JPH02157387A - Drilling and excluding device for earth - Google Patents
Drilling and excluding device for earthInfo
- Publication number
- JPH02157387A JPH02157387A JP31082588A JP31082588A JPH02157387A JP H02157387 A JPH02157387 A JP H02157387A JP 31082588 A JP31082588 A JP 31082588A JP 31082588 A JP31082588 A JP 31082588A JP H02157387 A JPH02157387 A JP H02157387A
- Authority
- JP
- Japan
- Prior art keywords
- casing
- earth
- drilling
- chuck device
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 26
- 239000004576 sand Substances 0.000 abstract description 13
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000009412 basement excavation Methods 0.000 description 14
- 239000003638 chemical reducing agent Substances 0.000 description 11
- 239000002689 soil Substances 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、抗孔堀削などで使用する掘削排土装置に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to an excavating and unloading device used in hole drilling and the like.
杭造成のためにオーガスクリユーで掘削する際に、スク
リューの外側にケーシングを配置するケーシングオーガ
ニ法が知られている。A casing organ method is known in which a casing is placed outside the screw when excavating with an auger screw for pile construction.
そして、発明者は、先にこのケーシングオーガニ法の改
良として下記のごとき掘削装置を発明した。これは、第
５図に示すようにケーシング１と、このケーシングｌを
回転しながら地中に圧入する駆動装置２と、ケーシング
ｌ内の掘削排土手段としてケーシング１内に上方から吊
り下ろすアースオーガ３からなる。The inventor previously invented the following excavation device as an improvement of this casing organ method. As shown in Fig. 5, this consists of a casing 1, a drive device 2 that presses the casing 1 into the ground while rotating it, and an earth auger that is suspended from above within the casing 1 as a means for excavating and removing earth within the casing 1. Consists of 3.
駆動装置２はモータ４、モータ４に連結する減速機５、
及び減速機５に連結するケーシング外周へのチャック装
置６から構成され、減速機５及びチャック装置６は中央
を掘削ケーシングが貫通するだけの透孔６を有するドー
ナツ状のものである。The drive device 2 includes a motor 4, a reducer 5 connected to the motor 4,
and a chuck device 6 connected to the casing outer periphery connected to the reducer 5, and the reducer 5 and the chuck device 6 are donut-shaped with a through hole 6 through which the excavated casing passes through the center.
また、駆動装置２自体はクローラ等の移動機構ヲ有する
ベースマシン７に立設したリーグマスト８のリーダーに
昇降自在に結合される。Further, the drive device 2 itself is coupled to a leader of a league mast 8 erected on a base machine 7 having a moving mechanism such as a crawler so as to be movable up and down.
減速機５、チャック装置６を貫通するようにケーシング
１をセットし、該チャック装置６をケーシング１の外周
に押圧固定してモータ４を始動すれば、減速機５を回し
てモータ４の回転トルクがケーシング１へ伝わりこれも
回転して地中に圧入される。If the casing 1 is set so as to pass through the reducer 5 and the chuck device 6, and the chuck device 6 is pressed and fixed to the outer periphery of the casing 1 and the motor 4 is started, the reducer 5 is rotated and the rotational torque of the motor 4 is increased. is transmitted to the casing 1, which also rotates and is press-fitted into the ground.
同時に、駆動装置３ａによりアースオーガ３のオーガス
クリユー３ｂを回転させれば、ケーシング１内の土砂は
このオーガスクリユー３ｂにより掘削排土されて削孔が
行われる。At the same time, when the auger screw 3b of the earth auger 3 is rotated by the drive device 3a, the earth and sand in the casing 1 is excavated and removed by the auger screw 3b, thereby drilling a hole.
この第５図に示す掘削装置を使用すれば、ケーシング１
とオーガスクリユー３ｂとを逆方向の回転とすることが
でき、しかもケーシング１とオーガスクリユー３ｂとの
いずれかの先行掘削位置を相違させることができるので
、従来のケーシングオーガニ法に比べて効果的掘削がで
きる。If the drilling equipment shown in Fig. 5 is used, the casing 1
Since the rotation of the casing 1 and the auger screw 3b can be made in opposite directions, and the pre-excavation position of either the casing 1 or the auger screw 3b can be made different, it is more effective than the conventional casing organ method. Target drilling is possible.
しかし、前記第５図に示す掘削装置でも５０〜７０ｍ程
度の大深度の深さになるとアースオーガ３の長さも長く
なって大重量となるため、オーガスクリユーの引抜き作
業は大損りなものが必要である。However, even with the excavation equipment shown in Fig. 5, when the depth reaches a depth of about 50 to 70 m, the length of the earth auger 3 becomes long and the weight becomes large, so the extraction work of the auger screw must be carried out at a great cost. It is.
