JP2642717B2 - Propulsion method propulsion device - Google Patents
Propulsion method propulsion deviceInfo
- Publication number
- JP2642717B2 JP2642717B2 JP63314258A JP31425888A JP2642717B2 JP 2642717 B2 JP2642717 B2 JP 2642717B2 JP 63314258 A JP63314258 A JP 63314258A JP 31425888 A JP31425888 A JP 31425888A JP 2642717 B2 JP2642717 B2 JP 2642717B2
- Authority
- JP
- Japan
- Prior art keywords
- propulsion
- pipe
- rigid short
- portions
- rigid
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 15
- 238000004804 winding Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/22—Handling reeled pipe or rod units, e.g. flexible drilling pipes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は推進用ヘッドに連結された推進管を押圧して
前記推進用ヘッドを推進させる推進工法に使用する推進
装置に関する。Description: TECHNICAL FIELD The present invention relates to a propulsion device used in a propulsion method for propelling a propulsion head by pressing a propulsion tube connected to the propulsion head.
従来は、推進現場で可撓部材を介して剛性長管部材を
一つ一つ屈曲自在に連結しながら、その推進管を後方か
ら押圧して地中に押し込む方法を実施しており、推進装
置としては、推進管の後方側で、その後端面を前方へ押
圧して地中に押し込む押込装置を設けてあるだけであっ
た。Conventionally, a method of pushing a propulsion tube from behind and pushing it into the ground while flexibly connecting rigid long tube members one by one via a flexible member at a propulsion site has been implemented. However, only a pushing device is provided on the rear side of the propulsion pipe, which pushes the rear end face forward and pushes it into the ground.
しかし、前記押込装置を使用して推進管を押込むに
は、剛性長管部材を一つ一つ現場で連結しながら押し込
まなければならいために、連結のための手間が多くかか
り、掘削作業の能率を低下させてしまう問題点があっ
た。However, in order to push the propulsion pipe using the pushing device, it is necessary to push the rigid long pipe members while connecting them one by one at the site. There was a problem that the efficiency was reduced.
この問題点を解消するものとして、推進管を、予め、
複数の剛性短管部とこの複数の剛性短管部間に各別に介
在する屈曲自在な可撓部とを互いに連結して構成してお
き、管押込時の管連結手間を減らすことが考えられる
が、その際、推進管に後方からの押込力が作用すると、
地中に侵入させる箇所近くの可撓部において推進管が不
用意に屈曲してしまい、推進力を効率よく伝えることが
できなかったり、屈曲によって推進管の入口付近の土が
崩れやすくなったりする新たな問題点が生じる。To solve this problem, the propulsion pipe must be
It is conceivable that a plurality of rigid short tube portions and a bendable flexible portion separately interposed between the plurality of rigid short tube portions are connected to each other so as to reduce the time required for connecting the tubes when pushing the tubes. However, at that time, if a pushing force from behind acts on the propulsion pipe,
The propulsion pipe bends carelessly at the flexible part near the place where it penetrates into the ground, and the propulsion force cannot be transmitted efficiently, and the soil near the entrance of the propulsion pipe tends to collapse due to the bending. A new problem arises.
そこで、本発明の目的は、手間をかけずに推進作業を
実施できるようにしながら、推進力が推進管に効率よく
伝達され、推進作業全体とした作業効率の向上を図る点
にある。Therefore, an object of the present invention is to improve the work efficiency of the entire propulsion operation while efficiently transmitting the propulsion force to the propulsion pipe while enabling the propulsion operation to be performed without any trouble.
