JPH0518051Y2 - - Google Patents
Info
- Publication number
- JPH0518051Y2 JPH0518051Y2 JP2754788U JP2754788U JPH0518051Y2 JP H0518051 Y2 JPH0518051 Y2 JP H0518051Y2 JP 2754788 U JP2754788 U JP 2754788U JP 2754788 U JP2754788 U JP 2754788U JP H0518051 Y2 JPH0518051 Y2 JP H0518051Y2
- Authority
- JP
- Japan
- Prior art keywords
- cutting
- columnar body
- pile
- guide
- cutting device
- 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 - Lifetime
Links
- 238000005520 cutting process Methods 0.000 claims description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000003082 abrasive agent Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000002441 reversible effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
この考案は、柱状体切断装置に関するものであ
り、一層詳細には、円柱状体、例えば、コンクリ
ートパイルの切断時に好適に使用される装置に関
するものである。[Detailed description of the invention] [Industrial application field] This invention relates to a columnar body cutting device, and more specifically, to a device suitably used when cutting a columnar body, such as a concrete pile. It is something.
一般に、建造物は、地盤中にコンクリート製な
どのパイル（支持杭）を打ち込み、ついでこれら
にパイル頭部が揃うように切断してフーチングコ
ンクリートを打設し、さらにパイル頭部の補強を
行つて形成した基礎上に建築されている。
In general, buildings are constructed by driving concrete piles (supporting piles) into the ground, then cutting them so that the pile heads are aligned, placing footing concrete, and then reinforcing the pile heads. It is built on a foundation that has been formed.
ところで、このような建造物を埋立地など軟弱
地盤に建造する場合は、所定の支持力を得るため
に当然単位面積当たりのパイル数が多くなるが、
パイルの打ち込み後にその頭部を切断する手段と
してはハンマーなどで不要な部分を破壊して取り
除くなど原始的な方法が採用されているため、コ
ストが嵩むだけてなくパイル自体にクラツクなど
の欠陥が生じることがある等解決すべき課題を有
していた。 By the way, when building such a structure on soft ground such as a reclaimed land, the number of piles per unit area will naturally increase in order to obtain the specified bearing capacity.
To cut off the head of the pile after it is driven, primitive methods are used, such as destroying and removing unnecessary parts with a hammer, etc., which not only increases costs but also causes defects such as cracks in the pile itself. There were some issues that needed to be resolved.
そこで、この考案では、コンクリートパイルな
ど柱状体の外周部に取付け装置を介してガイド機
構を着脱自在に装着するとともにこのガイド機構
に切断機構を配設し、切断機構の駆動モータの出
力軸に取着したピニオン歯車をガイド機構に配設
した鎖状部に噛合させ、さらに前記機構本体下部
に高圧水により研磨材を加速して柱状体を切削す
るアブレツシツブルウオータージエツトノズル装
置を配設して柱状体の切断作業を自動化しようと
するものである。
Therefore, in this invention, a guide mechanism is removably attached to the outer periphery of a columnar body such as a concrete pile via an attachment device, a cutting mechanism is disposed on this guide mechanism, and the cutting mechanism is attached to the output shaft of the drive motor of the cutting mechanism. The attached pinion gear is meshed with a chain portion provided in the guide mechanism, and an abrasive water jet nozzle device for accelerating the abrasive material with high pressure water to cut the columnar body is provided at the bottom of the mechanism body. The aim is to automate the cutting work of columnar bodies.
また、この場合、アブレツシツブルウオーター
ジエツトノズル装置を柱状体の半径方向に対して
進退自在に構成すれば、柱状体の切断作業を迅速
に行うことができる。 Further, in this case, if the abrasive water jet nozzle device is configured to move forward and backward in the radial direction of the columnar body, the cutting operation of the columnar body can be performed quickly.
この考案に係る柱状体切断装置は、コンクリー
トパイルなど柱状体の外周部に装着したガイド機
構に切断機構を配設した後、高圧水で加速した研
磨材をアブレツシツブルウオータージエツトノズ
ル装置から噴射しながら駆動モータでこの切断機
構をガイド機構に沿つて自走させて柱状体を切削
切断するものである。また、柱状体外周部とノズ
ル装置の噴射口との離間距離は柱状体の材質、ノ
ズル装置の噴射圧力などに応じて適宜調整するも
のである。
The columnar object cutting device according to this invention has a cutting mechanism installed in a guide mechanism attached to the outer periphery of a columnar object such as a concrete pile, and then abrasive material accelerated with high pressure water is injected from an abrasive water jet nozzle device. At the same time, the cutting mechanism is driven by a drive motor along a guide mechanism to cut the columnar body. Further, the distance between the outer periphery of the columnar body and the injection port of the nozzle device is adjusted as appropriate depending on the material of the columnar body, the injection pressure of the nozzle device, and the like.
