket, 26a ... Hanging hole, 27 ... Lower hanging bracket, 27a ... Hanging hole, 28 ... Intermediate hanging bracket, 28a ... Hanging hole

Claims (3)

アースドリルのケリーバ先端に着脱可能に装着される掘削装置を保持する掘削装置用スタンドであって、複数の枠材によってそれぞれ枠組みされた下部枠体及び上部枠体と、上下両枠体に上下両端部がそれぞれ接合された複数の縦枠材とを備え、前記上部枠体の前部中央には、前記掘削装置の上部が水平方向に出入り可能な開口部を有し、前記下部枠体には、前記開口部に対応した下方位置に前記掘削装置の下部を保持する下部保持部材を有し、該下部保持部材は、前記掘削装置の下端に設けられた突出部が垂直方向に嵌合可能な筒部材と、前記突出部が前記筒部材から上方に抜け出ることを防止する係止部材とを備えていることを特徴とする掘削装置用スタンド。 A stand for excavating equipment that holds an excavating equipment that is detachably attached to the tip of the Keriba of the earth drill. A plurality of vertical frame members to which the portions are joined are provided, and an opening through which the upper portion of the excavator can enter and exit in the horizontal direction is provided in the center of the front portion of the upper frame body, and the lower frame body has an opening. A lower holding member for holding the lower portion of the excavator is provided at a lower position corresponding to the opening, and the lower holding member can be vertically fitted with a protrusion provided at the lower end of the excavator. A stand for an excavator, comprising: a tubular member and a locking member that prevents the protruding portion from coming out of the tubular member upward. 前記掘削装置は、内外方向に揺動可能な翼部材を備えた拡径装置であり、前記係止部材は、前記翼部材の下端部が連結される支持部材に係止可能に設けられていることを特徴とする請求項1記載の掘削装置用スタンド。 The excavating device is a diameter-expanding device provided with a wing member that can swing in the inward and outward directions, and the locking member is provided so as to be able to be locked to a support member to which a lower end portion of the wing member is connected. The stand for an excavator according to claim 1. 前記上部枠体は、前記スタンドに対して前記掘削装置が傾くことを防止する上部保持部材を備えていることを特徴とする請求項1又は2記載の掘削装置用スタンド。 The stand for an excavator according to claim 1 or 2, wherein the upper frame body includes an upper holding member for preventing the excavator from tilting with respect to the stand.
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010031633A (en) 2008-06-24 2010-02-12 Nippon Sharyo Seizo Kaisha Ltd Stand for enlarged bottom bucket
JP2013011069A (en) 2011-06-28 2013-01-17 Nippon Sharyo Seizo Kaisha Ltd Stand for bottom enlarged bucket

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Publication number Priority date Publication date Assignee Title
JPS6350994U (en) * 1986-09-24 1988-04-06
JP2506605B2 (en) * 1993-05-06 1996-06-12 明和機械株式会社 Excavation bucket for drilling holes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010031633A (en) 2008-06-24 2010-02-12 Nippon Sharyo Seizo Kaisha Ltd Stand for enlarged bottom bucket
JP2013011069A (en) 2011-06-28 2013-01-17 Nippon Sharyo Seizo Kaisha Ltd Stand for bottom enlarged bucket

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