これに対し、オーガスクリユー３ｂの代わりにハンマー
グラブ等をケーシング１内に吊り降ろし、これで掘削排
土することも考えられる。On the other hand, it is also conceivable to suspend a hammer grab or the like into the casing 1 instead of the auger screw 3b and use this to excavate and remove the earth.
しかし、これらハンマーグラブ等の掘削手段は１回の落
下による排土量が少ないので、前記のごとき大深度の掘
削には非常に能率が悪いものである。However, these excavating means such as hammer grabs are very inefficient for excavating at great depths as described above, since the amount of soil removed by one drop is small.
本発明の目的は前記従来例の不都合を解消し、ケーシン
グ内を一度に効率よく掘削排土できるので、大深度でも
作業性がよく、さらにこれを行うための掘削排土手段は
、その回転トルクを回転するケーシングから直接得られ
るので、特別な駆動機構を必要とすることなく、安価で
取扱いやすい掘削排土装置を提供することにある。The purpose of the present invention is to eliminate the disadvantages of the conventional example, and to efficiently excavate and discharge the soil inside the casing at once, resulting in good workability even at great depths. The object of the present invention is to provide an inexpensive and easy-to-handle excavating and unloading device that does not require a special drive mechanism because it can directly obtain soil from a rotating casing.
本発明は前記目的を達成するため、回転して地中に挿入
するケーシングと、上部にケーシング内周へのチャック
装置を設け、このチャック装置に回転伝達機を介して掘
削スクリューの上端を連結し、かつ、掘削スクリューの
外側に位置し、かつケーシングよりも小径のガイド管を
回転伝達機ケースの下部に設けた掘削排土手段とからな
ることを要旨とするものである。In order to achieve the above object, the present invention includes a casing that rotates and is inserted into the ground, and a chuck device for the inner circumference of the casing at the top, and the upper end of an excavation screw is connected to this chuck device via a rotation transmitter. , and an excavating and discharging means which is located outside the excavating screw and has a guide pipe having a smaller diameter than the casing provided at the lower part of the rotation transmitter case.
〔作用］
本発明によれば、ケーシング内に吊り下ろした掘削排土
手段はチャック装置を張出すようにすれば、この部分で
ケーシング内周面に固定されケーシングと一体となると
ともに、ガイド管及び掘削スクリューはケーシング下端
より突出する。[Function] According to the present invention, if the chuck device of the excavating earth removal means suspended in the casing is extended, it will be fixed to the inner peripheral surface of the casing at this part and become integrated with the casing, and the guide pipe and The drilling screw protrudes from the lower end of the casing.
そして、ケーシングが回転すれば、チャック装置及び回
転伝達機を介して掘削スクリューも回転し、地盤に挿入
されていくが、その際ガイド管が掘削スクリューの外周
に存在していてこれも地盤へ挿入され、地盤と接する外
周面に土圧（粘着力）が加えられる。When the casing rotates, the drilling screw also rotates via the chuck device and rotation transmitter, and is inserted into the ground. At this time, a guide pipe exists on the outer periphery of the drilling screw, and this is also inserted into the ground. earth pressure (adhesive force) is applied to the outer peripheral surface in contact with the ground.
その結果、このガイド管は地盤中で静止した状態をとり
、回転伝達機も静止するので、掘削スクリューはその回
転反力をガイド管にとりながら土砂の掘削を行うことが
でき、掘削された土砂はガイド管内に圧密されて大量に
取込まれる。As a result, this guide pipe remains stationary in the ground, and the rotation transmitter also remains stationary, so the excavation screw can excavate earth and sand while absorbing the rotational reaction force in the guide pipe, and the excavated earth and sand It is compacted and taken in in large quantities into the guide tube.
ガイド管内に圧密土砂で満パイになったならば、チャッ
ク装置をゆるめ、掘削排土手段全体をケーシングから引
き上げて、ガイド管内の土砂を地上に排土する。When the guide pipe is filled with compacted earth and sand, the chuck device is loosened, the entire excavation and earth removal means is pulled up from the casing, and the earth and sand in the guide pipe is discharged to the ground.
以下、図面について本発明の実施例を詳細に説明する。 Embodiments of the present invention will be described in detail below with reference to the drawings.
第１図は本発明の掘削排土装置の１実施例を示す要部の
縦断正面図、第２図〜第４図は使用状態での各工程を示
す縦断正面図である。FIG. 1 is a longitudinal sectional front view of a main part of an embodiment of the excavating and unloading apparatus of the present invention, and FIGS. 2 to 4 are longitudinal sectional front views illustrating each process in a state of use.