次に、本考案に係る柱状体切断装置の好適な実
施例としてコンクリートパイルの頭部切断装置を
例示し、添付図面を参照しながら以下詳細に説明
する。
Next, a concrete pile head cutting device will be exemplified as a preferred embodiment of the columnar body cutting device according to the present invention, and will be described in detail below with reference to the accompanying drawings.
第１図および第２図において、本考案に係るパ
イル頭部切断装置は、パイルＡの外周部に対し取
付けジヤツキ１０を介して着脱自在に装着される
ガイド機構１２と、このガイド機構１２に沿つて
自走しながらパイルＡを切削する切断機構１４と
から基本的に構成されている。 1 and 2, the pile head cutting device according to the present invention includes a guide mechanism 12 that is detachably attached to the outer circumference of a pile A via a mounting jack 10, and a guide mechanism 12 that is attached along the guide mechanism 12. It basically consists of a cutting mechanism 14 that cuts the pile A while self-propelled.
すなわち、ガイド機構１２は、一対のＬ形湾曲
レール部材１６，１６の両端部を連結部材１８，
１８により接続して円形に形成したガイドレール
２０を備え、このガイドレール２０の内側立上部
にガイドチエーン２２を巻装し、さらに前記ガイ
ドレール２０をパイルＡの外周部に沿つて120度
ずつ程度離間させて配置した三台の取付けジヤツ
キ１０，１０，１０により略水平に保持する構成
となつている。 That is, the guide mechanism 12 connects both ends of the pair of L-shaped curved rail members 16, 16 to the connecting member 18,
A guide rail 20 connected by 18 to form a circular shape is provided, and a guide chain 22 is wound around the inner rising part of this guide rail 20, and the guide rail 20 is wound along the outer periphery of the pile A by about 120 degrees. It is configured to be held substantially horizontally by three mounting jacks 10, 10, 10 placed apart from each other.
一方、切断機構１４は、略コ字状に形成した機
構本体２４の内側所定位置に上下のローラ２６，
２６および左右のローラ２８，２８を夫々配設し
て機構本体２４をこれらのローラを介してガイド
レール２０に懸吊保持し、一方機構本体２４上に
設置した可逆駆動モータ３０の出力軸３２には減
速構３４を介してピニオン歯車３６を取着し、さ
らにこのピニオン歯車３６とガイドチエーン２２
とを噛合させる。また、前記機構本体２４の底部
には、例えば、100mm程度調整可能なスライド装
置３８を介してウオータージエツト切断装置４０
が付設されており、前記ウオータージエツト切断
装置４０は、その噴射口をパイルＡの外周部に指
向させたアブレツシツブルウオータージエツトノ
ズル４２に対し超高圧水発生ユニツト車４４に搭
載した研磨材供給機構４６および超高圧水供給機
構４８とが接続されている（第２図および第３図
参照）。 On the other hand, the cutting mechanism 14 includes upper and lower rollers 26 at predetermined positions inside a mechanism main body 24 formed in a substantially U-shape.
26 and left and right rollers 28, 28 are respectively disposed to suspend and hold the mechanism body 24 on the guide rail 20 via these rollers, while the output shaft 32 of the reversible drive motor 30 installed on the mechanism body 24 is A pinion gear 36 is attached via the reduction mechanism 34, and the pinion gear 36 and the guide chain 22 are connected to each other.
mesh with. Further, a water jet cutting device 40 is attached to the bottom of the mechanism main body 24 via a slide device 38 that can be adjusted by about 100 mm, for example.
The water jet cutting device 40 has an abrasive water jet nozzle 42 whose injection port is directed toward the outer periphery of the pile A, and an abrasive material mounted on an ultra-high pressure water generating unit vehicle 44. A supply mechanism 46 and an ultra-high pressure water supply mechanism 48 are connected (see FIGS. 2 and 3).
この場合、一定の直径を有するコンクリートパ
イル専用の切断装置として使用する時は、機構本
体２４と切断装置４０とを一体的に構成してスラ
イド装置３８を省略すれば構造の簡略化を図るこ
とができる。 In this case, when used as a cutting device exclusively for concrete piles having a certain diameter, the structure can be simplified by integrating the mechanism body 24 and the cutting device 40 and omitting the slide device 38. can.
なお、第３図において参照符号５０は、パイル
Ａを切削する際に生じる切削粒の飛散を阻止する
ためにノズル４２の上方に配設されたガード部材
である。 In addition, in FIG. 3, reference numeral 50 is a guard member disposed above the nozzle 42 in order to prevent the scattering of cutting particles generated when the pile A is cut.