本発明の推進工法用推進装置の第一の特徴構成は、推
進用ヘッドに連結された推進管を押圧して前記推進用ヘ
ッドを推進させる推進工法に使用する推進装置におい
て、複数の剛性短管部とこの複数の剛性短管部間に各別
に介在する屈曲自在な可撓部とで形成され、且つ、前記
複数の剛性短管部と前記複数の可撓部とが互いに連結さ
れている前記推進管に対し、その推進管を地中に侵入さ
せる箇所近くで、前記推進管をクランプして、前記複数
の剛性短管部を、その各軸芯がほぼ直線上に並ぶ状態に
保持しながら地中に押し込む押込装置を設けてあるとこ
ろにある。A first characteristic configuration of the propulsion device for a propulsion method according to the present invention is a propulsion device used for a propulsion method in which the propulsion head is propelled by pressing a propulsion tube connected to the propulsion head. And a plurality of flexible short sections separately interposed between the plurality of rigid short pipe sections, and the plurality of rigid short pipe sections and the plurality of flexible sections are connected to each other. With respect to the propulsion pipe, the propulsion pipe is clamped near a point where the propulsion pipe intrudes into the ground, and the plurality of rigid short pipe sections are held while their respective axis cores are substantially aligned with each other. There is a push-in device that pushes it into the ground.
本発明の推進工法用推進装置の第二の特徴構成は、推
進用ヘッドに連結された推進管を押圧して前記推進用ヘ
ッドを推進させる推進工法に使用する推進装置であっ
て、複数の剛性短管部とこの複数の剛性短管部間に各別
に介在する屈曲自在な可撓部とで形成され、且つ、前記
複数の剛性短管部と前記複数の可撓部とが互いに連結さ
れている前記推進管対し、前記推進管巻装用ドラムを設
け、前記ドラムから繰り出された前記推進管を地中に侵
入させる箇所近くで、前記複数の剛性短管部を、その各
軸芯がほぼ直線上に並ぶ状態に保持しながら地中に押し
込む押込装置を設けてあるところにある。A second characteristic configuration of the propulsion device for a propulsion method according to the present invention is a propulsion device used for a propulsion method for propelling the propulsion head by pressing a propulsion pipe connected to the propulsion head. A short tube portion and a bendable flexible portion separately interposed between the plurality of rigid short tube portions are formed, and the plurality of rigid short tube portions and the plurality of flexible portions are connected to each other. The propulsion tube is provided with the propulsion tube winding drum, and near the point where the propulsion tube unreeled from the drum is made to penetrate into the ground, the plurality of rigid short tube portions are substantially linearly aligned with each other. There is a push-in device that pushes into the ground while keeping it lined up.
そして、その作用効果は、次の通りである。 The operation and effect are as follows.
本発明の推進工法用推進装置の第一の特徴構成によれ
ば、前記複数の剛性短管部と前記複数の可撓部とが互い
に連結されている前記推進管を、前記押込装置によって
地中へ押し込むことが可能となり、推進管を何度も施工
現場で連結操作することなく、効率よく推進作業を実施
することが可能となる。また、押込装置によって、推進
管を地中に侵入させる箇所近くでクランプして、前記複
数の剛性短管部をその各軸芯がほぼ直線上に並ぶ状態に
保持しながら地中に押し込むことが可能となるから、地
中に侵入させる箇所近くで推進管が屈曲するのを防止し
た状態で推進作業を実施することができ、押込方向の精
度を向上させると共に、押込力を推進管の軸芯方向に沿
って効率よく作用させることが可能となる。According to the first characteristic configuration of the propulsion device for a propulsion method of the present invention, the propulsion tube in which the plurality of rigid short tube portions and the plurality of flexible portions are connected to each other is underground by the pushing device. It is possible to efficiently carry out the propulsion work without having to repeatedly connect the propulsion pipe at the construction site. In addition, the pushing device clamps the propulsion pipe near the place where it penetrates into the ground, and pushes the plurality of rigid short pipe parts into the ground while holding the respective axes of the rigid short pipes in a substantially straight line. Since it becomes possible, the propulsion work can be performed in a state where the propulsion pipe is prevented from bending near the place where it penetrates into the ground, and the accuracy of the pushing direction is improved, and the pushing force is reduced by the axial center of the propulsion pipe. It is possible to act efficiently along the direction.