図中１はケーシングで、このケーシングｌの駆動装置２
としては第２図に示すように、モータ４、このモータ４
に連結する減速機５、及び減速機５に連結するケーシン
グ１の外周へのチャック装置６からなり、減速機５及び
チャック装置６は中央を掘削ケーシングが貫通するだけ
の透孔を有するドーナツ状のものである。In the figure, 1 is a casing, and a drive device 2 for this casing 1
As shown in Fig. 2, motor 4, this motor 4
It consists of a reducer 5 connected to the reducer 5, and a chuck device 6 connected to the outer periphery of the casing 1 connected to the reducer 5. It is something.
また、駆動装置２自体は図示は省略するが、クローラ等
の移動機構を有するベースマシン、又は車輪を有する架
台等に立設した短尺なリーダマストのリーダーに昇降自
在に結合され、側部に昇降ジヤツキを備えている。Although the drive device 2 itself is not shown, it is connected to a base machine having a moving mechanism such as a crawler, or to a leader of a short leader mast installed upright on a pedestal with wheels, etc., so that it can be raised and lowered from the side. It is equipped with a joke.
図中９は、ケーシングｌ内に該ケーシングｌの上端開口
から吊り降ろしてセットする掘削排土手段で、これは、
内部に設けたシリンダ１０で側方に押圧部材１１ａを突
出可能としたチャック装置１１を最上部に設け、このチ
ャック装置１１から駆動軸１２を介して回転伝達機１３
に連結し、さらに回転伝達機１３の出力軸１３ａに先端
にビットを有する掘削ヘッドを設けた掘削スクリュー１
４を連結したものである。図中１３ｂは回転伝達機１３
を構成する伝達歯車で、この歯車比により回転伝達機１
３は減速機としての役割を有する。図中、１３ｃは外部
保護のためのケースで、該ケース１３ｃは前記チャック
装置１１の下面にスイベル１５を介して取付ける。Reference numeral 9 in the figure indicates an excavation and soil removal means that is set in the casing 1 by being suspended from the upper end opening of the casing 1.
A chuck device 11 in which a pressing member 11a can be protruded laterally by a cylinder 10 provided inside is provided at the top, and a rotation transmitter 13 is transmitted from this chuck device 11 via a drive shaft 12.
A drilling screw 1 connected to the rotary transmitter 13 and further provided with a drilling head having a bit at the tip on the output shaft 13a of the rotation transmitter 13.
It is a concatenation of 4. In the figure, 13b is the rotation transmitter 13
The transmission gear that constitutes the rotation transmitter 1 according to this gear ratio.
3 has a role as a speed reducer. In the figure, 13c is a case for external protection, and the case 13c is attached to the lower surface of the chuck device 11 via a swivel 15.
さらに、回転伝達機ケース１３ｃの下面にケーシング１
よりもわずかに小径で比較的短尺なガイド管１６を設け
た。Furthermore, a casing 1 is attached to the lower surface of the rotation transmitter case 13c.
A guide tube 16 having a slightly smaller diameter and a relatively short length is provided.
このようなチャック装置１１、回転伝達機１３及び掘削
スクリュー１４からなる掘削排土手段９は、チャック装
置１１の上面中央に設けた吊り下げ用フック１７により
クレーン等で吊り下げられ、チャック装置１１の押圧部
材１１ａを引込めた状態でケーシング１内に吊り降ろさ
れる。そして、ガイド管１６及び掘削スクリュー１４が
ケーシング１の下端より適官長突出する位置で、シリン
ダ１０により押圧部材１１ａを突出してこれをケーシン
グ１の内周面に押圧すれば、該チャック装置１１を介し
て掘削排土手段９はケーシングｌに固定される。なお、
減速機１３はケーシング１に固定するチャック装置１１
の回転を逆方向の回転に変換して掘削スクリュー１４に
伝えるように伝達歯車１３ｂが組まれているものである
。The excavating and unloading means 9 consisting of the chuck device 11 , the rotation transmitter 13 and the excavating screw 14 is suspended by a crane or the like using a hanging hook 17 provided at the center of the upper surface of the chuck device 11 . It is suspended into the casing 1 with the pressing member 11a retracted. Then, at a position where the guide pipe 16 and the drilling screw 14 protrude from the lower end of the casing 1, the cylinder 10 projects the pressing member 11a and presses it against the inner peripheral surface of the casing 1. The excavating and discharging means 9 is fixed to the casing l through the excavating and discharging means 9. In addition,
The reducer 13 is fixed to the casing 1 by a chuck device 11
A transmission gear 13b is assembled so as to convert the rotation in the opposite direction to the rotation in the opposite direction and transmit the rotation to the excavation screw 14.