次に、本考案に係るパイル頭部切断装置の使用
につき説明する。 Next, the use of the pile head cutting device according to the present invention will be explained.
まず、地盤中に打ち込んだパイルＡの切断位置
ａの若干上方に連結部材１８，１８で連結したＬ
形湾曲レール部材１６，１６を装着してガイドレ
ール２０を形成した後、取付けジヤツキ１０を介
して略水平に保持し、さらにこのガイドレール２
０にガイドチエーン２２を巻装する。 First, connect L with connecting members 18, 18 slightly above cutting position a of pile A driven into the ground.
After the guide rail 20 is formed by attaching the shaped curved rail members 16, 16, the guide rail 20 is held substantially horizontally via the mounting jacks 10, and then the guide rail 20 is
The guide chain 22 is wound around the 0.
次いで、切断機構１４の機構本体２４を上下の
ローラ２６，２６および左右のローラ２８，２８
を介してガイドレール２０に懸吊保持するととも
に可逆駆動モータ３０のピニオン歯車３６を前記
ガイドチエーン２２に噛合する。 Next, the mechanism body 24 of the cutting mechanism 14 is moved between the upper and lower rollers 26, 26 and the left and right rollers 28, 28.
The pinion gear 36 of the reversible drive motor 30 is meshed with the guide chain 22.
そして、スライド装置３８を操作してウオータ
ージエツト切断装置４０のアブレツシツブルウオ
ータージエツトノズル４２の噴射口をパイルＡの
切断位置ａに近接させて臨ませる。 Then, the slide device 38 is operated to bring the injection port of the abrasive water jet nozzle 42 of the water jet cutting device 40 close to and facing the cutting position a of the pile A.
このようにして切断準備が完了したら、超高圧
水供給機構４８を駆動して、例えば、700Kg／cm2
〜1300Kg／cm2程度に昇圧した高圧水により研磨材
供給機構４６から加圧供給（2.5Kg／cm2程度）さ
れた研磨材を加速し、切断位置ａに噴射すること
により切削しながら図示しない制御盤で駆動モー
タ３０を駆動し、切断機構１４を、例えば、毎分
５cm〜20cm程度の速度でガイドレール２０に沿つ
て自走させパイルの切断を行う。なお、このパイ
ル内に存在する鉄筋などは切断機構１４の往復動
操作によつて切断してもよいが、適宜の装置を使
用して切断ないしは溶断すれば作業の迅速化を達
成することできる。 When the preparation for cutting is completed in this way, the ultra-high pressure water supply mechanism 48 is driven to produce, for example, 700 kg/cm 2
The abrasive material supplied under pressure (approximately 2.5 Kg/cm 2 ) from the abrasive material supply mechanism 46 is accelerated by high-pressure water pressurized to approximately 1300 Kg/cm 2 , and is injected to the cutting position a, thereby cutting (not shown). The drive motor 30 is driven by a control panel, and the cutting mechanism 14 is made to run on its own along the guide rail 20 at a speed of, for example, about 5 cm to 20 cm per minute to cut the pile. Note that the reinforcing bars and the like existing in this pile may be cut by reciprocating operation of the cutting mechanism 14, but the work can be speeded up by cutting or fusing them using an appropriate device.
また、パイル頭部の切断作業が終了したら、こ
のパイルからガイド機構１２を取り外し、次のパ
イルに装着して同様の操作で切断作業を行えば良
い。 Moreover, when the cutting operation of the pile head is completed, the guide mechanism 12 can be removed from this pile, attached to the next pile, and the cutting operation can be performed in the same manner.
なお、本実施例においては円形断面のパイルを
切断する装置につき説明したが、ガイド機構１２
のレール部材の組み合わせにより変形パイルの切
断装置としても使用できることは言うまでもな
い。 In this embodiment, the device for cutting piles having a circular cross section has been described, but the guide mechanism 12
It goes without saying that it can also be used as a deformed pile cutting device by combining these rail members.
先に述べたように、本考案に係る柱状体切断装
置によれば、研磨材を混入した超高圧水を使用す
るのでコンクリートパイルなどの切断を容易にか
つ迅速に行うことができるだけでなく、パイルに
クラツクや損傷が生じるなどの不都合もなく、さ
らには取り扱い操作も簡単なので切断作業の効率
化とコストの低減を図ることができる等種々の利
点を有し、その実用的効果は極めて大きい。
As mentioned above, the columnar body cutting device of the present invention uses ultra-high pressure water mixed with abrasives, which not only makes it easy and quick to cut concrete piles and the like, but also prevents the piles from cracking or being damaged. Furthermore, it is easy to handle, which makes it possible to improve the efficiency of the cutting work and reduce costs, and has many other advantages, making it extremely effective in practical use.