本発明の推進工法用推進装置の第二の特徴構成によれ
ば、前記複数の剛性短管部と前記複数の可撓部とが互い
に連結されている前記推進管を、前記押込装置によって
地中へ押し込むことが可能となり、推進管を何度も施工
現場で連結操作することなく、効率よく推進作業を実施
することが可能となる。更に、前記可撓性部で屈曲する
状態にして前記巻取装置に巻き取られた推進管を、順次
繰り出しながら一連の推進施工を連続して実施でき、よ
りスピーディーな推進作業が可能となる。According to a second characteristic configuration of the propulsion device for a propulsion method of the present invention, the propulsion tube, in which the plurality of rigid short tube portions and the plurality of flexible portions are connected to each other, is underground by the pushing device. It is possible to efficiently carry out the propulsion work without having to repeatedly connect the propulsion pipe at the construction site. Further, a series of propulsion works can be continuously performed while sequentially pulling out the propulsion tube wound by the winding device in a state of being bent by the flexible portion, and a more speedy propulsion operation can be performed.
また、長尺の推進管であっても、前記巻取装置に巻取
収納することができるから、省スペース化を図ることが
可能となる。In addition, even a long propulsion tube can be wound and stored in the winding device, so that space can be saved.
従って、運搬及び保管の簡単な推進管で、掘削作業を
円滑にしかも予定する方向に正確に、且つ、長時間にわ
たって続けられ、その結果、推進作業全体としての作業
能率を簡単に向上させることができた。Therefore, the excavation work can be smoothly and accurately performed in a predetermined direction for a long time with a propulsion pipe that is easy to transport and store, and as a result, the work efficiency of the entire propulsion work can be easily improved. did it.
次に、本発明の実施例を、図面に基づいて説明する。 Next, embodiments of the present invention will be described with reference to the drawings.
第１図及び第２図に示すように、複数の剛性短管部
（2A）（長さ約70〜300mm程度）とこの複数の剛性短管
部（2A）間に各別に介在する屈曲自在な複数の可撓部
（2B）とで形成される推進管（２）を地中推進させる前
に、予め複数の剛性短管部（2A）と可撓部（2B）とを互
いに連結しておき、推進管（２）を押圧させるのに、推
進管（２）を屈曲しないように保持しながら押圧して、
推進管（２）に連結した推進用ヘッド（１）を地中推進
させるために、施工ピット（５）内に推進管（２）を地
中に押し込む推進用ヘッド（１）推進用押圧部材（３）
を設けると共に、推進管（２）を地中に侵入させる箇所
近くで複数の剛性短管部（2A）を、その各軸芯がほぼ直
線上に並ぶ状態に保持しながら地中に案内するガイド部
材（４）を設けて押込装置（Ａ）を形成し、施工ピット
（５）の上部外方には、推進管（２）を巻取ってある巻
装用ドラム（６）を取外し自在に設置して、推進工法用
推進装置を構成してある。As shown in FIGS. 1 and 2, a plurality of rigid short pipes (2A) (about 70 to 300 mm in length) and a flexible bendable intervening between the rigid short pipes (2A) are separately provided. Before the underground propulsion of the propulsion pipe (2) formed by the plurality of flexible portions (2B), the plurality of rigid short tube portions (2A) and the flexible portion (2B) are connected to each other in advance. To press the propulsion tube (2) while holding the propulsion tube (2) so as not to bend,
In order to make the propulsion head (1) connected to the propulsion pipe (2) underground, the propulsion head (1) for pushing the propulsion pipe (2) into the ground in the construction pit (5) (the propulsion pressing member ( 3)
And a guide that guides the plurality of rigid short pipe sections (2A) into the ground while maintaining their respective axes substantially aligned in a straight line near the place where the propulsion pipe (2) enters the ground. A pushing device (A) is formed by providing a member (4), and a winding drum (6) on which a propulsion pipe (2) is wound is detachably provided outside the upper part of the construction pit (5). Thus, a propulsion device for a propulsion method is configured.