次に、使用法及び動作について説明する。Next, usage and operation will be explained.
このケーシング１の建込みは、駆動装置２で該ケーシン
グ１を回転駆動して地中に圧入する。また、ケーシング
１の上端開口からケーシング１内に掘削排土手段９を吊
り降ろしてチャック装置１１により前述のごとくセット
する。In order to erect the casing 1, the casing 1 is rotated by a drive device 2 and press-fitted into the ground. Further, the excavating and discharging means 9 is suspended into the casing 1 from the upper end opening of the casing 1 and set by the chuck device 11 as described above.
駆動装置２によりケーシング１を回転させれば、回転伝
達機１３を介して掘削スクリュー１４もこのケーシング
１とは逆方向に回転されてケーシング１内側の地盤を掘
削する。When the casing 1 is rotated by the drive device 2, the excavating screw 14 is also rotated in the opposite direction to the casing 1 via the rotation transmitter 13 to excavate the ground inside the casing 1.
その際、ガイド管１６もケーシング１の先端より突出し
て地盤に圧入されるが、その外面には土圧が作用し、土
の粘着力によりガイド管１６は回転しない静止状態で挿
入されていく。そして、ケーシング１より回転トルクを
受ける掘削スクリュー１４はその回転の際に前記ガイド
管１６を反力に用いることができ、チャック装置１１に
大きい負荷をかけないですむとともに、ケーシングｌの
回転トルクを無理なく掘削スクリュー１４に伝えること
ができる。At this time, the guide tube 16 also protrudes from the tip of the casing 1 and is press-fitted into the ground, but earth pressure acts on its outer surface, and the guide tube 16 is inserted in a stationary state without rotation due to the adhesive force of the soil. The drilling screw 14, which receives rotational torque from the casing 1, can use the guide tube 16 as a reaction force during its rotation, so it is not necessary to apply a large load to the chuck device 11, and the rotational torque of the casing 1 is not forced. It can be transmitted to the drilling screw 14 without any problem.
また、掘削スクリュー１４で掘削した土砂はガイド管１
６内に取り込まれるが、該ガイド管１６はその上端が回
転伝達機ケース１３ｃで閉塞されているので、ガイド管
１６内で上部から順次圧密される。In addition, the earth and sand excavated by the excavation screw 14 is
However, since the upper end of the guide tube 16 is closed by the rotation transmitter case 13c, the guide tube 16 is sequentially compressed from the top inside the guide tube 16.
このようにして地盤を掘削してガイド管１６内が土砂で
満パイになったならば、チャック装置１１を解放し、ケ
ーシングｌから掘削排土手段９を上方に引抜き、地上で
排土する。When the ground is excavated in this manner and the inside of the guide pipe 16 is filled with earth and sand, the chuck device 11 is released, the excavating earth removal means 9 is pulled upward from the casing 1, and the earth is removed on the ground.
以上述べたように本発明の掘削排土装置は、掘削スクリ
ューを回転させて、掘削した土砂をガイド管内に圧密収
納することにより、−度に大量の土砂を効率よく掘削排
土でき、大深度の削孔に最適なものである。As described above, the excavating and unloading device of the present invention can efficiently excavate and unload a large amount of earth and sand at a time by rotating the excavation screw and compactly storing the excavated earth and sand in the guide pipe. This is ideal for drilling holes.
また、ケーシングの回転トルクを利用して掘削排土のた
めの掘削スクリューを回転できるので、掘削スクリュー
駆動のための特別な駆動装置が不要となり、安価で簡易
なものとなる。In addition, since the rotational torque of the casing can be used to rotate the excavation screw for excavating and discharging soil, a special drive device for driving the excavation screw is not required, making it inexpensive and simple.
さらに、掘削スクリュー駆動のための油圧ホースや電源
ケーブルも不要で、取扱いやすいものである。Furthermore, there is no need for hydraulic hoses or power cables to drive the drilling screw, making it easy to handle.
しかも、硬質地盤の粘着力を利用して掘削スクリュー回
転の反力を得ることができ、掘削スクリューとケーシン
グとの結合部に無理な力をかけることなく、効率のよい
回転トルクの伝達で強力な掘削力が得られるものである
。In addition, the reaction force of the rotation of the excavation screw can be obtained by using the adhesive force of the hard ground, and powerful rotational torque is transmitted efficiently without applying excessive force to the joint between the excavation screw and the casing. This provides digging power.
