JP4121916B2 - 回転圧入装置 - Google Patents
回転圧入装置 Download PDFInfo
- Publication number
- JP4121916B2 JP4121916B2 JP2003295446A JP2003295446A JP4121916B2 JP 4121916 B2 JP4121916 B2 JP 4121916B2 JP 2003295446 A JP2003295446 A JP 2003295446A JP 2003295446 A JP2003295446 A JP 2003295446A JP 4121916 B2 JP4121916 B2 JP 4121916B2
- Authority
- JP
- Japan
- Prior art keywords
- pile
- rotation
- casing
- peripheral surface
- convex
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 230000008602 contraction Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 238000007373 indentation Methods 0.000 claims 2
- 238000009412 basement excavation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Earth Drilling (AREA)
Description
4 遊星歯車機構
5 杭回転用ケーシング
6 中堀りロッド
8 支持基体
7 油圧シリンダ
9 杭(中空杭)
10 杭支持部
14 繋合手段
15 杭回転ケーシング側の凸部
16 杭支持部側の凸部
18 繋合手段作動用油圧シリンダ
19 シュー
19a 傾斜カム溝
22 ワイヤ掛止部
23 レバー
24 シュー
25 ケーシング
Claims (4)
- リーダマストにそって昇降自在に吊持される駆動部に中掘りロッドおよび杭回転用ケーシングをモータによりそれぞれ回転駆動自在に支持し、この中掘りロッドに外嵌される杭回転用ケーシングの支持基体を前記駆動部に昇降手段により所定範囲にわたって上下動可能に支持するとともに該支持基体に下端に杭を支持する杭支持部を回転自在に支持し、前記杭の上下動範囲において前記杭支持部の回転と非回転とを切り替え可能に前記杭回転用ケーシングと杭支持部とを繋脱する前記杭支持部に結合した回転自在な繋合手段を設け、シリンダの伸縮作動により前記繋合手段を繋脱可能に構成してなり、前記繋合手段の繋合時に前記杭回転用ケーシングの回転を杭支持部に伝達して杭を回転させ、非繋合時に回転が断たれるようにしたことを特徴とする回転圧入装置。
- 前記繋合手段は、前記杭回転用ケーシングの外周面軸方向に延びかつ外周面周方向に断続して設けられる複数の断面凸円弧状凸部と、前記杭支持部の内周面周方向に断続して設けられる複数の断面凹円弧状凸部とで構成され、回転非伝達時には前記杭支持部側の凸部内周面による仮想円の内径を拡径させて該凸部を杭回転用ケーシングの凸部外周面に対し非接触とし、低トルク伝達時には杭支持部側の凸部内周面による仮想円の内径を縮径させ該凸部と杭回転用ケーシングの凸部とを面接触させてその摩擦力により回転を伝達させ、高トルク伝達時には杭支持部側の凸部内周面による仮想円の内径をさらに縮径させ該凸部を杭回転用ケーシングの凸部間に嵌合させて噛み合い状態とすることにより高トルクによる回転伝達をなさしめるようにされている請求項1記載の回転圧入装置。
- 前記支持基体の昇降手段が油圧シリンダである請求項1または2記載の回転圧入装置。
- 前記支持基体の昇降手段がワイヤおよびその巻上げ機である請求項1または2記載の回転圧入装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003295446A JP4121916B2 (ja) | 2003-08-19 | 2003-08-19 | 回転圧入装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003295446A JP4121916B2 (ja) | 2003-08-19 | 2003-08-19 | 回転圧入装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005061149A JP2005061149A (ja) | 2005-03-10 |
JP4121916B2 true JP4121916B2 (ja) | 2008-07-23 |
Family
ID=34371695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003295446A Expired - Fee Related JP4121916B2 (ja) | 2003-08-19 | 2003-08-19 | 回転圧入装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4121916B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4993166B2 (ja) * | 2005-10-14 | 2012-08-08 | 三和機材株式会社 | 1モータ二重出力式掘削機の制御方法及び装置 |
-
2003
- 2003-08-19 JP JP2003295446A patent/JP4121916B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005061149A (ja) | 2005-03-10 |
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