尚、図中（14）は、施工ピット（５）の側壁を内側か
ら支持する支持ジャッキであり、また（15）は、ドラム
（６）から繰り出された推進管（２）を支持して押圧部
材（17）に案内するガイドローラーである。In the drawing, (14) is a support jack for supporting the side wall of the construction pit (5) from the inside, and (15) is a support jack for supporting and pushing the propulsion pipe (2) drawn out from the drum (6). The guide roller guides the member (17).
前記推進用ヘッド（１）は、第４図に示すように、例
えば50〜70mmの小径のヘッド本体（1A）と、ヘッド本体
（1A）と同径でヘッド本体（1A）に対して前後軸芯
（Ｐ）周りに回転自在に先端側に取付けてある掘削部
（1B）とから成る。そして、前記掘削部（1B）には、推
進用ヘッド（１）を地中推進させるに伴って土圧を受け
て、その土圧を受けた方向に推進用ヘッド（１）の推進
方向を片寄らせるための受圧面（Ｆ）を、先端側ほど軸
芯（Ｐ）に近接する傾斜面に形成して設けてある。As shown in FIG. 4, the propulsion head (1) has a head body (1A) having a small diameter of, for example, 50 to 70 mm, and a front-rear axis having the same diameter as the head body (1A) with respect to the head body (1A). A digging part (1B) rotatably mounted on the tip side around the core (P). The excavation part (1B) receives earth pressure as the propulsion head (1) is propelled underground, and shifts the propulsion direction of the propulsion head (1) toward the direction in which the earth pressure is received. A pressure-receiving surface (F) is formed on an inclined surface closer to the axis (P) toward the tip end.
つまり、前記推進用ヘッド（１）を直進させる時は、
ヘッド本体（1A）に対して掘削部（1B）を回転させなが
ら推進させ、旋回させる時は、旋回させるべき側とは径
方向の反対側に受圧面（Ｆ）を向けて推進させれば、受
圧面（Ｆ）が土圧を受けて推進用ヘッド（１）の推進方
向が受圧面（Ｆ）と反対側に向けられる。That is, when the propulsion head (1) is moved straight,
When the excavation part (1B) is propelled while rotating with respect to the head main body (1A) and is turned, if the pressure receiving surface (F) is propelled toward the radially opposite side to the side to be turned, The pressure receiving surface (F) receives the earth pressure, and the propulsion direction of the propulsion head (1) is directed to the opposite side to the pressure receiving surface (F).
前記推進管（２）における可撓部（2B）は、外周面に
球面に形成した内筒（９）と、内筒（９）を摺動自在に
外嵌して受ける外筒（10）とから成る球面軸受構造を形
成してあり、可撓部（2B）前後の剛性短管部（2A）どう
しを、３゜〜10゜に屈曲自在に形成して従来より小さい
曲率半径に推進管（２）を曲げられるように構成してあ
る。The flexible portion (2B) of the propulsion pipe (2) includes an inner cylinder (9) formed in a spherical shape on the outer peripheral surface, and an outer cylinder (10) that receives the inner cylinder (9) by slidably fitting the outer cylinder. The rigid short tube part (2A) before and after the flexible part (2B) is formed to be able to bend to 3 ゜ to 10 ゜ so that the propulsion pipe ( 2) is configured to be bent.
従って、隣接する可撓部（2B）間の間隔を、例えば約
100mmに設定すれば、推進管（２）を巻装するドラム
（６）の径を、約2mに形成できる。Therefore, the interval between adjacent flexible portions (2B) is, for example, about
If it is set to 100 mm, the diameter of the drum (6) around which the propulsion pipe (2) is wound can be formed to about 2 m.
第５図に示すように、図中（11）は、前記剛性短管部
（2A）に設けた連結部で、剛性短管部（2A）を軸芯方向
に分割し、その分割短管部（2A）どうしを、着脱自在に
連結して、必要長さの一連の推進管（２）を形成できる
ように構成してある。As shown in FIG. 5, reference numeral (11) in the figure denotes a connecting portion provided on the rigid short tube portion (2A), which divides the rigid short tube portion (2A) in the axial direction, and divides the rigid short tube portion. (2A) It is configured such that a series of propulsion pipes (2) of the required length can be formed by removably connecting them.