第１図は本発明の掘削排土装置の１実施例を示す要部の
縦断正面図、第２図〜第４図は同上使用状態での各工程
を示す縦断正面図、第５図は従来例を示す側面図である
。
１・・・ケーシング ２・・・駆動装置３・・・ア
ースオーガ
３ｂ・・・オーガスタリ
４・・・モータ
６・・・チャック装置
８・・・リーグマスト
１０・・・シリンダ
１１ａ・・・押圧部材
１３・・・回転伝達機
１３ｂ・・・伝達歯車
１４・・・掘削スクリュー
１６・・・ガイド管
３ａ・・・駆動装置
ニー
５・・・減速機
７・・・ベースマシン
９・・・掘削排土手段
１１・・・チャック装置
１２・・−駆動軸
１３ａ・・・出力軸
１３ｃ・・・ケース
１５・・・スイベル
１７・・・吊り下げ用フックFig. 1 is a longitudinal sectional front view of the main part showing one embodiment of the excavating earth removal device of the present invention, Figs. 2 to 4 are longitudinal sectional front views showing each process in the same state of use, and Fig. 5 is a conventional It is a side view which shows an example. 1...Casing 2...Drive device 3...Earth auger 3b...Augustry 4...Motor 6...Chuck device 8...League mast 10...Cylinder 11a...Press Member 13...Rotation transmitter 13b...Transmission gear 14...Drilling screw 16...Guide tube 3a...Drive device knee 5...Reducer 7...Base machine 9...Drilling Earth removal means 11...Chuck device 12...-Drive shaft 13a...Output shaft 13c...Case 15...Swivel 17...Hook for hanging
Claims (1)
グ内周へのチャック装置を設け、このチャック装置に回
転伝達機を介して掘削スクリューの上端を連結し、かつ
、掘削スクリューの外側に位置し、かつケーシングより
も小径のガイド管を回転伝達機ケースの下部に設けた掘
削排土手段とからなることを特徴とする掘削排土装置。The casing is rotated and inserted into the ground, and a chuck device is provided at the top to attach to the inner circumference of the casing, and the upper end of the drilling screw is connected to this chuck device via a rotation transmitter, and the casing is located outside the drilling screw. , and an excavating and unloading means having a guide pipe with a smaller diameter than the casing provided at the lower part of the rotation transmitter case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31082588A JPH02157387A (en) | 1988-12-08 | 1988-12-08 | Drilling and excluding device for earth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31082588A JPH02157387A (en) | 1988-12-08 | 1988-12-08 | Drilling and excluding device for earth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02157387A true JPH02157387A (en) | 1990-06-18 |
| JPH0477116B2 JPH0477116B2 (en) | 1992-12-07 |
Family
ID=18009865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31082588A Granted JPH02157387A (en) | 1988-12-08 | 1988-12-08 | Drilling and excluding device for earth |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02157387A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007327333A (en) * | 2001-09-25 | 2007-12-20 | Yokoyama Kiso Koji:Kk | Excavator and excavating method |
| JP2013231334A (en) * | 2012-05-02 | 2013-11-14 | Giken Seisakusho Co Ltd | Auxiliary equipment for construction, and burial method for pipe body |
| JP2016204825A (en) * | 2015-04-15 | 2016-12-08 | 株式会社技研製作所 | Machine and method for pile rotary press-in |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5336241A (en) * | 1976-09-16 | 1978-04-04 | Canon Inc | Electrophotographic light sensitive material |
| JPS62137389A (en) * | 1985-12-12 | 1987-06-20 | 日進基礎工業株式会社 | Large-diameter pit excavation construction method and device |
-
1988
- 1988-12-08 JP JP31082588A patent/JPH02157387A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5336241A (en) * | 1976-09-16 | 1978-04-04 | Canon Inc | Electrophotographic light sensitive material |
| JPS62137389A (en) * | 1985-12-12 | 1987-06-20 | 日進基礎工業株式会社 | Large-diameter pit excavation construction method and device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007327333A (en) * | 2001-09-25 | 2007-12-20 | Yokoyama Kiso Koji:Kk | Excavator and excavating method |
| JP4612660B2 (en) * | 2001-09-25 | 2011-01-12 | 株式会社横山基礎工事 | Excavation apparatus and excavation method |
| JP2013231334A (en) * | 2012-05-02 | 2013-11-14 | Giken Seisakusho Co Ltd | Auxiliary equipment for construction, and burial method for pipe body |
| JP2016204825A (en) * | 2015-04-15 | 2016-12-08 | 株式会社技研製作所 | Machine and method for pile rotary press-in |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0477116B2 (en) | 1992-12-07 |
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