以上、本考案に係る柱状体切断装置の好適な実
施例としてパイル頭部切断装置を例示して説明し
たが、本考案はこの実施例に限定されるものでは
なく、例えば、交通事故などにより湾曲したり損
傷したコンクリート製電柱などの切断装置として
使用する等本考案の精神を逸脱しない範囲内にお
いて種々の改変をなし得ることは勿論である。 Although the pile head cutting device has been described above as a preferred embodiment of the columnar body cutting device according to the present invention, the present invention is not limited to this embodiment. Of course, various modifications can be made without departing from the spirit of the present invention, such as using it as a cutting device for concrete utility poles that have been damaged or damaged.
第１図は本考案に係る柱状体切断装置の好適な
実施例としてのパイル頭部切断装置を被切断パイ
ルに装着した状態の平面説明図、第２図は第１図
の縦断面説明図、第３図第１図に示すパイル頭部
切断装置の一部断面説明図である。
１０……取付けジヤツキ、１２……ガイド機
構、１４……切断機構、１６……Ｌ形湾曲レール
部材、１８……連結部材、２０……ガイドレー
ル、２２……ガイドチエーン、２４……機構本
体、２６，２８……ローラ、３０……可逆駆動モ
ータ、３２……出力軸、３４……減速構、３６…
…ピニオン歯車、３８……スライド装置、４０…
…ウオータージエツト切断装置、４２……アブレ
ツシツブルウオータージエツトノズル、４４……
超高圧水発生ユニツト車、４６……研磨材供給機
構、４８……超高圧水供給機構、５０……ガード
部材。
FIG. 1 is an explanatory plan view of a pile head cutting device as a preferred embodiment of the columnar body cutting device according to the present invention attached to a pile to be cut; FIG. 2 is an explanatory longitudinal cross-sectional view of FIG. 1; FIG. 3 is a partially sectional explanatory view of the pile head cutting device shown in FIG. 1. DESCRIPTION OF SYMBOLS 10... Mounting jack, 12... Guide mechanism, 14... Cutting mechanism, 16... L-shaped curved rail member, 18... Connection member, 20... Guide rail, 22... Guide chain, 24... Mechanism main body , 26, 28...roller, 30...reversible drive motor, 32...output shaft, 34...reduction mechanism, 36...
...Pinion gear, 38...Slide device, 40...
... Water jet cutting device, 42 ... Absolute water jet nozzle, 44 ...
Ultra-high pressure water generation unit vehicle, 46... Abrasive material supply mechanism, 48... Ultra-high pressure water supply mechanism, 50... Guard member.
Claims (1)
在の装着されるガイド機構とこのガイド機構に
沿つて柱状体を切削する切断機構とからなり、
前記切断機構は機構本体に付設される駆動モー
タの出力軸に取着したピニオン歯車をガイド機
構に配設した鎖状部に噛合させ、一方前記機構
本体下部に高圧水により研磨材を加速して柱状
体を切削するアブレツシツブルウオータージエ
ツトノズル装置を配設することを特徴とする柱
状体切断装置。 (2) ノズル装置を柱状体の半径方向に対して進退
自在に構成することを特徴とする実用新案登録
請求の範囲第１項記載の柱状体切断装置。[Claims for Utility Model Registration] (1) Consisting of a guide mechanism that is removably attached to the outer periphery of a columnar body via an attachment device, and a cutting mechanism that cuts the columnar body along this guide mechanism,
In the cutting mechanism, a pinion gear attached to the output shaft of a drive motor attached to the mechanism body is engaged with a chain portion disposed in the guide mechanism, and an abrasive material is accelerated by high-pressure water at the bottom of the mechanism body. A columnar body cutting device characterized by being provided with an abrasive water jet nozzle device for cutting a columnar body. (2) The columnar body cutting device according to claim 1, wherein the nozzle device is configured to move forward and backward in the radial direction of the columnar body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2754788U JPH0518051Y2 (en) | 1988-03-03 | 1988-03-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2754788U JPH0518051Y2 (en) | 1988-03-03 | 1988-03-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01132400U JPH01132400U (en) | 1989-09-08 |
| JPH0518051Y2 true JPH0518051Y2 (en) | 1993-05-13 |
Family
ID=31250128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2754788U Expired - Lifetime JPH0518051Y2 (en) | 1988-03-03 | 1988-03-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0518051Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2603705Y2 (en) * | 1992-12-09 | 2000-03-21 | 川鉄物流株式会社 | Large diameter pipe cutting equipment |
| JP4656601B2 (en) * | 2005-08-17 | 2011-03-23 | 株式会社日立プラントテクノロジー | Pipe outer surface blasting equipment |
-
1988
- 1988-03-03 JP JP2754788U patent/JPH0518051Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01132400U (en) | 1989-09-08 |
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