そして、前記連結部（11）は、第５図に示す係合式の
他に、ネジ嵌合式を採用しても良い。The connecting portion (11) may be of a screw fitting type in addition to the engaging type shown in FIG.
前記押圧部材（３）を形成するに、ガイドレール（1
6）に前後摺動自在に取付けた押圧部（17）を設け、こ
の押圧部（17）を前後移動させる推進用シリンダ（18）
を設け、推進管（２）の可撓部（2B）を屈曲阻止した状
態でクランプする左右一対のクランプ部材（19）を押圧
部（17）に設けると共に、両クランプ部材（19），（1
9）を可撓部（2B）に対してクランプする作用位置と、
クランプを解除する非作用位置とに移動させるクランプ
シリンダ（20）を、押圧部（17）に設けてある。To form the pressing member (3), a guide rail (1
6) A pressing part (17) is provided slidably forward and backward, and the propulsion cylinder (18) moves this pressing part (17) back and forth.
And a pair of right and left clamp members (19) for clamping the flexible portion (2B) of the propulsion pipe (2) in a state where the flexible portion (2B) is prevented from bending, are provided on the pressing portion (17), and both clamp members (19), (1) are provided.
9) an action position for clamping the flexible part (2B) to the flexible part (2B);
The pressing portion (17) is provided with a clamp cylinder (20) for moving to a non-operating position for releasing the clamp.
つまり、第３図に示すように、クランプ部材（19）
が、推進管（２）における隣接する剛性短管部（2A），
（2A）間に嵌入して可撓部（2B）を挟持すると、両剛性
短管部（2A），（2A）の端部がクランプ部材（19）に接
当して、それらの間の屈曲が阻止され、しかも、推進用
シリンダ（18）による押圧力を、確実に推進管（２）に
伝達する。That is, as shown in FIG.
However, the adjacent rigid short pipe section (2A) in the propulsion pipe (2),
When the flexible portion (2B) is clamped by being inserted between (2A), the ends of both rigid short tube portions (2A) and (2A) come into contact with the clamp member (19) and bend therebetween. And the pressing force of the propulsion cylinder (18) is reliably transmitted to the propulsion pipe (2).
前記ガイド部材（４）は、前記クランプ部材（19）に
よるクランプと同様に、複数の剛性短管部（2A）を、そ
の各軸芯がほぼ一直線上に並ぶ状態に保持して推進管
（２）を屈曲しないように摺動自在に内嵌する筒部（4
A）を備えさせてある。The guide member (4) holds the plurality of rigid short pipe portions (2A) in a state where their respective axes are aligned substantially in a straight line, similarly to the clamp by the clamp member (19). ) Is slidably fitted inside so that it does not bend.
A).
前記押圧部材（３）には、可撓部（2B）をクランプす
るクランプ部材（19）を設けるのに代えて、剛性短管部
（2A）の周部を摩擦保持する挟持部を設けてあっても良
い。Instead of providing the clamping member (19) for clamping the flexible portion (2B), the pressing member (3) is provided with a holding portion for frictionally holding the peripheral portion of the rigid short tube portion (2A). May be.
前記押圧部材（17）には、ガイド部材（４）を設けず
に、押圧部材（３）だけであっても良く、推進管（２）
を屈曲阻止した状態で地中に押し込むものであれば良
い。The pressing member (17) may be provided only with the pressing member (3) without providing the guide member (4).
Can be pushed into the ground in a state where bending is prevented.
尚、特許請求の範囲の項に図面との対照を便利にする
為に符号を記すが、該記入により本発明は添付図面の構
造に限定されるものではない。In the claims, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the structure shown in the attached drawings.
図面は本発明に係る推進工法用推進装置の実施例を示
し、位置は推進装置の全体側面図、第２図は推進装置の
正面図、第３図は、要部の一部切欠き図、第４図は、要
部の断面図、第５図は、連結部の分解斜視図である。 （１）……推進ヘッド、（２）……推進管、（2A）……
剛性短管部、（2B）……可撓部、（３）……押圧部材、
（４）……ガイド部材、（６）……ドラム。The drawings show an embodiment of the propulsion device for a propulsion method according to the present invention, the position is an overall side view of the propulsion device, FIG. 2 is a front view of the propulsion device, FIG. FIG. 4 is a sectional view of a main part, and FIG. 5 is an exploded perspective view of a connecting part. (1) Propulsion head (2) Propulsion pipe (2A)
Rigid short tube part, (2B) ... flexible part, (3) ... pressing member,
(4) ... guide member, (6) ... drum.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 向野 勝彦 兵庫県尼崎市浜１丁目１番１号 久保田 鉄工株式会社技術開発研究所内 (56)参考文献 特開 昭63−255498（ＪＰ，Ａ) 特開 昭62−82200（ＪＰ，Ａ) ──────────────────────────────────────────────────続 き Continuation of front page (72) Inventor Katsuhiko Mukai 1-1-1, Hama, Amagasaki-shi, Hyogo Kubota Iron Works Co., Ltd. Technology Development Laboratory (56) References JP-A-63-255498 (JP, A) 62-82200 (JP, A)
Claims (2)
（２）を押圧して前記推進用ヘッド（１）を推進させる
推進工法に使用する推進装置であって、複数の剛性短管
部（2A）とこの複数の剛性短管部（2A）間に各別に介在
する屈曲自在な可撓部（2B）とで形成され、且つ、前記
複数の剛性短管部（2A）と前記複数の可撓部（2B）とが
互いに連結されている前記推進管（２）に対し、その推
進管（２）を地中に侵入させる箇所近くで、前記推進管
（２）をクランプして、前記複数の剛性短管部（2A）
を、その各軸芯がほぼ直線上に並ぶ状態に保持しながら
地中に押し込む押込装置（Ａ）を設けてある推進工法用
推進装置。1. A propulsion device used in a propulsion method for propelling a propulsion head (1) by pressing a propulsion tube (2) connected to the propulsion head (1), comprising a plurality of rigid short tubes. (2A) and a plurality of flexible short portions (2B) interposed separately between the plurality of rigid short tube portions (2A), and the plurality of rigid short tube portions (2A) and the plurality of rigid short tube portions (2A). The flexible pipe (2B) is connected to the propulsion pipe (2), and the propulsion pipe (2) is clamped near a place where the propulsion pipe (2) is made to penetrate into the ground. The plurality of rigid short pipe sections (2A)
A propulsion device for a propulsion method, which comprises a pushing device (A) for pushing each of the shaft cores into the ground while keeping their respective axes aligned substantially in a straight line.
（２）を押圧して前記推進用ヘッド（１）を推進させる
推進工法に使用する推進装置であって、複数の剛性短管
部（2A）とこの複数の剛性短管部（2A）間に各別に介在
する屈曲自在な可撓部（2B）とで形成され、且つ、前記
複数の剛性短管部（2A）と前記複数の可撓部（2B）とが
互いに連結されている前記推進管（２）に対し、前記推
進管（２）巻装用ドラム（６）を設け、前記ドラム
（６）から繰り出された前記推進管（２）を地中に侵入
させる箇所近くで、前記複数の剛性短管部（2A）を、そ
の各軸芯がほぼ直線上に並ぶ状態に保持しながら地中に
押し込む押込装置（Ａ）を設けてある推進工法用推進装
置。2. A propulsion apparatus for use in a propulsion method for pressing a propulsion tube (2) connected to a propulsion head (1) and propelling said propulsion head (1), comprising a plurality of rigid short tubes. (2A) and a plurality of flexible short portions (2B) interposed separately between the plurality of rigid short tube portions (2A), and the plurality of rigid short tube portions (2A) and the plurality of rigid short tube portions (2A). The propulsion pipe (2) is connected to the propulsion pipe (2), and the propulsion pipe (2) is provided with a winding drum (6), and the propulsion pipe fed out of the drum (6) is provided. A pushing device (A) for pushing the plurality of rigid short pipe portions (2A) into the ground while holding the plurality of rigid short pipe portions (2A) in a state where their respective axes are arranged substantially in a straight line near the place where (2) enters the ground. A propulsion device for the propulsion method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63314258A JP2642717B2 (en) | 1988-12-12 | 1988-12-12 | Propulsion method propulsion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63314258A JP2642717B2 (en) | 1988-12-12 | 1988-12-12 | Propulsion method propulsion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02161095A JPH02161095A (en) | 1990-06-20 |
| JP2642717B2 true JP2642717B2 (en) | 1997-08-20 |
Family
ID=18051185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63314258A Expired - Fee Related JP2642717B2 (en) | 1988-12-12 | 1988-12-12 | Propulsion method propulsion device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2642717B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2839041B2 (en) * | 1990-12-18 | 1998-12-16 | 株式会社クボタ | Propulsion method |
| JP2555911Y2 (en) * | 1991-04-09 | 1997-11-26 | 株式会社クボタ | Propulsion method propulsion equipment |
| JPH04336197A (en) * | 1991-05-14 | 1992-11-24 | Kubota Corp | Propulsive construction |
| US5527135A (en) * | 1993-03-03 | 1996-06-18 | Kabushiki Kaisha Iseki Kaihatsu Koki | Method for injecting lubricant or back-filling material into a space between the outside of double-wall pipes and the ground in the pipe-jacking method and an apparatus therefor |
| US5484232A (en) * | 1993-03-03 | 1996-01-16 | Tokyo Gas Company Ltd. | Method for injecting lubricant and filler in the pipe-jacking method |
| JP3362964B2 (en) * | 1994-05-27 | 2003-01-07 | 株式会社クボタ | Propulsion body |
| JP2018197676A (en) * | 2017-05-23 | 2018-12-13 | 中央開発株式会社 | Borehole inclinometer device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6282200A (en) * | 1985-10-08 | 1987-04-15 | 小松建設工業株式会社 | Bending propelling of embedded pipe and apparatus for bending embedded pipe |
| JPS63255498A (en) * | 1987-04-14 | 1988-10-21 | 株式会社 奥村組 | Method of propelling long-sized pipe body |
-
1988
- 1988-12-12 JP JP63314258A patent/JP2642717B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02161095A (en) | 1990-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2642717B2 (en) | Propulsion method propulsion device | |
| US4592282A (en) | Charging apparatus for cartridged explosives | |
| JP2788441B2 (en) | Propulsion pipe for propulsion method | |
| JP2642716B2 (en) | Propulsion pipe for propulsion method | |
| JP3308916B2 (en) | Ring cable insertion device for shield segment | |
| JPS6336247Y2 (en) | ||
| JP2828789B2 (en) | Propulsion method | |
| JPH0768861B2 (en) | Propulsion machine for propulsion method | |
| JP2784243B2 (en) | Buried pipe retractor | |
| JPH03119286A (en) | Propeller for propelling construction | |
| JP2839041B2 (en) | Propulsion method | |
| JP2582022B2 (en) | Direction control device for propulsion device for burying pipes | |
| JP3035181B2 (en) | Pipe moving device | |
| JPH0754397Y2 (en) | Propulsion device for propulsion method | |
| JP2002276287A (en) | Curved line forming device | |
| JP2813686B2 (en) | Propulsion system and propulsion method | |
| EP1144797B1 (en) | A method for mounting a casing shoe on a drilling apparatus | |
| JP2942201B2 (en) | Jig used for propulsion method | |
| JP2535859Y2 (en) | Propulsion method propulsion equipment | |
| JP3151407B2 (en) | Promotion method | |
| JP3086041B2 (en) | Propulsion body propulsion control method | |
| JP2557236Y2 (en) | Propulsion body | |
| JPH03119285A (en) | Propelling construction device | |
| JP2784244B2 (en) | Propulsion machine for propulsion method | |
| JP2842575B2 (en) | Propulsion device for propulsion method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |